🚀 Engineering Scalable Web Ecosystems from Concept to Production. I am a Senior Full Stack Engineer and Technical Lead with deep expertise in building complex, high-load systems. My approach focuses on creating flexible architectures that allow businesses to scale rapidly without accumulating technical debt. I manage the full development lifecycle: from designing robust databases and complex backend solutions in Node.js (NestJS) and Python (FastAPI) to crafting high-performance user interfaces with Next.js and React. 💡 Full Stack Expertise & Strategic Solutions: - Backend Architecture: Designing complex APIs and microservices using Node.js (NestJS) and Python (FastAPI) for AI workloads. I specialize in asynchronous data processing, message queues (RabbitMQ/Redis), and heavy query optimization. At Stepler — Sweden's #1 fitness app, 10M+ users — delivered high-load backend architecture with MongoDB optimization reviewed and validated by the core MongoDB team. - Modern Frontend (Next.js/React): Building fast, SEO-optimized web applications using SSR (Server-Side Rendering) and SSG. High focus on Web Vitals and seamless UX. - Browser Extensions (Plasmo): Unique expertise in developing sophisticated Chrome Extensions (Manifest V3) that function as standalone products or integrated ecosystem tools. - Database & Logic Design: Advanced knowledge of PostgreSQL, MongoDB, and Redis. I design data architectures capable of handling millions of records while maintaining peak performance. 💼 Featured Full Stack Impact: Enterprise SaaS Platforms: Developed modular ERP/CRM systems with custom business logic and complex role-based access control (RBAC). AI-Powered Tools: Integrated Large Language Models (OpenAI/Claude) into web interfaces, browser extensions, and Python AI microservices to automate user workflows. Real-time Dashboards: Created secure platforms for real-time data analytics using WebSockets and GraphQL for instantaneous updates. ⚙️ Technical Stack: Languages: TypeScript/JavaScript, Python. Backend: Node.js (NestJS, Express), Python (FastAPI · AI microservices). Frontend: React, Next.js, Redux Toolkit, Zustand, Tailwind CSS. Browser Extensions: Plasmo Framework, Chrome API (Manifest V3). Databases: PostgreSQL, Redis, MongoDB, Supabase. APIs: GraphQL (Apollo), REST, WebSockets.

React Next.js JavaScript TypeScript Node.js NestJS Flutter React Native OpenAI AWS PostgreSQL MongoDB Supabase Firebase AI SaaS Mobile Cloud MVP Development End-to-end software development for startups, SaaS companies, and growing businesses - from idea validation and MVP development to scalable platforms used by thousands of users. We are Incode Group, a software development company with 50+ engineers, 10+ years of experience, 500+ delivered projects, and long-term partnerships with startups and established businesses across the US, Europe, Australia, and the Middle East. Whether you need an MVP launched in weeks, AI-powered features, a mobile application, a dedicated development team, or a complex SaaS platform built from scratch, we provide full-cycle product development from discovery and architecture to deployment and long-term support. 🏆 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐔𝐬 500+ successfully delivered projects 50+ engineers across web, mobile, AI, QA, UI/UX, and DevOps 10+ years of software development experience 95% of clients continue working with us beyond the initial engagement MVPs launched in as little as 4-8 weeks End-to-end ownership from planning and architecture to deployment and maintenance 💡 𝐖𝐡𝐚𝐭 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐔𝐬 𝐅𝐨𝐫 ✔️ SaaS product development ✔️ AI applications, chatbots, copilots, and automation tools ✔️ Mobile app development (Flutter & React Native) ✔️ Scaling and modernizing existing platforms ✔️ Dedicated development teams and staff augmentation ✔️ Technical advisory and architecture reviews ✔️ Cloud infrastructure, DevOps, and CI/CD ✔️ Third-party API and payment integrations 📊 𝐑𝐞𝐜𝐞𝐧𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐎𝐮𝐭𝐜𝐨𝐦𝐞𝐬 • Reduced infrastructure costs by up to 35% • Improved application performance by up to 60% • Automated workflows that reduced manual operations by up to 70% • Built AI-powered applications processing thousands of requests daily • Delivered MVPs that helped startups validate ideas and acquire early customers 🚀 𝐓𝐲𝐩𝐢𝐜𝐚𝐥 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐓𝐢𝐦𝐞𝐥𝐢𝐧𝐞𝐬 - MVPs & New Product Launches - typically 4-12 weeks depending on scope and integrations - Feature Development & Existing Product Improvements - usually 2-10 days per feature or 1-4 weeks for larger modules - AI-Powered Features, Chatbots & LLM Integrations - generally 1-4 weeks depending on complexity and data sources - Third-Party API & Payment Integrations (Stripe, Twilio, Shopify & more) - often 2-10 days per integration - Cross-Platform Mobile Apps (Flutter, React Native) - MVPs typically 6-16 weeks, production platforms 3-6+ months - Cloud Infrastructure, DevOps & CI/CD Setup - usually 3-10 days for initial setup - UI/UX Design, Figma Prototypes & Design Systems - commonly 1-4 weeks depending on the number of screens and flows - Legacy System Refactoring & Performance Optimization - typically 1-6 weeks depending on codebase size and technical debt 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐖𝐞 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 🏢 Real Estate - property management platforms, booking systems, rental marketplaces, CRM solutions 💰 FinTech & Financial Services - payment systems, financial dashboards, reporting platforms, internal tools 🩺 Healthcare - patient portals, healthcare management systems, telemedicine platforms, wellness applications 📚 EdTech - learning management systems, online training platforms, educational mobile applications 🤖 AI Products & Automation - chatbots, AI assistants, workflow automation, recommendation systems, AI-powered SaaS platforms 🏃 Fitness & Wellness - coaching platforms, activity trackers, fitness mobile apps, subscription-based products 🛒 E-commerce & Marketplaces - online stores, B2B marketplaces, checkout systems, payment integrations 🚚 Logistics & Transportation - fleet management, delivery platforms, route optimization, tracking systems 💼 SaaS & Business Platforms - internal tools, workflow automation, CRM systems, enterprise software ⚡ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 Frontend React.js Next.js TypeScript JavaScript Redux Toolkit Tailwind CSS Material UI Shadcn UI Backend Node.js NestJS Express.js GraphQL REST APIs WebSockets Prisma TypeORM Drizzle ORM RabbitMQ Kafka Mobile Flutter React Native iOS Android AI & LLM OpenAI ChatGPT Anthropic Claude LangChain Pinecone RAG Systems AI Agents Prompt Engineering Databases PostgreSQL MongoDB MySQL Supabase Firebase Redis DynamoDB ClickHouse Cloud & DevOps AWS Docker Kubernetes CI/CD GitHub Actions GitLab CI Vercel Railway DigitalOcean 🤝 𝐄𝐧𝐠𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐌𝐨𝐝𝐞𝐥𝐬 • Dedicated Developers • Dedicated Teams • Staff Augmentation • Full Product Development • Technical Advisory 🚀 𝐇𝐚𝐯𝐞 𝐚 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐢𝐧 𝐦𝐢𝐧𝐝? Send me your requirements, product idea, or current challenges, and we'll help you define the fastest and most reliable path from concept to launch.

✦ You bring the idea. I bring it to life — beautifully designed, fully built, and ready to ship. From the first research session to a deployed, production-ready product — I cover the entire cycle with senior expertise at every stage and AI-optimised workflows that make it faster without making it worse. Design that's actually deep. Delivery that's actually complete. One engagement, zero gaps. 💬 How my team and I work with you: My designers work closely with you — not through layers of management. That relationship is how we get the UX right: we understand your goals, your users, your constraints, your product logic. The deeper we get into your world, the better the outcome. That's intentional, not accidental. 💡 What you get from this collaboration: ✅ Senior UX/UI designers with deep domain knowledge ✅ Production-ready design + frontend code from the same team — no handoff gap ✅ AI-accelerated delivery (Claude Code, Cursor, Lovable, Figma AI) that compresses timelines without cutting quality ✅ A working, deployed product - not a deck, not a static mockup 🔁 The full cycle, one team: 🔍 Discovery - UX research, user flows, personas, competitor analysis, product strategy & requirements 🎨 UI/UX Design - information architecture, wireframes, AI-generated style guide, full component library ⚙️ Working MVP - production-ready code, deployed to live URL, accessibility-checked, stakeholder-iterated 📁 Full Documentation - GitHub repo, architecture diagrams, API docs, developer handoff, acceptance criteria 🎯 Where we're strongest: 🔬 Healthcare & MedTech - clinical portals, patient-facing apps, medical SaaS, simulation interfaces - we know the constraints, the edge cases, and what good UX looks like when errors have real consequences 📊 B2B SaaS - dashboards, AI product interfaces, onboarding flows, complex data views 📱 Cross-platform - desktop, iOS, Android, responsive web - designed to platform conventions ⭐ Track record: ✅ 100% Job Success Score · ✅ Top Rated Plus· ✅ $100K+ on Upwork ✅ 5.0 on Clutch 📩 → Message me to start the conversation

Expert React Js Developer | Next.Js Developer 📈 5000+ hours of work only on Upwork! ⭐5-Star ratings across all projects 💼 9+ years of experience 🚀 30+ completed projects and 0 negative feedback ⚡ Job success score 100% 💎 Top Rated Plus Freelancer (Top 2% on Upwork) 🙋 I’ve worked as a FrontEnd React Engineer, Frontend Lead, and Senior Software Engineer for prominent companies like ExpoPlatform, DeepChecks, Haystack, Vuukle, and Found.ee. I am a (Top 2% on Upwork) with 9+ years of experience building cutting-edge software solutions for my clients. I focus on creating scalable, robust, and efficient applications using various modern technologies and frameworks. I have experience working with various web projects, including SaaS, web apps, and website development. 🏆 𝗪𝗛𝗬 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘? 🔹 I’ve worked with clients across various industries, from e-commerce to healthcare, delivering websites that not only look great but also drive conversions and growth. 🔹 Over 9 years of hands-on experience in web development and exceptional feedback from satisfied clients worldwide. 🔹 Experience with Enterprise Clients like ExpoPlatform, DeepChecks, Haystack, Vuukle, Found.ee, and more. 🔹 5000+ working hours on Upwork with proven results. 🔹 Flexible Availability: 50+ hours/week, across time zones. 🔹 Certified JavaScript Developer. 🔹 Certified React Developer. 🔹 Certified React Native Developer. 🔹 Available almost 24/7 to meet your needs and bring your ideas to life. 🔹 Long-Term Contract Focus on Upwork. I'm available for a call to discuss your project needs and ensure we align on your goals. Contact me today to start our journey toward a successful partnership and effective development 🔥 𝗖𝗢𝗥𝗘 𝗦𝗞𝗜𝗟𝗟𝗦 & 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 ✅ Core skills: JavaScript (ES6+), HTML, HTML5, and CSS3. ✅ Front-end frameworks/libraries: Java, JavaScript, React.js, React js, Next.js, NextJs, Next js. Familiar with ReactJS, NextJS, React Query, react-hooks, and React Router, leveraging TypeScript for enhanced type safety. ✅ Experience with CSS preprocessors (Sass, LESS), styled-components, and frameworks like Tailwind CSS, Bootstrap, Ant Design, Material-UI, and Radix UI. ✅ Responsive Web design(RWD) and cross-browser compatibility. ✅ Version control tools: Git, GitHub, GitLab, Bitbucket. ✅ Webpack, Gulp, NPM, Yarn. ✅ State management libraries: Redux, Redux-Saga, MobX, or React Context. ✅ RESTful services and APIs, 3rd part APIs integration for fetching data. ✅ Performance optimization and UX/UI best practices. ✅ Jest, React Testing Library, Playwright, or Cypress. ✅ Storybook. ✅ Firebase (Realtime / Database / Cloud / Hosting). I have limited experience with Node.js, WordPress, Flutter, Java, Vue, Shopify, Python, and Angular, but I am always open to learning new technologies when needed. I have worked on full-stack projects where the backend was built using Firebase, handling authentication, database management, and cloud functions. Additionally, I have basic experience in design, allowing me to collaborate effectively with designers and contribute to UI/UX improvements. 🌟 𝗪𝗛𝗔𝗧 𝗗𝗢 𝗜 𝗣𝗥𝗢𝗩𝗜𝗗𝗘? 📗 Clear Communication: I prioritize effective communication and keep you updated every step of the way. 📗 Problem Solving: I’m detail-oriented and always deliver clean, optimized code to ensure your site runs smoothly. 📗 On-Time Delivery: Meeting deadlines is important to me, and I pride myself on delivering projects on schedule, every time. 📗 Custom Web Applications: CRM systems, project management tools, healthcare platforms, and data-driven dashboards. 📗 SEO & Performance Optimization: I focus on optimizing your website for fast loading speeds, SEO best practices, and mobile compatibility. 📗 Analysis of your requirements and providing tasks' estimation 📗 Writing clear, well-structured code in a timely manner 📗 Build stunning UIs with ReactJS or NextJS. Specialize in SPAs, PWA (Progressive Web Apps), and responsive designs tailored for any device. 📗 I develop tailored solutions for unique business needs, whether it’s building e-commerce platforms, integrating booking systems, or adding custom forms. 💬 𝗟𝗘𝗧’𝗦 𝗖𝗢𝗡𝗡𝗘𝗖𝗧! Feel free to reach out if you're ready to take your project to the next level. I’m excited to collaborate and build something exceptional together! 📞 Available for a call to discuss your project goals and create a clear roadmap. Thanks, Oles Telikhovskyi

Hello! 👋 I am a full-stack developer with more than five years of experience in web and mobile development, now also focused on AI-powered software development, Claude Code workflows, RAG systems, and practical AI automation for real business tasks. My core background is still strong engineering with .NET, Blazor, .NET MAUI, C#, Web API, Azure, DevOps, SQL databases, MongoDB, DigitalOcean, NGINX, IIS, and modern web technologies. On top of that, I help clients integrate AI into existing products, build internal AI tools, design AI workflows, and use tools like Claude Code to speed up development, improve code quality, and automate complex technical tasks. 🔧 Key Skills: - AI Development & AI Workflow Design - Claude Code setup, usage, and project workflows - RAG systems / Retrieval-Augmented Generation - LLM integration into web and business applications - AI assistants, internal copilots, and knowledge-base chatbots - Vector search, embeddings, document processing, and semantic search - Prompt engineering and AI workflow automation - .NET Core and .NET Framework - Blazor - .NET MAUI - Web API - SignalR - Mapbox - Android SDK - OpenGL - Azure Cloud - Azure DevOps CI/CD Pipelines - DigitalOcean - NGINX, IIS - SQL & Database Management: MS SQL Server, PostgreSQL, SQLite, MongoDB, Azure Storage - Entity Framework, Dapper - Web Technologies: HTML, CSS, JavaScript, TypeScript 🚀 Professional Experience: - Successfully designed and implemented numerous web, mobile, and backend applications, leveraging the power of the .NET ecosystem to deliver efficient and reliable solutions. - Built and designed AI-powered workflows, including RAG-based systems, document search, knowledge-base assistants, and automation tools for real business processes. - Experienced in working with Claude Code and AI coding workflows to analyze existing codebases, plan features, improve productivity, and support faster software delivery. - Skilled in integrating LLMs into applications, connecting AI models with databases, APIs, documents, and internal business data. - Managed and mentored development teams, fostering a collaborative and innovative work environment. - Skilled in overseeing all phases of the software development lifecycle, from initial requirements gathering to deployment and maintenance. - Proficient in various .NET technologies, with a strong understanding of front-end, back-end, cloud, and mobile development. - Skilled at identifying and resolving complex technical issues, optimizing performance, and ensuring application stability. 🤝 Let's Connect! Let’s connect and explore how I can help you build reliable software, improve your existing product, or bring AI-powered features into your business workflow. 🌟

As a product UX/UI designer, I help SaaS, B2B, and AI-driven companies turn complex workflows into intuitive, conversion-focused solutions. With over 15 years of experience in end-to-end user experience and UI design, I specialize in creating scalable product interfaces, data-driven dashboards, and AI-enhanced design systems that balance usability with business impact. From MVP design, analytics dashboards to operational SaaS tools, I build design systems that reduce friction, improve adoption, and align user experience with business goals. 🎯 Why my partners work with me: ✔️ 17 years of experience designing data-driven products for SaaS and tech startups ✔️ Trusted by global brands and startups: Bayer, Big4 Audit Firm, Digital Leadership, Sortly, WearLinq Labs, Reliant AI, Ceratizit, Linetweet, and 20+ other B2B and SaaS innovators. ✔️ Cool portfolio: awarded team and 1200 followers on Behance and 720 followers on Dribbble ✔️ Global-ready - fluent English, CET timezone (Germany), easy communication for international teams. ✔️ Iterative design process & daily updates - stay in the loop with ongoing progress, feedback checkpoints, and real-time flexibility ✔️ Start with a pilot: get your first concept in 24 hours and review together, including a clear breakdown of scope, timeline, and realistic budget expectations ✔️ Adaptive & responsive designs. Cross-platform consistency: seamless UX across web, mobile, and complex systems. ✔️ Agile collaboration - let’s begin with a single feature. If it doesn’t hit your goals, I’ll redesign it at no cost. Most clients move into full product design after this test ✔️ Scalable handoff - from research and UX flows to UI delivery and developer-ready handoff 🔍 What I do best: • SaaS & B2B dashboard design (web & mobile) • AI-integrated platform UX & data visualization • Complex dashboard & workflow system design • UX optimization for conversion and retention • MVP validation & scalable design systems for growing products 💡 You’ll get • A structured, research-based approach to UX • Collaborative design process aligned with your GTM and product roadmap • Figma-based design systems ready for development • Business-oriented UX that supports growth, not just aesthetics 🔄 My Design Process When you hire me, you’re not just getting a designer - you’re getting a strategic design partner who works side-by-side with you from idea to implementation. Here’s how we’ll work together: → Discovery & Alignment: a quick call to define goals, users, and success metrics - ensuring clarity from day one. → Direction & UX: building moodboards, flows, and wireframes to align visuals and structure with your business goals. → UI & Prototyping: you’ll get polished, interactive Figma prototypes that make your product feel real. → Handoff & Support: a dev-ready file preparation, and I'll stay involved to ensure smooth implementation and pixel-perfect results. 🛠️ Tools I Work With I use Figma, FigJam, and Miro to create collaborative prototypes, and Notion, Jira, and Slack for transparent, agile communication with dev teams. Tools like Hotjar, GA4, and UsabilityHub help me validate real user behavior before handoff. Let’s transform your complex SaaS idea into a seamless, user-friendly product that drives engagement, retention, and real business outcomes.

𝗡𝗮𝘁𝗶𝘃𝗲 𝗶𝗢𝗦 𝗮𝗽𝗽 𝗲𝘅𝗽𝗲𝗿𝘁 𝗳𝗼𝗿 𝗔𝗽𝗽𝗹𝗲 𝗲𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺, focused on turning your iOS App into business value 💎 ⚡ Apple-centric expertise – iOS, iPadOS, watchOS, macOS, Apple TV (tvOS), SwiftUI, UIKit, and iOS SWIFT ⚡ App store success – Apple Xcode, App store guidelines, TestFlight, submission, and release support ⚡ Top Rated Plus – Top 5% of talent on Upwork ⚡ 50+ projects done ⚡ 10 years in iOS Development and Mobile App Development 🎯  Client-oriented, focused on your business results   𝗖𝗟𝗜𝗖𝗞 𝗠𝗘𝗦𝗦𝗔𝗚𝗘 to get a detailed project review As a Mobile App Developer and iOS Developer, I help startups and product teams build a new iOS App, improve an existing iOS Application, or launch a full Mobile App Development project from idea to App Store: architecture, backend integration, authentication, payments, security, performance, TestFlight, and App Store submission. As an iOS Developer I’m focused on Mobile App Development, iOS App Development, and native Apple products for iOS, iPadOS, watchOS, macOS, and Apple TV (tvOS). I build iOS App products for iPhone & iPad Apps, Apple Watch apps, Apple TV Applications, and MacOS App Development using Swift, SwiftUI, UIKit, Objective C, Apple Xcode, iOS SDK, Cocoa Touch, Firebase, StoreKit, Core ML, ARKit, RealityKit, HealthKit, CloudKit, and App Store Deployment. YOU”LL GET WITH ME: ✔️ iOS & macOS – Expertise in Swift, SwiftUI, UIKit, Cocoa Touch, Objective C, and iOS SWIFT for iOS App, iPhone & iPad Apps, Apple Watch apps, Apple TV Applications (tvOS), and MacOS Mobile App Development. ✔️ App Architecture & Database Architecture – Expertise in MVVM, VIPER, Clean Architecture, PostgreSQL, MySQL, Firebase, iOS Developer Swift work, Swift iOS Developer and Senior iOS Developer tasks. ✔️ Networking & API Integrations – RESTful APIs, GraphQL, Alamofire, URLSession, AWS, Firebase, iOS Mobile App Development, and Mobile App Development. ✔️ Authentication & Security – Apple Sign-In, Firebase Authentication, OAuth, JWT, secure logins, iOS App security, and iOS SWIFT authentication flows. ✔️ In-App Purchases & Payments – StoreKit, Apple Pay, Stripe, PayPal, SwiftUI Stripe screens, and payment logic for iOS App and Mobile App Development. ✔️ Apple Health & Fitness Apps – Apple HealthKit, Core Motion, SiriKit Developers, activity tracking, iOS SwiftUI, SwiftUI iOS, and AI Mobile App Development. ✔️ AR & AI App Development – Core ML, ARKit, RealityKit, Apple Motion, AI Mobile App Developer experience, and intelligent iOS App experiences. ✔️ Apple Home & IoT Apps – HomeKit, Bluetooth, SiriKit, smart automation, iOS SWIFT, and native iOS Mobile App Developer delivery. ✔️ App Store Deployment & Optimization – TestFlight, App Store guidelines, Apple Xcode, iOS App Marketing support. DELIVERED HIGH-IMPACT APP s: ✅ Business & Productivity Apps – MacOS and iPad App Development for enterprise workflows, Mobile App Design support, and Mobile UI UX Designer collaboration. ✅ Health & Fitness Apps – Integrated Apple HealthKit & Core Motion for activity tracking, Apple Watch, SwiftUI Developer work, and iOS App Development. ✅ E-Commerce & Marketplace Apps – Secure shopping experiences with Apple Pay, In-App Purchases, StoreKit, Stripe, PayPal, and iOS App Developer ownership. ✅ Streaming & Media Apps – optimized playback, AVKit, AirPlay, Apple TV Applications, tvOS support, and iOS App performance. ✅ Finance & Payment Apps – Secure transactions with Stripe, PayPal, StoreKit, OAuth, JWT, and iOS SWIFT implementation. ✅ IoT & Smart Home Apps – HomeKit & Bluetooth integrations for smart devices, SiriKit, and native iOS App automation. ✅ AR, AI & Motion Apps – Core ML, ARKit, RealityKit, motion analysis, iOS Swift Smartphone flows, and SwiftUI interfaces. APPLE BACKEND & CLOUD SERVICEC: ✔️ CloudKit & iCloud Sync – Seamless Apple cloud storage integration for iOS App, iPadOS, watchOS, macOS, and Mobile App Development. ✔️ Firebase & AWS – Scalable backend architecture, real-time database solutions, Firebase Firestore, REST API, GraphQL, and iOS Developer backend integration. ✔️ macOS Automation & Scripting – AppleScript, Shortcuts, Workflow automation, macOS Swift, ✔️ AI & ML Integration – Core ML, Apple Motion, AI Mobile App Development, ARKit, RealityKit, and intelligent app experiences. My team’s expertise: Mobile App Development, Mobile App Developer, Mobile App Developer, Mobile App Developer Ukraine, iOS Developer, iOS App, iOS App Developer, Full Stack iOS Developer, iOS SWIFT, iOS Swift Developer, iOS App Developer Swift, SwiftUI, SwiftUI Designer, Swift App Developer, Swift Mobile, Swift Designer, Swift Developer, UIKit, Kotlin Swift, React Native Mobile, Node JS React Native Mobile Developer, Full Stack Developer, Web Developer, Flutter Developer, Flutter Mobile App Development, Mobile App Development FlutterFlow, Mobile Game Developer. Sounds like a fit? 𝗠𝗘𝗦𝗦𝗔𝗚𝗘 𝗺𝗲 and get expert consultation 📩 

I’m a senior full-stack engineer with 15+ years of experience building production web applications, APIs, internal business systems, and SaaS platforms. My strongest areas are .NET/C#, ASP.NET Core, Angular, React, TypeScript, SQL databases, API integrations, and AI-assisted workflows. I usually work on systems where correctness, maintainability, and business logic matter: fintech, compliance, CRM/workflow platforms, document-heavy applications, legacy modernization, and internal operational tools. Recently, my focus has been on AI-enabled SaaS and workflow automation: document ingestion, RAG-style search, structured AI outputs, audit trails, evidence handling, policy/document generation, and integrations with third-party systems. I’m also building AlturaQuantera, an AI/compliance SaaS product, so I understand both the engineering and product side of early-stage SaaS development. What I can help with: • Full-stack SaaS development with .NET, Angular, React, TypeScript, PostgreSQL, SQL Server • Backend architecture, REST APIs, background jobs, integrations, and complex business logic • AI integrations using OpenAI / LLM APIs, document workflows, RAG, structured outputs, and automation • Compliance, fintech, CRM, document-processing, and internal workflow systems • Legacy application modernization, refactoring, performance tuning, and system stabilization • Database design, reporting, import/export workflows, and integration layers between SaaS tools • Production readiness: authentication, RBAC, audit logs, logging, testing, deployment, and maintainability • Multi-tenant SaaS architecture, user roles, permissions, subscription logic, and admin dashboards • API integrations with third-party platforms, webhooks, payment systems, CRMs, data providers, and automation tools • Data-heavy applications with complex forms, tables, dashboards, filters, workflows, and reporting • AI-assisted document search, summarization, classification, extraction, and review workflows • Clean Architecture, layered architecture, domain modeling, and maintainable service boundaries I’ve worked on systems ranging from financial platforms and CRM-like internal tools to industrial/network monitoring software and AI-assisted compliance products. I’m comfortable joining existing codebases, understanding messy business logic, and improving systems without unnecessary rewrites. Typical problems I solve: • “Our prototype works, but it is not production-ready.” • “We need a senior engineer to clean up architecture and stabilize delivery.” • “We need AI features, but not a fragile GPT wrapper.” • “Our business workflow is trapped in spreadsheets and manual processes.” • “Our legacy .NET / Angular / SQL system needs modernization.” • “We need API integrations, data imports, dashboards, permissions, and reliable backend logic.” • “We have complex documents and need AI-assisted extraction, search, or review.” • “We need a maintainable SaaS architecture before the product becomes too messy.” • “We need a technical partner who can think through product logic, not just write code.” I have experience across backend and frontend development, including ASP.NET Core APIs, Web API, Entity Framework, Dapper, SQL optimization, Angular applications, React dashboards, TypeScript frontends, background workers, file processing, scheduled jobs, authentication, authorization, and deployment workflows. I also work with AI and automation in a practical way: LLM APIs, OpenAI API, embeddings, pgvector-style search, RAG pipelines, structured JSON outputs, prompt/version management, document workflows, and human-in-the-loop review. I focus on making AI features traceable, testable, and useful for real business users — not just impressive demos. Additional relevant domains: Financial dashboards, forex/FX systems, market-data workflows, economic data APIs, reporting dashboards, document intelligence, compliance automation, CRM/workflow platforms, data imports, ETL-style pipelines, scheduled jobs, and AI-generated structured insights. Core stack: .NET / C# / ASP.NET Core / Web API / Entity Framework / Dapper / SQL Server / PostgreSQL / MySQL / Angular / React / Next.js / TypeScript / JavaScript / NestJS / Node.js / REST APIs / Docker / OpenAI API / LLM integrations / RAG / pgvector / AI automation / SaaS architecture / API integration / CRM systems / fintech applications / compliance workflows / document processing / legacy modernization / workflow automation / dashboards / reporting / authentication / RBAC / audit logs / cloud deployment / Azure / AWS / CI/CD, financial dashboards / forex systems / market data / economic data APIs / data pipelines / ETL / scheduled jobs / AI-generated insights

QA Engineer with 6+ years of experience in web, mobile, and API testing. I take ownership of quality — from requirements review to regression and release. Hands-on experience with Playwright, Selenium, and API testing in SaaS and e-commerce products. I don’t need constant supervision or micromanagement. I can pick up requirements, ask the right questions early, and move the testing process forward with confidence. AVAILABLE RIGHT NOW 40h/w | 6 Years QA Experience | 100% Job Success ⏰ Available full-time | Flexible across time zones 💫 6+ years of QA experience in web, mobile & API testing 🌐 Strong communication with distributed teams (QA, Dev, PM) Technical Expertise & QA Automation Skills ✅ QA Automation: Experience with Playwright, Selenium WebdriverIO for building and maintaining automated test suites. ✅ API Testing: Postman, Swagger, RESTful APIs, HTTP, JSON, XML — validating responses, status codes, and integrations. ✅ Web & Mobile Testing: Functional, UI/UX, regression testing for web applications and mobile apps (Android Studio, Xcode). ✅ Tools & Environments: Chrome DevTools, Git, Docker (basic), CI/CD pipelines, Jenkins, SQL (basic queries), PostgreSQL, DBeaver. ✅ Test Management & Bug Tracking: JIRA, creating and maintaining test cases, checklists, bug reports, and QA documentation. Industries: - Financial Services - E-commerce - Education / EdTech

$300K+ delivered on Python and Node SaaS backends, 8,500 hours, 100% JSS, Top Rated Plus. I architect AI and voice systems that scale: STT pipelines, media processing, and team-led backend rebuilds. As a Lead at 2muchcoffee, I don’t just write code - I architect solutions and lead engineering teams to deliver robust, scalable, and maintainable software. I bridge the gap between business goals and technical execution, ensuring that every line of code serves a purpose. 💡 Core Expertise as a Tech Lead: - Full Stack Tech Lead: Expert-level development using Python, Node.js for high-load backends, integrated with modern frontend workflows (React, Next.js). - Scalable Architecture & System Design: I design systems that handle millions of requests. I specialize in microservices, asynchronous processing, and database optimization for complex SaaS, AI Based and Fintech platforms. - Technical Leadership: Proven experience in leading cross-functional teams, conducting code reviews, and mentoring senior developers to maintain high delivery standards. - The "Architect" Mindset: I make the tough decisions on the tech stack, data modeling, and integration patterns that determine a project's long-term success. - Production-Ready Delivery: Because of my deep technical background, I also cover all DevOps stuff for my projects. ⚙️ Technical Ecosystem: Backend: Node.js (NestJS, Express), Python (FastAPI, Django, Flask), Go. Frontend: React, Next.js, TypeScript, Redux/Zustand, Tailwind CSS. Architecture: Microservices, GraphQL, REST, WebSockets, Serverless. Databases & Cache: PostgreSQL, MongoDB, Redis, ElasticSearch. Infrastructure (DevOps-aware): Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI, Jenkins). 🤝 Ready to Build Your Next Big Product? If you need a Lead who can take full ownership of the technical stack and lead a team to a successful launch, let’s connect. Click "Invite" to discuss your project and how my leadership can drive its success. Keywords (SEO Index): Full Stack Developer, Technical Lead, Team Lead, Software Architect, System Architect, Senior Full Stack Engineer, Product Architect, Python Lead, Node.js Expert, Python, FastAPI, Node.js, NestJS, Microservices Architecture, Serverless, REST API, GraphQL, WebSockets, Event-Driven Architecture, React, React.js, Reactjs, Next.js, TypeScript, Redux, Tailwind CSS, Responsive Web Design, Single Page Applications (SPA), Server-Side Rendering (SSR), PostgreSQL, MongoDB, Redis, ElasticSearch, DynamoDB, SQL, NoSQL, Database Design & Optimization, Docker, CI/CD, GitHub Actions, GitLab CI, Jenkins, AWS, Google Cloud Platform (GCP), SaaS Development, Fintech, EdTech, AI, Artificial Intelligence, OpenAI, Gemini, Enterprise Level Applications, Scalable Systems, MVP Development, Technical Roadmap, Code Review.