Next.js • React • TypeScript • RAG Systems • Scalable Pipelines
Building systems that compounds!
I’m an AI-native software engineer focused on building AI-powered, high-performance SaaS products, complex UIs, and production-grade backend pipelines.
Delivered systems ranging from multi-service architectures and Redis/Celery ingestion pipelines to AI title generation, RAG chatbots, and cross-browser extensions. I specialize in taking unclear ideas → working products, owning everything from architecture to UI polish to performance optimization.
What I’m strong at:
- Next.js, React, TypeScript
- AI/ML workflows: RAG chatbots, prompt engineering, contextual AI processors
- Dashboards, editors, complex interfaces
- Backend architecture: Express/Hono/FastAPI microservices, tRPC, auth, webhooks
- Scraping & data pipelines: Python Playwright scrapers, Redis Streams, Celery workers
- Full UI/UX overhauls: onboarding flows, skeletons, modals, editors, complex layouts
How I work:
- Senior-level ownership: I solve problems, not just complete tasks
- Clean, maintainable, production-ready systems
- Clear communication, fast iteration, proactive suggestions
- End-to-end delivery: from architecture → implementation → optimization
If you need someone who can own a full system, fix a broken one, or build an AI-powered feature from scratch, I’m your guy.
Redis
Next.js
React
Tailwind CSS
TypeScript
UI Animation
MySQL
MongoDB
PostgreSQL
Python
Claude
GSAP
FastAPI
Web Development
Responsive Design
Oguzhan Tarik G.
Istanbul, Turkey
$70/hr
5.0
40 jobs
I’m a Full Stack Developer, SaaS Developer, MVP Developer and AI Integration Developer focused on building production-ready web applications, SaaS platforms, MVP products, AI-powered applications and scalable internal tools.
My work sits at the intersection of Full Stack Development, SaaS Development, MVP Development, AI Integration, Backend Development and product architecture. I help founders, startups and growing teams turn early product ideas into real software products, from validation-stage prototypes to launch-ready SaaS platforms, dashboards, admin panels, customer portals, workflow tools and AI-enabled applications.
As a Full Stack Developer, I work across frontend, backend, databases, APIs and product logic. My frontend work is usually React and Next.js based, while my backend work often involves Node.js, Python, FastAPI, REST APIs, authentication systems, database architecture, third-party integrations and scalable backend services.
As a SaaS Developer, I focus on building SaaS products that can support real users, real workflows and long-term product growth. This includes multi-role dashboards, user permissions, authentication, subscription-ready flows, payment integrations, admin panels, reporting systems, customer portals, API integrations and operational tools that teams can confidently use after launch.
As an MVP Developer, I help founders and product teams move quickly without building throwaway prototypes. I focus on the core user journey first, then design the technical foundation around what the product needs to become. My MVP Development work helps teams launch faster while keeping the product maintainable, scalable and easier to improve after the first release.
As an AI Integration Developer, I build AI-powered features inside real products, not isolated demos. My AI Integration work can include AI agents, AI workflows, LLM-based features, automation logic, data processing, AI-powered dashboards, chatbot features, recommendation systems and backend systems that connect AI functionality with real business workflows.
As a Backend Developer, I design and build the technical foundation behind SaaS platforms, MVP products and AI-powered applications. This includes APIs, database models, authentication, authorization, background jobs, integrations, backend workflows and scalable service logic that keeps products reliable as they grow.
Clients typically work with me when they need:
* a Full Stack Developer who can own frontend, backend, databases and APIs
* a SaaS Developer who understands product architecture and long-term scalability
* an MVP Developer who can turn an idea into a launch-ready product
* an AI Integration Developer who can add practical AI features into real software
* a Backend Developer experienced with Node.js, Python, FastAPI and REST APIs
* a Full Stack Developer for SaaS MVPs, dashboards and internal tools
* a SaaS Developer for authentication, permissions, payment flows and admin panels
* an MVP Developer for startup products, early-stage platforms and validation builds
* AI Integration support for automation, AI agents, AI workflows and LLM-based features
* React and Next.js web applications connected to stable backend systems
* scalable API-driven products built for real users and future growth
* internal tools, CRMs, portals, dashboards and operational platforms
* backend-connected SaaS platforms with clean database architecture
* product modernization, technical rebuilds and architecture improvements
A large part of my work as a Full Stack Developer, SaaS Developer, MVP Developer and AI Integration Developer focuses on:
* Full Stack Development for SaaS platforms and web applications
* SaaS Development from MVP to scalable product architecture
* MVP Development for founders, startups and early-stage products
* AI Integration for SaaS products, dashboards and automation workflows
* React and Next.js frontend development
* Node.js and Python backend development
* FastAPI, REST APIs and third-party API integrations
* database architecture with PostgreSQL, MongoDB and Redis
* authentication, authorization and role-based access
* dashboards, admin panels, CRMs and customer portals
* workflow automation and AI-enabled business logic
* backend systems for AI-powered applications
* internal tools and operational platforms
* scalable product architecture for growing teams
* API-first software products built for real business use
My Full Stack Developer work is focused on making sure the frontend, backend, database, APIs and integrations work together as one stable product. My SaaS Developer work is focused on building products that can support real users, repeated workflows and long-term product growth. My MVP Developer work is focused on helping teams launch the right first version quickly and intelligently.
If you need a Full Stack Developer, SaaS Developer, MVP Developer can support your product end to end, feel free to invite me!
Full-Stack Development
React
Node.js
Python
JavaScript
Web Application
API
API Integration
Web Design
HTML
Laravel
Vue.js
PHP
Bootstrap
Software Architecture & Design
Software Development
CSS
Git
SaaS Development
Minimum Viable Product
Emir B.
Istanbul, Turkey
$75/hr
4.9
47 jobs
I’m Emir Borovac — a Senior Python Engineer & AI Specialist with deep experience in automation, reverse engineering, scraping, machine learning, and building high-performance backend systems. I've reverse-engineered platforms like Instagram, built AI data extraction pipelines, and created custom automation systems that save 40+ hours of manual work weekly.
If you're looking for a results-driven, highly skilled developer who delivers on time — let’s connect!
🧰 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
𝗣𝘆𝘁𝗵𝗼𝗻 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴
✔ Flask, FastAPI, Django, Celery
✔ Custom APIs, RESTful + GraphQL
✔ Backend Architecture & Scaling
𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗰𝗿𝗮𝗽𝗶𝗻𝗴
✔ Selenium, Playwright, BeautifulSoup
✔ Headless browsers, CAPTCHA bypass
✔ Social media, legal & e-commerce data
𝗔𝗜, 𝗠𝗟 & 𝗗𝗮𝘁𝗮 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴
✔ OpenAI, LLMs, LangChain, Transformers
✔ Image OCR + NLP for document parsing
✔ Scikit-learn, PyTorch, TensorFlow
𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀
✔ Solana, Reddit, Instagram (reverse engineered)
✔ WordPress, Google Cloud, Firebase
✔ Payment & eCommerce APIs
𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀
✔ Docker, GitHub Actions, CI/CD
✔ AWS, GCP, Azure
✔ PostgreSQL, Redis, MongoDB
🧰 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗣𝗿𝗼𝘃𝗶𝗱𝗲
🐍 Python Engineering & Automation
✔ Custom automation scripts & bots
✔ Complex backend systems with Django / FastAPI / Flask
✔ Web & desktop app development using Tkinter, Electron.js
✔ Task scheduling with Celery & cron jobs
✔ Cross-platform Python tools with GUI
🧠 AI, Machine Learning & Data Science
✔ ML model development (classification, regression, clustering)
✔ Deep Learning (CNNs, LSTMs, RNNs) with PyTorch / TensorFlow / Keras
✔ NLP: Chatbots, summarizers, sentiment analysis, legal AI
✔ OpenAI / HuggingFace / LangChain / LLM pipelines
✔ AI for receipts, invoices, documents, OCR
✔ Generative AI: text-to-image, content creation
✔ AI Automation & multi-agent systems (LangChain, CrewAI)
🕷 Web Scraping & Reverse Engineering
✔ Scrapers for any website (eCommerce, Reddit, Instagram, TikTok, Facebook, legal sites)
✔ Bypass protections: Cloudflare, CAPTCHA, dynamic content
✔ Reverse engineering of web apps & APIs (media downloaders, geo-story extractors)
✔ Proxy rotation, user-agent spoofing, headless scraping
✔ Data parsing from PDF, HTML, JSON, XML, TXT
🌐 API Design, Integration & Custom Backends
✔ RESTful & GraphQL APIs
✔ Authentication systems (OAuth2, JWT)
✔ Real-time APIs with WebSocket
✔ Integration with third-party APIs: WordPress, Google Cloud, Solana, OpenAI
✔ Custom plugin development (e.g. WordPress auto-publishing)
💻 Full Stack Web Development
✔ Django + React / Vue / Next.js web applications
✔ Responsive frontend using Tailwind, Bootstrap, HTML5, JS
✔ Flutter for cross-platform mobile apps
✔ Admin dashboards, CRMs, internal tools
✔ Pagination, authentication, charts & real-time updates
☁️ DevOps & Deployment
✔ Dockerized environments
✔ CI/CD with GitHub Actions, GitLab, Jenkins
✔ Kubernetes for microservices
✔ Serverless functions (AWS Lambda, Firebase)
✔ App deployment to AWS, Heroku, GCP, Azure
✔ Nginx, Gunicorn, Apache server configuration
📊 Data Analytics & Visualization
✔ Data wrangling with Pandas & NumPy
✔ Visual reports using Matplotlib, Seaborn, Plotly
✔ Database design: PostgreSQL, MySQL, SQLite, Redis
✔ Google Sheets automation
✔ Structured data transformation & cleaning
🎯 Extra Services You Might Need
✔ Code refactoring, optimization & cleanup
✔ Debugging and performance tuning
✔ Technical documentation writing
✔ Project planning, architecture design
✔ Technical mentoring / code review
✔ Legacy code migration / modernization
✔ Freelance team collaboration
✅ Why Work with Me?
✔ 100% Job Success – Clients trust me to deliver on time with high-quality results.
✔ Automation & AI Focused – I specialize in reducing manual work and boosting efficiency.
✔ Problem-Solving Mindset – I love reverse engineering, debugging, and optimizing systems.
✔ Reliable & Responsive – You’ll get clear communication, fast iterations, and flexible solutions.
✔ Security & Best Practices – I prioritize performance, maintainability, and secure coding standards.
💻 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
✔ Django, FastAPI, Flask, Node.js & Express backends
✔ React, Vue, Next.js with Tailwind & Bootstrap
✔ Full-featured apps: dashboards, CRMs, APIs, Auth, Realtime UI
✔ Cross-platform desktop apps using Electron.js + backend logic
I am looking forward to hear back from you! 🎯
Python
API
Web Scraping
Automation
ML Automation
AI App Development
Machine Learning Model
Data Manipulation Language
Data Analysis
Baran A.
Istanbul, Turkey
$65/hr
5.0
31 jobs
🏆 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | ⏳ 6+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 | 🔥 𝐅𝐚𝐬𝐭 & 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐖𝐞𝐛 𝐀𝐩𝐩𝐬
-
Hi there 👋, I’m a Full Stack Developer with 6+ years of experience building fast, scalable, and production-ready web applications. I combine deep development expertise with modern AI-powered workflows to deliver high-quality results in record time.
🧠 I use tools like 𝗖𝘂𝗿𝘀𝗼𝗿, 𝗟𝗼𝘃𝗮𝗯𝗹𝗲, or 𝗕𝗼𝗹𝘁.𝗻𝗲𝘄 to kickstart development fast – and then refine the codebase with my own experience and technical precision to ensure it’s clean, maintainable, and optimized for performance. You get the best of both worlds: speed + quality.
From landing pages and SaaS dashboards to backend APIs and authentication flows, I help founders and teams turn ideas into high-performing digital products – and solve technical challenges along the way.
⚡ 𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝘁𝗵𝗲 𝗧𝗮𝗯𝗹𝗲
• 𝗥𝗲𝗮𝗰𝘁 + 𝗧𝗮𝗶𝗹𝘄𝗶𝗻𝗱 UI development from Figma or wireframes
• Full-stack implementation using 𝗦𝘂𝗽𝗮𝗯𝗮𝘀𝗲, 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲, 𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝗦𝗤𝗟, or MongoDB
• API development & backend logic with 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗘𝘅𝗽𝗿𝗲𝘀𝘀, and 𝗥𝗲𝗱𝗶𝘀
• Deployment via 𝗩𝗲𝗿𝗰𝗲𝗹, 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲, 𝗡𝗲𝘁𝗹𝗶𝗳𝘆, 𝗥𝗮𝗶𝗹𝘄𝗮𝘆, 𝗗𝗼𝗰𝗸𝗲𝗿, and more
• Code consistency using 𝗣𝗿𝗲𝘁𝘁𝗶𝗲𝗿, 𝗚𝗶𝘁, and modular architecture
💡 𝗧𝗼𝗼𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗜 𝗨𝘀𝗲
• Frontend: React, TypeScript, Tailwind CSS, Redux, ShadCN, Zustand
• Backend: Node.js, Express, Supabase, PostgreSQL, MongoDB, Firebase, Redis
• DevOps / Infra: Docker, Railway, Vercel, Netlify, GitHub Actions
• Testing & More: Jest, Enzyme, CircleCI, Postman
• AI Tools: Lovable, Bolt.new, Cursor, Windsurf, and more.
🧩 I’m also highly experienced in building AI-powered applications. I can help you integrate APIs such as OpenAI, Claude, Gemini, and more – and implement complex intelligent features that truly enhance user experience.
✨ 𝗪𝗵𝗮𝘁 𝘀𝗲𝘁𝘀 𝗺𝗲 𝗮𝗽𝗮𝗿𝘁
Beyond technical skills, I care deeply about communication and client satisfaction. I provide regular updates, ensure clarity at every stage, and aim to build long-term, trust-based relationships with everyone I work with.
📩 Whether you’re looking to bring an idea to life – or need help solving a technical problem – let’s connect, make a plan, and turn that plan into a powerful, working product.
HTML5
JavaScript
Next.js
React
TypeScript
Node.js
Front-End Development
Full-Stack Development
CSS
Web Development
HTML
Web Application
API
API Integration
PostgreSQL
Ozenc D.
Antakya, Turkey
$20/hr
4.9
7 jobs
High-Performance Backend Solutions & AI-Powered Business Automation
I specialize in building scalable, production-ready backends using Python (FastAPI, Flask) and integrating cutting-edge AI/LLM models to automate complex workflows. Whether you need a robust API architecture or a custom AI agent, I deliver clean, Dockerized, and well-documented code.
Core Expertise:
• Backend: Python, FastAPI, PostgreSQL, MongoDB, Redis.
• AI & Data: OpenAI API, LangChain, Pandas, NumPy, TA-Lib (Trading Bots).
• Automation: n8n, Zapier, Custom Python Scripts.
• DevOps: Docker, AWS/DigitalOcean, CI/CD.
While my primary focus is Backend & AI, my proficiency in Node.js and React allows me to bridge the gap between complex logic and seamless user interfaces, ensuring a holistic architectural approach.
I don't just write code; I build systems that scale.
Redis
Python
FastAPI
Artificial Intelligence
Large Language Model
n8n
PostgreSQL
API Integration
LangChain
Asynchronous I/O
Vector Database
Docker
Git
GitHub
MongoDB
Ali G.
Izmir, Turkey
$65/hr
5.0
26 jobs
🔥 AI-POWERED BACKEND & FULL STACK ENGINEERING
Need a scalable payment system? AI-driven claims processing?
A complete SaaS MVP from zero to production? That's exactly
what I build.
I'm a Senior Backend Engineer and Founder of WeBridge Software
with 8+ years of experience. I combine deep NestJS/PostgreSQL
expertise with cutting-edge AI/LLM integration and modern
frontend skills (React, Next.js) to deliver intelligent,
production-ready systems.
WHAT I'VE DELIVERED:
✅ 4 years as core backend engineer for a $26M-funded
HealthTech-Fintech startup — AI-driven claims processing,
payment systems, and dashboards across the GCC region
(NestJS, PostgreSQL, Kafka)
✅ AI-powered document processing & RAG systems with OpenAI API
✅ Event-driven microservice ecosystems with Kafka, Redis,
and ElasticSearch
✅ Complete SaaS MVPs delivered end-to-end: API + frontend +
deployment
✅ Real-time APIs handling 10K+ concurrent WebSocket connections
WHAT CLIENTS SAY:
"Ali is an experienced professional, who respects his job,
delivers on time, and is easy to communicate with. We worked
on a long-term project without any issue and definitely would
work with him again."
TECHNICAL EXPERTISE:
🧠 AI & LLM: OpenAI GPT, Claude API, RAG Systems, AI Agents,
LangChain, Embeddings, Vector Databases
🔙 Backend: NestJS, Node.js, Express, TypeScript, GraphQL
🖥️ Frontend: React, Next.js, TypeScript, Tailwind CSS
💾 Databases: PostgreSQL, MongoDB, MySQL, Redis, ElasticSearch
⚡ Architecture: Microservices, Event-Driven (Kafka, Bull),
REST & GraphQL APIs
☁️ Cloud & DevOps: Docker, AWS (EC2, S3, Lambda), CI/CD
💳 Fintech: Stripe, Payment Gateways, Multi-currency Systems
🏥 HealthTech: Claims Processing, Medical Billing APIs
WHY I DELIVER 3X FASTER:
I use AI-assisted development workflows (Claude Code, Cursor,
AI agents) daily. Faster delivery, fewer bugs, more value for
your budget — without compromising quality.
Ready to discuss your project? Send me a message — I typically
respond within 2 hours.
Node.js
Sails.js
React Native
MongoDB
RESTful API
NestJS
JavaScript
API
TypeScript
Software Architecture & Design
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