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$15/hr
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$30K+ earned
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Multi-Platform Proficiency: With a proven track record in Zoho, Salesforce, and HubSpot, I offer a comprehensive solution for your CRM, marketing automation, and sales management needs. My expertise spans customizing, configuring, and optimizing these platforms to meet your specific business requirements.
Zoho Enthusiast: I specialize in implementing Zoho CRM, Creator, and other Zoho apps to enhance your organization's efficiency. Whether it's creating custom modules, automating workflows, or developing bespoke applications within the Zoho ecosystem, I'm dedicated to improving your business processes.
Salesforce Mastermind: My deep understanding of Salesforce extends to building custom solutions, Apex development, and Lightning components. I can help you harness the full potential of Salesforce for lead management, opportunity tracking, and customer relationship management.
HubSpot Wizardry: In the realm of marketing automation, I excel at HubSpot. From setting up workflows, designing responsive landing pages, to crafting engaging email marketing campaigns, I can help you leverage HubSpot's features to boost lead generation and conversion.
Cross-Platform Integration: I specialize in creating seamless connections between Zoho, Salesforce, and HubSpot, allowing data to flow harmoniously between them. This integration optimizes lead nurturing, improves conversion rates, and enhances the collaboration between your sales and marketing teams.
Data-Driven Decision Making: I am passionate about leveraging data and analytics to inform your strategies. I can help you set up robust reporting and analytics in these platforms to track your marketing, sales, and customer service performance and make informed, data-driven decisions.
Problem-Solving and Collaboration: I thrive on tackling complex challenges and working collaboratively with cross-functional teams. Whether it's resolving technical issues, training non-technical staff, or aligning strategies across departments, I'm dedicated to finding innovative solutions that deliver results.
My mission is to empower businesses to thrive in the digital age by harnessing the power of Zoho, Salesforce, and HubSpot. With a commitment to excellence and a passion for technological innovation, I am dedicated to helping you achieve your goals, drive revenue growth, and enhance customer relationships.
Let's collaborate and transform your CRM, marketing, and sales operations. Connect with me today and let's discuss how I can be the catalyst for your success across these three powerful platforms.
$30/hr
78%
Job Success
$100K+ earned
Available now
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With 15+ years of hands-on industry experience and a proven track record of delivering 50+ successful projects for startups, SMEs, and enterprises, I bring a unique combination of deep technical expertise, business understanding, and creative problem-solving. Whether you need to build a scalable SaaS platform, migrate complex systems, develop an AI-powered application, or optimize an existing product, I deliver high-quality, secure, and future-proof solutions on time and within budget.
š” Why Clients Hire Me on Upwork
Proven Experience ā Worked with 10+ startups from idea stage to successful launch & scaling.
Full-Cycle Delivery ā From product planning and architecture to deployment and post-launch support.
Cross-Domain Expertise ā SaaS, Fintech, AI/ML, E-commerce, Healthcare, EdTech, and Real Estate.
Clear Communication ā I provide proactive updates, quick responses, and crystal-clear documentation.
š Core Skills & Tech Stack
š¹ Backend Development
Languages & Frameworks: Node.js (Express, NestJS), Python (Django, FastAPI, Flask), Ruby on Rails, PHP (Laravel)
Databases: PostgreSQL, MySQL, MongoDB, Redis, SQLite
APIs: REST, GraphQL, gRPC, WebSockets, Stripe, AWS, Firebase, Twilio integrations
š¹ Frontend Development
Frameworks: React.js, Next.js, Angular, Vue.js, Svelte
Styling & UI: TypeScript, Tailwind CSS, Bootstrap, Material UI, Chakra UI, SCSS
State Management: Redux, Context API, Recoil, Zustand
š¹ Mobile Development
React Native, Expo, Flutter (Dart)
š¹ Cloud & DevOps
AWS, GCP, Azure, Heroku, Vercel, Netlify
Docker, Kubernetes, GitHub Actions, GitLab CI/CD, Jenkins
Monitoring: Prometheus, Grafana, Sentry, ELK Stack
š¹ AI / Machine Learning / Data Science
Libraries & Tools: TensorFlow, PyTorch, Scikit-learn, OpenCV, Hugging Face, LangChain, GPT/OpenAI API
Data Analytics: Pandas, NumPy, Matplotlib, PowerBI, Google BigQuery, Apache Spark
NLP: spaCy, NLTK, RAG implementations
š Development Workflow
Version Control: GitHub, GitLab, Bitbucket
Agile Tools: Jira, Trello, Slack, ClickUp
Testing: Jest, Cypress, PyTest, Mocha, Postman
š What You Can Expect
ā
Fast, clear, and responsive communication
ā
Scalable architecture with clean, maintainable code
ā
Security best practices implemented from day one
ā
Flexible engagement models, hourly or fixed-price
š Letās Build Your Next Big Success
š© Message me now and letās discuss your project requirements.
Muhammad Talha M.
has worked
.
$25/hr
100%
Job Success
$40K+ earned
Available now
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š¦š²š»š¶š¼šæ ššš¹š¹ š¦šš®š°šø & šš šš²šš²š¹š¼š½š²šæ with š“+ šš²š®šæš building fast, secure, scalable web apps in š£šššµš¼š», šš·š®š»š“š¼, š„š²š®š°š, š”š¼š±š².š·š & š„ššÆš š¼š» š„š®š¶š¹š, now with šš/ššš integrations. I turn complex requirements into clean, production-ready products that ship on time.
Whether you need a brand-new MVP, a complex API, an AI-powered app, a high-volume web scraper, or a senior hand to rescue and scale an existing codebase, I deliver work that's reliable, well-tested, and built to grow with your business.
ā šŖšµš®š š š°š®š» š±š¼ š³š¼šæ šš¼š:
ā
Build full-stack web apps from scratch (frontend + backend + database)
ā
Design robust REST & GraphQL APIs
ā
Build šš š³š²š®šššæš²š: chatbots, RAG, semantic search, AI agents & automations
ā
Large-scale šŖš²šÆ š¦š°šæš®š½š¶š»š“ & automation (data extraction, bots, pipelines)
ā
Integrate payments, auth, email/SMS, and third-party services
ā
Optimize performance, fix bugs, and refactor legacy code
ā
Deploy, containerize & manage cloud infrastructure (AWS, Docker, CI/CD)
š¤ šš & ššš
OpenAI (GPT-4o), Anthropic Claude, Google Gemini, LangChain, LlamaIndex, RAG (Retrieval-Augmented Generation), AI Agents, Hugging Face, vector databases (Pinecone, Weaviate, pgvector, Chroma), embeddings, prompt engineering, OpenAI & Whisper APIs, fine-tuning
š ļø š§š²š°šµ š¦šš®š°šø
š¹ šš®š°šøš²š»š±: Python, Django, Django REST Framework, Flask, FastAPI, Node.js, Express.js, Nest.js, Fastify, Ruby on Rails, RESTful APIs, Apollo Server
š¹ ššæš¼š»šš²š»š±: React, Next.js, Vue, Angular, Redux, Redux-Saga, Redux-Thunk, Vuex, Vuetify, RxJS, Context API, Gatsby, TypeScript, JavaScript, React MUI, TailwindCSS, Bootstrap, SASS/LESS
š¹ šš®šš®šÆš®šš²š: PostgreSQL, MySQL, MongoDB, Firebase, GraphQL, ElasticSearch
š¹ šš¹š¼šš± & šš²šš¢š½š: AWS (EC2, S3, RDS, Lambda, DynamoDB, Cognito, CloudFront, CI/CD), Docker, Kubernetes, Jenkins, Google Cloud, Azure, DigitalOcean, Git
š¹ šŖš²šÆ š¦š°šæš®š½š¶š»š“ & šššš¼šŗš®šš¶š¼š»: Scrapy, Selenium, Puppeteer, Playwright
š¹ šš»šš²š“šæš®šš¶š¼š»š: Stripe, PayPal, Twilio, SendGrid
š¹ š š¶š°šæš¼šš²šæšš¶š°š²š & š„š²š®š¹-š§š¶šŗš²: Kafka, RabbitMQ, gRPC, Socket .io, WebRTC
š¹ š§š²ššš¶š»š“: Jest, Enzyme, Cypress, Pytest
š” šŖšµš š°š¹š¶š²š»šš šµš¶šæš² šŗš²:
āļø Senior-level code quality focused on performance, security & scalability
āļø Clear, proactive communication and consistent updates
āļø Deadlines respected, scope handled honestly, no surprises
āļø Long-term partner mindset, not just a quick fix
I treat every project like it's my own product. If you want a dependable developer who writes clean code, communicates clearly, and ships on time, let's talk.
š© Send me a message with a few details about your project and I'll reply with how I'd approach it.
šš²šš š„š²š“š®šæš±š,
Abdul Raheel
Senior Full Stack & AI Developer | Python Ā· Django Ā· React Ā· Node.js Ā· LLM/AI | 8+ Years
#FullStackDeveloper #Python #PythonDeveloper #Django #DjangoREST #RubyOnRails #NodeJS #ReactJS #NextJS #FastAPI #Flask #TypeScript #WebDevelopment #WebDeveloper #APIDevelopment #RESTAPI #GraphQL #AI #LLM #OpenAI #LangChain #RAG #AIChatbot #AIAutomation #WebScraping #Scrapy #Selenium #PostgreSQL #AWS #Docker
Abdul R.
has worked
.
$40/hr
100%
Job Success
$300K+ earned
Available now
Offers consultations
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ā
Let's start with a quick consultation or a small initial milestone so you can see I'm the right fit.
š„ ACHIEVEMENTS
āļø8+ years, 17,000+ hours, 42+ products as a Full Stack Developer React Node in SaaS Platform, MVP, AI-Powered and Web Application delivery
āļø$3.8M+ client impact, $900K+ direct revenue, ā¬420K paid MVP orders, Ā£11M annual business volume as a React Developer
āļø20,000+ active users across Web + Mobile Apps where Frontend React Developer execution with n8n supabase lifted engagement by 18ā27%.
āļø10,000+ users in Healthcare Web Application and HIPAA-Compliant systems where Frontend React Developer (flutterflow, v0, aws) ownership cut admin friction by 40%.
āļø2,423 completed orders, 489 registered customers, 34% faster handling in Ecommerce Website and CRM Platform MVP as a Full Stack Developer React Node.
āļø90% faster order processing, 80% lower manager workload, 65% fewer back-office actions through Workflow Automation, Document Workflow, and Frontend React Developer improvements.
āļø1,666+ catalog items, 4-role access, 2.7x operational capacity in B2B Marketplace and Registration and CRM System as a Full Stack Developer React Node.
āļø5ā8 weeks shorter MVP to Pilot Launch, 35% fewer bugs through Existing Codebase and Productionise work as a Full Stack Developer, React Node
āļø8 years as a web app developer react
āļø20+ projects as react next js developer and react nextjs with seo.
š YOU GET
āļø8+ yrs. Senior Full-Stack Engineer
āļø25+ builds, $3.8M+ client impact, end-to-end ownership as Full Stack Developer React Node
āļø20+ interfaces, 18ā27% engagement lift, clarity and trust as Frontend React Developer
āļø30ā40% faster cycles, cleaner UX, stronger retention across SaaS Platform products as React Developer
š WHERE I DELIVER
āļøAs a Frontend React Developer - 20+ systems with UI Development, UI/UX, Dashboard Build, Responsive UI Build across SaaS Platform, Booking Platform, Ecommerce Website.
āļøAs a React Developer - 15+ launches in next.js developer environments, 30ā40% faster iteration through Design-to-Code and Component Development.
āļøAs a Full Stack Developer React Node - 25+ end-to-end builds with Backend API, Backend System Development, Data Architecture, Secure, Scalable architecture from Early-Stage MVP to Live SaaS Platform.
āļøAs a frontend developer react, front end developer react, react native expo - web design, UI Polish, front end development improving conversion by 15ā22%.
āļøAs a react native developer expo, react native app developer, mobile app developer - 6+ mobile flows, 12ā19% better repeat usage through booking, notifications, payments.
āļøAs a frontend developer angular, node.js developer, backend nodejs engineer, python developer, python full stack developer django - 12+ backend-heavy products, 28% lower delivery risk.
āļøAs a Full Stack Developer React Node - 6ā18 month cycles through Scale Existing Platform, Professionalize & Scale, Review, Improve & Launch as a Long-Term Development Partner.
āļøAs a full stack react developer and full stack developer supabase react, including react developers ethiopia setups - 99%+ delivery consistency across distributed teams.
š INDUSTRY IMPACT
āļøMarketplace Platform, B2B Marketplace, Two-Sided Marketplace, B2B Services - thousands of listings, 20%+ better lead quality as a Frontend React Developer and Full Stack Developer React Node.
āļøHealthcare Web Application, Clinic Management SaaS, Telehealth, HIPAA-Compliant - 10,000+ users, 25%+ better staff capacity as a Frontend React Developer
āļøAI-Powered - 5+ products, Custom AI Solutions, AI Agent Platform, AI Chatbot, RAG Chatbot, OpenAI, Claude API, FastAPI as a React Developer and Full Stack Developer React Node.
āļøLogistics Platform, ERP, Internal Workflow Management System, Owner Dashboard - hours saved per order cycle, 30%+ faster reporting as a Full Stack Developer React Node.
āļø Research Platform, LegalTech SaaS, Fintech MVP, PropTech MVP - 18% better adoption through Frontend React Developer quality and structured permissions.
āļøWellness Marketplace, Rental Platform, Automotive Marketplace - scalable Multi-Vendor Ecommerce and React PWA patterns, 3ā5 weeks faster time-to-market.
āļø HOW I BUILD
āļø25+ products as a Frontend React Developer: java react, react.js, react native mobile, react next tailwind frontend, javascript, typescript, html, html5, css3, Tailwind CSS, React Bootstrap, Responsive Design, jQuery.
āļø15+ systems as a Full Stack Developer React Node: supabase postgres, laravel, MySQL, MongoDB, firebase, stripe, full stack node.js react. Integrations across payment, maps, auth, and third-party APIs.
āļø10+ ecosystems: wordpress developer, shopify, web3 frontend, php, .net, flask, vue, vue.js, angular, svelte, webflow, mern stack as a react js developer and react web developer.
āļø40+ products: git, Software Development, Software Architecture & Design, Software Design with ux designer, engineer mindset. Secure, Scalable delivery from Proof of Concept to production
Yurij M.
has worked
.
Associated with
Soft Bee
$400K+
earned
United States
$50/hr
100%
Job Success
Available now
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š Top 1% Talent | AI & SaaS Engineer | Senior FullāStack Developer | Python, FastAPI, MERN, DevOps
ā
$400K+ Total earnings
ā
10+ Years experience in AI, SaaS & FullāStack Development
ā
30+ Projects Completed | Top Rated Plus
ā
100% Job Success Rate | AWS & Python Certified
ā
40+ hrs/week availability
ā
Proven track record in scaling SaaS & AI platforms
šš & ššš Expertise
š¹ AI Agents & Voice AI: LangChain, LangGraph, VAPI, Twilio, Whisper, Deepgram, ElevenLabs
š¹ LLM FineāTuning: PEFT, LoRA, QLoRA, RLHF, DPO with HuggingFace AutoTrain, Axolotl, Unsloth
š¹ OpenāSource Models: LLaMA 3, Mistral 7B, Mixtral 8Ć7B, Falcon, Gemma, Bloom
š¹ Inference Optimization: vLLM, TGI, TensorRTāLLM for highāspeed deployments
š¹ Prompt Engineering: Multiāturn, Fewāshot, Zeroāshot, RAGābased pipelines
š¹ Quantization: AWQ, GPTQ, GGUF, GGML for efficient LLM deployment
š¹ RAG Systems: LangChain, LlamaIndex, Chroma, FAISS, Pinecone, Qdrant
š¦š®š®š¦ & ššš¹š¹āš¦šš®š°šø Expertise
š¹ SaaS Product Development from concept to launch
š¹ MultiāTenant SaaS Architecture & Subscription Platforms
š¹ MVP Development for Startups & Founders
š¹ B2B & B2C SaaS Applications, CRM & ERP Systems
š¹ Customer Portals, Admin Dashboards & Analytics Platforms
š¹ Stripe Billing & Payment Integrations
š¹ Authentication, Authorization & RoleāBased Access Control (RBAC)
š¹ Workflow Automation Platforms & AI SaaS Applications
š¹ Database Architecture, Optimization & Scalability
š¹ Cloud Deployment & Longāterm Maintenance
šš®š°šøš²š»š±, šššš¼šŗš®šš¶š¼š» & šš²šš¢š½š
š¹ Python (FastAPI, Flask, Django), Node.js, Express.js
š¹ REST APIs, WebSockets, background jobs, bug fixing & urgent production issue resolution
š¹ Automation workflows with Python scripts, n8n, Make, and external APIs
š¹ Web scraping & data pipelines (auth, rate limits, antiābot bypass)
š¹ Redis, Celery task queues, Docker, Kubernetes, AWS Lambda
š¹ CI/CD pipelines with GitHub Actions, GitLab CI, Jenkins
š¹ Infrastructure automation: Terraform, Ansible, Nginx, monitoring with Prometheus/Grafana
š¹ Cloud deployments: AWS EC2, S3, SageMaker, GCP AI Platform, DigitalOcean, Heroku
ššæš¼š»šš²š»š± & š šš„š” Skills
š¹ MERN stack: MongoDB, Express.js, React.js, Node.js
š¹ Next.js, Redux Toolkit, Tailwind CSS for highāperformance frontends
š¹ TypeScript, JavaScript, HTML5, CSS3
š¹ Progressive Web Apps (PWA) & Single Page Applications (SPA)
š¹ Crossāplatform UI with React Native & Vue.js
šš²š®š±š²šæššµš¶š½ & šš¼š¹š¹š®šÆš¼šæš®šš¶š¼š»
š¹ Skilled at guiding Agile teams and mentoring developers to reach their full potential
š¹ Strong track record of stabilizing projects and scaling them into enterpriseāgrade solutions
š¹ Adaptable to multiple time zones, ensuring smooth collaboration across global teams
š¹ Committed to delivering results quickly while maintaining high standards of quality
š¹ Excellent communicator, able to align technical solutions with business objectives
š I build productionāready AI systems, SaaS platforms, and automation workflows designed to scale seamlessly. Whether itās developing a new SaaS product, launching an AIāpowered MVP, or stabilizing critical backend infrastructure, I bring seniorālevel technical expertise and proven leadership to deliver reliable results.
If your goal is to create an AIānative SaaS solution, streamline workflows, or deploy an MVP that performs under realāworld conditions, Iām ready to help you make it happen.
šš²ššš¼šæš±š
Full Stack Developer, Senior Software Engineer, SaaS Developer, SaaS Application Developer, SaaS Architect, Startup MVP Developer, MERN Developer, React Developer, Next.js Developer, JavaScript Developer, TypeScript Developer, Node.js Developer, Python Developer, FastAPI Developer, Django Developer, Backend Developer, Frontend Developer, AI Engineer, AI SaaS Developer, LLM Engineer, AI Agent Developer, Voice AI Developer, Prompt Engineer, RAG Systems Developer, Cloud Application Developer, DevOps Engineer, AWS Developer, GCP Developer, Docker, Kubernetes, CI/CD, Terraform, Ansible, Redis, PostgreSQL, MongoDB, MySQL, Stripe Integration Expert, API Integration Developer, CRM Developer, ERP Developer, Dashboard Developer, Subscription Platform Developer, MultiāTenant SaaS Developer, Automation Engineer, Web Scraping Expert, Workflow Automation Developer, Software Architect, Product Developer.
Farrukh S.
has worked
.
Pakistan
$30/hr
100%
Job Success
$10K+ earned
Start of list.
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I am a seasoned Software Developer with a Bachelor of Science in Computer Science and a strong background in both front-end and back-end development. Skilled in a range of programming languages including Python, NodeJS, and Flutter, I specialize in creating scalable web applications and robust software solutions. My expertise extends to advanced web development with React.js, comprehensive backend frameworks like Django and Express.js, and proficient use of cloud services such as AWS, Azure, and Google Cloud Platform.
Throughout my career, I have successfully delivered projects as a Software Developer at Tech Solutions Inc., where I developed high-performance applications and collaborated effectively with cross-functional teams. As a Full Stack Developer at Digital Innovations LLC, I designed user-friendly interfaces and built seamless RESTful APIs, deploying applications that maintain high operational standards.
I am equipped with solid problem-solving skills and am familiar with essential collaboration tools including Jira, Slack, and Zoom, ensuring efficient remote work capabilities. Whether developing from scratch or optimizing existing systems, I bring a meticulous and analytical approach to achieve both technical excellence and business goals.
Muhammad Qasim G.
has worked
.
Associated with
Primzel Technologies
$40/hr
100%
Job Success
$80K+ earned
Available now
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Python Django full stack developer specializing in SaaS MVPs and fintech platforms - 14 production-ready SaaS MVPs delivered in 4 to 6 weeks across fintech, expense management, and AI-powered web applications.
I build scalable web applications that go from idea to working product fast: Django REST databases, and OpenAI API integrations. My focus is on clean architecture that's easy to maintain and extend - not overengineered, not held together with duct tape.
My core work covers full stack SaaS development from MVP to production, multi-tenant SaaS architecture, Django and FastAPI backends with role-based access and authentication, subscription and payment integration, React and Node.js frontends, AI integrations using OpenAI API and Google Document AI, and cloud infrastructure on AWS with Docker.
How I work:
I start by mapping exact requirements and proposing a tech stack that fits your timeline and budget. I move fast, communicate clearly, and deliver working software - not just code. Every project includes documentation and handover so your team can take ownership after launch.
Recent work:
Built an AI-powered check scanning feature for Spendbase, a B2B expense management SaaS platform based in Delaware. Using Python and Google Document AI, we automated data extraction from paper checks and integrated it into their existing expense workflow - delivered on a tight deadline with full documentation and zero disruption to the live platform.
If you need a production-ready SaaS MVP, a Django backend with AI integration, or a reliable Python full stack partner for the long term, let's talk.
Yurii K.
has worked
.
Associated with
Inspirit Dev
$100K+
earned
$20/hr
94%
Job Success
$200K+ earned
Available now
Start of list.
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Iām a seasoned Full Stack Developer & AI/ML Engineer with over 10 years of experience building scalable, production-ready applications. I focus on combining **data-driven intelligence** with **robust software engineering** to achieve real business resultsānot just prototypes.
Iāve worked with startups, enterprises, and SaaS teams to turn complex ideas into high-performing digital products that scale.
Artificial Intelligence & Machine Learning
* Generative AI solutions (ChatGPT / OpenAI APIs, LLM fine-tuning, custom AI copilots)
* Intelligent chatbots, AI automation workflows, and agent-based systems
* Predictive analytics, recommender systems, NLP, and computer vision
Full Stack Development
* MERN / MEAN / Django / Flask / Node.js / Next.js
* REST APIs, GraphQL, microservices architecture
* Modern, responsive UI/UX using React, Tailwind CSS, and contemporary JS frameworks
* Mobile & cross-platform development with **Flutter**
Ā Cloud & DevOps
* AWS, GCP, Azure
* CI/CD pipelines, Docker, Kubernetes
* Scalable system design and database optimization (SQL, NoSQL, Firebase)
What sets me apart is my ability to **bridge AI innovation with solid engineering discipline**, ensuring solutions are reliable, maintainable, and ready for real-world use.
If youāre building a next-gen SaaS product, an Ā AI-powered platform, or looking to **scale your application intelligently**, Iād be happy to collaborate.
Letās connect and discuss how I can help you build future-ready solutions that stand out.
Ranjit S.
has worked
.
$35/hr
100%
Job Success
$70K+ earned
Available now
Offers consultations
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š£šššµš¼š» & šš®šš®š¦š°šæš¶š½š engineer building SaaS platforms, APIs and automation systems āļø Focused on scalable backend architecture and production-ready web apps.
I work as a Full Stack Developer and Python Developer across both frontend and backend systems, designing products from scratch, improving legacy platforms, integrating APIs, and scaling architecture for long-term growth. In backend-heavy systems, I act primarily as a Python Developer and Node.js Developer, while on client-facing interfaces I operate as a React Developer and JavaScript Developer.
As a Full Stack Developer and Python Developer, I worked in startup environments, Big Tech companies, and enterprise teams, collaborating in international English-speaking settings. I followed structured workflows using Jira, Kanban boards, sprint planning, and code review processes where a Node.js Developer and Python Developer often share backend responsibilities depending on service boundaries.
I have 10+ years of experience as a Python Developer, working deeply with Python for backend systems, automation, and data pipelines. In parallel, I have 7+ years of experience as a Node.js Developer building scalable APIs and real-time services. On the frontend side, I have 5+ years of experience as a React Developer and JavaScript Developer building modern UI systems.
During my career as a Full Stack Developer and Python Developer, Iāve implemented 200+ REST APIs and integrations across payment systems, messaging APIs, and AI services. Many of these were split between Node.js Developer services for real-time workloads and Python Developer services for data processing and ML pipelines.
Primary stack: Python (FastAPI, Django, DRF), Node.js (Express, NestJS), TypeScript, JavaScript Developer, React Developer, Next.js, PostgreSQL, MongoDB, Redis, Supabase. In practice, this means I switch between Python Developer roles for backend intelligence layers and Node.js Developer roles for event-driven systems and APIs, while React Developer and JavaScript Developer responsibilities cover frontend architecture and UI delivery.
Over the last 10+ years as a Full Stack Developer and Python Developer, Iāve built SaaS products, automation systems, AI platforms, and analytics engines. These systems typically combine Python Developer services for processing and Node.js Developer services for orchestration, with React Developer dashboards and JavaScript Developer frontends.
My main focus today as a Python Developer and Full Stack Developer is AI engineering, backend architecture, and scalable systems. I design RAG pipelines, LLM integrations, and automation workflows where Python Developer components handle computation-heavy logic and Node.js Developer services manage API orchestration.
I have experience as a Python Developer running asynchronous workers processing 10K+ background jobs daily, and as a Node.js Developer building event-driven microservices for high-throughput systems. On the frontend, as a React Developer and JavaScript Developer, I build dashboards, admin panels, and product interfaces.
As a Full Stack Developer and Python Developer, I take ownership of both backend and frontend architecture, including APIs, databases, authentication systems, and performance-critical applications. In most systems Iāve delivered, the backend is split between Python Developer services and Node.js Developer services, while the frontend is handled with React Developer and JavaScript Developer stacks.
One thing that separates me is that I understand both production engineering and AI-generated code risks. As a Python Developer and Node.js Developer, I regularly review and refactor AI-generated backend logic to ensure stability, while as a React Developer and JavaScript Developer I ensure UI logic stays maintainable and scalable.
I donāt just generate code quickly. As a Full Stack Developer, Python Developer, Node.js Developer, React Developer, and JavaScript Developer, I build systems that remain stable under scale and long-term maintenance pressure.
As a Senior Full Stack Developer and Python Developer, I care about clean architecture, fast delivery, and systems that donāt collapse under growth.
Rostyslav Z.
has worked
.
$25/hr
100%
Job Success
$10K+ earned
Offers consultations
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š Top-Rated on Upwork š 100% Job Success Score ā
Expert Python Developer
š Hi, I'm a Full Stack Developer with 3+ years of experience, specializing in Python ecosystems, modern web technologies, and AI service integration over the web. I have a proven track record in building scalable web applications using Django, FastAPI, React.js, Next.js and other modern web technologies while seamlessly integrating AI-powered functionalities. Passionate about turning ideas into reality, I focus on delivering high-performance, AI-driven solutions that align with business objectives.
ā
Why Work With Me?
š Service Before Money ā Your satisfaction is my priority
š Full-Stack Proficiency ā Expertise in both frontend & backend
š Uncompromising Communication ā Clear & transparent updates
š Weekend Support ā Available beyond standard work hours
š Dedicated Freelancer ā 100% commitment to your project
š Attention to Detail ā Writing clean, optimized, and scalable code
š Problem Solver ā Troubleshooting & debugging with efficiency
š Client-Centric Approach ā Your vision, my execution
ā
Technical Expertise
š¹ Backend Development: Python, Django, Django Rest Framework, FastAPI, Flask
š¹ Frontend Technologies: React.js, Next.js, Tailwind CSS, Bootstrap
š¹ AI Integration: OpenAI, Hugging Face, FAL, LangChain, TensorFlow, PyTorch
š¹ Databases: PostgreSQL, MySQL, MongoDB, SQLite
š¹ Cloud & DevOps: AWS (EC2, S3, Lambda, RDS), Azure, DigitalOcean, Docker, CI/CD (GitHub Actions, GitLab CI/CD)
š¹ API Development: RESTful & GraphQL APIs with OpenAPI specs
š¹ Version Control: Git, GitHub, GitLab
š Key Achievements
ā
Developed AI-powered virtual try-on applications for e-commerce platforms
ā
Integrated OpenAI & Hugging Face APIs to enhance user experience with AI-driven features
ā
Built scalable ERP systems optimizing business processes and efficiency
ā
Developed CMS solutions for seamless content management
ā
Created automated web scraping solutions to extract real-time business insights
ā
Developed admission portals & fees management systems improving enrollment processes
ā
Optimized code to reduce development time & improve performance
ā
Set up cloud-based infrastructures (AWS, Docker) for scalable deployments
Looking for a skilled Full Stack Developer to bring your project to life? Let's collaborate! Feel free to send me a message, and let's discuss how I can help you achieve your goals.
Thanks & Regards,
Sohel Sura