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I build SaaS products that work well and look great, and I've been doing it for 6 years. I build complete products — backend, frontend, and everything in between — for medium-sized businesses that need software that works reliably and looks professional. SaaS platforms, subscription billing, role-based systems, real-time features, clean dashboards. I combine technical execution with design sensibility: the apps I build don't just function well, they feel right to use. End-to-end ownership, tight deadlines, quality results. Let's build something.

$1M+ earned on Upwork, placing me among a very small percentage of freelancers on the platform. 👋 I'm a veteran full stack developer, full stack javascript developer, React Developer, Node Developer, and web developer with 25+ years of experience building scalable, high-performance web applications, SaaS platforms, automation systems, and enterprise-grade JavaScript solutions using Node.js, React, React.js, Vue.js, Angular, NestJS, Next.js, and TypeScript. As a senior react developer, react.js developer, node developer, node.js developer, backend developer, and javascript developer, I specialize in architecting modern frontend and backend ecosystems - from blazing-fast UI systems and real-time dashboards to scalable APIs, browser automation, cloud-native infrastructure, and AI-powered workflows. Over the years, I’ve successfully delivered 700+ projects across SaaS, eCommerce, Fintech, Web-to-Print, EdTech, Healthcare, CRM, AI automation, marketplaces, enterprise platforms, analytics systems, and business automation products. Whether you need a react.js developer for a complex SPA, a node.js developer for scalable APIs, a full stack developer for an end-to-end SaaS platform, a react native integration expert, or a web developer to modernize legacy systems - I build production-ready solutions designed for scalability, maintainability, and performance. 🏆 Why Clients Work With Me ✔️ 25+ years as a full stack developer, javascript developer & web developer ✔️ 700+ full stack JavaScript, React, Node.js & web development projects delivered ✔️ Expert react developer, react.js developer, node developer & backend developer ✔️ Built scalable systems handling 10M+ API requests/month ✔️ 30+ high-performance apps scoring 90–100 on Lighthouse audits ✔️ Extensive experience with SaaS, CRM systems, AI integrations & automation ✔️ Advanced serverless architecture using AWS Lambda, EventBridge & WebSockets ✔️ CI/CD pipelines and monorepo architectures accelerating delivery by 2x ✔️ Production experience across startups, enterprise platforms & scaling products ⚡ Front-End / React Expertise • React 18, React.js, Vue.js, Angular, Next.js 14+, TypeScript • SSR, ISR, SPA & PWA development • TailwindCSS, Material UI, SCSS, Bootstrap responsive UI systems • Mobile-first interfaces & scalable UI architectures • React micro frontends using Nx, Turborepo & Module Federation • Storybook, reusable component libraries & design systems • Real-time dashboards, analytics systems & live data visualizations • react native integration experience for cross-platform ecosystems 🔌 Backend / Node.js Expertise • Node.js 20+, NestJS, Express, Koa, Hapi • REST API & GraphQL development • JWT/OAuth authentication, RBAC & secure API systems • Redis, Kafka, WebSockets & Socket IO real-time infrastructure • Queue systems with BullMQ, SQS & distributed workers • Microservices & event-driven backend architecture • AWS Lambda, Step Functions & serverless infrastructure • OpenAI API, Dialogflow & AI automation workflows • Scalable backend systems for SaaS, marketplaces & analytics platforms 📦 DevOps & Cloud Infrastructure • Docker, AWS, CloudFront, S3, Vercel, Firebase • GitHub Actions, GitLab CI/CD & Bitbucket Pipelines • Nx monorepos, Turborepo & scalable deployment workflows • AWS CDK & infrastructure-as-code systems • Sentry, DataDog & ELK Stack monitoring • Performance optimization, Redis caching & cloud cost reduction 📊 Database & Performance Engineering • PostgreSQL, MongoDB, MySQL, DynamoDB, Firebase, Redis • Prisma, Sequelize, TypeORM, Mongoose • Backend optimization improving performance by up to 50% • ETL systems, analytics pipelines & event aggregation platforms • Query optimization & scalable database architectures 🌍 Industries & Product Experience • SaaS Platforms & Startup MVPs • AI-Powered Products & Automation Systems • eCommerce & Marketplace Platforms • Fintech & CRM Systems • Healthcare & Real Estate Platforms • EdTech & LMS Development • Marketing Automation & Analytics Dashboards • Enterprise Web Applications & Business Tools ⚙️ Core Stack & Technologies • JavaScript, TypeScript, HTML5, CSS3 • React, React.js, Vue.js, Angular, Next.js • Node.js, NestJS, Express, Serverless Framework • PostgreSQL, MongoDB, MySQL, Redis • AWS, Docker, Firebase, Vercel • Puppeteer, Playwright & browser automation systems • Stripe, OpenAI API, SendGrid, Pandadoc integrations ✅ Let’s Build Your Full Stack JavaScript Platform If you’re looking for a senior full stack developer, react developer, node.js developer, backend developer, javascript developer, or web developer who understands scalable engineering and product strategy - let’s talk. 📩 Message me to discuss your SaaS platform, AI system, automation workflow, web application, marketplace, CRM, or next-gen product. ----------------

I am Aleksandra, leading a team of experienced full-stack developers specializing in AI-driven applications. We design and develop modern, scalable web and mobile solutions that integrate artificial intelligence, automation, and cloud technologies to optimize business operations. With over 20+ years of collective experience, we have worked with startups and enterprises across industries like FinTech, Healthcare, eCommerce, and SaaS. Our expertise spans the entire development cycle, from initial concept and UI/UX design to backend architecture, AI integration, SRE (Site Reliability Engineering), and cloud deployment. 🏆 194+ successful projects completed on Upwork with global clients 💲 $5M+ earned on Upwork through high-impact full-stack and AI solutions ⏱ 55,121+ hours billed, proving long-term client trust and engagement 💼 600+ total projects delivered since 2000 across AI, web, and mobile 📚 100% of developers hold engineering degrees, ensuring expert-level technical depth 👩‍💻 Advanced AI team includes Kaggle competition masters and top ML researchers 📊 91%+ job success rate, reflecting top-tier performance and consistency 🚀 25+ AI-driven apps deployed in FinTech, EdTech, and HealthTech 🧠 30+ machine learning models built and optimized for live environments 🌎 20+ industries served, from startups to Fortune 500 clients 🧱 Founded in 2000, bringing 24+ years of experience in software innovation 🛠 40+ React + Python full-stack solutions developed for scalable applications ⚡ High-load systems deployed to serve thousands of concurrent users 📈 Client ROI increased by up to 70% in AI automation projects 💬 Featured in Forbes, MBN Magazine, and Helsinki Times for client success stories Expertise: Full-stack development for web and mobile applications AI-powered solutions, including computer vision, natural language processing, and predictive analytics Scalable cloud architecture using AWS, Google Cloud, and Azure Real-time data processing and AI-driven automation Platform Engineering and Infrastructure as Code (IaC) GitOps workflows and CI/CD pipeline optimization API development and third-party service integrations Performance optimisation for high-traffic applications FinOps and cloud cost optimisation Secure and accessible web applications with SEO best practices Technology Stack: Frontend: React.js, Next.js, Vue.js, TypeScript Backend: Node.js, Python (FastAPI, Django, Flask), Golang AI & Machine Learning: TensorFlow, PyTorch, OpenAI API, Hugging Face, LLMOps Databases: PostgreSQL, MongoDB, Redis, Firebase Cloud & DevOps: AWS (Lambda, S3, DynamoDB, EC2), Docker, Kubernetes, Terraform, Helm, ArgoCD, GitHub Actions, GitLab CI/CD, Ansible, Prometheus, Grafana, ELK Stack Tools & Platforms: Figma for UI/UX, Miro for user flow mapping, Webflow for no-code development Why Work With Us? We focus on delivering intelligent, future-proof applications that drive business growth. Our team ensures seamless collaboration, clean code, and scalable architecture that adapts to evolving needs. We are committed to clear communication, efficient execution, and long-term support. If you are looking for a team that can build and scale AI-powered applications with a strong full-stack foundation, let's discuss your project. 🔑 Keywords to find me: AI Developer | Full-Stack Developer | AI Applications | React Developer | Node.js Developer | Python Developer | AI Integration | SaaS Developer | Web App Developer | Mobile App Developer | Scalable Applications | AI-Powered Software | Computer Vision | NLP Engineer | Machine Learning Engineer | Backend Developer | Frontend Developer | Cloud Developer | Automation Engineer | Cloud Architect | GCP | AWS | Azure | TensorFlow | PyTorch | OpenAI | Hugging Face | FastAPI | Django Developer | Flask Developer | Golang Developer | MLOps | LLMOps | DevOps | SRE | Site Reliability Engineer | Platform Engineer | Kubernetes | Docker | Helm | ArgoCD | Terraform | Infrastructure as Code | IaC | GitOps | CI/CD | GitHub Actions | GitLab CI/CD | Jenkins | Ansible | Prometheus | Grafana | Datadog | ELK Stack | DevSecOps | FinOps | AIOps | Observability | Monitoring | Service Mesh | Istio | Crossplane | OpenTelemetry | HashiCorp Vault | Multi-Cloud | Serverless | Figma | Webflow | Miro | Firebase Developer | MongoDB Developer | PostgreSQL | Redis | REST API Developer | API Integration | Predictive Analytics | AI in FinTech | AI in Healthcare | AI in eCommerce | SaaS Application | Intelligent Automation | Real-Time Data Processing | Cross-Platform Developer | SEO-Friendly Development | Secure Web Applications | Scalable Web Architecture | UI/UX Focused Developer | AI SaaS Developer | AI-Powered Mobile Apps | Full-Cycle Development | AI Solutions for Business | Enterprise Software | Startup MVP Development | AI Team Lead | Cloud-Native Applications | Serverless Architecture | AI-Driven Optimization | AI Workflow Automation | Real-Time AI Solutions | AI-Enhanced UX | AI Web App | AI-Powered Dash

🚨Are you looking for a seasoned Full Stack Developer 🌟 who can transform your vision into a high-performance digital product❓Look no further❗️With over 𝟵 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 🏆 I specialize in building robust 🦾 scalable 🚀 and intuitive web applications using the latest technologies like 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗮𝗻𝗱 𝗡𝗼𝗱𝗲.𝗷𝘀 🔥🔥🔥 ⛑ 𝗪𝗛𝗬 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘? 🚀 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗔𝗰𝗿𝗼𝘀𝘀 𝘁𝗵𝗲 𝗦𝘁𝗮𝗰𝗸: Whether it's front-end magic with 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀/𝗔𝗻𝗴𝘂𝗹𝗮𝗿 or back-end power with 𝗡𝗼𝗱𝗲.𝗷𝘀, I've mastered the full stack. I ensure seamless integration, clean code, and efficient solutions that meet your business goals 🏆 🌟 𝗧𝗮𝗶𝗹𝗼𝗿𝗲𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: I believe in a user-centric approach, tailoring every project to meet your unique needs. From dynamic single-page applications to complex enterprise systems, I deliver solutions that drive success 👑 💪 𝗔𝗴𝗶𝗹𝗲 𝗮𝗻𝗱 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝘃𝗲: I thrive in agile environments, working closely with clients to ensure their vision is realized at every stage. Transparent communication, iterative progress, and on-time delivery are my top priorities ⏱ ⛑ 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗮𝗻𝗱 𝗦𝗰𝗮𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: I build with the future in mind, ensuring your applications are not only fast and responsive but also scalable and maintainable. I'm committed to delivering quality that stands the test of time 🏄‍♀️ 🆕 𝗖𝘂𝘁𝘁𝗶𝗻𝗴-𝗘𝗱𝗴𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: Staying updated with the latest trends and technologies is key. I constantly refine my skills to leverage the best tools and practices in the industry, including TypeScript, Express, MongoDB, AWS, and more ⚜️ 🏆 𝗠𝘆 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹𝘀 𝗜𝗻𝗰𝗹𝘂𝗱𝗲: 🏆 ✅ 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱: React.js, Angular, Redux, HTML5, CSS3, SASS, Bootstrap, Material UI ✅ 𝗕𝗮𝗰𝗸-𝗘𝗻𝗱: Node.js, Express.js, RESTful APIs, GraphQL ✅ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: MongoDB, MySQL, PostgreSQL ✅ 𝗗𝗲𝘃𝗢𝗽𝘀: Docker, Kubernetes, CI/CD Pipelines, AWS, Azure ✅ 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Jest, Mocha, Chai, Cypress 💫 𝕎𝕙𝕒𝕥 𝕄𝕪 ℂ𝕝𝕚𝕖𝕟𝕥𝕤 𝕊𝕒𝕪: 💫 💬 "𝘈𝘯 𝘦𝘹𝘤𝘦𝘱𝘵𝘪𝘰𝘯𝘢𝘭 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘦𝘳 𝘸𝘩𝘰 𝘤𝘰𝘯𝘴𝘪𝘴𝘵𝘦𝘯𝘵𝘭𝘺 𝘥𝘦𝘭𝘪𝘷𝘦𝘳𝘴 𝘩𝘪𝘨𝘩-𝘲𝘶𝘢𝘭𝘪𝘵𝘺 𝘸𝘰𝘳𝘬. 𝘏𝘪𝘴 𝘢𝘣𝘪𝘭𝘪𝘵𝘺 𝘵𝘰 𝘩𝘢𝘯𝘥𝘭𝘦 𝘤𝘰𝘮𝘱𝘭𝘦𝘹 𝘵𝘢𝘴𝘬𝘴 𝘸𝘪𝘵𝘩 𝘦𝘢𝘴𝘦 𝘪𝘴 𝘪𝘮𝘱𝘳𝘦𝘴𝘴𝘪𝘷𝘦." 💬 "𝘌𝘧𝘧𝘪𝘤𝘪𝘦𝘯𝘵, 𝘳𝘦𝘭𝘪𝘢𝘣𝘭𝘦, 𝘢𝘯𝘥 𝘢 𝘵𝘳𝘶𝘦 𝘦𝘹𝘱𝘦𝘳𝘵 𝘪𝘯 𝘧𝘶𝘭𝘭-𝘴𝘵𝘢𝘤𝘬 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘮𝘦𝘯𝘵. 𝘛𝘩𝘦 𝘱𝘳𝘰𝘫𝘦𝘤𝘵 𝘦𝘹𝘤𝘦𝘦𝘥𝘦𝘥 𝘰𝘶𝘳 𝘦𝘹𝘱𝘦𝘤𝘵𝘢𝘵𝘪𝘰𝘯𝘴." 🚀 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗕𝗿𝗶𝗻𝗴 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝘁𝗼 𝗟𝗶𝗳𝗲? 🚀 Let’s collaborate to build something extraordinary! Whether you need a new web application, a feature upgrade, or technical consultation, I'm here to help. Drop me a message, and let's discuss how we can achieve your goals together 🚀🚀🚀 KEYWORDS: Full-stack development | fullstack developer | web development | React.js | Angular | Node.js | JavaScript | HTML5 | CSS3 | TypeScript | front-end development | frontend developer | back-end development | backend developer | MongoDB | MySQL | PostgreSQL | Express.js | RESTful APIs | GraphQL | Bootstrap | Material UI | SASS | LESS | Redux | Docker | Kubernetes | CI/CD pipelines | AWS | Azure | Firebase | Git | GitHub | Bitbucket | DevOps | Agile development | Scrum | responsive design | single-page applications | SPAs | web apps | cross-browser compatibility | performance optimization | web security | authentication | authorization | JWT | OAuth | JSON | AJAX | WebSockets | API integration | microservices | serverless architecture | cloud computing | MVC architecture | database design | NoSQL | SQL | data modeling | TDD | unit testing | integration testing | Jest | Mocha | Chai | Cypress | Selenium | continuous integration | continuous deployment | code review | code quality | design patterns | MVC | MVVM | version control | object-oriented programming | OOP | functional programming | ES6+ | npm | yarn | package management | web components | PWA | progressive web apps | mobile-first design | UI/UX design | wireframing | prototyping | REST architecture | SOAP | XML | Redux-Saga | Next.js | Nuxt.js | Angular CLI | React Router | server-side rendering | SSR | client-side rendering | CSR | SEO optimization | Webpack | Babel | Gulp | Grunt | software architecture | system design | debugging | troubleshooting | web accessibility | ADA compliance | node js developer | react js node js | node js angular | mongodb node js | backend nodejs | backend nodejs | nodejs developer | react nodejs | nodejs mongodb | typescript nodejs | node.js developer | react.js node.js | backend node.js | node.js aws | vue.js node.js | backend nodejs | react | react developer | react native | react native mobile | react typescript | beta reader | reactjs | reactjs redux | reactjs developer | reactjs typescript | react.js | react.js node.js | react.js developer

Hello! I’m a Senior Full-Stack & AI Solutions Architect with 20+ years of experience in building high-impact digital products for startups, enterprises, and fast-growing SaaS companies. As the CEO of Anadea, a European software development company with 100+ engineers, I personally lead AI transformation projects and help teams ship clean, scalable, and business-driven solutions - fast and efficiently. 🚀 What I do best I help companies turn complex ideas into working, profitable software. Over the years I've led and delivered projects in: AI-powered SaaS platforms Custom CRMs, ERPs, enterprise-grade systems Real estate platforms & marketplaces E-learning & digital training systems E-commerce, booking platforms & multi-tenant solutions MVPs built from scratch with rapid iteration cycles My role blends deep technical expertise, system thinking, and strategic product guidance - ensuring every feature solves a real business problem. 🔥 AI Development & Automation Expertise I specialize in designing and integrating AI across existing and new products: 🔸 Custom AI chatbots & assistants (RAG, LangChain, multi-step reasoning) 🔸 Semantic search, document processing, voice interfaces 🔸 AI-driven workflows for customer support, onboarding, analytics 🔸 Intelligent automation & process optimization for SaaS workflows 🔸 AI-augmented full-stack apps (React/Next + Node/Nest + Python) I oversee AI solutions from architecture → prototyping → production, ensuring reliability, cost-efficiency, and high-quality results. 💡 AI Tools & Modern Engineering Stack Actively working with: ✔️ Botpress, Bolt.new, Lovable, Cursor ✔️ Deepgram, ElevenLabs, Whisper ✔️ LangChain, RAG pipelines, vector databases ✔️ AWS / GCP / Vercel / Supabase deployments ✔️ React, Next.js, Vue, Node.js, NestJS, Python, FastAPI ✔️ PostgreSQL, Redis, MongoDB, cloud-native architectures 🧠 Engineering Leadership & Product Delivery With my team, we provide end-to-end development: Business analysis & product strategy UI/UX (research → wireframes → high-end design) Full-stack development AI integration QA & automation Long-term support & scaling We’ve delivered 300+ digital products across 40+ industries, including fintech, real estate, logistics, education, healthcare, and enterprise systems. 🏆 Track Record ✔️ 15+ years in full-cycle software engineering ✔️ 100+ engineers in the team (AI, web, mobile, QA, DevOps) ✔️ 250+ completed web & mobile projects ✔️ Trusted by global clients in the US, EU, UK, UAE, Canada ✔️ Featured in Clutch as a top-rated software development company ✔️ Expertise in SaaS, CRM, ERP, AI agents, marketplaces & large platforms 🎯 What clients appreciate Clear communication Fast execution & strategic thinking Reliable delivery with predictable timelines Practical, not overcomplicated solutions Focus on business value, not just code 🤖 AI Development & Automation 🔹 Custom AI Chatbots · GPT-based Agents · Autonomous Agents 🔹 RAG · LangChain · Vector Databases (Pinecone, Weaviate) 🔹 AI Assistants · Multi-step Prompt Chains · LLM Orchestration 🔹 Document Understanding · OCR · NLP Pipelines · Semantic Search 🔹 Speech AI · Voice Interfaces (Whisper, Deepgram, ElevenLabs) 🔹 Predictive Analytics · Forecasting Models · Recommendation Engines 🔹 Workflow Automation · AI Process Optimization 🔹 AI for SaaS · AI for E-commerce · AI for Real Estate 🔹 AI UX · AI-first Systems · Hybrid AI Apps (React/Node/Python) 🔹 OpenAI · Anthropic · Llama · Cloud AI Services (AWS/GCP) 🔥 Keywords for Upwork Search AI Developer • AI Engineer • Full Stack Developer • SaaS Developer • GPT Developer • RAG Expert • AI Chatbot • AI Agent • LLM Engineer • Workflow Automation • React Developer • Node.js Developer • Python Developer • SaaS Architect • CTO-as-a-Service • Startup MVP • AI SaaS Platform • Machine Learning • Product Development • AI Consultant If you’re looking for a senior expert who can design, architect, and deliver AI-powered platforms from idea to production, let’s talk.