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$25/hr
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Job Success
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👋 It's a Python | JavaScript | TypeScript | full stack developer profile!
I am a Full Stack Developer / Team Lead with 8+ years of hands-on experience building, scaling, and maintaining real production systems, not just demo apps.
I work with startups and growing companies that care about clean architecture, long-term scalability, and predictable delivery. I have shipped platforms across AI, fintech, healthcare, and SaaS, handling everything from backend design to frontend performance and cloud deployments.
If you want someone who can own the whole stack and think beyond tickets, you are in the right place.
🚀 What I Bring to the Table:
🟢End-to-end Full Stack Development (frontend, backend, infrastructure)
🟢Strong backend foundations with Python (Django, DRF, Flask, FastAPI)
🟢Modern, scalable frontends with React, Next.js, TypeScript
🟢AI & data-driven systems with LLMs, OpenAI, Snowflake
🟢Cloud-native deployments on AWS
🟢CI/CD pipelines that actually make releases safer
I have led teams, worked solo, fixed legacy systems, and built new products from scratch. I’m comfortable taking responsibility for outcomes, not just code.
🧠 Real-World Experience Highlights:
🟢AI-powered fintech analytics platform
FastAPI, Next.js, TypeScript, LLMs, OpenAI, Snowflake, AWS
→ Natural-language data querying, analytics pipelines, secure cloud setup
🟢SaaS & enterprise web platforms
Django / DRF, React, PostgreSQL, Docker
→ Stable APIs, scalable databases, clean business logic
🟢Healthcare workflow automation system
Django, React, Node.js, AWS, CircleCI
→ Real-time communication, OAuth, background processing
🟢Modern Node / NestJS applications
NestJS, React, Next.js, MongoDB, GraphQL
→ Clean service-oriented architecture and API design
🛠️ Core Technical Stack:
🔥 Frontend
🟢React, Next.js, TypeScript
🟢Component-driven architecture
🟢Performance optimization & maintainable UI logic
🟢Responsive, production-ready UX
🔥 Backend & APIs
🟢Python: Django, Django REST Framework, FastAPI, Flask
🟢Node.js: NestJS, Express
🟢REST APIs, GraphQL
🟢Authentication, authorization, background jobs (Celery, Redis)
🔥 Databases & Data
🟢PostgreSQL, MySQL, MongoDB
🟢Redis, Elasticsearch
🟢Snowflake for analytics-heavy workloads
🟢Schema design & query optimization
🔥 AI & Integrations
🟢OpenAI / LLM integrations
🟢Natural-language querying systems
🟢AWS Textract & document parsing
🟢Secure third-party API integrations
🔥 DevOps & Cloud
🟢AWS (EC2, Beanstalk, Lambda, RDS, IAM, ECS/ECR)
🟢Docker, Kubernetes
🟢CI/CD with GitHub Actions, Jenkins, CircleCI
🟢Production deployments & monitoring
🤝 How I Work:
✔️Clear communication, i.e., no guessing, no surprises
✔️Senior-level full-stack development ownership and accountability
✔️Comfortable leading teams or working hands-on
✔️Focused on scalability, performance, and maintainability
✔️I care about building things that don’t fall apart six months later.
✅ Best Fit If You Need:
➡️A Senior Full Stack Developer
➡️A Python / Django / FastAPI expert
➡️A React / Next.js developer for scalable frontends
➡️A developer who understands AI, data, and system design
➡️Someone who can step in and move things forward confidently
📩 Let’s talk.
Whether you are launching an MVP, scaling an existing product, or cleaning up a complex codebase, I can help you do it right.
Let's chat for 15 minutes (FREE) to discuss your project.
𝐂𝐥𝐢𝐜𝐤 "𝐈𝐧𝐯𝐢𝐭𝐞 𝐭𝐨 𝐉𝐨𝐛" 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐭𝐮𝐫𝐧 𝐲𝐨𝐮𝐫 𝐯𝐢𝐬𝐢𝐨𝐧 𝐢𝐧𝐭𝐨 𝐫𝐞𝐚𝐥𝐢𝐭𝐲!
— Ahmad
Senior Full Stack Developer | Team Lead
Ahmad B.
has worked
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$80/hr
100%
Job Success
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✅ Top Rated | 1900+ Hours | 100% Job Success
I build production grade SaaS platforms, AI systems, realtime applications, high concurrency backend infrastructure, and full stack mobile and web platforms.
Most developers today can generate code with AI tools. Very few can architect systems that remain scalable, maintainable, and reliable once real users, payments, concurrency, and operational complexity enter the picture.
That’s where I work best.
My background is deeply rooted in backend engineering, distributed systems, and full stack architecture. AI has simply become another layer in the systems I design, not a replacement for engineering fundamentals. I work with startups and growing businesses that need more than just MVP development. They need stable foundations that can scale properly over time.
I specialize in building:
* Multi tenant SaaS platforms
* AI orchestration and agentic workflows
* Operational AI systems integrated into real business workflows
* High concurrency backend infrastructure
* Payment and subscription systems
* Realtime dashboards and event driven systems
* Queue based architectures and worker orchestration
* Telephony and communication platforms
* Customer engagement and loyalty systems
* Workflow automation platforms
* RBAC and enterprise permission systems
* QR based tracking and attendance systems
* API platforms and microservices architecture
My AI experience goes beyond simple chatbot integrations and includes:
* RAG pipelines and retrieval systems
* Agentic workflows and AI orchestration
* Tool execution pipelines
* AI voice calling systems
* Operational AI agents
* Document intelligence and OCR pipelines
* Permission aware retrieval systems
* AI powered workflow automation
* AI integrated backend infrastructure
My primary stack includes:
* Node.js, TypeScript, Python, PHP
* React, Next.js, Angular
* React Native, Expo, Flutter
* FastAPI, Tornado, Django, Flask, Express, NestJS, Laravel, Symfony
* PostgreSQL, MySQL, Redis, Supabase, MongoDB, DynamoDB
* Docker, Kubernetes, AWS, GCP
* OpenAI, Claude, LangChain, pgvector
* Websockets, SSE, realtime systems
* CI/CD pipelines and cloud native deployments
* Large scale data extraction using Selenium, PlayWright, Requests, HTTPx, Requests
* AI Chatbots, Slack bot, Telegram bot, Discord bot
I regularly work with:
* Queue systems and distributed workers
* Event driven architectures
* Payment infrastructure including Stripe
* Backend optimization and scaling
* Transactional consistency and idempotency
* Observability, monitoring, and debugging
* Realtime synchronization systems
* Serverless and microservices environments
Most of my engineering foundation was built long before the current AI wave, with a strong focus on backend systems, scalability, distributed infrastructure, and software architecture.
I care heavily about:
* Clean architecture
* Performance under load
* Execution reliability
* Long term maintainability
* Scalability and operational stability
* Backend observability and debugging
* Cost efficient infrastructure design
* Transactional integrity and failure handling
I don’t just build features. I help architect systems correctly so they survive real growth.
If you’re building a serious product and need an engineer who can own complex technical problems independently, I’d be happy to discuss your project.
Chaudhry I.
has worked
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Montenegro
$45/hr
94%
Job Success
$90K+ earned
Start of list.
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- Data Analysis & Machine Learning: Leveraging Python libraries (Pandas, NumPy, Scikit-learn) to extract insights and build predictive models.
- Web Development: Creating robust, scalable web applications using Django/Flask.
- Automation: Streamlining workflows and processes through custom scripts and tools.
- Cloud Services: Deploying and managing applications in cloud environments (AWS, Google Cloud, Azure).
- Code Quality: Ensuring high standards through unit testing, integration testing, and code reviews.
I'm passionate about solving challenging problems and am always eager to learn and adapt to new technologies. Whether you're looking to develop a new application, optimize your existing projects, or extract actionable insights from your data, I'm here to help you achieve your goals with precision and efficiency.
As a seasoned Python developer with over 15 of experience, I specialize in turning complex problems into elegant solutions. My expertise spans across data science, machine learning, web development, and automation, enabling me to lead projects that drive innovation and efficiency. I've successfully delivered projects for diverse industries, including finance, healthcare, and tech startups, always focusing on delivering high-quality, scalable, and maintainable code.
Anton P.
has worked
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$25/hr
100%
Job Success
$2K+ earned
Available now
Offers consultations
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Hello! I’m Muhammad Asif, a Full-Stack & DevOps expert with over a decade of hands-on experience architecting, building, and scaling mission-critical web and mobile applications. My solutions have generated millions in combined client ROI through automation, AI integration, and rock-solid infrastructure.
✅ Core Expertise
Backend & APIs: Python, Django, Flask, FastAPI, REST/GraphQL
Frontend: React, Next.js, React Native, Flutter, HTML/CSS, Bootstrap
AI & Automation: GPT-4/LLMs, RAG pipelines, Computer Vision, NLP, Custom Bots
Cloud & DevOps: AWS, GCP, Kubernetes, Docker, Terraform, GitHub Actions & Jenkins CI/CD
Data & Analytics: PostgreSQL, MySQL, MongoDB, DynamoDB, Data Pipelines, ETL
Integrations: OpenAI, Stripe, Twilio, Telegram, Telnyx, Third-party APIs
Web Crawling: Scrapy, BeautifulSoup, Headless Chrome Puppeteer
🏆 Why Partner with Me
Proven Track Record: 30 + successful projects across healthcare, e-commerce, real estate & finance
Award-Winning Leadership: Forttuna 2024 Young Business Leader in AI & Software Architecture
End-to-End Ownership: From rapid prototyping to zero-downtime deployments & post-launch support
Clear Communication: Weekly demos, transparent roadmaps, fixed milestones & 24h response time
Client Satisfaction: 5-star feedback highlights punctuality, code quality & ROI focus
🚀 My Process
Discovery & Planning: Deep dive into your goals, KPIs & user journeys
MVP & Prototyping: Interactive demo within the first sprint
Agile Delivery: Bi-weekly sprints, prioritized backlog & stakeholder reviews
Quality Assurance: Automated tests, code reviews & security audits
Deployment & Scaling: Containerized CI/CD, monitoring, and ongoing optimizations
I’m based in EST hours and available for live video consultations to align on scope, timelines, and deliverables. Let’s discuss how I can bring your vision to life and drive measurable growth.
👉 Invite me to your project or send a message to schedule a call!
Muhammad A.
has worked
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Albania
$25/hr
$2K+ earned
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Experienced Software Engineer with a demonstrated history of working in the information technology and services industry. Skilled in Python, Flask, FlaskRest, Databases, RESTful WebServices, ORM, Microsoft SQL Server, MySQL, PostgreSQL and MongoDB. Experience with pandas, numpy, SciPy, OpenCV . Experience with automated test. Strong engineering professional with a Master of Science (M.Sc.) focused in Computer Science from University of Tirana ,Faculty of Natural Science.
Pakistan
$20/hr
100%
Job Success
$100K+ earned
Offers consultations
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I’m a highly skilled Full Stack Developer with over 4 years of experience, specializing in developing high-performance, scalable web applications. With a solid foundation in Computer Science and advanced expertise in Data Science, I bring both theoretical knowledge and practical skills to solve complex technical challenges.
🔧 Core Expertise: ✅
✅ Programming Languages: Python, JavaScript, HTML, CSS
✅ Backend Frameworks: Django, Flask, FastAPI and Node Js
✅ Frontend Frameworks: React.js, Next.Js, Bootstrap, Material-UI
✅ API Development: RESTful APIs, GraphQL, API Design & Integration
✅ Database Management: PostgreSQL, MySQL, SQLite, MongoDB
✅ Web Scraping & Data Processing: BeautifulSoup, Scrapy, Selenium, Pandas
✅ Microservices & Containerization: Docker, Kubernetes, API Gateway
✅ DevOps & CI/CD: Docker, Kubernetes, Jenkins, GitHub Actions
✅Cloud Platforms: AWS, Google Cloud, Microsoft Azure
✅Security: SSL/TLS, OAuth, JWT, Security Best Practices
✅Testing & Debugging: Unit Testing, Selenium, Postman
✅Agile Methodology: Scrum, Kanban, Jira
🎯 Why Choose Me?
I deliver clean, scalable code and innovative solutions that are tailored to your specific needs. Whether you need a robust backend, a dynamic frontend, or seamless API integration, I’ve got you covered. My experience with cloud platforms, microservices, and CI/CD pipelines ensures that your applications are not just functional but also efficient and future-proof. I’m committed to delivering high-quality solutions that drive long-term value for your projects.
Educational Background:
✅ Bachelor’s Degree in Computer Science
✅ Master’s Degree in Data Science
Let’s work together to bring your project to life with precision, reliability, and a focus on long-term success. I’m ready to partner with you to achieve your business goals through top-tier software development and data-driven insights.
United S.
has worked
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$40/hr
100%
Job Success
$40K+ earned
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Need a Python backend that scales, integrates AI, and just works? I build production-grade systems — from REST APIs and WebSocket services to LLM-powered features and AWS infrastructure.
What I deliver:
→ Python backends with clean architecture (Django, FastAPI — 6+ years)
→ AI/LLM integration: OpenAI, Claude, RAG pipelines, real-time analysis
→ AWS infrastructure: ECS, S3, CloudFront, RDS, Terraform
→ Billing systems: Stripe, Apple IAP
→ Real-time features: WebSockets, Celery async processing
Recent work: Built Typeza (typeza.ai) — an AI-powered SaaS platform with real-time audio transcription, parallel AI model calls across 15 trait dimensions, and full Stripe + Apple IAP billing.
Previously: Backend developer at DIZZBO (logistics SaaS, Berlin) and full-stack at Lingvist (AI language learning, 2M+ users). 15 Upwork projects, 100% Job Success Score.
I communicate clearly, deliver on time, and write code that future developers will thank you for. Let's discuss your project.
Virko K.
has worked
.
$39/hr
100%
Job Success
$100K+ earned
Offers consultations
Start of list.
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⭐⭐⭐⭐⭐ "The final result and customer satisfaction exceed expectations"
- Gleb Goloborodko, Founder, GetCode
⭐⭐⭐⭐⭐ "Their team respects our internal situation while being proactive towards
upcoming issues"
- Pavol Norulak, Managing Director & Co-Founder, NSI
I help product teams build backend systems that scale cleanly - multi-tenant SaaS
platforms, B2B product backends, eCommerce infrastructure, and async event-driven
architectures that stay reliable when traffic, data, and requirements grow.
𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗰𝗵𝗼𝗼𝘀𝗲 𝘁𝗼 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲
• Architecture-first thinking - the right design decision on day one prevents expensive
rewrites later
• Milestone-based delivery with demos and documentation at every stage - no black-box
development
• Early risk identification - scope and budget issues surfaced before they become problems
• One senior developer who also manages the project - clear communication, no handoffs,
no surprises
• Long-term technical partnership mindset - accountable for outcomes, not just code
delivery
• Production-ready from day one: test coverage, CI/CD, structured logging, error monitoring
Over 8 years, my team at Angle2 and I have shipped SaaS platforms, marketplaces, CRMs,
B2B portals, analytics platforms, job boards, and payment-integrated products across
fintech, eCommerce, and enterprise software - on time, within scope, with full
documentation. My 14+ years in project management means you get senior development
combined with predictable delivery
𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗦𝗮𝗮𝗦 𝘀𝘆𝘀𝘁𝗲𝗺𝘀
• SaaS & B2B backends: multi-tenant architecture, tenant isolation, row-level security,
role-based access control, OAuth / authentication, audit logging
• eCommerce & marketplace systems: product catalogues, order management, inventory,
payment flows, webhook event handling
• Payment integrations: Stripe Connect (Standard & Express), subscription billing,
split-payment flows, async webhook handling
• APIs: Django REST Framework, FastAPI, RESTful API design, REST API, third-party
integrations (Stripe, Twilio, OpenAI, Gmail API)
• Async systems: AsyncIO, Celery, Redis, background workers, job scheduling, distributed
event processing
• Data processing: ETL pipelines, web scraping, PDF/document parsing, bulk CSV ingestion,
data workflows
• Cloud & DevOps: AWS, GCP, Azure, Docker, CI/CD (GitHub Actions, GitLab CI),
structured logging, error monitoring
𝗔𝗜 & 𝗟𝗟𝗠-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝘀𝘆𝘀𝘁𝗲𝗺𝘀
• Intelligent assistants and AI-powered features using LangChain, OpenAI API, and RAG
pipelines
• Vector search and semantic retrieval: FAISS, Pinecone, vector database integrations
• LLM workflows integrated into structured backend APIs with production stability
• System architecture for AI-enabled products - reliable, scalable, maintainable
𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀
• SaaS MVP development - system architecture through production-ready deployment
• Multi-tenant platform builds - data isolation, tenant management, subscription tiers
• eCommerce backend development - marketplace logic, inventory, fulfilment integrations
• Payment system integration - Stripe Connect, subscription billing, webhook pipelines
• AI / LLM integration - LangChain, RAG pipelines, vector search, OpenAI API
• Backend architecture audits and implementation roadmaps
• PostgreSQL schema design and query optimisation
• Django to FastAPI migration planning
• AWS / GCP cloud architecture review and cost optimisation
• CI/CD pipeline setup - production-ready from day one
My background is senior Python backend development - 8 years of building SaaS
platforms, B2B product backends, and eCommerce infrastructure using FastAPI, Django
REST Framework, AsyncIO, Celery, PostgreSQL, Redis, AWS, and GCP.
I focus on projects where architecture matters from day one - multi-tenant SaaS platforms,
marketplace backends, B2B portals, and eCommerce systems where scale and reliability
are not optional.
Beyond core backend work, I integrate LangChain, RAG pipelines, and OpenAI API into
production systems - built to be stable, maintainable, and part of a real product rather than
a prototype.
If you are building a SaaS platform, a marketplace, a B2B portal, or a payment-integrated
product and need a senior Python backend developer who manages the delivery end to end
- I would like to hear about it.
Associated with
Angle2
$900K+
earned
$22/hr
100%
Job Success
$10K+ earned
Offers consultations
Start of list.
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I help 𝐟𝐨𝐮𝐧𝐝𝐞𝐫𝐬 𝐚𝐧𝐝 𝐭𝐞𝐚𝐦𝐬 𝐭𝐮𝐫𝐧 𝐦𝐞𝐬𝐬𝐲 𝐢𝐝𝐞𝐚𝐬 𝐢𝐧𝐭𝐨 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐬𝐨𝐟𝐭𝐰𝐚𝐫𝐞 — fast, clean, and maintainable.
I’ve been deep in Python for 4+ years, building automation systems, full-stack web apps, and scrapers that don’t break when websites change.
I also run webvani.com, my own micro-studio where I’ve delivered projects that quietly power real businesses.
What clients usually appreciate
“Clear communication — no surprises.”
“Delivers fast, without cutting corners.”
“Thinks like a teammate, not a contractor.”
A few real outcomes
✔️ Automated 50K+ data entries daily for a trading firm — zero downtime.
✔️ Built a web dashboard for live analytics (FastAPI + React) — cut manual work by 70%.
✔️ Created Telegram mini-apps used by 1K+ users.
What I’m great at
Automation & Scraping — Selenium, Scrapy, BeautifulSoup, Botasaurus
Web Apps — Django, FastAPI, Flask, React, TailwindCSS
Databases — PostgreSQL, MySQL, MongoDB
Cloud / DevOps — AWS, GCP, DigitalOcean
Integrations — Payments, SSO, OpenAI, Telegram Bots
If you’re looking for a developer who communicates clearly, takes ownership, and genuinely cares about the outcome
— let’s start with a small milestone and build from there.
Parth D.
has worked
.
$30/hr
100%
Job Success
$10K+ earned
Available now
Offers consultations
Start of list.
End of list.
Clients work with me when they need someone who understands both engineering depth and business impact and can design systems that scale, stay stable and reduce operational overhead.
I’m a Solutions Architect, Data Engineer and Backend Developer with 14+ years of experience building scalable data platforms and production grade backend systems for Ecommerce, Fintech, SaaS and Healthcare companies.
I help businesses solve complex data and backend problems by designing systems that are reliable, secure and built for real world scale. From data ingestion to APIs and cloud deployment, I focus on clean architecture, automation and long term maintainability rather than quick fixes.
My core expertise covers end-to-end data pipelines, backend services and cloud infrastructure using Python, Java, SQL and modern cloud platforms. I design ETL workflows, APIs and distributed systems that handle high volume data, background processing and integrations with confidence.
On the data side, I build automated pipelines that extract, clean, validate and deliver analytics-ready data to warehouses, dashboards and APIs. On the backend side, I design API first systems, microservices and integrations that power products reliably under load.
What I work on:
• Data Engineering & ETL Pipelines (Python, Pandas, PySpark, SQL)
• Backend Development & APIs (Python, Java, FastAPI, Django, Flask)
• Cloud Architecture & Deployments (AWS, GCP, Azure)
• Data Warehousing & Analytics (Redshift, BigQuery, Snowflake)
• Workflow Orchestration & Automation (Apache Airflow)
• Web Scraping & Data Extraction (Scrapy, Selenium, APIs)
• Distributed Systems, Async Processing & Messaging
• Database Design & Performance Optimization
• Docker, Kubernetes, CI/CD and production deployments
If you’re looking for a senior engineer who can own data pipelines, backend architecture and cloud infrastructure end to end, let’s talk.
Syed Waqas F.
has worked
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