Postgresql socket.io工作

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    2,000 postgresql socket.io 找到工作

    ...的IP,预防渗透入侵,攻击者无从下手。 通过自研的快速调度算法,用户会被智能的分配到不同的节点,单点故障后会立刻被切换到其他可用节点。 通过攻击蜜罐的方式吸引发起攻击的黑客,多次命中蜜罐会被系统标记为黑名单,不再发放新的IP地址。(用户可自行解除) 盾采用安全网关的方式进行流量鉴权,内网过滤、外网检测,首次建立连接额外增加鉴权机制,通过双向认证正式建立连接, 彻底阻断各种烦人的SYN/CC攻击。支持国际主流的TLS加密,所有TCP连接双向加密隧道通讯,有效防范各种数据包分析和修改。 握手后不过滤任何数据,真正做到0误杀、0漏包、丝般顺滑,免疫SYN和CC攻击。私有化协议二次封装,非链接限速、报文检测机制,0误杀、0漏过。 EXE封装、无源码接入,支持Windows、iOS、Android系统,分钟级集成。 智能多线节点分布,配合独家研发的隧道填补技术,保证每条线路都是优质网络 研发新SocKet协议,弥补WinSock链接失败会断开问题,链接失败自动无缝切换 显示用户IP 采用TOA或Proxy Protocol等开源模式显示用户真实IP。 做个授权 前端填写端口和ip和卡密或账号密码就能封装 要防破解,还有http https协议可以转tcp udp协议接入,授权服务器套cdn用域名通信 可以根据在线人数限制 分配不同套餐 按月 年付费 主要作用是 无视cc ddos攻击 隐藏ip 全网加速 显示用户IP

    $450 Average bid
    $450 平均报价
    8 个竞标

    项目名称:AI智慧园区管理平台 项目概述: 我们正在寻找一支富有创新精神、技术实力雄厚的开发团队,共同打造一款集AI技术与大数据分析于一体的智慧园区管理平台。该平台旨在通过智能化、数字化的手段,全面升级园区管理效率,提升用户体验,促进园区内商业、生活、安全、税务等多方面的智能化融合。本项目将以Java为开发基础,采用分布式与微服务架构,确保系统的高可用性、可扩展性和灵活性。 项目技术要求: 1. 技术栈: 主要编程语言:Java(包括但不限于Spring Boot、Spring Cloud等框架) 分布式架构:基于Kubernetes或Docker容器化部署,实现服务间的松耦合与高效调度。 微服务架构:将系统拆分为多个独立的服务,如用户服务、支付服务、数据分析服务等,通过API Gateway进行服务间的通信与管理。 数据库:采用MySQL/PostgreSQL等关系型数据库存储结构化数据,结合Redis、MongoDB等NoSQL数据库处理高并发访问与缓存。 消息队列:Kafka/RabbitMQ等,用于解耦系统组件间的依赖,提高系统响应速度和容错性。 大数据处理:Hadoop/Spark等用于海量数据的存储与处理,结合Elasticsearch等实现快速检索与分析。 AI与机器学习:集成TensorFlow/PyTorch等深度学习框架,实现图像识别、自然语言处理等AI功能。 2. 功能需求: AI数字名片:通过人脸识别与AI分析技术,为园区内人员生成个性化的数字名片,支持快速识别与社交互动。 智慧园区:集成物联网(IoT)技术,实时监控园区内环境(如温湿度、空气质量)、能源使用情况及设备状态,实现智能化管理。 智慧商城+跨境电商:搭建在线商城平台,支持商品展示、在线...

    $50000 Average bid
    $50000 平均报价
    1 个竞标
    build me a heroku website
    已经结束 left

    ,build a flask online clinic。  albumy,set up a online second opinion clinic 。 on heroku server with flask and postgresql。 with Python flask,REACT and Ajax experience ,if with HIS experience, execllent。 to integrate with Google Maps API。 time:2019/07/30。

    $541 Average bid
    $541 平均报价
    13 个竞标
    socket 负载均衡
    已经结束 left

    socket开发负载均衡功能,增加心跳服务端等功能。 1 客户端读取socket列表 2 选择可用socket server 进行连接 3 heartbeat server 负责收包抛包并且心跳监视 4 socket Clinet 需要指定目标IP及端口

    $250 - $750
    $250 - $750
    0 个竞标

    需求: 描述跟附件有点多只是为了更详细的说明问题,减少沟通成本 有目标站点可参考,主要就几个页面,仿前后台前后端, 需要添加几个滑出页面(押注类游戏的玩法),说明图片见附件 实现后端功能有类似站点的部分源码可供参考(后端采用PHP+MySQL), 后端涉及到即时通讯,需要有socket编程经验 用户登陆需对接微信登陆接口 要求: 1、交付代码要求框架清晰,需要将css、js等资源分类各个文件夹; 2、html中每个大的div实现的功能需要明确注释,代码必须标准工整; 3、PHP文件需要注释明确,代码必须标准工整; 4、需保证多用户情况下,程序运行流畅,用户体验流畅 如果我不在线请留言,最晚12小时内我会回复

    $1447 Average bid
    $1447 平均报价
    5 个竞标
    Web penetration
    已经结束 left

    1、掌握MySQL、MSSQL、Oracle、PostgreSQL等一种或多种主流数据库结构以及特殊性。2、熟悉渗透测试的步骤、方法、流程、熟练掌握各种渗透测试工具。3、有主机、网络或Web安全渗透测试相关项目实施经验 。4、掌握安全漏洞发现和利用方法,具备一定的实战经验 ,有丰富渗透测试实战经验者优先。具体联系方式 [Removed for encouraging offsite communication which is against our Terms and Conditions -Section 13:Communication With Other Users]

    min $56180
    min $56180
    0 个竞标

    Development Web application based java and Postgresql, we need Chinese employee.

    $20 / hr Average bid
    $20 / hr 平均报价
    8 个竞标

    Windows Socket开发,C/S程序,多线程,界面开发(GPSTracker,IPcamera,USB电话机)。MySQL,SQLSever,多年工作经验,积累大量源代码,可以复用到其他的新的项目中!!希望合作愉快!!

    $1500 - $3000
    $1500 - $3000
    0 个竞标

    ...multiplayer environments. Experience in managing high traffic and server load. Blockchain and Meme Coin Development: Experience in token development on Ethereum, Binance Smart Chain, and smart contract development using Solidity. Understanding and experience with ERC-20 and ERC-721 token standards. Database Design and Management: Experience in database design and efficient data management using MySQL, PostgreSQL, MongoDB, etc. Cloud and Server Infrastructure: Experience in deploying and managing servers on cloud platforms like AWS, Google Cloud, Azure. Game Economy and Reward System Design: Experience designing in-game economies, reward systems, and strategies to incentivize user participation. UI/UX Design and Optimization: Experience in responsive design, user experience (UX) o...

    $382 Average bid
    $382 平均报价
    13 个竞标

    ...multiplayer environments. Experience in managing high traffic and server load. Blockchain and Meme Coin Development: Experience in token development on Ethereum, Binance Smart Chain, and smart contract development using Solidity. Understanding and experience with ERC-20 and ERC-721 token standards. Database Design and Management: Experience in database design and efficient data management using MySQL, PostgreSQL, MongoDB, etc. Cloud and Server Infrastructure: Experience in deploying and managing servers on cloud platforms like AWS, Google Cloud, Azure. Game Economy and Reward System Design: Experience designing in-game economies, reward systems, and strategies to incentivize user participation. UI/UX Design and Optimization: Experience in responsive design, user experience (UX) o...

    $223 Average bid
    $223 平均报价
    14 个竞标

    ...BE ACCEPTED. - Proposals that DO NOT ADDRESS THE TIMELINE, BUDGET, AND REQUIREMENTS or fail to provide relevant details about your qualifications and experience WILL NOT BE REVIEWED. Responsibilities - Backend QA Testing: Identify bugs, inefficiencies, and vulnerabilities in backend code written in NodeJS and PostgreSQL. - API Testing: Validate and test APIs for functionality, performance, reliability, and adherence to project requirements. - Database Review: Evaluate the PostgreSQL database for optimization opportunities, ensuring efficient queries and data integrity. - Server-Side Performance Testing:Test server performance and scalability, focusing on AWS infrastructure. - Mobile Platform QA: Ensure backend functionality works seamlessly with iOS and Android ap...

    $379 Average bid
    $379 平均报价
    37 个竞标

    I want a web based financial accounting application but low budget. Friends who do not know ERP or CRM should not bid. Budget is fixed On githup project or ready coding. I had problems with payment and project before. First the work, then the payment. 1. Node js and react software. Mongodb or postgresql 2. Superadmin, admin, personnel roles and permissions. 3. PDF modules. 4. If rewritten, I will give the design ready. () 5. - There will be 2 panels, Superadmin, admin 6. Is it possible to have a separate database for each member admin? 7. All work to be done will be discussed mutually.

    $473 Average bid
    $473 平均报价
    30 个竞标

    ...management. The platform will include features such as: - User registration and profiling - Meeting scheduling and management - Freight forwarding marketplace - Matching algorithm - Payment gateway integration - Rating and review system Requirements: - Front-end development: HTML, CSS, JavaScript, React/Angular - Back-end development: Java/Python/Ruby, Spring/Django - Database management: MySQL/PostgreSQL - API integration: Payment gateways, mapping services - Security and authentication: Encryption, secure authentication, authorization Proposal Request: We would like to request a detailed proposal from your company, including: - Project timeline with milestones and deadlines - Pricing breakdown, including any additional fees - Team composition, including roles and expertis...

    $637 Average bid
    $637 平均报价
    13 个竞标

    I want a web based financial accounting application but low budget. Friends who do not know ERP or CRM should not bid. Budget is fixed On githup project or ready coding. I had problems with payment and project before. First the work, then the payment. 1. Node js and react software. Mongodb or postgresql 2. Superadmin, admin, personnel roles and permissions. 3. PDF modules. 4. If rewritten, I will give the design ready. () 5. - There will be 2 panels, Superadmin, admin 6. Is it possible to have a separate database for each member admin? 7. All work to be done will be discussed mutually.

    $464 Average bid
    $464 平均报价
    53 个竞标

    I'm looking for a seasoned frontend developer who can create a responsive Angular application. The project includes integrating Google Maps with specific features such as geolocation and custom markers. Backend: Use Supabase for authentication, real-time database, and file storage. Build APIs and manage SQL data. Real-T...manage SQL data. Real-Time: Implement real-time features with Supabase Realtime. Maps: Integrate location-based features (geolocation, markers, routes). Testing & Debugging: Write unit tests, troubleshoot issues, and optimize code. Required Skills: Angular (components, services, routing). Supabase (authentication, real-time database). Experience with Google Maps, Mapbox, or OpenStreetMap. SQL/PostgreSQL knowledge. HTML, CSS, JavaScript/TypeScript. Versio...

    $685 Average bid
    $685 平均报价
    23 个竞标

    ...managers, and staff streamline every aspect of property oversight. This project extends beyond basic property/tenant management, incorporating advanced financial accounting, invoicing, document management, automated notifications, staff/vendor management, analytics, data import/export, and robust security measures. Initially, we’ll focus on a web-based solution using React (front-end) and Node.js + PostgreSQL (back-end). We also plan to future-proof the system for possible expansions to desktop and mobile platforms. If you have experience building complex, secure, and scalable SaaS/web apps, we’d love to see your proposal! Key Features & Modules 1. Property & Unit Management • Track properties, define units (rent amount, occupancy status). • Lin...

    $562 Average bid
    $562 平均报价
    88 个竞标

    ...TypeScript for scalable and efficient backend services. Database: PostgreSQL for robust and reliable data storage. Deployment: Linux-based on-premise environment with enterprise-grade security. Deliverables Fully functional on-premise alerting system, including dashboard and mobile app. Complete source code with detailed documentation. User and admin guides for system operation. Ongoing support and maintenance for a specified period. Project Milestones Requirements gathering and system design. Development and unit testing. System integration and testing. Deployment and user acceptance testing. Final delivery and support handover. Skills Required Expertise in TypeScript, React, and React Native. Strong experience with Node.js and PostgreSQL. Familiarity with Linux-based dep...

    $7935 Average bid
    $7935 平均报价
    43 个竞标

    ...sections: Vehicle Details. Comparable vehicle insights. Final value delivered in a seamless professional way. Customization: Use Tyler’s branding for business-facing views and client reports. --- 6. Technology Stack Frontend: Framework: React Native (for cross-platform development). UI Library: Material UI or Tailwind CSS. Backend: Framework: Node.js or Python (Django/Flask). Database: PostgreSQL for user and appraisal data storage. APIs and Integrations: NHTSA API: VIN decoding. KBB/NADA API: Market value retrieval. SMTP/Gmail API: Email delivery. Hosting: Cloud Service: AWS or Google Cloud for scalability and reliability. 7. Monetization Strategy 1. Freemium Model: Offer basic appraisals for free, utilizing only the NADA and KBB API; this is for the ...

    $739 Average bid
    加急
    $739 平均报价
    12 个竞标
    HealthCare App
    5 天 left
    已验证

    ...Models: Use machine learning to predict long-term health risks, such as hypertension or diabetes. Development Tools and Frameworks Frontend (Web and Mobile): Web: React.js/Angular. Mobile: Flutter for cross-platform development or native solutions (Swift for iOS, Kotlin for Android). Backend: Python (Django/Flask) or Node.js for scalable APIs. AI models using TensorFlow or PyTorch. Database: PostgreSQL for structured medical records. MongoDB for wearable data streams. Wearable Integration: HealthKit (Apple), Google Fit API, and Fitbit Web API for data ingestion and management....

    $3368 Average bid
    $3368 平均报价
    33 个竞标

    ...d’Administration (Web) : Gestion des utilisateurs, des chauffeurs et des commandes. Suivi des transactions et des paiements. Gestion des commissions, des tarifs dynamiques et des promotions. Visualisation des statistiques de performance de l'application. Technologies souhaitées : Frontend mobile : Flutter / React Native (compatible Android et iOS) Backend : Node.js / Laravel / Django Base de données : PostgreSQL / MongoDB API de géolocalisation : Google Maps API / Mapbox Passerelle de paiement : Stripe / PayPal / Intégration de paiement mobile local Livrables attendus : Application mobile complète (Android et iOS) Panneau d’administration Web Documentation technique Assistance au déploiement sur Google Play Store et Ap...

    $750 - $1500
    加封
    $750 - $1500
    27 个竞标

    ...Free Plan). 5. Additional Features: - Mobile-responsive design. - Secure data management. - Multi-language support with a focus on Arabic and English. Technology Stack: I am open to suggestions, but the platform should be built with modern, scalable technologies. Suggested options include: - Backend: Node.js, Laravel, Django, or similar. - Frontend: React, Vue.js, or Angular. - Database: MySQL, PostgreSQL, or MongoDB. - Hosting: Libya Spider. Expectations: - The developer will leverage a well-known open-source e-commerce platform to minimize costs and development time. - Clean, high-quality code for customizations and extensions. - Scalable and secure architecture. - Clear documentation and training for the final handover. - Exclusive use of the Libyan Dinar (LYD) as the currency...

    $493 Average bid
    $493 平均报价
    60 个竞标

    I'm seeking a skilled 3D designer who can create a realistic rendering of an industrial plug and socket for marketing purposes. The final product should be a 3D image that incorporates appropriate lighting to enhance its visual appeal. Ideal Skills and Experience: - Proficiency in 3D modeling software (e.g. Blender, 3DS Max, AutoCAD) - Experience in creating marketing-focused 3D visuals - Strong understanding of lighting techniques for 3D rendering - Portfolio demonstrating previous work with consumer electronics or industrial equipment - Ability to meet deadlines and incorporate feedback

    $82 Average bid
    $82 平均报价
    6 个竞标

    ...security, performance, and integration with manufacturing workflows. - Collaborate with UI/UX developer to implement design. - Automate design tasks and extend software functionality. Technical requirements - 3+ years of web application development experience. - Proficient in Python, Django or Flask, and C# with .NET SDK. - Experience with Azure cloud services and relational databases (PostgreSQL, MySQL). - Knowledge in RESTful API, version control (Git), frontend technologies, and Docker. - Familiarity with Autodesk Inventor API or equivalent and COM API integration. Please provide examples of your previous work, particularly projects involving CAD/CAM software integration, Autodesk Inventor API usage, or cloud-based web applications. Experience with .NET SDK for CAD...

    $182 Average bid
    保密协议
    $182 平均报价
    4 个竞标

    I'm seeking a web developer to create a tutor website using Node.js, TypeScript, React, and PostgreSQL. The primary functionality required is a robust student-tutor matching system. This system should efficiently connect students with suitable tutors based on their learning needs. Key Features: - A dynamic and efficient student-tutor matching system. - A user-friendly interface built with React. - A robust back-end powered by Node.js and TypeScript. Ideal Skills: - Proficiency in Node.js, TypeScript, React, and PostgreSQL. - Experience in developing web applications with student-tutor matching systems. - Strong understanding of user interface design principles.

    $139 Average bid
    $139 平均报价
    22 个竞标

    ...ensure optimized performance, security, and scalability. Key Responsibilities: Server Setup: Configure and secure the dedicated server environment (firewalls, SSL certificates, SSH access). Optimize the server for performance and reliability. Backend Development: Build RESTful APIs for integration with third-party services (e.g., Interactive Brokers, Alpaca). Set up and optimize a database (e.g., PostgreSQL, MySQL) for high efficiency. CI/CD Implementation: Configure CI/CD pipelines to streamline deployment. Documentation: Provide clear instructions for server maintenance and backend management. Requirements: Proven experience in backend development and server setup. Strong knowledge of Linux server environments and best security practices. Expertise in Python (Django/Flask/Fast...

    $489 Average bid
    $489 平均报价
    60 个竞标

    ...public GitHub smart contracts for token minting, bonding curve logic, and liquidity migration. Integrate referral tracking, fee-sharing mechanisms, and token distribution automation. Implement Solana wallet authentication (Phantom, Solflare, WalletConnect) for seamless user interaction. Perform security audits, gas optimizations, and scalability testing. Backend Development (, PostgreSQL, Prisma) Develop a secure API layer for smart contract interactions, user profiles, and transaction tracking. Optimize and merge functionalities from multiple GitHub repositories into a clean, maintainable codebase. Implement real-time analytics, buy/sell tracking, and decentralized governance logic. Ensure SEO-friendly and scalable backend infrastructure. Frontend ...

    $4709 Average bid
    保密协议
    $4709 平均报价
    25 个竞标

    Busco un profesional que me ayude a vender mis seminarios web en directo en la plataforma Systeme IO. Esto incluye la creación de una plataforma de cursos en línea diseñada a medida y la incorporación de funciones específicas como foros de debate. Responsabilidades clave: - Diseñar una plataforma de cursos online personalizada y a medida. - Integrar foros de discusión en la plataforma. Aptitudes ideales: - Experiencia con Systeme IO. - Competencia en el diseño de plataformas de cursos en línea personalizados. - Capacidad para integrar funciones interactivas en plataformas en línea. - Experiencia en e-learning y venta de cursos en línea.

    $5 / hr Average bid
    $5 / hr 平均报价
    19 个竞标

    I'm looking for a skilled 3D designer who can create a high-quality 3D image of my Industrial Plug and Socket for use in an online store listing. The 3D image needs to include: - Front View - Side View - Top View - Contact View The ideal candidate for this project should have prior experience in designing 3D images for consumer electronics, specifically for online retail. Quality and attention to detail are paramount, as the image needs to effectively showcase the product to potential customers. Please provide examples of previous work in your proposal.

    $15 Average bid
    $15 平均报价
    8 个竞标

    I'm seeking a professional with experience in deploying custom web applications to set up my web and mobile app on a new on-premises server. The app is curre...applications to set up my web and mobile app on a new on-premises server. The app is currently hosted on an Azure cloud server. Key Requirements: - **Deployment Experience**: Proven track record of re-deploying web applications from cloud servers to on-premises servers. - **Custom Web Applications**: Familiarity with custom web applications is a must. - **Database Handling**: The application uses PostgreSQL, so experience with this database system is essential. The ideal freelancer for this project should have a strong background in server management and web application deployment. Please share your relevant experience...

    $255 Average bid
    $255 平均报价
    16 个竞标

    I'm in need of a seasoned full stack developer with a strong focus on for the frontend and both Node.js and Go for the backend. This project involves working with both relational and NoSQL databases, so substantial experience with PostgreSQL, MySQL, and MongoDB is crucial. Key Responsibilities: - Develop user-facing features using , React, HTML5, CSS3, and JavaScript/TypeScript. - Create and maintain server-side applications and microservices using Node.js and Go. - Design and implement database solutions with both relational and NoSQL databases. Ideal Skills: - Proficient in building RESTful APIs and WebSockets, with familiarity in GraphQL. - Hands-on experience with CI/CD pipelines, Docker, and containerization. - Cloud experience (AWS, GCP, Azure) is a plus. - Proficient

    $8 / hr Average bid
    $8 / hr 平均报价
    43 个竞标
    Social Platform
    4 天 left
    已验证

    ...Italian and English as primary languages, with the potential for additional languages in the future. Required Technologies - Front-End: Framework: React, Angular, or Vue.js Mobile: Flutter or React Native (for Android and iOS applications). Languages: HTML5, CSS3, JavaScript (ES6+). - Back-End: Framework: Node.js, Django (Python), or Ruby on Rails. Languages: Python, JavaScript, Ruby. Database: PostgreSQL, MongoDB, or MySQL. - Cloud and Hosting: AWS, Google Cloud Platform, or Microsoft Azure for scalability and reliability. - Integrations: Payment Systems: Integration with PayPal, Stripe, and seller-specific payment options. Content Delivery Network (CDN): For fast delivery of multimedia content (e.g., Cloudflare). - Security: SSL/TLS certification. Two-Factor Authentication...

    $1560 Average bid
    $1560 平均报价
    188 个竞标

    ...each layer of your solution: ### A. Backend / Cloud Server - **API & Database** - A REST or GraphQL API to handle: - Authentication (for restaurants / your internal users). - CRUD operations for content (upload, edit, delete). - Assigning content to screens or groups. - Scheduling rules. - Gathering status reports from each screen. - A database (PostgreSQL, MySQL, MongoDB, etc.) to store user info, content metadata, screen IDs, scheduling data. - **File Storage** - Store media files (images/videos) on a service like Amazon S3 or a self-hosted storage solution. - Provide secure URLs for the player apps to download the content. - **Real-Time Updates** - Use WebSockets, MQTT, or server-sent events to push immedi...

    $2547 Average bid
    $2547 平均报价
    76 个竞标

    ...customer feedback to improve service. Set up promotions and manage special deals. Technical Requirements: Platform Compatibility: Mobile app (iOS and Android). Web app version (for users and restaurants). Tech Stack (suggestions): Frontend: React Native for mobile apps (cross-platform development). React.js for web platform. Backend: Node.js with Express or Django for RESTful APIs. MongoDB or PostgreSQL for database management. Payment Integration: Razorpay for secure payment processing. Map & Location Integration: Google Maps API for restaurant locations and user geolocation. Hosting & Deployment: AWS or DigitalOcean for cloud hosting and storage. Docker for containerization. Security: SSL encryption for secure communication. OAuth 2.0 for social logins. Two-fac...

    $475 Average bid
    $475 平均报价
    33 个竞标

    ...alternative for live data sharing) • Database: PostgreSQL Development Scope: • The module must be developed as a standalone component to ensure it can be integrated with our existing Spring Boot application by our in-house team. • Access to our application’s source code will not be provided. The developer is expected to deliver a modular implementation that meets the specified requirements. Deliverables: • Fully functional standalone module for live location sharing and chat. • Comprehensive documentation to facilitate seamless integration by our team. • Any required configuration or dependency details. Additional Information: We are looking for a developer with strong expertise in Spring Boot, real-time communication tools, and Pos...

    $1390 Average bid
    $1390 平均报价
    34 个竞标

    ...such as clearing caches, resetting configurations, or restarting services. Automate error reporting with detailed logs and notifications. System Monitoring and Alerts: Implement continuous monitoring systems to detect potential issues early. Send real-time alerts through email or messaging platforms using Python libraries like smtplib or Twilio. Network and Connectivity Debugging: Use Python's socket library to test network connections, ping servers, and trace routes. Diagnose and resolve latency or connectivity issues with I Offer: Automated Diagnostics: Build Python scripts to analyze system logs, monitor performance metrics, and detect anomalies. Identify root causes of errors or crashes using data parsing and analysis tools like Pandas. Custom Troubleshooting Tools: ...

    $445 Average bid
    $445 平均报价
    64 个竞标

    ...a complete system that manages the data in a relational database and provides an interactive web interface for managing and viewing this data. Additionally, the system should allow user management with specific functionalities for assigning and managing invoices. Project Requirements 1. Data Migration Modify the current Python script to insert data directly into a relational database (e.g., PostgreSQL or MySQL) instead of exporting it to a CSV file. 2. Database Design a database to store: Invoice Data: Invoice number, date, amount, client, supplier, details, etc. Users: Name, email, password (encrypted), roles (admin/user), and assigned root folder. Metadata: Additional information such as upload date, validation status, etc. 3. Front End (User Interface) Create a web interfa...

    $508 Average bid
    $508 平均报价
    155 个竞标

    I need an experienced developer skilled in MERN stack to implement a backend API that will support my React frontend. The API will be dealing with vari...support my React frontend. The API will be dealing with various types of data, and the primary function of the frontend that needs support includes user interactions, data visualizations and e-commerce functionalities. Ideal Skills: - Extensive experience with MERN stack - Proficiency in building backend API - Strong understanding of React Requirements: - Ability to work with MongoDB, MySQL, and PostgreSQL - Experience in handling user information, product listings and transactional data - Capable of supporting various frontend functionalities with backend solutions. Please provide examples of previous similar projects in your...

    $27 Average bid
    $27 平均报价
    23 个竞标

    ...managers, and staff streamline every aspect of property oversight. This project extends beyond basic property/tenant management, incorporating advanced financial accounting, invoicing, document management, automated notifications, staff/vendor management, analytics, data import/export, and robust security measures. Initially, we’ll focus on a web-based solution using React (front-end) and Node.js + PostgreSQL (back-end). We also plan to future-proof the system for possible expansions to desktop and mobile platforms. If you have experience building complex, secure, and scalable SaaS/web apps, we’d love to see your proposal! Key Features & Modules 1. Property & Unit Management • Track properties, define units (rent amount, occupancy status). • Lin...

    $3041 Average bid
    $3041 平均报价
    193 个竞标

    ...interface for data entry, monitoring, and reporting. GIS Module: Geospatial data visualization. Integration of PostGIS for spatial queries. Mobile App: Offline data collection with synchronization. Support for Android and iOS. Dashboard: Real-time analytics and visualizations using libraries like D3.js or Chart.js. Interoperability Layer: Enable integration with external systems Data Storage: PostgreSQL for structured data. PostGIS extension for spatial data. Hosting: Cloud-based for scalability (AWS, Azure, or GCP). Use Docker containers for easy deployment and environment consistency. 2. Data Flow Design Input Sources: Mobile app: Real-time or batched data uploads. Manual entries via the MIS. Processing: Data validation and cleansing. Real-time GIS data rendering and updates. O...

    $502 Average bid
    $502 平均报价
    47 个竞标

    ...the new requirements. Use our current checkout flow for the Accessories page. Collaboration: Work closely with our team for seamless integration and development. Understand and adhere to project requirements as outlined during onboarding. Tech Stack Requirements: Frontend: HTML5, SCSS, Typescript, Vue 3, Nuxt 3, Pinia Backend: Python 3, Django + DRF, Wagtail, Django-Oscar, Celery + Redis, PostgreSQL, GitLab Skills & Experience Required: Experience in working with GitLab for version control. Proven experience in performance optimization for both APIs and web applications. Expertise in the stated tech stack (Frontend and Backend). Ability to understand and work with existing APIs and modify them based on new requirements. Experience with ecommerce platforms or checkout proc...

    $636 Average bid
    $636 平均报价
    139 个竞标

    Project Title: New Website for IO Company Name: IO Industry: Accounting and HR References: and (for homepage survey) IO offers a wide range of services, including audit and assurance, consulting, financial advisory, legal, outsourcing, tax, and private client services. We are looking to create a modern, professional, and user-friendly website that showcases our expertise, drives lead generation through a targeted survey, and serves as a primary online channel for prospective and current clients. 2. Project Goals & Objectives 2.1 Establish a Professional Online Presence - Reflect IO’s credibility and expertise in accounting, HR, and related services. - Create a user-friendly experience that instils trust and confidence. 2.2 Generate Leads

    $1158 Average bid
    $1158 平均报价
    163 个竞标

    ...features, including automation tools and data generation. Creating an intuitive web and mobile interface. Leveraging APIs to maximize efficiency and streamline development. Required Skills: Technical skills: Front-end development: React.js, Angular, or Vue.js. Back-end development: Node.js, Python (Django/Flask), or PHP (Laravel). Experience with API integrations. Strong knowledge of databases (PostgreSQL, MongoDB, etc.). Soft skills: Clear and structured communication. Ability to work autonomously and remotely. Attention to detail and performance optimization. Mission Details: Duration: 2 to 3 months for the MVP, with potential for further development. Budget: Negotiable depending on experience. Work mode: 100% remote. Why Join This Project? Be part of an innovative project wi...

    $2373 Average bid
    $2373 平均报价
    160 个竞标

    ...multiple languages. - **Accessibility**: Adherence to accessibility standards. --- #### **4. Technical Requirements** ##### **4.1 System Architecture** - **Backend**: Develop a robust backend with a RESTful API. - **Frontend**: Use modern web technologies (e.g., React, Angular) for the browser-based tool and native development for the mobile app. - **Database**: Employ a relational database (e.g., PostgreSQL) for storing user and time tracking data. ##### **4.2 Integration** - **Physical Time Clocks**: Support standard interfaces (e.g., API, RFID) for time clock devices. - **Third-Party Systems**: Allow integration with other enterprise systems (e.g., HR software, payroll systems). - **Payment Gateway**: Integration with payment platforms (e.g., Stripe, PayPal) for subscriptio...

    $2293 Average bid
    $2293 平均报价
    168 个竞标

    ...Figma screens detailing the mobile UI/UX. You’ll receive these upon selection. For the Admin Portal, we’ll provide an outline of functionality needed (e.g., viewing/moderating users, posts, and generating simple usage reports). Tech Requirements • Cross-Platform (React Native or Flutter preferred) or Native (Swift + Kotlin) • Backend: Node.js / Python (Django/Flask/FastAPI) • DB: MongoDB or PostgreSQL • Hosting: AWS, Firebase, or similar • Authentication: JWT-based or OAuth (Google, Microsoft, LinkedIn) • Notifications: Firebase Cloud Messaging or similar • Admin Portal (web-based): React/Vue/Angular or similar (your suggestion is welcome) We’re open to your tech-stack recommendations if you can meet the MVP timeline (roughly...

    $650 Average bid
    $650 平均报价
    137 个竞标

    I'm looking for a seasoned developer with extensive experience in .NET Core and gRPC to help create a remote client-server API. The API will primarily cater to desktop applications. Key Responsibilities: - Develop a gRPC API to facilitate clie...in .NET Core and gRPC to help create a remote client-server API. The API will primarily cater to desktop applications. Key Responsibilities: - Develop a gRPC API to facilitate client-server interactions - Ensure efficient handling of data fetching and updates - Implement robust communication channels for desktop applications Ideal Skills and Experience: - Proficient in .NET Core, gRPC, and PostgreSQL - Strong understanding of Linux environment - Prior experience with client-server API development - Familiarity with desktop applicat...

    $20 / hr Average bid
    $20 / hr 平均报价
    62 个竞标

    ...system with the following key elements: 1. Web Application (React) 2. Desktop Application (Electron for Windows & macOS) 3. Back-End (Node.js/Express or NestJS + PostgreSQL) Overall Project Goals • Create a unified codebase (using JavaScript/TypeScript) for both web and desktop. • Deploy a cloud-hosted back-end (Node.js + PostgreSQL) so no local database installations are needed for end-users. • Ensure a scalable foundation to eventually add mobile apps via React Native in a future phase. Scope & Requirements 1. Back-End • Node.js (TypeScript preferred). • Express or NestJS for building a REST (or GraphQL) API. • PostgreSQL as the primary database. • Database models for property management (e.g., properties, un...

    $1205 Average bid
    $1205 平均报价
    247 个竞标

    I'm in need of a long-term virtual assistant skilled in both and n8n for various automation tasks. Your primary responsibilities will include: - Workflow Automation: Streamlining processes to improve efficiency. - API Integration: Connecting different software and services to work together seamlessly on n8n. - : Focusing on Workflow Automation. Having experience with PostgreSQL is a plus, and voice experience will give you a competitive edge. Your ability to understand and implement complex automation solutions will help us work together effectively. Must have HANDS on experience. To know your a real person. Please tell me an automation you worked on from A-Z.

    $9 / hr Average bid
    $9 / hr 平均报价
    30 个竞标

    ...Caribbean audience). Admin Panel Monitor transactions and user activity. Approve or reject flagged transactions. Manage fees, payout schedules, and system notifications. Technical Requirements Platform: Mobile-first approach (iOS and Android apps). Tech Stack: Frontend: React Native or Flutter for cross-platform compatibility. Backend: Node.js or Python (Django/Flask) with RESTful APIs. Database: PostgreSQL or MongoDB for user and transaction data. Payment Gateway: Integration with Stripe, PayPal, or a local Caribbean payment processor. APIs: CashApp API for account linking and transfers. Google Maps API (optional, for location-based payments). QR code generator API. Link Payment API for generating payment links (via SMS, email, social media). Security: Use OAuth 2.0 for secure...

    $15460 Average bid
    $15460 平均报价
    125 个竞标

    ...design and functional requirements of this, however, it is important to take into consideration that it is a social network for university students, and there are also certain parameters that must be met: • The system architecture is programming and consumption of microservices. • The front-end must be developed in React JS • The backend must be developed in Python • The database engine must be Postgresql • Use libraries so that the visual design of the site has an adequate user experience. • Implement security levels (tokens for consumption of microservice http methods) • The front-end and the microservice must be implemented through multicontainers using Docker compose (dockerizing the database is optional) Deliverables: • Back-end sourc...

    $169 Average bid
    $169 平均报价
    22 个竞标

    ... Additional Features: Geolocation: GPS to find businesses and calculate distances. Multilingual Support: Spanish as the primary language, but adaptable to other languages. Support System: Ticketing or chat system for technical issues. Suggested Technologies: Backend: Node.js, Java (Spring Boot), or Python (Django/Flask). Frontend: Flutter/React Native for mobile, React.js for web. Database: PostgreSQL or MongoDB. Infrastructure: AWS (including Amplify for specific functions) or Google Cloud. Geolocation API: Google Maps or Mapbox. Push Notifications: Firebase Cloud Messaging. Monetization: Commission on each transaction. Subscription plans for businesses with premium features. Paid advertising for businesses on the platform. Timeline and Scope: The initial development should in...

    $639 Average bid
    $639 平均报价
    94 个竞标