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🚀 AVAILABLE FOR JAVA / SPRING BOOT | AWS CLOUD ENGAGEMENTS With over 8 years building backend systems as a Senior Java Developer, I solve complex technical challenges across the full stack from microservices to cloud-native infrastructure. Whether it's designing Spring Boot services, architecting AWS environments, or setting up DevOps pipelines, I bring the expertise that every Java Developer must have, combined with the cloud and infrastructure skills that modern systems demand. 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗕𝗮𝗰𝗸𝗴𝗿𝗼𝘂𝗻𝗱: ➡ Over 8 years as a Java Developer in end-to-end software development across the full delivery cycle. ➡ Designing Spring Boot microservices and high-performance Java applications for fintech, healthcare, SaaS, and e-commerce as a Java Backend Develope and now extending that into cloud engineering and DevOps. ➡ AWS Cloud Engineer - EC2, S3, Lambda, SQS, SNS, IAM, API Gateway, CloudFormation. I design and run cloud infrastructure, not just deploy to it. ➡ DevOps & CI/CD - Docker, Kubernetes (K8s), Helm, Terraform, Jenkins, Azure DevOps, OpenShift. Working with both AWS DevOps and Azure DevOps pipelines that ship code reliably. ➡ Network engineering in cloud environments 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 𝗮𝗻𝗱 𝗙𝗼𝗰𝘂𝘀: ➡ Led cross-functional teams as a Senior Java Developer, delivering clean architecture and scalable cloud-connected solutions. ➡ Guided developers in Spring Boot, Java, and React as a lead Java Backend Developer, maintaining enterprise-grade quality standards. ➡ Consistently raised team output by implementing the best practices any Senior Java Developer is expected to own. 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 As a Java Backend Developer I work with: ✅ Languages: Java, Java 8, Java 11, Java SE, Java EE, JavaFX, SQL, JSON, XML, YAML, Python ✅ Frameworks: Spring (Spring Boot, Spring MVC, Spring Data, Spring Cloud, Spring Security, Spring AOP, Spring Batch, Spring WebFlux), Hibernate, JPA, Quarkus, React, Node.js As a Senior Java Developer, I use these to build enterprise applications that are maintainable, scalable, and secure. 𝐂𝐥𝐨𝐮𝐝, 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 ✅ AWS Cloud Engineer: EC2, S3, SQS, SNS, Lambda, IAM, RDS, API Gateway, CloudWatch, CloudFormation ✅ Azure Cloud Engineer: Azure DevOps, Azure Kubernetes Service ✅ Google Cloud Engineer: GCP core services ✅ Kubernetes, Helm, Docker, Terraform, Jenkins, Maven, Gradle, Git (GitLab, Bitbucket) ✅ AWS DevOps & Azure DevOps pipelines, OpenShift, Infrastructure as Code 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 & 𝐌𝐞𝐬𝐬𝐚𝐠𝐢𝐧𝐠 ✅ MySQL, PostgreSQL, MongoDB, Redis, DynamoDB ✅ Kafka, RabbitMQ, REST APIs, SOAP, gRPC, WebSockets 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐚𝐥 𝐏𝐚𝐭𝐭𝐞𝐫𝐧𝐬 & 𝐏𝐫𝐢𝐧𝐜𝐢𝐩𝐥𝐞𝐬 ✅ Architectures: Microservices, Event-driven, SOA, Monoliths ✅ Patterns: CQRS, Saga, Circuit Breakers, Service Discovery, Distributed Systems ✅ Principles: SOLID, Clean Code, Domain-Driven Design (DDD) A Java Developer must master these to deliver systems that scale that's what I build every day. 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 ✅ Testing: JUnit, Mockito, TestNG, Unit & Integration Testing ✅ Methodologies: Agile (Scrum, Kanban), TDD, BDD ✅ Version Control: Git, GitLab, Bitbucket My workflow as a Senior Java Developer runs on Agile principles and a test-first mindset, producing applications that are production-ready from day one. 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐀𝐜𝐭𝐢𝐯𝐢𝐭𝐲 Backend development • Full-stack development with Spring Boot + React • AWS cloud engineering • Azure cloud engineering • Google cloud engineering • DevOps & CI/CD • Network engineering • API integration • Cloud-native applications • SaaS platforms • Android Java development As a Senior Java Developer and aws cloud engineer, I cover the full path from backend code to cloud deployment. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 During my career as a Java Backend Developer I've worked across: Fintech • Healthcare • E-commerce • Enterprise Applications • Cloud Computing • Telecommunications • Logistics • Travel & Hospitality • Media • Automotive • Blockchain • IoT • SaaS • Retail 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬 & 𝐑𝐨𝐥𝐞𝐬 ✔ Senior Java Developer ✔ Java Spring Boot Developer ✔ Java Backend Developer ✔ AWS Cloud Engineer / AWS DevOps Engineer ✔ Azure Cloud Engineer / Azure DevOps ✔ Google Cloud Engineer ✔ Kubernetes & Network Engineer ✔ API Developer ✔ Full-Stack Developer (Spring Boot + React) ✔ Android Java App Developer 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 ✔ Java Development Services ✔ Spring Boot Microservices Development ✔ AWS Cloud Engineering & Migration ✔ AWS DevOps / Azure DevOps Pipeline Setup ✔ Kubernetes Cluster Management ✔ Infrastructure as Code (Terraform) ✔ API & System Integration ✔ SaaS Application Development ✔ Android Java App Development ✔ Performance Tuning & Code Reviews 👉 Need a Java Developer who writes clean code and ships it to the cloud? Just drop me a message

Mobile Expert Moving a business idea from concept to a high-load production environment requires more than just coding - it requires a seamless fusion of design and engineering. I provide a comprehensive product-building experience. My team and I don’t just build apps; we craft high-performance digital products specializing in GPS Navigation, Wellness, and Sport Tech. What I bring to your project: - User-Centric UI/UX Design: We don't just "design UI." We build intuitive user journeys, high-fidelity prototypes, and data-driven interfaces that keep users engaged in Health & Fitness ecosystems. - Full-Cycle Delivery: From seamless Flutter/Native interfaces to robust Java/Quarkus microservices and Kafka event-driven architectures. - Domain Expertise: Deep understanding of the specific challenges in Health & Fitness tech (data sync, wearables, GPS tracking). - Architectural Excellence: I ensure your application is built for 100k+ concurrent users from day one. - Business-Centric Approach: I focus on ROI, time-to-market, and scalable code that doesn’t require a complete rewrite in 6 months. - Core Expertise for Your Success: - Mobile: Flutter, Kotlin (Android), Swift (iOS). - Backend & Systems: Java 17, Spring Boot, Quarkus, Kafka (Real-time data). - Architecture: RESTful APIs, Microservices, Event-Driven Design. I am happy to discuss our approach and how my team and I can accelerate your roadmap. Let’s build something extraordinary together.

📢 Available for new projects 📢 I'm a Senior Java Developer with more than 10 years of commercial experience building stable, scalable, and secure backend systems. I specialize in Spring Boot microservices and cloud-native architecture — and I've shipped production systems in Fintech, EdTech, Healthcare, Retail, Hospitality, etc. My core strength is backend architecture: clean APIs, event-driven systems, and services that scale. I also work across the full stack development when needed — React on the frontend, Node.js for integrations, and AWS for deployment and infrastructure. What I bring to your project: - Production-grade Spring Boot microservices and REST APIs - Cloud infrastructure on AWS with Docker and CI/CD pipelines - Full-stack capability: Java backend + React frontend - Relational and NoSQL databases: PostgreSQL, MySQL, MongoDB - Clean, maintainable code with TDD and Agile workflows I've worked on SaaS platforms, enterprise systems, and MVPs — from initial architecture through to deployment. Go-To Stack: Java (Spring Boot, Spring Cloud, Hibernate) · React · Node.js · AWS · Docker · PostgreSQL · MongoDB · Jenkins · GitFlow Ready to start - just drop me a message and we will start working!

I'm in java since 2009 I'm experienced design and developing applications based on java technology stack. Architectural approaches: - Monolith - SOA - Microservices Web services: RESTful, SOAP DataBases: Oracle, MySQL, MongoDB My roles in projects: - designing architecture - choosing technological stack - developing application - writing unit and integration test Preferable cloud provider: - AWS: S3 , EC2 , CDN, Lambda - Azure Java frameworks: - Spring (Spring Boot, Spring Cloud, etc) - Vert.X PDF Generators: iText, Freemarker Blockchain: web3j

🔥Your Webflow website shouldn’t just look good — it should convert. I build 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗶𝗻𝗴 𝗪𝗲𝗯𝗳𝗹𝗼𝘄 𝘄𝗲𝗯𝘀𝗶𝘁𝗲𝘀, that help startups, SaaS, and businesses turn visitors into clients. 𝗪𝗶𝘁𝗵 𝗮 𝟳 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗮𝗻𝗱 𝘀𝘁𝗿𝗼𝗻𝗴 𝗺𝗶𝘅 𝗼𝗳 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗮𝗻𝗱 𝗨𝗜/𝗨𝗫 𝘁𝗵𝗶𝗻𝗸𝗶𝗻𝗴, I create websites that not only look professional, but also make content easier to manage, improve user experience, and support real business goals. 𝗠𝗬 𝗪𝗘𝗕𝗙𝗟𝗢𝗪 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦: ✅ Custom Webflow websites (from scratch) ✅ Figma to Webflow (pixel-perfect) ✅Webflow template customization ✅ Webflow CMS setup & structure ✅ Landing pages that convert ✅ Website redesigns (modern & clean) ✅ Responsive & mobile-first development ✅ Performance & UX optimization ✅ Ongoing Webflow support 💎𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗧𝗡𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘 - I help founders, startups, and growing businesses design and build websites that attract, engage, and convert users. - My focus is high-performance websites built with Webflow, powered by strategic UI/UX design, clean CMS architecture, and conversion-focused layouts. - I combine design thinking + no-code development + SEO-ready structure to turn underperforming websites into scalable business assets. 🎯𝗪𝗛𝗢 𝗜 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 • Startups building MVPs & investor-ready Webflow websites • Founders & solopreneurs launching personal brands & landing pages • SaaS companies improving conversion & user experience • Agencies outsourcing Webflow development • Growing businesses redesigning or scaling their Webflow sites 💼𝗔𝗕𝗢𝗨𝗧 𝗠𝗘 🌍 400+ websites designed & developed 🎨 7+ years in UI/UX & web design 🧩 Webflow, WordPress & Framer expert 📐 Figma-first design workflow 📈 Average +35–90% conversion lift after redesigns 👥 Clients across US, EU, UK, Canada & Australia ⚡ Fast, clean, scalable CMS builds 🕒 Clear communication & on-time delivery 💡𝗣𝗥𝗢𝗖𝗘𝗦𝗦 1️⃣ UX research & project goals alignment 2️⃣ Wireframes & UI design in Figma 3️⃣ Conversion-focused layout & content structure 4️⃣ Clean, scalable Webflow development 5️⃣ CMS setup, SEO basics & performance optimization 6️⃣ Launch & ongoing support 𝗘𝘃𝗲𝗿𝘆 𝘀𝘁𝗲𝗽 𝗶𝘀 𝗯𝘂𝗶𝗹𝘁 𝘁𝗼 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 𝗿𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗼𝘂𝘁𝗰𝗼𝗺𝗲𝘀, 𝗻𝗼𝘁 𝗷𝘂𝘀𝘁 𝘃𝗶𝘀𝘂𝗮𝗹𝘀. 🚀𝗟𝗘𝗧'𝗦 𝗕𝗨𝗜𝗟𝗗 𝗔 𝗪𝗘𝗕𝗦𝗜𝗧𝗘 𝗧𝗛𝗔𝗧 𝗪𝗢𝗥𝗞𝗦 Message me to discuss your project I help businesses launch faster, convert better, and scale confidently Limited slots available — quality over quantity ⚡If you're looking for a reliable Webflow developer who focuses on results — feel free to reach out. 𝗟𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝘁𝗵𝗮𝘁 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝘄𝗼𝗿𝗸𝘀. 📚𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 & 𝗞𝗘𝗬𝗪𝗢𝗥𝗗𝗦 Webflow Developer, Webflow CMS, Figma to Webflow, Landing Pages, Website Redesign, Responsive Web Design, CMS Development, Webflow Animations, Interaction Design, Conversion-Focused Design, SEO-Friendly Websites, Performance Optimization, No-Code Development, Front-End Development

🟢 Looking for a developer who can boost your business processes using AI? 🟢 Hi, I’m Vitaliy, Top Rated Plus Python Developer and Automation Expert at DataOx with 10+ years of experience in Python and Java backend development, AI-powered automation platforms, LLM integrations, and large-scale data systems. For 8 years on Upwork I’ve completed numerous projects, maintaining a 97% Job Success score, delivering production-ready systems, AI agents, workflow automation solutions, data pipelines, and intelligent backend architectures that help companies reduce manual work, process high volumes of data, and scale operations efficiently. ⭐️⭐️⭐️⭐️⭐️ "The team is extremely efficient, creative, communicative, and flexible. They are excellent at bringing ideas and concepts to life. Our team has worked with other developers in the past, and no one compares to these guys. Do yourself a favor and hire them for your project." What I can help you with: • Web scraping & data extraction (complex, dynamic websites, anti-bot bypass) • API development & integrations (REST APIs, third-party services) • Workflow automation, RPA & backend systems • AI solutions: AI Chatbots, AI Agents & AI Automation for business workflows, LLMs, NLP, bots, intelligent processing • ETL pipelines & data engineering • System integration & custom tools • Python and Java backend, Web Applications & SaaS platforms My Technical Stack AI & LLM Systems: OpenAI API, LangChain, PyTorch, TensorFlow, LLM integration, RAG pipelines, multi-agent workflows, prompt engineering & optimization, AI chatbot backends Backend & Automation: Python, Java, FastAPI, Flask, Django, Spring Boot, REST APIs, Playwright, Selenium, Scrapy, BeautifulSoup Frontend: JavaScript, TypeScript, ReactJS, Next.js, Tailwind CSS Data & Infrastructure: Pandas, SQLAlchemy, PostgreSQL, MongoDB, BigQuery, Airflow, Docker, Kubernetes, AWS, GCP, Azure My Results in Numbers: 🔶 AI Recruitment Platform: Built AI hiring platform with 900K+ candidates, 20K jobs, 2.5K companies, 120K assessments/year, 20K video interviews, 680K candidates via integrations. 🔶 Global Certification Data Platform: Automated aggregation of 500K+ records/month, reducing search time from days to 15–30 minutes and accelerating deal cycles by 3-5x. 🔶 AI Document Intelligence System: Processed 1M+ documents/year with LLM, achieving 90%+ extraction accuracy, reducing manual work by 80%, handling 50+ document types, and scaling to 10K+ documents/day with automated validation Why Clients Choose Me Experience: 10+ years in backend engineering, Python development, Java Development and scalable AI systems Proven Quality: 97% Job Success Score and Top Rated Plus on Upwork Expertise: AI automation, LLM integrations, workflow automation, and production-ready backend architectures 📩 Send me your project requirements, and I’ll provide a clear, high-impact strategy to turn your vision into reality.