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Hire the best API Developers in Belgrade, RS

Check out API Developers in Belgrade, RS with the skills you need for your next job.
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  • $60 hourly

    • 5.0/5
    • (3 jobs)
    I am a highly skilled Python developer with a robust background in retrieval-augmented generation (RAG), machine learning, and AI-driven solutions. My expertise spans building LangChain applications, managing Linux servers, and developing tailored ML workflows for complex problem-solving. I hold a degree in Information Security from the prestigious St. Petersburg State Transport University, where I gained a deep understanding of system integrity and formal verification techniques. Over the years, I have delivered successful projects in data scraping, API development, and scripting, utilizing frameworks like Django and libraries for data processing and analytics. Additionally, I have experience working on the frontend with Vue.js, enabling me to create dynamic and user-friendly interfaces for web applications. My recent work includes: Designing end-to-end ML pipelines for data optimization and real-time AI applications. Implementing scalable RAG frameworks for document and knowledge-based query solutions. Managing Linux server environments for efficient deployment and monitoring of production applications. Building robust APIs and integrating them seamlessly with various platforms. Developing frontend components and features using Vue.js to complement backend functionality. I am passionate about crafting innovative solutions for startups and established companies, providing top-tier performance while remaining flexible to evolving client needs. Let’s work together to bring your vision to life!
    Featured Skill API Development
    API
    Python Script
    Django
    Script
    Python
    Scripting
    Data Scraping
  • $80 hourly

    • 4.7/5
    • (249 jobs)
    Welcome to my Upwork space! I am a web scraping/crawling and reverse-engineering expert dedicated to transforming complex protected data into simple, actionable insights. I specialize in: Competitive Price Scraping: Understand your competitors' pricing strategies to stay ahead. Make informed decisions to lead your market segment. Financial Data Extraction: Track stocks, funds, sports betting odds, and more for a strategic edge in your investments. Advanced Web Scraping Techniques: Leverage my skills to explore and integrate external APIs, uncovering hidden functionalities and potential enhancements through reverse engineering. Reverse Engineering Expertise: Delve into the underlying mechanics of web, mobile, and desktop apps to reveal insights on pricing strategies, technical architectures, and feature sets. Browser Automation & Testing: Leverage Selenium, Multilogin, and Puppeteer for efficient automated processes and thorough testing. Diverse Programming Proficiency: Fluent in Python, C, Go, Java, and C# for cross-functional project compatibility. Database Expertise: Design, manage, and maintain both SQL and NoSQL databases. API Integration: Seamlessly connect and interact with various external APIs for expanded functionality. Data Analysis & Manipulation: Analyze large datasets with pandas and numpy to derive meaningful patterns and trends. With a track record of developing scraping solutions for hundreds of unique websites, I bring experience and precision to each project. My clients benefit from my commitment to quality, competitive pricing, and the drive to exceed expectations. Through our collaboration, you can anticipate: - Professional and detail-oriented solutions - Adaptive strategies tailored to your specific data challenges - A steadfast partner invested in your success
    Featured Skill API Development
    Data Extraction
    Django
    FastAPI
    Flask
    ETL
    Reverse Engineering
    Web Scraping
    Web Crawling
    C#
    Data Mining
    Selenium
    Scrapy
    Python
    Data Scraping
  • $60 hourly

    • 5.0/5
    • (7 jobs)
    Hello, I'm Radik, a seasoned full-stack developer with a passion for creating efficient, scalable, and user-friendly solutions. With over 15 years of experience in the IT industry, I've honed my skills in Python, Django, React, and NodeJS, allowing me to build robust web applications that meet your unique needs. I started my journey in the realm of warehouse and wholesale trade automation, which laid the foundation for my problem-solving skills. Since 2012, I've been captivated by the endless possibilities of web development, leading me to specialize in Python and Django 1.2. As technology evolved, so did I, expanding my expertise to include React and NodeJS. One of my notable skills is working with Large Language Models using the Langchain framework. This experience allows me to create intelligent applications that can understand, generate, and translate human-like text, providing a more interactive and personalized user experience. My experience extends beyond just coding. I've implemented numerous APIs for mobile apps and web services, integrated various payment and storage services, and even worked with machine-to-machine protocols (IoT). I've handled concurrency, deferred tasks, multithreading, and asynchronous threads with ease. In the realm of DevOps, I have a strong command of Linux, AWS, and Docker, and I'm also proficient in using GitLab CI/CD, GitHub Actions, and AWS CodePipeline for continuous integration and deployment. I have expertise in deploying serverless applications using AWS Lambda and AWS Fargate, ensuring your applications are scalable, efficient, and cost-effective. Whether you're looking for a developer to build your next big idea from scratch or need someone to enhance your existing application, I'm here to help. Let's create something amazing together!
    Featured Skill API Development
    AWS CodeDeploy
    AWS CloudFront
    API
    Terraform
    AWS Fargate
    AWS Lambda
    Django
    Amazon Web Services
    Python
    PostgreSQL
    Flask
    Node.js
    React
  • $33 hourly

    • 0.0/5
    • (0 jobs)
    Proactive Software Development Engineer boasting years of solid experience in software creation with great attention to details. Skilled in crafting applications from the ground up, from design and implementation to database architecture and business logic. Practiced in Agile methodologies, adept at managing quick releases, backlog grooming, and accurately estimating effort in story points. Committed to delivering outcomes by selecting pragmatic and dependable solutions. Distinguished by exceptional communication abilities.
    Featured Skill API Development
    Windows Server
    ADO.NET
    Agile Software Development
    RabbitMQ
    Windows App Development
    Entity Framework
    SQL
    REST API
    Clean Architecture
    C#
    .NET Framework
    ASP.NET MVC
  • $15 hourly

    • 5.0/5
    • (5 jobs)
    Hello, As a passionate programmer with excellent communication skills, I am highly adept at full stack development of websites and applications. With a keen eye for detail and a love of problem-solving, I thrive in dynamic environments where creativity and innovation are valued. My programming skills are extensive, and I am proficient in a wide range of programming languages, frameworks, and technologies. From front-end design and development using HTML, CSS, and JavaScript, to back-end programming with Java, Java Hibernate or Spring frameworks, I have the knowledge and expertise to develop complex web applications from scratch. In addition to my technical abilities, I also possess excellent communication and interpersonal skills. I am able to effectively communicate complex technical information to both technical and non-technical people, and am skilled at building and maintaining positive relationships with team members and clients alike. Whether I am working on a new project or collaborating with others on an existing one, I am always dedicated to delivering high-quality work that meets or exceeds expectations. With a deep passion for programming and a commitment to excellence, I am eager to tackle new challenges and help bring your ideas to life.
    Featured Skill API Development
    Adobe Illustrator
    GitHub
    JavaScript
    Vue.js
    Adobe Photoshop
    CSS 3
    Hibernate
    Java
    MySQL
    Spring Framework
    HTML
    Git
    Web Development
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    - Building big data solutions and prototyping ambitious experiments using all the technologies required - Prefer simple but reliable solutions instead of over-engineering - Fast learner - Business-first solutions - Regard languages and libraries as instruments although prefer python
    Featured Skill API Development
    Distributed Computing
    Machine Learning
    Big Data
    Solution Architecture
    Product Architecture
    Analytics
    Bot
    AI Bot
    AI Consulting
    Python
    FastAPI
    Flask
    API
  • $35 hourly

    • 5.0/5
    • (13 jobs)
    With my experience as a Drupal Full Stack Developer, I have the tools to deliver top-quality results. I have used JIRA for project management, DDEV for local development, CI/CD pipelines for continuous integration and deployment, GitHub for version control, and a range of Linux stacks including Apache, Nginx, and OpenLiteSpeed for web server needs. My core competencies as a Drupal Full Stack Developer include: - Expertise in developing custom Drupal modules and themes - Proficiency in building and maintaining Drupal websites and web applications - Experience in integrating Drupal with other systems and APIs - Knowledge of designing and implementing Drupal-based solutions for clients - Utilization of front-end technologies such as HTML, CSS, JavaScript, and responsive design in Drupal projects - Development and management of Drupal-based eCommerce solutions using platforms like Drupal Commerce or Ubercart - Contribution to the Drupal community through participation in events, forums, and open-source projects. My expertise also extends to building websites with a component-based approach using popular theming frameworks like Bootstrap and Materialize, as well as custom theming solutions. In summary, my proficiency in Drupal development, coupled with my experience in various tools, expertise in component-based theming, and knowledge of a range of Linux stacks including Apache, Nginx, and OpenLiteSpeed, make me an invaluable addition to any team looking to build scalable and maintainable Drupal websites.
    Featured Skill API Development
    Bootstrap
    Web Development
    CSS
    PHP
    Memcached
    Drupal
    cPanel
    Varnish Cache
    WordPress
    Fedora
    Linux System Administration
    Ubuntu
    CentOS
  • $28 hourly

    • 5.0/5
    • (2 jobs)
    Total 15+ years experience in software development. Wide experience in web services development for enterprise, experience in mobile development, experience in desktop software designing and developing. Experience with required tools and libraries. Experience with decomposion to small testable tasks which increase speed and high quality of development. Experinece with coordinating work of team (up to 7 developers). Experience with participating in creation of terms of reference using ATDD principles. Striving to develop beautiful, maintainable architecture. Implementing elegant and robust solutions that solve complex problems. Committed to professional growth.
    Featured Skill API Development
    SQL
    RESTful Architecture
    Java
    JAXB
  • $15 hourly

    • 5.0/5
    • (1 job)
    I am an experienced back-end web developer with more than 3 years of experience developing software solutions. Building custom web applications and APIs is my expertise. ☑ Broad experience working with Node.js and powerful frameworks like ExpressJS and NestJS. ☑ Experience working with relational databases (MySQL, PostgreSQL, SQL Server) and different ORMs (TypeORM, Prisma, Sequelize) as well as being able to write raw SQL and stored procedures. ☑ Ability to implement different authorization techniques like sessions, JWTs (json web tokens) and SSO (single sign on).
    Featured Skill API Development
    Back-End Development
    CMS Development
    Software
    API Testing
    NestJS
    Web Application
    JavaScript
    JSON
    MySQL
    PostgreSQL
    SQLite
    Web Development
    TypeScript
    Node.js
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    Hi, my name is Stefan. I am owner and software developer at Zerobug Development agency. Mainly I am a Web application and Website developer. I can help you with my team to design, develop and support your web presence or your applications. Reasons to work with me: - I have a lot of experience in developing web applications and websites in technologies like HTML, CSS, JavaScript, Angular, API, C#, MS SQL. - I possess a strong background knowledge in System Administration, where I’ve managed and optimized both physical infrastructure and virtualized environments. - I can provide you full project management from start to finish. - I will always stick to the agreement and deadlines, so work with me will be easy.
    Featured Skill API Development
    Webflow
    Software Development
    Angular
    JavaScript
    CSS
    HTML
    C#
    Microsoft SQL Server
    Desktop Application
    Web Application
    Web Development
  • $20 hourly

    • 4.6/5
    • (41 jobs)
    I am having 11+ yrs of exp. and I am currently working in office 365, Azure, SharePoint 2010/2013 having exp. in SharePoint, Alpha anywhere, SALESFORCE integration, Documentum (trained), K2 Blackperl(trained), asp.net, HTML, JavaScript , Ajax, Web services, Unit Testing, Third Party Controls, TFS, Design Pattern, Application Blocks, Telerik, CSS, Rapid application development, Client interaction certified as MCTS( sharepoint 2010) MCPDEA,MCTS, MCAD, MCP in .net and currently working as Sharepoint Lead Architect in Web, MOSS, fabric.js, html5. I am well versed with all phases of software development lifecycle (analysis, design, development, testing and deployment) Specialties: office 365, AZURE, Sharepoint 2013 workflows, Sharepoint 2010 having exp. in Sharepoint2010, Sharepoint2007, Documentum (trained), K2 Blackperl(trained), asp.net, HTML, JavaScript , fabric.js, konvajs, Ajax, Web services, Unit Testing, Third Party Controls, TFS, Design Pattern, Application Blocks, Telerik, CSS, Client interaction certified as MCTS( sharepoint 2010) MCPDEA,MCTS, MCAD, MCP in .net.
    Featured Skill API Development
    Microsoft SharePoint Administration
    Business Applications Consultation
    C#
    Automated Workflow
    ASP.NET
    JavaScript
    jQuery
    Microsoft SharePoint Development
    Rapid Application Development
    Google Maps API
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