I’m a Python Full-Stack Developer with 8+ years of experience building SaaS platforms, APIs, dashboards, admin systems, and production web applications using Python, FastAPI, Flask, React, and Next.js. I work across the full product stack, from backend architecture, databases, and APIs to frontend development, integrations, deployment, and ongoing improvements. My main areas of work include: 𝐏𝐲𝐭𝐡𝐨𝐧 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 FastAPI, Flask, Django, PostgreSQL, REST APIs, authentication, permissions, background jobs, business logic, and third-party integrations. 𝐑𝐞𝐚𝐜𝐭 & 𝐍𝐞𝐱𝐭.𝐣𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Responsive SaaS applications, dashboards, customer portals, admin panels, complex forms, and data-driven interfaces using React, Next.js, TypeScript, JavaScript, and Tailwind CSS. 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Complete web applications covering frontend, backend, databases, APIs, user accounts, roles and permissions, subscriptions, reporting, integrations, and admin systems. 𝐀𝐖𝐒 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 AWS infrastructure, Docker, CI/CD, production environments, database deployment, monitoring, and performance improvements. I also work with Vue.js and have strong experience with Node.js, NestJS, Express.js, and MongoDB, which is useful when maintaining existing systems or working with products that use multiple backend technologies. Clients usually bring me in when they need someone who can understand an existing system quickly, take ownership of both frontend and backend development, and deliver features without adding unnecessary complexity. Whether you are building a new SaaS product, developing Python APIs, improving a React or Next.js application, or maintaining an established platform, I can help.

I’m Waqar, a senior full-stack engineer who lives and breathes Node.js, Python, and React. Over 12 years I’ve shipped 70+ production apps and logged 3.8k Upwork hours, helping startups and enterprises launch fast, scalable products. Backend APIs & Microservices — Express/NestJS (Node) and FastAPI/Flask (Python) with PostgreSQL, MongoDB, Redis. Frontend — Modern React.js & Next.js UIs that load fast and feel smooth on every device. AI Integrations — GPT-4 chatbots, LLM workflows, and ML pipelines that add real intelligence. Cloud & DevOps — Docker, CI/CD, AWS & GCP—zero-downtime deployments, cost-optimized. I value clean architecture, thorough testing, and proactive communication across time zones. If you need a developer who can own the entire stack, infuse AI capabilities, and deliver on time—let’s talk.

🔹 Stop hiring developers. Hire someone who understands your product. I build and scale SaaS platforms end to end: Next.js and React on the front, Node.js and Python (FastAPI/Django) on the back, with Stripe, PostgreSQL, and AWS behind them. The kind of product that doesn't break after launch. If it involves APIs, dashboards, subscriptions, integrations, or AI features, I've probably built it before. What I Build Most Often • SaaS platforms (multi-tenant architecture) • Backend APIs (FastAPI, Django, Node.js/Express) • Integrations (OAuth, webhooks, third-party services, CRMs) • Automation & background workers • Analytics dashboards & admin panels (React / Next.js) • Data processing pipelines • Cloud deployments on AWS Why Clients Hire Me Many projects fail after MVP because the backend wasn’t designed for growth. I design for: 1. clean architecture 2. predictable scaling 3. maintainability 4. faster future features So you don’t need to rebuild in 6 months. Recent Work ✔ Built medical platform MVP (Node.js + React), production ready ✔ Designed military social platform infrastructure (Flask + AWS + Docker) ✔ Created organization-wide email compliance & analysis system (OAuth integrations) ✔ Built IoT monitoring platform with real-time device data ingestion ✔ Developed automation workflows & analytics dashboards Tech Stack 1. Backend Python (FastAPI, Django, Flask) Node.js (Express, NestJS) REST APIs, Webhooks, OAuth 2. Frontend React, Next.js, Vue Tailwind, Material UI 3. Data & Infrastructure PostgreSQL, Redis, MongoDB AWS, Docker, CI/CD Large dataset processing & reporting If you need someone who can own both the architecture and implementation, message me before hiring multiple developers.

🔹 What I build I build production backend systems that handle real-time distributed traffic at scale using Golang, Python and Node.js. I focus on systems where latency, reliability, and throughput directly impact production outcomes under high concurrency and event-driven workloads. I design and implement blockchain integration layers that connect backend systems with Ethereum-based transaction and wallet workflows in production environments. 🔹 Production impact Focused on building production-grade systems that improve reliability, throughput, and system resilience under real-world traffic conditions. Built real-time backend systems using Go, Node.js, and Python with Redis Pub/Sub and SSE for high-volume event-driven communication Designed and stabilized high-throughput API systems and microservice architectures under concurrent production traffic Developed blockchain transaction and wallet integration systems using Node.js and Ethereum-based stacks in production environments Implemented smart contract interaction layers and backend services for token and transaction workflows Built payment and external API integration systems with strong consistency, idempotency, and failure recovery requirements Operated cloud backend systems on AWS/GCP with scaling, monitoring, and production observability 🔹 Core engineering focus Distributed backend systems (Go / Node.js / Python) Event-driven architecture (Redis Pub/Sub, SSE) Blockchain transaction systems (Ethereum / Web3 integration) Backend ↔ on-chain data flow design High-concurrency API systems Production reliability, scalability, and latency optimization 🔹 How I work I identify bottlenecks in production systems across latency, throughput, and data consistency. I implement changes that improve system stability and performance across backend and blockchain layers without disrupting production traffic. 🔹 Availability Available for backend architecture, blockchain integration, system scaling, and production refactoring projects.

I build production-grade SaaS platforms, AI-integrated products, and business automation systems for founders and CTOs who need an engineering partner, not a task executor. Over 10+ years, 192+ completed projects, and 22,000+ hours delivered on this platform, spanning Python, Node.js, Shopify, and WordPress with an AI-native approach to full stack development, Claude, Codex, Cursor, and similar AI-native development tools are part of my daily development workflow, I use them to move faster without cutting corners on architecture or code quality. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 ✔ AI Integration & RAG Systems OpenAI and Claude API integration with proper prompt engineering, Retrieval-Augmented Generation (RAG) pipelines with vector search, and AI agent workflows for multi-step task automation. ✔ Backend & SaaS Development Production-grade backends built primarily in Python (FastAPI, Flask, Django), with Ruby on Rails and Elixir/Phoenix when a client's existing codebase or team calls for it. I design APIs for real production load, authentication, async processing, clean data models. ✔ Frontend & Mobile React, Next.js, and React Native apps with real-time features, clean state management, and interfaces built to scale with the product, not just the demo. ✔ E-Commerce Development (Shopify & WordPress) Custom Shopify apps and themes, WordPress/WooCommerce builds, storefronts, plugins, checkout flows plus AI-driven features like product recommendation engines and support chat assistants, and N8N automation that keeps stores running without manual upkeep. ✔ Automation & Data Engineering Process automation built in N8N and Zapier that removes manual steps from a client's workflow, Python-based ETL pipelines and data acquisition systems that turn scattered information into structured, usable business intelligence, and custom Chrome extensions for data capture and workflow tools, shipped and used in production 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 𝗘𝘂𝗸𝗮 𝗔𝗜 - AI-powered CRM for social commerce. Built core platform features including dashboard workflows, creator discovery and outreach automation, campaign management, and API integrations. 𝗖𝗼𝗻𝘁𝗲𝗻𝘁𝗗𝗿𝗮𝗳𝘁𝗲𝗿 - AI SaaS platform for automated content generation with subscription-based access. Built the AI integration layer, prompt workflow system, authentication, and scalable backend APIs. 𝗢𝗽𝘁𝗶𝗺𝗮 𝗖𝗥𝗠 - Custom CRM for sales pipeline and customer management. Delivered dashboards, lead management, role-based access control, and reporting end to end. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 𝗔𝗜 & 𝗟𝗟𝗠: OpenAI API, Claude API, Gemini, Mistral, LangChain, LlamaIndex, RAG, AI Agents, Prompt Engineering, Function Calling, Tool Calling, Embeddings, Vector Search, Pinecone, AI Automation 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜: Python, FastAPI, Django, Flask, Node.js, Express.js, REST APIs, GraphQL, Webhooks, Async Processing, Background Jobs, Authentication, 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, TypeScript, JavaScript, React Native, Tailwind CSS, Real-Time Applications 𝗦𝗮𝗮𝗦 & 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: SaaS Development, SaaS Architecture, Multi-Tenant Architecture, Subscription Systems, Stripe, Admin Dashboards, User Management, Role-Based Access, API Integrations, Third-Party Integrations 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲: 𝗦𝗵𝗼𝗽𝗶𝗳𝘆, Shopify Plus, Shopify Apps, Shopify API, Shopify Admin API, Shopify Storefront API, Liquid, Custom Shopify Themes, WooCommerce, WordPress, Elementor, WordPress Plugins, Checkout Customization 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: n8n, Zapier, Make, Workflow Automation. Databases & Cloud: PostgreSQL, MySQL, MongoDB, Redis, Firebase, Supabase, AWS, GCP,Docker Data & Web Automation: Selenium, Playwright, Scrapy, Web Scraping, Data Extraction, ETL Pipelines, Data Acquisition, Chrome Extensions Development & AI-Native Tools: Claude Code, Cursor, OpenAI Codex, Git, GitHub, CI/CD, Code Review, AI-Assisted Development 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 I start by understanding the business problem before touching the stack, what the automation needs to solve, what the AI feature needs to do for the user, what "done" looks like for what you're building. I scope clearly, flag risks early, and build for where your product is going in six months, not just this week's ticket. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 Clients consistently cite fast communication, daily progress updates, and code that doesn't need a second developer to fix it later. On more than one project, I've flagged a requested feature that would have caused problems at scale and proposed an alternative before writing a line of code. 𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱 If you need an engineer who can integrate AI meaningfully (including RAG-based systems), automate a workflow with N8N, or build your product end to end, on Python, WordPress, Shopify, React Native, or Rails - let's talk about what you're building.

Welcome to my page! 🙂 I am Andrew, but I’d prefer you’ll call me - your future developer😬 ✔️14+ years of professional development experience as Full stack developer ✔️40+ admin panel client portals delivered as React native App developer Full stack developer React Node ✔️50+ EU and US B2B clients served ✔️60+ SaaS platform, CRM system, dashboard product built ✔️130+ successfully completed project ✔️React Developer | Full Stack Developer ( Full stack developer AI ) expertise React Developer and Full Stack Developer who builds custom Web Application product for B2B clients, from interface to backend, production-ready solutions Most of my work is Full Stack Developer React Node delivery, where a Front end developer React , Node.js backend developer support one business workflow end to end As a Node.js Developer I own the REST API logic, authentication, roles and permissions, the data layer behind each product As a Web developer ( MERN stack ) I focus on practical Web Application Development that ships, scales, stays maintainable, with clean API Integration at the core As a React Developer I build Web Application interfaces with React.js, Next.js, TypeScript and Responsive UI , wired to live data through API Integration I deliver usable, fast interfaces As a Node.js Developer and Backend Developer I build the REST API layer, ExpressJS services, authentication, roles, permissions, payment flows, CRM integration, combining engineering expertise with UX Designer mindset to take each solution from interface to backend. Many clients come to me as a Node.js Developer when a frontend already exists but API, data model, the business logic need to be done right. As a Backend Developer I keep the Node.js layer predictable, documented, as a Node.js Developer I handle API Integration third-party services, database, frontend. A typical Full Stack Developer React Node project for me looks like this: a SaaS platform or internal business tool with a React frontend, Node.js backend, structured database and an admin workflow for the team behind it. On every Full Stack Developer React Node build I design the database structure, the REST API , the dashboards, the permissions model so the product holds up as it grows. This Full Stack Developer React Node approach keeps frontend, backend in one system. Hiring one Full Stack Developer React Node engineer also keeps the React Developer and Node.js Developer decisions consistent across the whole build I also work as a Directus Developer | Headless CMS Developer . On 20+ content-driven, data-heavy products I use Directus CMS, Strapi as a headless backend, which gives clients a clean admin panel and an API-ready foundation. As Directus Developer I model the data, set roles and permissions, connect a React frontend through REST API ; as a Strapi Developer I do the same on Strapi. Headless CMS work with Directus CMS pairs naturally with my React developer firebase, Node.js Developer delivery Stack: React, React.js, Next.js, Node.js, TypeScript, JavaScript on the application side; ExpressJS, REST API , API Integration on the service side; SQL, MySQL, MongoDB, Firebase, Supabase for data; Directus CMS | Strapi for headless content. Authentication, roles, permissions, payment flows, dashboards, data tables, filters, admin workflows are standard parts of how I deliver Web Application Development As a Web Developer and JavaScript Developer I write code the next developer can actually read and extend. Typical projects clients hire me for: SaaS platform development, CRM development, admin panel, marketplaces, booking website, lead generation website, dashboard, client portal, internal business tools, e-commerce platform, API-based Web Application work with workflow automation and business automation. Clients also find me under related searches that match my real stack ⚛️ React developer side: 8+ yrs exp. as a React Native Developer 8+ yrs React next js developer ( nextjs ) 30+ projects Full Stack Developer Supabase React 13K+ hrs Front-End Developer Full-Stac ⚙️ Full stack developer side: 10K+ profiles/day - Python Full Stack Developer 15+ AI integrations - Full Stack Developer AI 200+ API integrations - Full Stack Developer Shopify 32 mobile apps as a Full stack React Native Spring Boot 60+ SaaS & CRM builds as a Full Stack Node.js React 130+ projects - Senior Full Stack Developer 50+ B2B clients - Senior Full stack .net 🗄️ Backend developer side: Node.js Backend Developer for APIs, Back End Developer Node.js for logic, Python Developer for automation. 🔧Additional expertise: WordPress Developer , Mobile App Developer , Vue Angular, Strapi developer, Stripe , Agile Software Development. Industry: healthcare, beauty, ecommerce, fintech 💡If you need a React Developer | Full Stack Developer React Node engineer | Node.js Developer for a serious product, I can take it from architecture through release and support. Let's talk about your product and what it needs to do

25+ years building enterprise software where Python AI meets Java scale. 100+ full-stack systems delivered, 10M+ users supported, and real-time platforms processing millions of events - from AI/ML and automation to Spring Boot, APIs, cloud & modern web apps. 👋 Looking for a powerhouse full-stack engineer who can bridge Python-based AI innovation with Java-backed enterprise performance? I bring 25+ years of professional full stack software development experience-combining backend architecture, enterprise Java systems, AI/ML engineering, and modern frontend frameworks into scalable, data-rich applications for finance, healthcare, retail, manufacturing, and government sectors. With over 100 full-stack systems delivered, I've built mission-critical platforms and real-time analytics engines handling millions of events per day, while reducing operational costs by up to 65% through infrastructure optimization. 🏆 Why Work With Me? ✔️ 25+ years of enterprise-grade software development ✔️ 40+ Python projects using AI/ML for analytics, automation, and computer vision ✔️ 60+ Java systems modernized to Spring Boot, AWS & microservices ✔️ Built backend systems serving 10M+ users monthly ✔️ AI-based fraud detection systems with 98%+ accuracy ✔️ Scaled apps to handle 1M+ real-time events/second using Kafka, EventBridge, and Spark ✔️ Healthcare-grade imaging tools for tumor classification (TensorFlow + OpenCV) ✔️ 50+ legacy migrations from J2EE/Struts to microservices ✔️ Deployed full-stack apps across 20+ industries, including fintech, eCommerce, telecom, and eLearning ✔️ CI/CD pipelines & Dockerized monorepos for faster dev cycles and better team velocity 🧠 Tech Stack & Core Skills 🖥️ Languages: Python, Java, TypeScript, JavaScript, HTML5, CSS3, SQL, Shell Scripting 🧠 Python AI/ML & Automation: TensorFlow, PyTorch, OpenCV, Scikit-learn, NumPy, Pandas, Matplotlib AI Workflows | Computer Vision | Predictive Analytics | Data Pipelines | Image Recognition | Fraud Detection Automation using Python + Selenium, BeautifulSoup, Scrapy ☕ Java Enterprise Stack: Spring Boot, Spring Cloud, Hibernate, Akka, Play, Grails Java Microservices | RESTful APIs | SOAP | JMS | JPA | Quartz | Lombok Legacy Refactoring | J2EE → Spring Boot | Tomcat | WildFly | WebLogic 📊 Frontend (Full-stack Scope): Angular.js, Vue.js, React.js, Next.js, Svelte Tailwind, Bootstrap, Material-UI | JSP | Thymeleaf | JSF | EJS SPA Development | SSR/ISR | Responsive UI | Webpack, Vite, Gulp 📦 DevOps & Cloud: Docker, Kubernetes, AWS (Lambda, SageMaker, EC2, S3, Kinesis, RDS), GCP, Azure CI/CD: Jenkins, GitLab CI, Travis, Ansible, Terraform Infrastructure as Code | Monitoring | Cost Optimization 📚 Data & Databases: PostgreSQL, MySQL, Oracle, MSSQL, SQLite, MongoDB, Cassandra, Dynamo DB Elasticsearch, Redis, Kafka, RabbitMQ, GraphQL, REST APIs 📌 Python & AI-Focused Solutions 🔹 AI-Based Automation for Workflow Optimization 🔹 Real-Time Object Recognition & Computer Vision Systems 🔹 Predictive Analytics for Retail, Logistics, and Healthcare 🔹 NLP Chatbots and Intelligent Assistants 🔹 Data Crawlers & Scrapers for eCommerce & SEO 🔹 Data Normalization Pipelines Handling 1TB+ Datasets 📌 Java & Enterprise Software Development 🔹 Full-stack Java + Angular/Vue platforms 🔹 Spring Boot Microservices for Finance, Healthcare, SaaS 🔹 Event-Driven Architectures with Kafka & Redis 🔹 Secure Auth (JWT, OAuth2, LDAP, SSO, 2FA) 🔹 Migrating Monoliths to Microservices (Cloud-Native Refactors) 🔹 Server-Side Java with JSP, JSF, and Servlet APIs 📌 Full-stack Projects Built from Scratch 🔹 Inventory Management System (Java + Vue + AWS) 🔹 Medical Diagnosis Dashboard (Python + Django + React) 🔹 Financial Fraud Detection Engine (PyTorch + Kafka) 🔹 Real Estate Listing Platform (Flask + Angular + PostgreSQL) 🔹 ERP Extensions for Manufacturing (Spring Boot + Thymeleaf) 💬 Results That Matter ✅ Built an AI-based inventory forecasting engine reducing stock outs by 42% ✅ Scaled a Java backend to handle 5M+ daily requests for a logistics app ✅ Migrated 3 legacy apps to AWS with 65% infra cost reduction ✅ Automated scraping workflows gathering 10M+ data points weekly ✅ Designed OCR pipeline (Python + Tesseract) for medical record digitization ✅ Delivered HIPAA-compliant image analysis tools with 95%+ detection accuracy ✅ Cut fraud risk 75% for fintech app using real-time anomaly detection 💼 Industries Served 🏥 Healthcare & Diagnostics 💳 Fintech & Insurance 🛍️ eCommerce & Dropshipping 🏗️ Manufacturing & Supply Chain 📚 EdTech & LMS Platforms 🛰️ Gov & Aerospace (including secure environments) 🏢 Enterprise SaaS & Internal Tools Let’s build the next enterprise success story together. 💬 Message me to discuss your backend, AI/ML, or full-stack project! 🧩 Let’s Build Something Powerful If you’re seeking a seasoned backend + full-stack expert who can turn complex business logic into reliable, scalable, and secure digital solutions - I’m your guy.

Results-first engineering — every achievement below is backed by a number. 🔥 ACHIEVEMENTS ✔️ As a Python Developer, I automated 70% of manual procurement workflows for a Norwegian AI startup and cut cycle time by 30%, working across the pipeline as an AI Developer as well as the Python Developer who wrote the code. ✔️ As an AI Developer, I delivered a working AI price-recommendation engine in 12 weeks — 500K+ product records processed daily, 85% model accuracy, built end-to-end as a Python Developer using TensorFlow and Scikit-Learn. ✔️ As a Full Stack Developer, I shipped a Python/AWS data pipeline for an IoT utility platform: 1M+ smart-meter readings processed daily across 200,000+ devices, latency down 35%. ✔️ As a Python Developer, I built an AI demand-prediction and fleet-allocation system for a ride-hailing platform: +28% fleet utilisation, –32% rider wait times. ✔️ As a Full Stack Developer, I've delivered 25+ end-to-end products — React front ends, Django and Flask back ends, PostgreSQL data layers — with 28% lower delivery risk than typical handoff-heavy teams. ✔️ As a Python Developer and AI Developer combined, I built a multilingual AI citizen-support system for a government client: –45% first-line requests, +35% faster response times. ✔️ As a Full Stack Developer, I've processed 10x more data sources per project than the baseline system I replaced, keeping the Python Developer codebase and the AI Developer model layer in one repo. 🎯 HOW I WORK — PYTHON DEVELOPER, AI DEVELOPER, FULL STACK DEVELOPER As a Python Developer, I build backend systems in Django, Flask, and FastAPI, with REST API layers, PostgreSQL and MySQL underneath, deployed with Docker and tracked in Git. As an AI Developer, I train and ship Machine Learning models — TensorFlow, PyTorch, Scikit-Learn — real Machine Learning Python work in production, not notebooks that never ship. My range spans AI Automation, Gen AI, LLM, and RAG pipelines, AI Agents and AI Chatbots with seamless handoff, AI Voice Agent integrations for on-device inference, and Full Stack AI SaaS Developer builds where I own the model, the API, and the dashboard. As a Full Stack Developer, I connect that backend to a React or Angular frontend, using JavaScript and Java where the stack calls for it, HTML5, CSS3, Bootstrap, and jQuery for the UI layer — with Software Architecture & Design decisions made up front rather than bolted on later. 🌐 WEB, DATA & INTEGRATION DEPTH As a Web Developer and Web Scraping Developer, I've built Python Web Development admin panels, Full Stack Python Developer Flask products, and Web Scraping Python pipelines — turning raw data into clean, deduplicated datasets. My Data Extraction work covers Web Scraping Real Estate listings, Web Scraping Data Mining systems, and automated Python scripts running daily without breaking. Amazon API Integration, Shopify API Integration — always closing with clean API Documentation, plus broader integrations across CRMs and payment providers. As a DevOps Engineer and Cloud Engineer, I deploy on AWS and AWS Bedrock, configure Docker, Git, and CI/CD pipelines, and integrate N8N, Zapier, Make, and GHL workflow automation for SaaS and MVP platforms. 🌍 ROLES CLIENTS HAVE HIRED ME FOR As a Django Developer and FastAPI Developer, I've rebuilt legacy systems and shipped greenfield APIs. As a Flask Developer and Backend Developer, I've delivered microservices and event-driven pipelines. As a React Developer and Frontend Developer, I've owned interface work end to end. As a WordPress Developer and PHP Developer, I've handled CMS builds and legacy migrations. As a GIS Developer, I've integrated Mapbox, QGIS, and ArcGIS into logistics platforms. As an Algorithmic Trading Developer, I've built AI Trading and Forex analytics systems. Whatever the label — SaaS Developer, MVP Developer, FinTech Developer, or ML Engineer — delivery is the same: a Full Stack Web Developer's ownership of the whole product, backed by Laravel and PHP experience for teams migrating off older systems. ⚙️ TECH STACK — BUILT INTO EVERY PROJECT As a Python Developer, I've used Python, Django, Flask, FastAPI, PostgreSQL, MySQL, Docker, and Git to ship backends processing millions of records daily. As a Full Stack Developer, I've connected React, Angular, Node.js, JavaScript, HTML5, CSS3, Bootstrap, and jQuery frontends to production-grade APIs. As an AI Developer and ML Engineer, I've shipped TensorFlow, PyTorch, Scikit-Learn, LLM, RAG, and Gen AI systems with AWS Bedrock and SageMaker. As a Web Scraping Developer, I've built Scrapy, Selenium, and BeautifulSoup pipelines with full Data Scraping and Data Extraction automation. 🚀 Looking for a Python Developer who thinks like an AI Developer and builds like a Full Stack Developer? Send me your project details — I'll reply with a clear plan and realistic estimate within a few hours. 📅 Last updated: 14.08.2026

Hello! I’m Bera, a Backend Engineer, API Developer, and Cloud Engineer focused on building reliable backend systems, scalable APIs, database-driven applications, and cloud-ready software solutions. As a Backend Engineer, I develop the server-side architecture, business logic, authentication systems, database connections, and application services behind modern web platforms. My core Back-End Development expertise includes Node.js, Python, JavaScript, RESTful API development, MongoDB, PostgreSQL, MySQL, API development, and Back-End Development Frameworks. As an API Developer, I design, build, integrate, and improve RESTful APIs that connect web applications, databases, frontend systems, mobile products, and third-party platforms. My API development work covers endpoint architecture, data validation, authentication, database operations, error handling, API Integration, documentation, debugging, and performance optimization. As a Cloud Engineer, I structure backend applications and APIs for reliable deployment, scalability, maintainability, and continued product development. I help teams prepare their Back-End Development systems, databases, and RESTful API architecture for cloud-based environments while keeping the software easy to manage and expand. I work with MongoDB, PostgreSQL, and MySQL to design database structures, manage application data, optimize queries, and create reliable connections between databases, APIs, and user-facing applications. I also develop authentication systems, user-management features, server-side workflows, business logic, data-processing functionality, and backend services for web and mobile applications. Although my primary focus is Back-End Development and API development, I also understand how backend systems connect with frontend technologies. I can collaborate effectively on applications built with Angular, React, JavaScript, HTML, CSS, and CSS3, ensuring smooth communication between the frontend, RESTful APIs, databases, and backend services. I can support new application development, existing backend maintenance, RESTful API creation, API Integration, database development, application debugging, backend modernization, performance improvement, and cloud-ready architecture. I can also review an existing Node.js or Python codebase, fix API and database issues, improve application logic, and add new functionality without disrupting the current product. My goal is not simply to write server-side code. I build complete backend systems where APIs, databases, authentication, application logic, frontend integrations, and deployment requirements work together reliably. For a scalable backend platform, secure RESTful API, database-driven web application, or cloud-ready software solution, I bring the combined perspective of a Backend Engineer, API Developer, and Cloud Engineer from technical planning through production-ready delivery.

Hello there! Welcome to my page! 🙂 Ready to start. I propose to start from the call. You will see I am a real person, geek🤓, traveller. 56 projects with 100% JSS taken. WIll be glad to help you as well! Just drop me a message or invite. $53M+ Raised by Clients | 84+ Products Delivered | 100% Job Success | 14 Years in SaaS ✅ 14 years as a Full Stack Developer, now CTO & Founder of Gearheart, an Enterprise SaaS product development studio ✅ Co-Founder & CTO at Beyond the Wow, an AI-native MVP studio ✅ As a SaaS Developer, I've helped 84+ startups and growth-stage SaaS teams scale their products ✅ Built SmartSuite from scratch as lead Full Stack Developer - $38M raised, 7M+ users ✅ 2-4x faster delivery as a SaaS Developer using Claude Code, Lovable, Cursor, and Replit ✅ Top Developer at Clutch and Goodfirms I'm a CTO and SaaS Developer specialist with 20 years experience as a Full Stack Developer for SaaS companies, working as a React Developer. As a SaaS Developer and MVP Developer focused on SaaS architecture and rapid deployment, I personally deliver on 84+ products for 70+ SaaS clients across 7 countries. I work as a React Developer, WordPress Developer, or Mobile App Developer. I bring SaaS Developer speed with Full Stack Developer depth and Software Developer expertise into every project. 🌟 SAAS DEVELOPER EXCELLENCE My SaaS Developer standard comes from 14 years working as a SaaS Developer, delivering results like: - SmartSuite - a SaaS Developer MVP I built from startup concept as React Developer and Full Stack Developer SaaS specialist: $1.2M ARR in 4 weeks, $38M raised, Capital One trusted - Globalli - a SaaS Developer build for enterprise: HR/payroll across 125+ countries, SOC2 Type II, $15M raised, delivered as a SaaS Developer specialist including NextJS Developer and WordPress Developer work, all as a Full Stack Developer SaaS architect 🔧 SAAS DEVELOPER & MVP DEVELOPER SERVICES - Discovery & Prototype: a SaaS Developer engagement that gets you a clickable prototype in 5 days - NextJS Developer ready for startup scaling - Rescue Diagnosis: a SaaS Developer review with Full Stack Developer optimization and a performance audit - MVP & Landing Page: SaaS Developer MVP Development in 3 weeks, React Developer frontend and Software Developer backend - Sprint Subscription: a long-term SaaS Developer partner, Mobile App Developer and WordPress Developer support ⚡ MVP SPEED - SAAS DEVELOPER & MVP DEVELOPER DELIVERY - Legal SaaS platform + AI, delivered as a SaaS Developer → 2 months - AI Receptionist with CRM, an MVP Developer Python build → shipped in weeks - B2B Dental SaaS - SaaS Developer and Web Developer NextJS delivery → 3 weeks - Medical device MVP - MVP Developer Full Stack development with Software Developer patterns → 2 weeks - Multiple SaaS Marketing web projects built with Web Developer craft, React Developer expertise, and SaaS Developer focus 💡 WHY WORK WITH ME - Product Thinking First: as a SaaS Developer I ask "should you build?" not "what to build?" - most Software Developer freelancers skip this critical step - AI Speed & Quality: as a Full Stack Developer I use Claude Code, Lovable, Cursor as an engineer - not a prompt writer. Delivers enterprise-grade solutions - I'm a Founder Too: Full Stack Developer founder mentality, deep SaaS Marketing understanding, real startup experience - Offshore + Enterprise Standard: Ukraine-based Full Stack Developer with NextJS Developer, WordPress Developer, and Mobile App Developer expertise, plus Python Full Stack Developer capability. I deliver Web Developer quality with SaaS Marketing outcomes. I cover REST API architecture as a Full Stack Developer, NextJS Developer optimization, WordPress Developer customization, and Mobile App Developer delivery. Serving 70+ SaaS Developer clients across 7 countries, 30% return to work with me again as their SaaS Developer for their next startup project. I build AI-native systems with a SaaS Marketing focus. Every SaaS Developer and Software Developer engagement I take on ships with business metrics first. As a SaaS Developer and Full Stack Developer: $400K+ Upwork | 100% Job Success. ⚙ FULL STACK DEVELOPER & MVP DEVELOPER STACK AI & Integration: as a Full Stack Developer I rely on Claude Code, OpenAI, FastAPI, LangChain - NextJS Developer compatible Frontend: React, TypeScript, NextJS Developer tools, Vue.js Backend: Python Full Stack Developer stack: FastAPI, Django, Node.js, GraphQL, PostgreSQL DevOps: AWS, DigitalOcean, Docker, Kubernetes Every Full Stack Developer and MVP Developer project I take on includes this complete toolkit. I work as a NextJS Developer, WordPress Developer, and Mobile App Developer specialist, alongside my Python Full Stack Developer and Software Developer skills - optimized for WordPress Developer flexibility and SaaS Marketing success from day one of your startup project.