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⭐ Motion-Driven Full-Stack Developer | React, Three.js & Scalable Systems 📍 Open to long-term and high-impact projects 📞 Structured kickoff & clear communication 🧨 Available for immediate project start 👨‍💻 About Me I’m a Full-Stack Developer specializing in motion-driven frontend engineering and scalable backend architecture. My focus is building immersive React interfaces enhanced with advanced animation systems (GSAP, Motion) and 3D technologies (Three.js, React Three Fiber). I create web applications that feel dynamic, polished, and performance-optimized — not static templates. Alongside frontend work, I develop structured backend systems using Node.js and Spring Boot, ensuring clean API architecture and reliable database design. I’ve contributed to: • A nationwide government scholarship platform used by thousands of students • UK & US client branding platforms • Full-stack social and data-driven applications • A hackathon medical geolocation app integrating environmental data 🏆 Highlights • Motion & Interaction Specialist (GSAP, Motion, Framer Motion) • 3D Web Development (Three.js, React Three Fiber) • Full-Stack Application Development (React, Node.js, Spring Boot, Express.js) • REST API Architecture & Database Design • Production-level project experience 💼 Core Skills Frontend: React.js, Angular, JavaScript, TypeScript Three.js, React Three Fiber GSAP, Motion Tailwind CSS, Bootstrap Backend: Node.js, Express Java, Spring Boot Django MongoDB, PostgreSQL Dev & Architecture: REST APIs Authentication systems Docker Performance optimization 💎 What I Build • Interactive and animated landing pages • Immersive 3D web experiences • Full-stack web applications • Startup MVPs • Scalable backend systems I engineer both the logic behind the system and the experience users interact with — ensuring technical reliability and refined UX. 🧰 Services Custom React Applications Three.js / WebGL Experiences Motion & Scroll-Based Animations Full-Stack Web Development Backend API Development Website Redesign with Advanced Motion ✅ Let’s Work If you’re looking for a developer who understands both immersive frontend experiences and structured backend systems, I’d be happy to discuss your project.

🥇BSc in Computer Science, 5+ Years Top Rated, 6 years of experience, 4,400+ Upwork hours, AWS & Azure certified, native English speaker. Professional experience in SaaS, iGaming, DeFi, Fintech, Healthcare and Enterprise Software. 🧠 AI-Expertise ➔ AI systems: RAG pipelines, Recommendation and Prediction systems, Agents, Chatbots and Assistants, LLM integrations, AI Knowledge Bases, Multi-Agent Communication, Model Context Protocol (MCP), A2A architectures. ➔ Data extraction, processing, and mining, feature engineering ➔ Training and evaluating ML models, XGBoost, LightGBM, regression analysis, clustering, neural networks, and probabilistic models (Bayesian Networks). ➔ LLM & AI stack: LangChain, TensorFlow, Python, Numpy, FastAPI, LlamaIndex, Pinecone, Qdrant, Open WebUI, FAISS, Supabase, pgvector, AWS Sagemaker, Bedrock, OpenAI SDK, Claude Code, Perplexity, Cursor. ✅ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱:   ➔ Deep expertise in Next.js, React.js for building high-performance web applications.   ➔ Proficient in Javascript, Typescript, HTML, CSS, SCSS and Tailwind.     ↳ Functional, Pure, Styled Components, Hooks, Contexts.     ↳ Shadcn, Ant-Design and Material-UI for modern interfaces.     ↳ Managing application state with Redux, validation with Yup and Zod.     ↳ Formik, React-Hook-Forms, i18n, Chart.js, Day.js, Reaviz, WebGL and WebGPU.   ➔ API integration and Implementation.   ➔ Strong knowledge of Mobile-first and Responsive Design principles and practices.     ↳ Transforming Figma designs into responsive HTML and CSS pages.   ➔ Unit, Integration and E2E testing using Jest, Playwright, Selenium. ✅ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱   ➔ Strong background in .NET, Node.js, Express.js, GraphQL   ➔ Javascript/Typescript, C#, PHP, Java, Python, Supabase     ↳ Developing APIs to efficiently retrieve and manipulate data     ↳ Database Storage and Management       ↳ MySQL, SQLite, PostgreSQL, MongoDB, Prisma, Atlas     ↳ Experience working with microservices and monolithic architecture.     ↳ Test-driven development (TDD) , Unit and Integration testing Mocha, Chai & Playwright.   ➔ Web Scraping / Data extraction with Requests, Playwright, Beautiful Soup and Selenium. ✔ 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲, 𝗩𝗲𝗿𝘀𝗶𝗼𝗻 𝗖𝗼𝗻𝘁𝗿𝗼𝗹   ➔ Docker, AWS, Azure, Vercel, Heroku, Railway, DigitalOcean, Coolify, Hetzner.   ➔ Git, Github, Gitlab, Bitbucket     ↳ Pull/Merge requests, code reviews, github actions, CI/CD. ✔ Working in Agile environments Scrum, Kanban, Bitbucket, Jira, Plane, Trello, Basecamp, Slack. Let’s turn your ideas into reality!

Klaviyo & WordPress specialist with 11+ years of experience helping US businesses manage their websites, email marketing, and day-to-day digital operations. If you need someone who can actually get things done without constant supervision, I can help. My strongest areas are: • Klaviyo & Email Marketing – campaigns, flows, segmentation, email templates, list management, Shopify/Klaviyo integration and troubleshooting • WordPress – website updates, content changes, maintenance, troubleshooting and basic design modifications • Technical Virtual Assistance – managing digital tasks, email, websites, research, content and marketing operations • Mailchimp & Email Platforms – campaign management, newsletters and integrations • Marketing & Operations – lead/review management, outreach and ongoing administrative support I've completed 35 Upwork projects with a 5.0 rating and have extensive experience working with US-based businesses. I'm comfortable taking ownership of recurring tasks as well as one-time projects. If you already know what needs to be done, send me the details and I can get started quickly.

Hello, my name is Boban, I am 24 years old, Software Engineer with shown knowledge and experience of 3 years. Always eager to upgrade myself each following day even more. Skills: Java • Spring • Quarkus • GraphQL • Rest API • Hibernate • Panache • Flyway • Docker • JUnit testing • Integration testing • OracleDB • PostgreSQL • BIRT reporting • Jenkins • Maven • Jira • Testcontainers • Agile • Scrum • Kanban • Kafka • RabbitMQ • Async API’s • Keycloak • Microservices • Kubernetes • JavaEE • PrimeFaces • Angular I usually strive to tutor the new upcoming generation of programmers here on this platform as well as help them accomplish their tasks Feel free to contact me so we can work together!

I enjoy in mathematical and algorithmic challenges. I have over 20 years experience in tutoring, writing and editing mathematics worksheets, tests, and quizzes. I am familiar with statistics and statistical analysis (SPSS, R). I also have experience in training talented students for programming contests as IOI and competitions in mathematics as IMO.