Java Jobs

I'm looking for a client for my project GAPSHAP , I have strong command of Kotlin and Jetpack Compose to build a responsive, lightweight, and intuitive chatbot application, Gapshap. The app will integrate with Google Generative AI Model (Gemini-1.5-flash) to deliver advanced conversational capabilities. Key Features: - A well-organized chat interface with seamless message threading - The latest user query appearing last - A custom attachment functionality enabling image sharing and AI responses Technology Stack: - Backend: Google Generative AI integration - Frontend: Android Studio, Jetpack Compose I'm currently prioritizing the enhancement of multimedia support, specifically image sharing. The ideal freelancer for this project should have: - Extensive experience in Android a...

My Android app, written in Java, is facing issues with Firebase custom notifications. The notifications do not work when the app is terminated. This issue occurs with both data messages and notification messages. Ideal Skills: - Proficient in Java and Android development - Extensive experience with Firebase - Familiarity with handling Android app notifications - Able to troubleshoot and fix issues efficiently Your task is to identify the root cause of the problem and implement a solution to ensure notifications are received even when the app is not running.

I'm looking for an experienced Android developer to create a podcast app similar to Pocket FM. Key elements of this project include: - User Subscription Model: The app will need a robust and secure subscription system to manage user access to premium content. The ideal freelancer for this job will have a strong background in Android app development and experience with creating subscription-based models. A passion for podcasts and understanding of the podcasting landscape would be a plus. Please include relevant samples of your work in your proposal.

I need help from an experienced freelancer who can assist me in remotely setting up an Android app on my system using Android Studio. Key Tasks: - Installation and setup of the app code - Running the app and ensuring it's operational The primary goal is to get this app up and running for testing purposes. Your expertise will be invaluable in making this process smooth and efficient. Please only apply if you are proficient in Android Studio and have prior experience with Android app setup and testing.

I'm looking for a developer who can create a simple yet efficient solution that allows direct access to eBooks and tutorials stored in an S3 bucket. The system should incorporate AWS Lambda if necessary, with a subscription logic function and a web interface featuring: 1. Admin Dashboard: This should include user management and subscription tracking capabilities. 2. API interface for Payments: This needs to support payment processing, subscription management, and integration with a mobile wallet payment system. 3. Front Interface for Product Viewing: This will be implemented later, but it's important to note. The solution must be subscription-based, providing users with direct S3 URL access after logging in. I want this project to be completed as soon as possible, so I'm l...

I'm looking for a competent developer to create a website and an Android app for an online game: SPINNER WHEEL. Key Features: - User registration and login: The authentication method will strictly be a Phone number OTP. - Deposit and withdrawal system: This should be well integrated and user-friendly. - Spinner Wheel gameplay: The core of the project. Also, the game should support: - Local money transfer systems for all deposits and withdrawals. Ideal Skills: - Proficient in Android app and website development. - Experience in creating online games. - Knowledge in integrating secure payment systems. - Expertise in implementing OTP for user verification. Please include your portfolio and examples of similar projects you've worked on in your bid.

I'm facing an issue while building an APK for my mobile app using Android Studio. The build process throws an error (as shown in the attached screenshot), and I need someone to help me troubleshoot and fix it. must work through Anydesk so I can see the process in real time.

I'm looking for a skilled Android developer who can create an application that interacts with NFC tags. Key Features: - Upon tapping the NFC tag, the app should collect: - The NFC tag ID - The mobile number of the user - The date and time stamp - This data needs to be sent to Google Cloud and stored in JSON format. User Authentication: - The app should incorporate a one-time registration process using mobile OTP for user authentication. Ideal Skills: - Proficiency in Android app development - Experience with NFC technology - Knowledge of Google Cloud and data storage in JSON - Skills in implementing mobile OTP based user authentication. Please make sure to have previous examples of similar projects ready for review. Thank you! below is the flowchart Flowchart for App Devel...

I'm seeking a proficient fullstack developer to construct a comprehensive marketplace akin to olx.com.br. This platform should be designed for both web and mobile use. Essential responsibilities include: - Implementing user registration and profile systems - Creating product listings and an intuitive search function - Establishing a reliable messaging system for interactions between buyers and sellers Additionally, the project requires a basic integrated payment system. Hence, experience with e-commerce platforms and payment gateway integration will be advantageous.

I'm in the process of migrating my application from Spring Boot 2.7 to 3.2.2, and I'm encountering some runtime errors with my unit tests. Key Requirements: - Expertise in Spring Boot, particularly version 3.2.2 - Strong debugging skills to identify and resolve runtime errors - Experience with unit testing and test case development - Ability to work with Spring Data JPA, Spring Security, Spring Web and other Spring dependencies Please provide examples of similar projects you've worked on, especially any that involved debugging unit tests during a framework upgrade.

I'm looking for a seasoned Spring-Boot expert with a strong command in Kotlin to help me build a comprehensive platform with both frontend and backend. Key Responsibilities: - Develop a user-friendly and interactive front-end with features like user authentication and dynamic dashboard. - Construct a robust backend capable of efficient database management and API development. Ideal Skills: - Proficiency in Kotlin and Spring-Boot - Strong experience in both front-end and back-end development - Prior experience in creating interactive dashboards - Knowledge of user authentication systems - Expertise in database management and API development Please provide examples of previous similar projects.

I'm looking for an experienced Java backend developer to focus on server-side logic for my project. Key Responsibilities: - Implementing and managing server-side logic using Java EE - Ensuring high performance and responsiveness to requests from the front-end Ideal Skills: - Proficient in Java and Java EE - Strong backend development experience - Good understanding of server-side logic The successful freelancer will have a track record of delivering high-quality, efficient backend solutions. Please provide examples of your previous work with Java EE and server-side logic.

I'm looking for a freelancer who can create a mini Android app for me. This app will utilize my integrated supervision grid for a test project. Key Features: - The primary functionality of the app is real-time data monitoring. - The app should take 'User inputs' as its data source for sending notifications. User Interface: - I envision a simple and minimalistic user interface for the app. Ideal Skills and Experience: - Proficiency in Android app development. - Experience with real-time data monitoring apps. - Ability to create simple and minimalistic user interfaces. - Good understanding of handling user inputs for notifications.

I'm looking for an experienced software developer to create an Android-based B2B mobile recharge software. The key functionality of this software is to facilitate recharge services. Specific Requirements: - The software should be exclusively for iOS. - Core functionalities include facilitating recharge services. - User authentication needs to be via email and password. Ideal skills and experience for this job include: - Proven track record in iOS software development. - Experience with building B2B software. - Knowledge and understanding of creating recharge services software. - Proficient in implementing secure user authentication systems. Please bid only if you meet these requirements. Looking forward to your proposals.

My Android app is experiencing runtime crashes during execution. It is imperative that I find an experienced developer who can analyze, debug, and resolve these issues as soon as possible. Key Requirements: - Expertise in Android development - Proficient with crash reporting tools - Skilled in debugging techniques Potential Additional Tasks: - Optimizing the app's performance - Ensuring smooth operation across all devices Please include in your proposal your experience and approach to handling runtime crashes.

I'm looking for a skilled developer to create a general web browsing Android app for me. As this is a basic browser app, the focus will primarily be on ensuring smooth navigation, page loading, and overall user experience., The app will function as a browser-type application, offering a seamless experience for users to access our site. Responsibilities include developing the app, integrating all required features, and uploading it to the Google Play Store. the developer must provide the complete source code upon project completion. Ideal Skills: - Android App Development - UI/UX Design - Web Technologies Knowledge - Quality Assurance and Testing Prior experience with browser-type app development will be a significant advantage. Please provide examples of similar projects you have w...

I need assistance with a Windows-based desktop application. The application is written in Python and I require help to modify the GUI. Specific Tasks: - Add, edit and remove text - Add, edit and remove links - Add, edit and remove images Ideal Skills: - Proficient in Python - Experienced in desktop application development - Familiar with GUI modification - Able to work with Windows OS I look forward to your bids.

I'm encountering an authentication error with the Apple sign-in on my NestJS website, specifically during the redirect phase. Despite verifying that my redirect URIs in the Apple Developer console are correct, I'm still receiving a "Missing required parameter client_id in request URL" error. The project involves: - Diagnosing and fixing the Apple authentication issue - Ensuring the Apple sign-in works seamlessly with existing Google and email/password authentication - Utilizing AWS Cognito for the implementation Ideal skills for this job include: - Expertise in NestJS and AWS Cognito - Experience with implementing Apple authentication - Strong problem-solving abilities to diagnose and fix configuration issues - Good understanding of redirect URIs and client parameters...

I need assistance running a web application with a Spring Boot Java backend and a React frontend on a local server. - Local Server Deployment: The application should be set up and run on a local server. - Database Setup: If there's no pre-existing Login database in the code, please create a simple one. Ideal candidates for this job should be proficient in both Spring Boot and React, have experience with local server deployment, and can set up a simple database. Understanding of Java and familiarity with creating and managing databases are crucial for the task.

I need an experienced AWS professional to set up an API Gateway for my load-balanced ECS, which hosts a Spring Boot application deployed through Copilot. The project requires the following: - Implementing a robust API Gateway with a focus on Authentication and Authorization using a Custom JWT. - Ensuring the API Gateway is compatible with a Single Service deployment of the Spring Boot application. Ideal candidates should have: - Strong expertise in AWS services, particularly ECS and API Gateway. - Proficiency in Spring Boot and AWS Copilot. - Demonstrable experience in implementing Custom JWT for API authentication and authorization. - Skills in creating secure, efficient and scalable API Gateways. All things in place just need to setup API gateway in 1-2 days

I'm looking for a skilled developer to create an HWID locked key system for my Python program. Key Features: - User Dashboard: The system should include a user-friendly dashboard where users can manage their keys. Security Requirements: - Advanced Encryption: The system needs to implement high-level security measures to protect the keys and user data. Ideal Skills: - Extensive experience in Python programming. - Proven track record in developing HWID locked systems. - Proficiency in implementing advanced encryption methods. - Ability to design intuitive user dashboards. If you're interested, I can provide more details on the project.

We are seeking an experienced web developer to create a responsive web application tailored for our sales representatives. Our business is the manufacturing of bus/van/car chairs. Each chair would have multiple alternate components (frame, upholstery, recliner, backrest, headrest, footrest, etc.). The application should enable the sales representative to offer the client a model and work with this client by substituting multiple alternate components to reach the best product suited to a specific client. Each alternate component will have a different price and the final product selection will have a price tag. Following are the details of the technical requirements: 1. Technology Stack Frontend: • Frameworks/Libraries: React • UI Design: Bootstrap • Responsive Design: Use CSS...

I'm looking for a full stack developer proficient in Java and React. - Proven experience in full stack development, particularly using Java and React - Previous work on webapps We currently use (and need you to use): -Java -Spring boot -Hibernate -ELK Stack -React JS -Redux -Docker

I'm in urgent need of a Haskell expert to help with focused on functional programming basics, particularly recursion techniques. Skills Required: - Proficiency in Haskell - Strong understanding of functional programming - Experience with recursion techniques Please only respond if you are able to work on this immediately

I'm in urgent need of a Haskell expert to help with my academic homework focused on functional programming basics, particularly recursion techniques. Skills Required: - Proficiency in Haskell - Strong understanding of functional programming - Experience with recursion techniques Please only respond if you are able to work on this immediately. Start bid with 9218912

I'm looking for a proficient developer to create a standalone WhatsApp chatbot specifically designed for taxi bookings. This bot will handle both immediate and scheduled taxi bookings. Key Responsibilities: - Developing a WhatsApp chatbot capable of booking taxis - Implementing both immediate and scheduled booking capabilities - Ensuring the bot functions independently, without the need for integration with existing systems Ideal Skills: - Extensive experience in chatbot development, particularly for WhatsApp - Strong knowledge of taxi booking processes - Ability to create a fully standalone system Please bid only if you have relevant experience and can deliver a high-quality product.

I am looking for a freelancer who can integrate my Google Sheets with WhatsApp in order to send automated task reminders. The reminders should be triggered based on specific data updates in the sheet. Ideal Skills: - Proficiency in Google Sheets - Experience with WhatsApp integration - Knowledge of automation tools - Python/JavaScript skills (for scripting purposes) Please include examples of similar projects you've completed in your proposal. I look forward to hearing from you.

I'm seeking a seasoned developer to build a Windows-compatible, interactive roulette simulation program in Python, based on my theoretical model. The program should integrate specific strategies and rules that I will provide. Key features include: - Simulating roulette spins - Tracking wins, losses, and total profit/loss - Offering flexible betting options according to predefined strategies The ideal candidate should be able to: - Create a user-friendly, interactive graphical interface - Provide comprehensive documentation of the code - Optionally, enabling the program to test with historical data Please share your estimated timeline and cost, along with examples of similar projects you've completed.

Dear Colleagues, I need support to resolve my android programming problem. Please read the description below to have an idea of what was done in my code and what I need you to do. I started developing a MQTT client app using android studio (java). I am using Paho MQTT library (search for "Android MQTT client" in github) What I did so far? Mqtt integration: - the app establishes a connection to an MQTT broker using the Paho MQTT library. - the app subscribes to a specific MQTT topic and listen for incoming messages then display received MQTT messages in a TextView within the main activity, updating it in real-time as messages arrive. - it also publishes messages to another MQTT topic when triggered by a button. What I tried to do: Create a background service that subscrib...

Fiverr Task Title: “Develop a QR Code Registration System with Data Validation and Random Draw Mechanism (3-Day Deadline)” Task Requirements: • QR Code Setup: • Generate dynamic, secure QR codes with expiration at 9:00 PM daily. • Prevent duplication/misuse; optional geofencing support. • Registration Form: • Fields: Name, ID Number, Date of Birth (min. age 10), Mobile, Consent checkbox with T&Cs link. • Post-registration pop-up: Event timings and 1 million draw info. • Real-time duplicate and age validation; secure data encryption. • Random Draw System: • Certified, auditable random draw system. • Exclude duplicate/invalid entries; notify winners via SMS/email. • Automation & Notifications: • Use...

I'm in search of a proficient blockchain developer with substantial experience in Custodial wallet Systems and Roollet games. While specifics on the blockchain platform and wallet features have yet to be determined, I am open to suggestions based on your expertise and knowledge of the field. Ideal Skills and Experience: - Extensive background in blockchain technology. - Proven track record in developing secure and efficient digital wallets. - Good understanding of different blockchain platforms, including Ethereum, Bitcoin, and Binance Smart Chain. - Ability to provide innovative solutions based on industry trends.

I need someonto build a algo trading bot

I'm in need of a seasoned Spring Boot developer with over 4 years of experience for a fintech project. Upon selection, you'll be required to sign a Non-Disclosure Agreement (NDA) due to the sensitive nature of the project. To understand the knowledge, we take a test, a take-home project. Which needs to be attached with quotation. Your task will be to create a simple Spring Boot REST API application for managing books. The application should include the following features: - User Registration: - Via email and password - Via Google (scopes: email, profile, and openid) - User Login: - Via email and password - Via Google (Good to have knowledge and implementation of grants type) - JWT Authentication: - Our server will generate the JWT token for both registration method...

I need an Android application developed that facilitates food ordering. The app should capture customer locations upon placing an order and share that with the delivery personnel. It should also have an admin interface for overseeing operations and managing users. .. Extra :Key option for manually add location with a (about place picture) Key Features: - Customer interface for ordering food and providing location (both manually and via GPS) - Delivery person interface for receiving orders and navigating to customer locations - Admin interface for managing the app and overseeing deliveries Ideal Skills: - Proficient in Android app development - Experience in building multi-user platform apps - Understanding of GPS and location tracking integration - Knowledge in creating admin interface...

I am seeking a Python developer to improve my financial application. The main task will be adding new features, specifically automated reporting capabilities. Key Requirements: - Implementing automated alerts based on financial and market data Ideal Skills: - Proficient in Python - Experience in developing financial applications - Knowledge of implementing automated reporting systems

I'm on the lookout for an experienced AI developer with a focus on Computer Vision. The project will primarily involve processing images, so a deep understanding and experience in handling image data is crucial. Key Responsibilities: - Develop an AI system capable of image classification and image segmentation. Ideal Skills: - Proficient in AI and machine learning, specifically in the domain of computer vision. - Hands-on experience with image processing and computer vision tasks. - Familiarity with developing AI for image classification and segmentation. - Proficient in using relevant programming languages and tools (Python, TensorFlow, etc.). Please bid if you have the relevant experience and skills.

I'm looking for a backtesting engine for algorithmic trading. This engine needs to be capable of testing various quantitative strategies specifically in the stock market. Key Requirements: - The backtesting engine must be developed in Java. - It should be able to accommodate a range of quantitative strategies. - It should provide accurate and efficient backtesting results. Ideal Skills: - Extensive experience in algorithmic trading and backtesting. - Proficient in Java, with a strong understanding of its application in financial software development. - Able to design and implement various quantitative trading strategies.

I'm facing an issue with my Android app's timer. The timer shows incorrect time after running for a while, specifically on newer Android versions. Skills and experience ideal for this job include: - Android app development - Debugging and troubleshooting - Understanding of timer functionality in apps - Familiarity with various Android versions, particularly newer ones - Ability to provide a solution to fix the issue Your task will be to diagnose the issue and implement a fix so that the timer works correctly across all Android versions.

I need an experienced developer to integrate PayU as the primary payment gateway in my existing Android-based dating app available on the Google Play Store. The app currently has another gateway, but I want to replace it with PayU or add it as the primary payment method. The integration must ensure seamless transactions, secure payment processing, and full compliance with security standards. The project needs to be completed ASAP with thorough testing and app update deployment.

I'm in need of a skilled Solana developer to help me create a new governance token on the Solana blockchain. The primary function of this token is to facilitate voting within a decentralized system. Key Responsibilities: - Develop a custom governance token on the Solana network. - Implement robust voting mechanisms within the token's framework. Skills & Experience Required: - Proven experience with Solana and its token creation processes. - Strong understanding of blockchain governance models. - Proficiency in implementing complex voting systems within a token. Please note, I do not need assistance with tokenomics design. The focus of this project is solely on the development of the token and its corresponding voting mechanisms.

I am looking for a developer to build a Java Spring Boot API for a web application targeted at the general public. I need someone to write the API for me. The application will have the following key features: - User Authentication and Authorization: The application should allow users to create accounts, log in securely, and manage their personal data. - Real-Time Data Processing: The API needs to handle data updates in real-time and ensure that users are provided with current information. - The API should support comprehensive CRUD (Create, Read, Update, Delete) operations for managing resources. - The application should include a search functionality to allow users to quickly find the information they need. - Implement role-based access controls to restrict access to certain parts of t...

I'm seeking an experienced developer to migrate my Oracle SOA web services APIs to Spring Boot. This project is primarily aimed at modernizing my current system, with a key emphasis on retaining the existing business process orchestration functionalities. Key requirements: - Extensive experience with Oracle SOA and Spring Boot - Strong understanding of business process orchestration - Proven track record of implementing enhanced security features in APIs - Ability to deliver a modernized and efficient system.

A plugin compatible with Mozilla, Chrome, and Safari. I have a simple plugin project that I want to integrate into the code of another plugin. The plugin available in the Chrome Web Store is used for searching Amazon offers. The plugin displays ASIN, BSR, publication date, and competition. The task is to add a sorting feature for products by BSR, date, and competition. Additionally, the interface should be redesigned to ensure it does not resemble the original. I also created a simple plugin code that needs to be refined to look professional. Its functionality involves importing Amazon product data into IndexDB, including title, brand, and image URL. The imported designs are displayed in the popup interface. The plugin should be connected to the OpenAI API to generate prompts for creatin...

I'm looking to create a custom application in Zoho Creator specifically tailored for educational purposes. The application will need to have: - A comprehensive student database - Course management features Ideal candidates for this project should have extensive experience with Zoho Creator and app development. A background in education and understanding of educational app requirements would be a significant advantage. Please provide examples of similar projects you've completed.

I need a skilled Java programmer who can comprehend the existing Java code and document the responsibilities of a tester and an analyst.

I need an Android activity window written in Java to edit event details. The editing capabilities should include: - Event Date and Time - Event Location - Event Title - Event Description For the input fields, I require: - Text fields for the event title and description - Date and time pickers for the event's schedule - A location text field to edit location details. The activity should pre- populated with data. An event should have an id, but not visible to user. Please send an example android studio project so that I can test your code. Some of these fields will need validation while others won't. The ideal freelancer for this project should have: - Extensive experience with Android development - Proficiency in Java - A solid understanding of input field validation and res...

I'm seeking a talented full-stack developer to assist me with a project. The ideal candidate will have extensive experience with both frontend and backend development, and particularly with the Spring framework on the backend. Key Responsibilities: - Collaborate with me on full-stack development. - Develop and implement features on both the frontend and backend. - Leverage the Spring framework to build robust backend solutions. Ideal Skills: - Proven experience in full-stack development. - Extensive knowledge and hands-on experience with the Spring framework. - Proficiency in frontend technologies. - Strong problem-solving skills. Please include examples of your previous work in your bid. I look forward to collaborating with you on this exciting project.

I'm looking for a skilled Python developer. The task involves intercepting and modifying JavaScript content from specific domains. The modification will entail replacing the intercepted content with static, local files. Key Requirements: - Interception of JavaScript content from specified domains - Replacement of content with local static files - Use of a lightweight, fast browser with Python Please note: - The project does not involve the use ofselenium-wire, or proxy to avoid performance impact. - The ideal candidate should have substantial experience with Python, and be able to work with devtools.

I’m looking to create a new token on the Solana blockchain, accompanied by several decentralized applications (dApps) designed to support and enhance the token's utility within its ecosystem. Project Scope: Token Development Create a utility token on the Solana blockchain with secure, scalable, and optimized architecture. dApp Development Staking Platform: A dApp to enable token holders to stake their tokens and earn rewards. Presale and Airdrop Platform: A user-friendly site to facilitate token presales and distribute airdrops efficiently. Payment and Transaction dApp: Enable seamless and efficient payment processes within the ecosystem. Marketplace Integration: List and integrate the token into popular decentralized marketplaces. Data Storage and Retrieval dApp: Incorporate f...

Project Brief: Telegram Bot for Online Lottery Game Automation Purpose: The goal of this project is to develop a Python-based website and bot that automates posting entries to a specified Telegram channel. These posts will then be automatically input into an online lottery game website. The automation includes generating randomized sets of digits and distributing them across multiple accounts while adhering to user-defined settings. To avoid detection by the lottery system, the bot will implement features like randomized posting intervals, varying account usage, and customizable parameters for rate distribution and digit rolling. The system will also provide a detailed log for transparency and validation, ensuring all generated entries align with the defined rules. Scope of Work: Create...