Hi there 👋 I am a senior full-stack software developer with over 5 years of experience, I am proficient in Java, Golang, TypeScript, React, Vue, Node, MySql, and MongoDB. I strive to write high quality code and build scalable and maintainable infrastructure.🎯 I enjoy contributing to OSS, embarking on new challenges and build awesome projects. Please feel free to contact me.😁

React Developer | Full Stack Developer | React Node - 100+ shipped projects taught me one thing: clients don’t need more code, they need products that load fast, scale safely and make money 👋 Hey, there! My expertise centers around elevating companies and startups with robust, scalable web solutions, leveraging advanced front-end technologies like React and Next.js. Our engineering team is hungry 🍽 to solve your needs through in-time delivery of high-impact tech solutions - whether you need a custom platform ⚙, a revamped UI 🛡, or a powerful enterprise application. React & Full Stack Track Record 10+ Years of Experience as a React Developer & Full Stack Developer |100+ Delivered Projects | 30+ Enterprise Platforms | 20+ High-Load Applications | 25+ eCommerce Solutions Trusted by Founders & Teams ⭐ “We hired CreativeIT because we weren’t happy with our previous developer’s performance. CreativeIT successfully completed a working app.” Dan Douglas, Co-founder, Deep English, USA. ⭐ “We’re very happy with their working methods.” Valery L, CTO, Starly[dot]io, Baltic states. ⭐ “CreativeIT picked up where a previous vendor left off. They looked at the existing code and designs and created a plan for how to move forward.” Elliot Ledley, Project Manager at 2Shoes, USA. ⭐ “CreativeIT’s ability to provide a complete product in a timely fashion was most impressive. In addition, communication was always clear.” Michael Oppel, CFO at Audience Response System, USA. ⭐ “The team's ability to work fast impresses us!”. Director SE, Hospitality & Leisure (Germany). As a react developer ( full stack developer ) working alongside roles like project and delivery manager, full stack web developer, wordpress developer, and full stack developer react specialist, I collaborate closely with stakeholders to bring ideas to life. My portfolio includes enterprise platforms, custom web design solutions, scalable full stack web developer applications, and mobile products where I act as a mobile app developer and react native developer delivering iOS and Android apps. I contribute as a python developer, working with python, fastapi, and backend services, while supporting integrations through stripe and scalable architectures. My experience spans wordpress ecosystems, laravel vue projects, and solutions using ruby on rails, ensuring flexibility across different business needs. Also as an expert full-stack developer I worked with php, laravel, react and web design. Why choose me: ✅ Top Rated on upwork as a React Developer & Full stack developer, delivering high-caliber code alongside strong business expertise. ✅ Proactive, delivery-focused - honoring tight schedules while optimizing for maximum ROI. ✅ Flexible - I collaborate across full stack, web development, website design, ui/ux design, and game developer projects. ✅ Time & Material basis - pay only for productive hours. My strong side as a Full Stack Developer React UI developer 🔥 Front-end: javascript, React, react typescript, angular, vue, redux, zustand, mobx, graphql, html5, css3, material ui, and tailwind css. 🔥 Back-end: node.js, next.js, nest.js, express, fastify, php, laravel vue, ruby on rails, python, and fastapi. 🔥 Databases: postgres, mysql, redis, mongodb. 🔥 Cloud: firebase, docker, aws, and supabase. 🔥 Enterprise: c# azure function app services for scalable backend processing. With 10+ years of experience, my expertise centers around elevating companies and startups with robust, scalable web development solutions, leveraging advanced technologies - React, React TypeScript, Next.js React, and Vue - alongside strong coding practices in JavaScript, PHP, and Python. I also work confidently across React python projects where modern frontend interfaces need to connect with scalable Python-based backends. As a Cursor developer ( full stack cursor, supabase cursor ) specializing in Veeva solutions for museums and art curators, I help bring art and cultural heritage to life through technology. From designing custom apps and digital catalogs to optimizing workflows and preserving collections, I enable art institutions to connect with their audiences in a more interactive, insightful, and efficient way. 🤝 Let's collaborate! Contact me for a project audit, technical consultation, or to develop a roadmap for your project - whether you need a custom platform, sophisticated enterprise application, or a well-designed website. Looking forward to a long-term, win-win partnership. Cheers from Vilnius, Raman

☛I am a full time Web/Front-End/Mobile Developer, boasting over four years of extensive experience in the realm of software development. ➤Proficient in a multitude of technologies and frameworks including : ✓ NextJS, ✓ReactJS ✓Rect Native ✓NodeJS ✓Redux ✓Zustand ✓Formik ✓Docker ✓REST ✓Tailwind ✓Firebase ✓JavaScript ✓CSS ✓HTML5 ✓Git ✓Redux ✓Figma ✓Jira ✓AI ➤I specialize in crafting exceptional web experiences. ➤Additionally, I excel in Mobile development, particularly with React Native, having successfully delivered over ten applications. ☛As a dedicated full-time freelancer, I am committed to collaborating seamlessly within teams and thrive on projects requiring enhancements to existing codebases.

⭐⭐⭐⭐⭐ Whether you’re a founder looking to ensure your Entreprise SSO solution, a startup CTO scaling your backend, or a team launching AI-powered products, I bring the engineering depth to turn your vision into a robust, secure, and high-performance system ready for scale. With over 8 years of experience, I’ve gained strong expertise across multiple areas, including Backend Development, Frontend Development, and DevOps. I bring not only technical depth but also excellent communication and collaboration skills, allowing me to lead and work effectively with diverse teams. I’m committed to resolving your toughest challenges efficiently in these fields: 💻 𝐁𝐀𝐂𝐊-𝐄𝐍𝐃: 𝐉𝐀𝐕𝐀 & 𝐅𝐑𝐀𝐌𝐄𝐖𝐎𝐑𝐊𝐒 • Java 23, Java 21, Java 17 LTS, Java 8+, and Legacy • Spring Boot, Spring Security, JPA, Quarkus, Spring Webflux • REST , SOAP , GraphQL API's 🌐 𝐅𝐑𝐎𝐍𝐓-𝐄𝐍𝐃 • JavaScript • Typescript • Angular • React 💾 𝐀𝐃𝐕𝐀𝐍𝐂𝐄𝐃 𝐂𝐀𝐂𝐇𝐈𝐍𝐆 & 𝐌𝐄𝐒𝐒𝐀𝐆𝐈𝐍𝐆 • Proficient with Kafka, Redis, Spring Integration • Ensuring efficient data management & communication 🔑 𝐒𝐒𝐎 & 𝐈𝐀𝐌 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄: • Providers & Platforms: Keycloak • miniOrange • Azure AD (Entra ID) • ADFS • Active Directory • SharePoint (IdP/SP integration) • Standards & Flows: SAML 2.0 • WS-Fed • OAuth 2.0 • OpenID Connect (OIDC) • MFA • RBAC Core IAM Capabilities: • SSO / Identity Federation: Web, mobile, cloud SSO; custom IdP/SP wiring (SAML/OAuth/OIDC) • Authorization: RBAC for least-privilege access across apps and microservices 🚀 𝐂𝐎𝐍𝐓𝐀𝐈𝐍𝐄𝐑𝐈𝐙𝐀𝐓𝐈𝐎𝐍 & 𝐎𝐑𝐂𝐇𝐄𝐒𝐓𝐑𝐀𝐓𝐈𝐎𝐍 • Adept with Docker, Kubernetes, Kong Gateway • Managing complex deployments & ensuring high availability 📊 𝐃𝐀𝐓𝐀𝐁𝐀𝐒𝐄 • MySQL, Postgres, Oracle, SQL Server, MongoDB , Elasticsearch • Robust data storage solutions 🔧𝐌𝐈𝐂𝐑𝐎𝐒𝐄𝐑𝐕𝐈𝐂𝐄𝐒 & 𝐌𝐎𝐍𝐎𝐋𝐈𝐓𝐇𝐈𝐂 • Extensive experience in architecting and reworking both monolithic and microservices apps • Deep understanding of various development strategies 🛠️ 𝐏𝐑𝐎𝐕𝐄𝐍 𝐓𝐑𝐀𝐂𝐊 𝐑𝐄𝐂𝐎𝐑𝐃 • Designing, developing, and implementing web-based software • Thorough understanding of industry standards & detailed requirement analysis 🔍 𝐂𝐎𝐃𝐄 𝐎𝐏𝐓𝐈𝐌𝐈𝐙𝐀𝐓𝐈𝐎𝐍 & 𝐃𝐄𝐁𝐔𝐆𝐆𝐈𝐍𝐆 • Active in code reviews and debugging • Expert in diagnosing & resolving performance issues, JVM optimizations, and memory management using VisualVM and JProfiler 🌐 𝐃𝐄𝐕𝐎𝐏𝐒 & 𝐂𝐈 • Proficiency with AWS, Jenkins, GitLab pipelines • Seamless navigation and utilization of diverse tech stacks 🤝 𝐀𝐆𝐈𝐋𝐄 𝐂𝐎𝐋𝐋𝐀𝐁𝐎𝐑𝐀𝐓𝐈𝐎𝐍 • Skilled in Agile methodologies, delivering projects within tight deadlines • Strong communication & teamwork, driving project success 📌 Available for hourly, fixed-rate, and ongoing B2B , B2C , SaaS engagements. 🎯 Ready to help secure your platform and streamline your desired workflows today. 🌍 Countries Collaborated With: 🇦🇹 Austria | 🇹🇳 Tunisia | 🇨🇮 Ivory Coast | 🇦🇪 United Arab Emirates | 🇫🇷 France | 🇺🇸 United States | 🇨🇦 Canada | 🇷🇴 Romania | 🇮🇳 India | 🇵🇱 Poland ...

Senior Full-Stack Developer | AI + Automation Services I’m a Senior Full-Stack Developer with 10+ years of experience building scalable, secure, and high-performance web applications. I help businesses develop backend-heavy platforms, real-time systems, and modern React-based web apps from scratch to production. My core services include: • Custom backend development using Node.js & Python • REST & GraphQL API development • Real-time systems with WebSockets • AI integrations for SaaS platforms • Gaming backend systems (leaderboards, player logic, real-time updates) • Crypto & blockchain integrations (wallets, transaction logic) • Payment gateway & third-party API integrations • React.js & Next.js frontend development • Cloud deployment on AWS & DigitalOcean AI & Automation Expertise: • Claude & GPT API integrations for SaaS platforms • AI chatbot & assistant development • Document processing (OCR + LLM pipelines) • RAG-based systems using vector databases (Pinecone, FAISS) • AI workflow automation & multi-step pipelines • Real-time AI features (WebSockets, streaming responses) I focus on building production-grade systems that are scalable, maintainable, and ready for long-term growth. If you're looking for a senior developer who understands complex backend systems, React performance, and gaming/crypto ecosystems, let’s discuss how I can help build your next platform.

🚀 Full-Stack Web Developer & UI/UX Designer | 15+ Years of Proven Experience I’m a Senior Full Stack Developer with 15+ years of experience building scalable web applications, SaaS platforms, and high-performance APIs using PHP (Laravel), React.js, Node.js, and Java. I help startups and businesses turn ideas into fast, secure, and user-friendly digital products—handling everything from UI/UX design to backend development and cloud deployment (AWS & DevOps). I’ve successfully delivered 80+ projects, including web apps, dashboards, enterprise systems, automation tools, and AI-powered applications. 💼 What I Can Do For You ✔ Full Stack Web Development (Frontend + Backend) ✔ SaaS Application Development ✔ REST API Development & Third-Party API Integration ✔ AI Chatbots & Automation ✔ UI/UX Design (Modern, Responsive, User-Focused) ✔ Cloud Deployment & DevOps (AWS, Docker, CI/CD) 🛠️ Tech Stack Frontend: React.js, Next.js, HTML5, CSS3, JavaScript, TypeScript, Tailwind, Bootstrap Backend: Node.js, Express.js, NestJS PHP (Laravel, Symfony, CodeIgniter) Java (Spring Boot, Microservices) Database: MySQL, PostgreSQL, MongoDB, Firebase Cloud & DevOps: AWS (EC2, S3, RDS, Lambda, CloudFront), Docker, Jenkins, GitHub Actions, Nginx API Integration: Stripe, PayPal, Twilio, SendGrid, Google Maps API 🏭 Industry Experience E-commerce • Healthcare • Finance • ERP/CRM • Manufacturing 🌟 Why Clients Choose Me ✅ 15+ Years of Proven Experience ✅ Expert in React.js, Node.js, PHP Laravel, AWS ✅ Clean, Scalable & Maintainable Code ✅ Fast Delivery with Clear Communication ✅ Strong Problem-Solving & Debugging Skills ✅ Reliable & Long-Term Support

With 15 years of full-stack development experience, I work across the complete lifecycle of a product, from initial architecture decisions to deployment and ongoing maintenance. I work with startups building their first product, agencies delivering on behalf of clients, and established businesses improving or scaling existing systems. The context changes, but the standard doesn't. => Technical range: Frontend: React.js, Next.js Backend: Node.js, Laravel, PHP, REST APIs Mobile: React Native, Swift, Java DevOps & Cloud: AWS, Docker, CI/CD pipelines Databases: MySQL, PostgreSQL, MongoDB => AI tools I use in my workflow (as per client preferences): GitHub Copilot: accelerated code completion and boilerplate reduction Cursor: AI-assisted development environment for faster iteration Claude: architecture planning, code review, and documentation ChatGPT: rapid prototyping, debugging support, and technical research I use these tools to move faster without compromising on code quality or structure. What stays consistent across every engagement is clear communication, realistic timelines, and no ambiguity about where a project stands at any given point. 100 Job Success Score - Top Rated Plus for Every project delivered. If you have something you're building or improving, I'm happy to discuss about it. Let's connect. Best

Web developer with 10+ years of professional experience, successfully freelancing for over seven years. I use Python and Django for most of my work. I have also worked extensively with WordPress in the past, though I rarely do so now. Backend work is my primary focus (API, DB, application logic, CI), but I'm also adept at frontend tasks. When it comes to desktop apps, C# is my language of choice for Windows and Java for cross-platform apps. In all of my projects I put code quality very high on my list of priorities, as well as following standards and best practices. "Readability counts"

I’m a highly experienced Java Full Stack Developer with 12+ years in building secure, scalable web and enterprise applications. My expertise spans Java (7–21), Spring Boot, Hibernate, Angular, React, Next.js, REST/GraphQL APIs, and cloud services (AWS EC2, Lambda, RDS, S3, EKS). I’ve delivered solutions across industries like HRMS, eCommerce, Travel, Real Estate, and SaaS, and handled complex integrations with ERPs (NetSuite, SAP), GDS (Amadeus, Sabre), and payment/email/SMS gateways. Whether you need backend architecture, frontend development, API integration, cloud deployment, or end-to-end solutions—I'm ready to deliver clean, reliable, and business-driven code. 📩 Let’s collaborate and bring your vision to life! Languages, Tools and Technologies i've worked since last 12 years. Languages: Java (8–17), JavaScript, TypeScript, HTML5, CSS3, SCSS, SQL, NoSQL, GraphQL, Bash, Shell scripting, XML, JSON, YAML, WSDL, XSD Web Development ------------------- 1. CSS Frameworks: Bootstap, Tailwind. 2. Frontend Frameowrks: Angular (1.x - 17), ReactJS, React, NextJs, RxJs, NgRX, Redux, ExtJs. 3. Frontend UI Component Frameworks: PrimeNG, KendoUI, Quasar. 4. Mobile Frameworks: React Native, Java(MVVM). 5. Desktop Application Frameworks Java Swing, JavaFX 6. Backend technology & Frameowrks: JAVAEE, Struts, Spring, Springboot, Spring Security, Spring MVC, Spring Cloud, NodeJs. 7. Backend Caching Stores: Redis, Memcached 8. Search Framework: Elasticsearch, Apache Solr 9. Queue and Messaging Frameworks ActiveMQ, Kafka, SNS-SQS 10. API Standards and Protocols: Swagger/OpenAPI, GraphQL (basic), WebSocket/STOMP, SOAP, REST, MQTT, COM. 11. ORM Frameworks: JPA, Hibernate, Mybatis. 12. CMS Frameworks: Strapi, Payload. 13. Backend Templating Engines: JSP, JSTL, Thymeleaf, Freemarker, Primefaces. 14. Reporting Tools: Japser Report, Itext, Flying Saucer. 15. Gateway Framework: Zuul, Openresty, AWS API Gateway. 16. Web Servers: Tomcat, NginX, Jboss, Wildfly, Apache Karaf, Apache Httpd, Express. 17. Databases: PostgreSQL, MySQL, MongoDB, Neo4j, Sqlite. 18. Databbase Migration Frameworks: Flyway, Liquibase 19. Build Tools: Git, Gitlab, Bitbucket, Maven, Gradle, Docker, Docker Compose. 20. CI/CD Tools: Jenkins, Gitlab CI, Bamboo. 21. Artifecttory Framework: Nexus, Jfrog Artifactory 22. Container Orcastration tools & Frameworks: AWS EKS & ECS, Kubernetes. 23. Infrastructure Monitoring Tools & Frameworks: Prometheus, Grafana, Loki, Tempo, ELK (Elasticsearch, logstash, kibana) 24. Infrastructure provisioning Frameworks: Terraform 25. Cloud Providers: AWS, GCP, AZURE, HETZNER 26. Testing Frameworks Junit, Selenium, EasyMock, Mockito, HtmlUnitDriver 27. Web Scraping Framework Selenium Headless, HTMLUnitDriver, PhantomJs, Jsoup, Jmeter. 28. Profiling Tools VisualVM, Jprofiler, Yourkit. 29. Security Types & Tools: Password, Basic, Token, OAuth 2.0, SAML(SSO), LDAP, 2FA, Okta One Login, KeyClock 30, Compliances Awareness: GDPR, SOC2, POPIA, PCI-DSS ---------------- 1. Project Tracking Tools: JIRA, Trello, Clickup, Asana, Aiwi Team. 2. IDEs IntelliJ, Eclipse, Netbeans, VisualStudio 3. Cloud Services: AWS EC2, Beanstalk, Lmbda, Cognito, Batch, SNS, SQS, API Gateway, Load Balancer, Code Pipeline, Cloud front, ECR, ECS, EKS, DynamoDB, RDS, CloudWatch, S3. 4. ERPs & Integrations Netsuite, Broadleaf Commerce, Xero, Quickbook, SAP, GDS Systems like (Amadeus, Sabre, Galileo), AeroCRS, Radixx, American Express Virtual Card, Nightsbridge Hotel Supplier, EzShuttle, First Car, AVIS, Europcar, RouteSavvy Route Optimization, Google Maps. 5. SMS & Email Providers Twilio, Clikatell, Sendgrid, ZeptoMail, AWS SES, Custom Sendmail, Dovekot

I help startups and growing businesses design, build, and scale high-performance web and mobile applications—from MVP to production—using modern, reliable technologies and clean architecture. With 5+ years of hands-on experience and a Top Rated Upwork profile with 100% Job Success, I specialize in delivering end-to-end solutions that are maintainable, secure, and aligned with real business goals—not just code. 🔹 What I Can Help You With Full-Stack Web Development: SaaS platforms, dashboards, APIs, and business systems Backend Engineering: Scalable APIs, system design, performance optimization Mobile App Development: Cross-platform apps with React Native AI Integration: Chatbots, automation, recommendations, and AI-powered features Code Refactoring & Optimization: Improve speed, stability, and maintainability 🔹 Core Technologies Frontend: React, Next.js, HTML, CSS, Tailwind, Bootstrap Backend: Node.js, Express, Java (Spring Boot), PHP (Laravel) Mobile: React Native AI & Automation: OpenAI, Hugging Face, NLP workflows Cloud & DevOps: AWS, Linux servers, CI/CD, cPanel 🔹 How I Work Clear and consistent communication Strong focus on clean code and scalable architecture Business-oriented mindset (I think beyond “just development”) Reliable delivery with attention to performance and security I’ve successfully delivered solutions across fintech, e-commerce, content platforms, and education, collaborating with clients to turn complex ideas into practical, user-friendly products. 🔹 Let’s Work Together If you’re looking for a reliable senior full stack developer who can take ownership of your project and deliver real value, feel free to message me. I’m happy to review your requirements, existing code, or product idea and suggest the best way forward.