Web developer freelancer berlin jobs

Node.js and Developer with AES 256 Encryption & MongoDB Expertise Job Overview: We are seeking a skilled Node.js and developer for a contract-based position. The developer will be responsible for implementing AES 256-bit encryption, integrating mobile and email OTP functionalities, and efficiently managing data using MongoDB. Key Responsibilities: Implement AES 256-bit encryption for securing sensitive data. Set up and manage mobile and email OTP (One-Time Password) systems. Integrate third-party APIs like Twilio, SendGrid, or similar. Design, develop, and maintain RESTful APIs using Node.js and Express.js. Efficiently handle database operations with MongoDB. Write clean, maintainable, and well-documented code. Debug, test, and optimize the application for perf...

Looking for an experienced marketing professional with proven track record in freelancing platforms (Fiverr, Upwork, Freelancer, Clutch) to secure AI and software development projects. The ideal candidate should have demonstrated success in bid writing, project acquisition, and client communication for technical projects, particularly in AI/ML, chatbots, web development, and data analytics. Our company, an established AI solutions provider with 25+ professionals, offers multiple successful AI products and strong government/enterprise client portfolio. We're offering competitive compensation (base + commission) for someone who can expand our presence across freelancing platforms and secure high-value projects. Remote work possible

I'm in need of a skilled Kotlin Jet Compress developer to assist with my Android transportation app. The app includes features typical of a social networking platform, such as a messaging system, user profiles, and a news feed. Key Responsibilities: - Develop and implement efficient data compression techniques using Kotlin Jet Compress to ensure smooth performance of the app, particularly during peak usage times. - Collaborate on the development of the app's social networking features, including a messaging system, user profiles, and a news feed. Required Skills and Experience: - Proficiency in Kotlin, with a strong focus on Android app development. - Experience with Kotlin Jet Compress, particularly in the context of Android app development. - Prior experience developi...

I'm looking for a skilled web scraper with API development experience. The task involves extracting product information from three specific websites. Key Requirements: - Extract product descriptions from specified websites - Develop an API to facilitate this - Present data in a user-friendly JSON format Ideal Skills: - Strong background in web scraping techniques - Proven experience with API development - Attention to detail - Ability to work independently If you've successfully completed similar projects in the past, I would love to hear from you!

I'm seeking a highly skilled software developer fluent in German to help create a dynamic social networking web application. Key responsibilities: - Design and develop the core functionalities of the application, focusing on user profiles. - Collaborate on creating a seamless, engaging user experience. Ideal Skills: - Proficiency in web application development - Previous experience in creating social networking sites - Fluent in German This project is perfect for a developer who is not only technically proficient but also understands the nuances of creating a user-friendly social networking platform. If you have experience in this field and can communicate effectively in German, I would love to hear from you.

I'm looking for a skilled Laravel developer to help improve the functionality of my current website. - The primary goal of this project is to enhance the overall performance and capabilities of the site. - Although the specific features to be added haven't been determined yet, I believe that integrating user authentication, a payment gateway, and developing some APIs could be beneficial. - A strong understanding of Laravel and experience with developing and implementing website features is crucial for this task. If you have the right skills and experience, I would love to hear from you.

I'm in need of an experienced Java web developer to create a dynamic social media platform. The application should include core features such as user profiles, a messaging system, and a news feed. Skills and experience needed: - Proficient in Java and web application development - Previous experience in developing social media platforms is a plus - Strong understanding of user interface design and user experience - Ability to implement complex features like messaging systems and news feeds

I'm seeking a dedicated and work-minded Android developer who is adept with Android Studio. The project is to develop a live wallpaper application, with a focus on user-customizable settings. Key Features: - The live wallpaper should come with customizable settings. - Settings should allow users to change wallpapers periodically, adjust animation speed and personalize themes/colors. The application should be capable of: - Organizing wallpapers in a listview, categorized by different themes and countries. Ideal Skills: - Proficiency in Android Studio. - Experience in developing live wallpaper applications. - Understanding of creating interactive and customizable app features. Please provide previous examples of your work, particularly if you have experience with similar pro...

we are working on an AR project for our existing business and am seeking a talented Unity developer to join our team on a monthly basis. This is a long-term opportunity. Please note, I'm only looking to hire individual freelancers based in India for this role. Application Requirements: - Please provide examples of your past work in AR, specifically educational projects. - Explain your experience in Unity and how it relates to AR development. Ideal Skills and Experience: - Proven track record of developing educational AR projects. - Strong Unity skills, with a specific focus on AR. I'm excited to see your applications!

I am looking for a skilled web developer or a team to build an MVP for a financial advisory platform. The application will allow users to register, complete a static financial profiling questionnaire, connect multiple broker accounts, and view actionable insights about their investments. The platform will also include an AI-powered chatbot for financial queries and document analysis. The core requirements for the MVP include: Key Features: 1. User Management: - User registration, login, and profile management. - Secure sessions with automatic logout after inactivity. 2. Static Questionnaire: - A predefined set of financial profiling questions. - Logic to categorize users into predefined investment groups (e.g., Conservative, Moderate, Aggressive). - Display ...

I'm seeking a fresh Python backend developer with a focus on API development, specifically RESTful APIs. The primary task will be implementing user authentication within these APIs. Ideal Skills: - Proficiency in Python - Basic understanding of RESTful APIs - Experience with implementing user authentication This is a perfect opportunity for a recent graduate or someone looking to gain practical experience in the field. I am open to mentoring and guiding the right candidate.

As the owner of a digital marketing agency, I'm seeking a proactive and results-driven business developer who can help me attract more small business clients. Key Responsibilities: - Identify and reach out to potential small business clients in need of digital marketing services. - Develop and implement innovative strategies to increase client acquisition. - Build and maintain long-term relationships with small business clients. - Manage the client onboarding process to ensure a smooth transition. Ideal Skills: - Proven experience in business development, preferably in the digital marketing sector. - Excellent communication and networking skills. - Strong understanding of the value of digital marketing services to small businesses. - Proven track record in client acquisition ...

I am looking for an experienced Odoo developer and designer specializing in hotel management systems. The project involves redesigning key components of our current system to enhance functionality and usability. Key Tasks: - Redesigning the Reservation Calendar: Specific functionalities for the reservation calendar will be discussed, but the ideal candidate should be able to suggest improvements based on best practices in the industry. - Redesigning Room Status: The new design should incorporate visual indicators for room status and allow for real-time updates. - Creating Hotel KPIs and Report Metrics: I need a set of key performance indicators (KPIs) that will help us assess our hotel's performance. These will include metrics such as Occupancy Rate, Average Daily Rate (ADR), ...

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I'm looking for an experienced Pine Script developer to assist me in creating a script for TradingView. If you have a strong understanding of trading strategies and can deliver a tailored solution, please reach out.

I'm in need of a proficient SwiftUI freelancer to assist in the creation of a new entertainment app. The project is fairly small and I anticipate it being completed in 3 to 5 days. My budget for this is between $100 to $200. Ideal Skills and Experience: - Strong proficiency in SwiftUI - Experience in developing entertainment apps - Ability to deliver within tight deadlines - Budget-consciousness - Prior experience with small-scale app development Your primary responsibility will be: - Collaborating with me to develop the app - Ensuring the app meets entertainment standards - Completing the project in the designated time frame and budget Please note, specific features of the app have not been determined yet, but a passion for entertainment and understanding of entertainment ...

I need a Pure PHP expert to help me resolve an API issue. Specifically, I'm encountering warnings in my PHP script: - Object of class mysqli could not be converted to float - Object of class mysqli could not be converted to int Both of these warnings are originating from line 494 of the file in my API.

I'm in need of a Python developer to improve my Whisper script. The project involves: - Upgrading the current script to include better UI elements using PyQt - Implementing some new file processing functions The UI should be compatible with a desktop application. Ideal skills for this project include: - Proficiency in Python, with a focus on desktop application development - Extensive experience with PyQt - Strong skills in file processing programming - Previous experience enhancing scripts for improved functionality and user interface Please provide examples of similar projects you've completed in your bid.

I'm looking for a skilled web developer to create a simple yet appealing website for my new coffee/matcha store. This project is vital for facilitating online orders, and it will require regular updates and management based on my instructions. Key Features: - A Menu Page displaying product images, descriptions, and prices in a list layout. - A visually appealing, user-friendly design that reflects the nature of the store. -Website will be sleek and aesthetic, will match the aesthetic of the store Please provide a portfolio of similar projects prior to bidding.

Project Title: Front-End Development for a Website UI Description: We need a skilled front-end Angular 19 developer to create a webpage with some e-commerce capabilities. We already have webpage design and functionality that will share with you. Project Details: Platform: The project will involve creating responsive SPA web pages for both cloud and on-prem Linux servers platform. Requirements: Details will be provided with webpages design, layout, and functionality of the reference website . Technologies: - HTML5, CSS3 - Angular 19, JavaScript - Responsive design using Flexbox, Grid, or Bootstrap Requirements: - Webpages will have requirements for the design, responsiveness, MySQL database connection, animations in website. - Cross-Browser Compatibility: Ensure the UI w...

I'm seeking an experienced full stack React developer to build a feature-rich and interactive e-commerce application. Key Requirements: - Implement user authentication and data visualization features - Design a clean, intuitive, and interactive UI - Integrate essential e-commerce services, including: * Payment processing * Inventory management * Customer reviews Ideal Candidates: - Proficient in React and full stack development - Prior experience in e-commerce application development - Strong UI/UX design skills - Knowledge of implementing payment gateways and inventory systems.

I'm in need of a Python backend developer, preferably a fresher, with a focus on API development and database management. The project will primarily involve working with SQL databases and leveraging the Django framework. Key Responsibilities: - API Development: Building, testing, and maintaining APIs to support various applications and services. - Database Management: Overseeing the interaction with our SQL databases, ensuring data integrity and optimizing performance. Ideal Skills: - Proficiency in Python, particularly in a backend context. - Familiarity with SQL databases, including basic query writing and database design. - Prior experience or knowledge of the Django framework. - Understanding of API structures and principles. This is a great opportunity for a fresher loo...

I'm urgently seeking an expert raw PHP developer for a 2-months project. The developer is required to work on upgrades to our existing reporting panel at our Nikaton, Dhaka, Bangladesh office. Freelancer have to work in our physical office . It's not a remote job. MS-SQL database expertise is required. The office hours are from 9 A.M. to 6 P.M., and lunch is complimentary. The project involves: - Implementing new features. - Bug fixing. - Performance optimization. The new features to be added include: - Customizable reports. The level of customization for the reports includes: - User-defined filters - Customizable layouts - Export options (PDF, Excel) Ideal candidates should have: - Extensive experience in raw PHP - Proven track record in developing repor...

Job Description: Freelancer for RTB Partnership Submission with TrafficStars About Us: is an ad network focused on adult traffic, including formats such as banner ads, video ads, and popunder. We have experience working with various platforms and are looking for a new partner to expand our reach through RTB (Real-Time Bidding). We want to work with TrafficStars to purchase high-quality traffic, but our previous application was rejected. Therefore, we are seeking an experienced freelancer to help us reapply with a more professional approach. Freelancer Responsibilities: Create a Professional Proposal: Develop an engaging and informative partnership proposal that aligns with TrafficStars’ standards. Highlight our need to purchase adult traffic (banner, video, p...

I'm seeking a proficient mobile app developer specializing in crafting applications for both iOS and Android. The app is intended for a 3D printing platform, which means prior experience in developing similar applications will be a significant advantage. The project requires a professional who can assist in designing the app from scratch. The ideal candidate should possess a strong understanding of UX/UI design principles and be able to create an intuitive and user-friendly interface. Key Skills and Experience: - Proven track record in mobile app development for both iOS and Android. - Experience with 3D model viewer apps will be a plus. - Strong UX/UI design skills and experience. - Proficient in user account management systems. - Excellent communication and collaboration sk...

Project Description for Freelancer.com: JizzyAI - AI-Powered Content & Pinterest Marketing Platform Overview: Developing an AI-based platform for automating content creation and Pinterest marketing. Platform integrates multiple AI models and Pinterest analytics for efficient content generation and marketing optimization. Key Features: Content Generation AI article generator (single/bulk) AI image generation (multiple models) Image-to-text conversion WordPress integration Article/image library management Pinterest Tools Pin generator Keyword research & tracking Analytics dashboard Content performance monitoring Bulk pin data export Core Requirements AI APIs integration (Image models) Pinterest API integration WordPress API connectivity User authentication File management ...

We are seeking a skilled *Flutter Developer* to develop our mobile application from scratch. The project is backed by a robust *Laravel* backend, and we are looking for a professional to build the mobile app based on our provided designs and requirements. ### *Responsibilities:* - Develop the mobile application using *Flutter*, based on detailed designs provided in a Figma file. - Create and integrate custom *API endpoints* to communicate between the Flutter app and the Laravel backend. - Ensure smooth and efficient interaction between the mobile app and the backend. - Debug and optimize the code to ensure performance and scalability. - Provide regular updates on the progress and collaborate effectively with the team. ### *Requirements:* - Proven experience in *Flutter* developmen...

I'm looking for a freelancer to help secure a sponsored post with a Kansas City-based influencer to promote my new taxi service. Your role will involve identifying, vetting, and coordinating with a suitable influencer who can effectively reach my target audience. I don't have time to find and coordinate with influencers on my own, so I need someone's assistance. Responsibilities: - Research and identify influencers whose audience is primarily in Kansas City and who would be a good fit for promoting a taxi service (Instagram, Tiktok if it becomes available in the US again, YouTube) - Reach out to influencers, negotiate terms, and facilitate the collaboration. - Ensure the influencer’s audience includes locals, frequent travelers, and commuters who are likely to...

Description: I'm seeking an experienced full-stack developer to finalize and optimize my Telegram-based game built with React, Express, and Vite. The game is 99% complete with a working user login/register system, but requires critical enhancements to be production-ready. The application is currently deployed on Google Cloud Run and uses MongoDB Atlas for data storage. Current Project State: - React frontend with Vite - Express backend (serving both API and frontend) - Deployed on Google Cloud Run - MongoDB Atlas for database - Basic user authentication system - TON blockchain integration (working on PC, needs mobile optimization) Key Tasks: 1. Telegram Integration: 1. Implement full Telegram Bot API integration 2. Ensure seamless user experience within Telegram 3. Imple...

I’m seeking an experienced developer with a strong background in Solana and Raydium development to assist with a specific project. I have Python code that interacts with Uniswap (Ethereum) for minting and managing LP positions, swaps, and more. I’m looking to replicate this functionality for Raydium on Solana. Key Requirements: - Proven experience integrating systems with Solana using Python. - In-depth knowledge of Raydium, including crypto token minting and liquidity provision processes. - Strong understanding of transaction speed optimization and security best practices within the Solana ecosystem. Project Scope: - Develop a Python function to mint an LP position on Raydium. I will provide existing Python code for Uniswap as a reference. - Document the key distincti...

We are seeking a skilled WordPress developer to enhance our news website by adding new features and optimizing its design. The project involves creating a contributor page, designing a subscription signup page, securely storing subscription information in a master database, and enabling user login functionality via Google or LinkedIn accounts. Scope of Work: 1. Contributor Page Creation: o Design and develop a dedicated contributor page where contributors can showcase their profiles, bios, and published articles. o Include functionalities to allow contributors to manage their profiles (e.g., upload a profile picture, update their bio). o Display a list of articles authored by each contributor, including links to the respective articles. o Ensure the page design aligns with the websi...

I'm seeking a dedicated, individual WordPress developer, not from an agency, for a potential full-time position. The role involves collaborating with our current developer and working live on a WordPress site as other team members tackle different sections. Key Requirements: - Strong WordPress experience - Proficient in Elementor Pro - Available for live group calls - Able to complete a trial task on a small section of a page The primary purpose of the new site is to showcase our portfolio. Your task will be to help create an engaging and user-friendly platform. This project is not suitable for you if you're unable to commit to live sessions with the team. We value open communication and collaboration, and expect you to be an integral part of our group.

The bot will simply execute trades based on alerts from TradingView. The trades will need to be executed on the Jupiter crypto trading platform Key Requirements: - The bot should be able to utilize Webhook alerts from TradingView. - Proficiency in Python is essential. - Previous experience with TradingView and developing trading bots will be highly regarded. - Understanding of trade execution and monitoring will be beneficial. Write "TradingView" on the first line of your bid proposal Thank you

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I'm seeking a PowerApps expert to create an application primarily for data entry and management. The data will be stored on SharePoint and will mainly consist of text and numbers. Your task will be to develop a user-friendly interface for efficient data handling. Ideal skills and experience include: - Proficiency in PowerApps - Experience with SharePoint - Ability to develop applications for data management - Understanding of handling text and numbers in apps

I'm in need of a seasoned Node.js developer to assist with a project that primarily uses MySQL as the database technology. While the main focus of the project and the application architecture have not been determined yet, I am open to suggestions based on your expertise and experience. Ideal Skills and Experience: - Proficiency in Node.js - Extensive experience with MySQL - Knowledge of various application architectures (Monolithic, Microservices, Serverless) - API development and Web application expertise - Data processing skills - Excellent problem-solving abilities - Strong communication skills

I'm seeking a committed and work-focused Android developer to help me build an Android Studio project for an entertainment-focused application. Key Project Aspects: - Type of App: We're looking to develop a social media app, so experience with this type of app development would be highly beneficial. - Critical Android Features: Your expertise will be especially valued if you have strong skills in implementing push notifications, geolocation services, and in-app purchases, as these features are pivotal for our app. - Category: The app falls under the Entertainment category, so a knack for creating engaging and fun content will be a plus. Ideal Skills: - Proficiency in Android Studio and Android app development. - Previous experience with social media app development. - S...

Job Description: We are seeking an experienced freelance developer to create a custom bot that monitors specified profiles on X (formerly Twitter) for posts related to memecoin launches and delivers real-time alerts via Telegram. The bot must be fast, efficient, and built using free or open-source tools, avoiding paid APIs or developer tools. Responsibilities: • Profile Monitoring on X: • Track a predefined list of X accounts, including influencers, crypto enthusiasts, and meme-focused profiles. • Focus on posts mentioning memecoin launches, using hashtags like #memecoin and phrases such as “launch,” “new coin,” or other relevant crypto-related terms. • Real-Time Detection: • Implement functionality to scan posts in real-...

I'm in need of a dedicated Android developer with experience in Android Studio to create a sticker app for me. The app will primarily feature predefined animated sticker packs, which I already have the assets for. Key Requirements: - Deep understanding of Android development and Android Studio - Proven experience in creating sticker apps - Proficiency in working with animated assets Please note, the app won't require custom sticker creation or sticker importing from the gallery. The main focus is on implementing and integrating the animated sticker packs I already have.

I'm looking for a dedicated, work-minded Android developer to help me create a challenging Android Studio project. The goal is to develop a unique Android application that simplifies the lock screen. Key Requirements: - Design a simplified lock screen application that allows for quick access to apps and displays notifications. - Incorporate a feature for customizable wallpapers on the lock screen. - Ensure the app is built with user-friendly interface and seamless functionality. - Implement user authentication system. - Include push notifications and in-app purchases for premium features. Ideal Skills: - Proficiency in Android Studio and Java/Kotlin. - Prior experience in developing utility apps. - Strong understanding of creating interactive and customizable features. - Exp...

I'm in need of an experienced full-stack developer to create a comprehensive database for airport lounges and an accompanying user interface. This project will involve both front-end and back-end development, as well as expert knowledge of database management systems, WordPress integration, and PHP. Key Responsibilities: - Design a database that provides users with information about airport lounges including location, amenities, and access requirements. - Include data on numerous amenities (up to 40) for each airport lounge, such as Wi-Fi, food and beverages, and seating options. - Incorporate various access requirements into the database such as membership type, day pass options, credit card partnerships, and elite status. - Allow users to see if they have access to a certain...

I'm in need of a seasoned developer and designer for our Blockchain game project. We are currently building a new project, but we are lacking the manpower to develop it successfully. We invested in Metahorse Games, which has a strong idea, and made a high return. As you know, the Munity token of Metahorse Games reached its peak a few months ago. This time, we found a good opportunity to take this metaverse game to a new level, and We are in the final stage of updating Metahorse. Accordingly, we plan to quickly promote the staking smart contract platform utilizing popular game tokens. In fact, the development of this platform started

I'm looking for an experienced Android app developer to help create a Ludo-style gaming app( not exactly Ludo) its a cricket app. The app should have the following features: - Online multiplayer mode: Players should be able to connect and play against others from around the world. They should be able to connect via email logins. - AI opponents: For players who prefer solitary play, the app should feature challenging AI opponents. - Social features: The app should include a 'Friends List' feature, allowing players to invite and play with their friends. A 'Leaderboards' feature to track the best players and a 'Player Profiles' feature to showcase individual stats and achievements. Ideal candidates for this project should have prior experience in de...

I need a skilled frontend developer with expertise in Angular to create a modern and minimalist design for my SaaS platform. This project will involve both implementing the frontend and designing the UI/UX. Key Responsibilities: - Develop the frontend of a SaaS platform using Angular - Create a modern and minimalist design - Ensure the platform is user-friendly and intuitive Ideal Skills: - Proficient in Angular - Strong UI/UX design skills - Experience with modern and minimalist design styles Please include examples of previous work that align with this project.

Project Description: We are looking for an experienced Full Stack Developer to make adjustments to the automated email system of our e-learning platform, built with PHP/Laravel and hosted on a dedicated AWS server. Key Objectives: Fix any bugs and enhance the functionality of automated email delivery. Optimize email templates (both design and content) to improve user experience. Ensure proper configuration of the email delivery system (e.g., via SMTP, SES, or other AWS-compatible services). Requirements: Strong experience in Full Stack development with PHP and Laravel. Proficiency in managing and configuring dedicated servers on AWS. Expertise in setting up email systems (SMTP, SES, etc.). Knowledge of best practices to improve email deliverability. Strong troubleshooting and debu...

I'm looking for a skilled react-native developer who can help me finish my partially developed app. Key Responsibilities: - Complete the development of the existing app - Ensure the app is fully functional on both iOS and Android Ideal Skills: - Proficient in React-Native - Experience with cross-platform mobile development - Familiarity with iOS and Android development standards Please note, specific features to be added or completed have not yet been defined, so flexibility and problem-solving skills will be key in this project.

I'm in need of an experienced developer who can create a software plugin and associated API to facilitate interactions between multiple programs, specifically SketchUp and AutoCAD. Key Responsibilities: - Designing and developing a software plugin that enables seamless communication between SketchUp and AutoCAD. - Creating a comprehensive API to support the functionality of the plugin. - Ensuring the plugin is user-friendly and integrates smoothly with the software. Ideal Skills and Experience: - Proven experience in software plugin development. - Strong knowledge of SketchUp and AutoCAD. - Exceptional skills in API development. - Previous work in creating interactive software plugins is a plus. - Ability to deliver high-quality, functional software within a set t...

I'm looking for a skilled frontend developer with a strong background in SvelteKit and experience with AI SaaS applications focused on image and video generation. Your main task will be to create an engaging, responsive and intuitive frontend for this application. Key Responsibilities: - Develop the frontend using SvelteKit, ensuring cross-device compatibility (Mobile, Tablet, Desktop) - Collaborate with backend developers working on the AI functionalities - Implement best practices for UI/UX design - Optimize the application for performance and scalability Ideal Skills: - Proficient in SvelteKit and JavaScript - Experience with AI SaaS applications - Strong understanding of UI/UX principles - Ability to optimize for various devices Experience with AI and SaaS development wo...

I'm looking for a skilled PHP developer to implement a new feature in my system that generates sales reports in PDF format. The reports should include total sales, individual item sales, and sales by predefined periods like last week or last month.

I need a skilled WordPress developer to make some design changes and add new functionalities on my company website. Primarily, the modifications will involve a layout rework on both the home page and the service pages. Ideal candidates for this project should have: - Proficiency in WordPress and web design - Experience with creating and implementing new site functionalities - Strong understanding of UI/UX principles