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$30/hr
100%
Job Success
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Yasir H.
has worked
.
I'm a Full-Stack Developer with 8+ years of experience building scalable, production-ready web applications using React, Next.js, TypeScript, and Node JS — with a strong focus on clean UI/UX and modern AI integration.
Over the past 2 years, I've specialized in integrating OpenAI APIs, ChatGPT, and LLM-powered features into real-world products — including RAG pipelines, AI chat interfaces, prompt engineering workflows, and ElevenLabs voice integrations. If you're building an AI-powered web app, I know this stack deeply.
⚡ Frontend: React, Next.js, TypeScript, Angular, Redux, Tailwind CSS, Material-UI, GraphQL, REST APIs, Figma-to-code, responsive UI/UX
⚡ AI & Integrations: OpenAI API, ChatGPT, RAG, ElevenLabs, Stripe, Twilio, Google Maps, SendGrid, Firebase, Mapbox, Telnyx, Deepgram
⚡ Backend: Node.js, Nest JS, Express, .NET Core, C#, Entity Framework, JWT, Websockets
⚡ Databases: MongoDB, PostgreSQL, SQL Server, Redis, DynamoDB, Firebase Firestore
⚡ Cloud & DevOps: Azure, AWS (EC2, S3, DynamoDB), App Center, Firebase Distribution
I apply solid UI/UX principles throughout — not just functional interfaces, but experiences that feel polished and intuitive. I've worked across fintech, edtech, healthcare (HIPAA-compliant), and SaaS products.
100% Job Success Score · Top Rated Plus · 35+ completed projects · 10,000+ hours on Upwork.
Let's talk about your project.
$45/hr
100%
Job Success
$400K+ earned
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Yevhen U.
has worked
.
Senior Angular & TypeScript developer with 10+ years building web applications — most recently at ClickUp, where I worked on core product features used daily by millions of users. Before that, 8 years with a US-based property management company, growing from engineer to team lead — building everything from internal back-office tools to user-facing apps and mobile products.
I'm at my best on complex, detail-heavy UIs where performance and UX genuinely matter. I've led engineering teams, built shared component libraries, and care as much about clean architecture as I do about what actually moves the business forward.
I care about the outcome, not just closing the ticket — I'll flag when something doesn't add up and suggest a simpler path when I see one.
Happy to share examples of similar work — feel free to check my portfolio or reach out to discuss your project.
$16/hr
100%
Job Success
$200K+ earned
Available now
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Anita R.
has worked
.
With over 12 years of full-stack development experience, I’ve successfully delivered scalable, secure, and high-performing web applications, CRMs, eCommerce platforms, and business portals for clients worldwide.
Whether you're a startup or an established business, I provide robust and tailor-made solutions designed to streamline your workflows and elevate your digital presence.
💡 My Expertise Includes:
Web Technologies: Vue.js, AngularJS, jQuery, HTML5, CSS3, JavaScript
Frameworks & Platforms: Laravel, CodeIgniter, Yii, WordPress, Joomla, Drupal, Magento, OSCommerce, WooCommerce
Database Management: MySQL
App Development: Progressive Web Apps (PWA), Single Page Applications (SPA)
Custom Web Portals, CRMs, and Scalable Web Applications
I believe in building solutions that are not only technically sound but also user-centric and business-aligned.
📈 Let's work together to simplify your operations, enhance your product, and solve your toughest challenges — efficiently and reliably.
United Arab Emirates
$30/hr
98%
Job Success
$800K+ earned
Available now
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Faizan A.
has worked
.
AI Consulting, CTO Expertise, Full Stack Development. Workflow Automations and Digital Transformations
🏆 Helped LulaCommerce Raise $10M in funding starting from scratch and now 1000+ stores on board
🏆 AUAV powered by software developed by us now used by clients like Rio Tinto, Energy Australia reducing the need of manpower by over 80%
🏆 Worked with leading marketplaces for therapists like Mental Health Match and UK Therapy Guide with thousands of therapists and customers on board
🏆 Setup and Manage dedicated team for LOCL.AI that power local seo for leading chains and travel destinations
⭐⭐⭐⭐⭐ "Faizan and his team were excellent! They were an extension of our team and were able to cover full-stack development across our web and mobile presence.
⭐⭐⭐⭐⭐ "Faizan, has a great team of professional developers. Part from his skill foremost I loved his attitude to work and manage product needs"
⭐⭐⭐⭐⭐ "Faizan is great and very reliable, I knew he was a great fit for our project as soon as we jumped on the phone. If you're looking for someone to turn your idea into a reality then Faizan and his team are your answer. I don't know very much about software, and most people I interviewed made everything way overcomplicated and asked me questions I wouldn't know how to answer in a million years. Faizan gave me no BS, and spoke to me in terms I could understand."
As a CTO, I provide guidance on product roadmap planning, architecture design, and technology stack selection, enabling businesses to achieve sustainable growth.
Web Development:
Transforming ideas into reality through cutting-edge web technologies and design.
AI Consulting:
Strategic integration of AI technologies to enhance operational efficiency and innovation.
CTO Expertise:
Leadership in product roadmap planning, architecture design, and tech stack selection.
Full Stack Development:
Comprehensive development using technologies like Python, React, NextJs, Node, and more.
Let’s collaborate to take your project to the next level. Contact me today to discuss how I can bring your vision to life.
Associated with
ESketchers
$50/hr
100%
Job Success
$200K+ earned
Offers consultations
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Dmytro N.
has worked
.
👋 Hi! I’m a 🏆 ⭐️⭐️⭐️⭐️⭐️Top Rated Senior Full Stack Developer / Front End Developer and Head of Engineering at GroupBWT - a 100+ member software company with over 15 years of experience building SaaS platforms, automation systems, data-driven tools, and large-scale enterprise applications.
As a Full Stack Developer and Front End Developer, I design and deliver complete end-to-end systems with a focus on long-term scalability and maintainable architecture. My role as a Full Stack Developer includes system design, backend logic, and infrastructure decisions, while as a Front End Developer I ensure fast, responsive, and conversion-focused interfaces that perform well under real production load.
What we deliver for our clients:
✅ SaaS products supporting 30,000+ active users with real-time collaboration features
✅ Platforms processing over 70,000 API requests per day
✅ Automation systems that reduce manual workflows by 50–65%
✅ Scalable architectures designed to handle 5–8× traffic growth without redesign
🔁 What I Do
📦 End-to-End Application Development (Full Stack Developer / Front End Developer)
As a Full Stack Developer, I build complete systems from scratch, including architecture decisions and deployment strategies. As a Front End Developer, I focus on UI structure, performance, and usability in real production environments.
🔹 SaaS platforms
🔹 Admin dashboards & internal toolsefficiency
🔹 Real-time systems
🔹 Multi-tenant architectures
🔹 Subscription & billing systems
Across all projects, I work as a Full Stack Developer responsible for system consistency from frontend to backend.
🎨 Frontend Engineering (Front End Developer focus)
As a Front End Developer, I build interfaces that remain stable under heavy usage and complex state changes, while aligning closely with backend systems built by Full Stack Developers.
🔹 React / Next.js applications with reusable architecture
🔹 State management systems
🔹 Tailwind & UI systems
🔹 Performance optimization
🔹 Real-time UI updates connected to Full Stack Developer event systems
The goal of every Front End Developer implementation is predictable performance and clean UI behavior.
⚙️ Backend Engineering (Full Stack Developer focus)
As a Full Stack Developer, I design backend systems with reliability, scalability, and observability in mind, ensuring smooth interaction with Front End Developer interfaces.
🔹 REST & GraphQL APIs
🔹 Microservices architectureindependently
🔹 Async workers
🔹 WebSockets and real-time systems
🔹 External API integrations
Each Full Stack Developer decision is made with long-term system evolution in mind.
🧩 Recent Experience (Full Stack Developer / Front End Developer)
✅ Multi-Tenant SaaS Platform (React + Node js + Python)
Lead Full Stack Developer for a platform serving 50K+ monthly users and 30+ organizations.
✔ 100K+ daily API calls • 25M+ records • Billing for $500K+/year
✅ Enterprise CRM (React + Node js)
Primary Full Stack Developer for a CRM used in 12 countries.
✔ Automated workflows cut manual work by 70%
✔ 200K+ processed events/day • 8 API integrations
✅ Scheduling Platform (React + Node js + Python)
As a Full Stack Developer, designed booking logic for 20K+ bookings/month.
✔ Real-time availability (<80ms)
✔ Payment flows processing $1M+ annually
✅ Data Platform (Python + React)
End-to-end ownership as a Full Stack Developer, delivered pipelines processing 3M+ records/day.
✔ 85% faster data prep • <1s dashboard latency
✅ Workflow Automation Engine (React + Node.js)
Built as a Full Stack Developer full automation replacing spreadsheets and manual operations.
✔ 40K+ tasks/day • 92% fewer errors • 70% less manual work
🤝 Why Clients Choose Me as a Full Stack Developer and Front End Developer
✔ True Full Stack Expertise
With 16+ years as a Full Stack Developer, I deliver complete systems, not fragments.
✔ Mastery of React, Node js, and Python
All three technologies are used deeply and consistently across my projects as a Full Stack Developer.
✔ GroupBWT Strength
🔹 Since 2009
🔹 100+ engineers
🔹 Dedicated Full Stack Developer division
🔹 Proven reliability and fast communication
✔ Business Impact
Clients report:
➡ 50% faster delivery
➡ 60% lower manual overhead
➡ 10× fewer bugs after release
All thanks to proper Full Stack Developer engineering principles.
💻 Tech Stack (Full Stack Developer / Front End Developer)
Languages: JavaScript, TypeScript, Python, PHP
Frontend: React, Next.js, Vue, Angular, Tailwind, Material UI
Backend: Node.js, NestJS, FastAPI, Flask, GraphQL, REST
Databases: PostgreSQL, MongoDB, MySQL, Redis
Cloud & DevOps: AWS, GCP, Azure, Docker, Kubernetes, CI/CD
Architectures: SaaS, microservices, event-driven systems
🚀 If you need a scalable web platform - let’s connect.
➡️ Invite me to your job, and I’ll help design and build a reliable production system.
Associated with
GroupBWT
$3M+
earned
$30/hr
100%
Job Success
$100K+ earned
Available now
Start of list.
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Anshul P.
has worked
.
If your software is slow, unstable, or difficult to scale, the root problem is usually hidden in the architecture or database design.
I help companies stabilize, scale, and modernize complex applications built with .NET, React, and SQL Server.
I’m a Senior Full Stack Developer with 10+ years of experience building and scaling secure, high-performance applications across industries like Healthcare, Fintech, Logistics, Education, and Enterprise SaaS.
I specialize in modern full stack development and legacy system modernization, helping businesses turn complex software challenges into stable, scalable products.
Whether you need to launch an MVP, stabilize an existing system, or modernize legacy software, I bring both technical expertise and product thinking to deliver long-term results.
What I Can Help You With
✔ Building scalable SaaS platforms and web applications
✔ Fixing and stabilizing buggy or slow systems
✔ Modernizing legacy applications (.NET Framework, WCF, Classic ASP → modern architecture)
✔ Designing and developing secure APIs and microservices
✔ Improving performance, scalability, and maintainability
✔ Integrating third-party services and complex APIs
✔ Supporting teams with architecture decisions and technical leadership
Tech Stack
Frontend
React.js
Angular
TypeScript
JavaScript
Tailwind CSS
Backend
.NET Core
C#
Node.js
Express.js
RESTful APIs
Databases
SQL Server
PostgreSQL
MongoDB
Cloud & DevOps
AWS (EC2, S3, RDS, Lambda, API Gateway)
Azure (App Services, Cosmos DB, Azure Functions)
Docker
Azure DevOps
GitLab
Bitbucket
Real-Time Systems
SignalR
WebSockets
Kafka
API Integrations
REST APIs
GraphQL
Payment & third-party service integrations
Industry Experience
🏥 Healthcare
HIPAA-compliant platforms, telehealth systems, secure patient data systems
💳 Fintech
Secure payment platforms, financial transaction systems
🚚 Logistics
Real-time tracking systems and workflow automation platforms
💼 Enterprise SaaS
Scalable multi-tenant SaaS applications and CRM systems
🎓 Education
Learning management systems and EdTech platforms
Results I've Delivered
• Stabilized enterprise systems handling thousands of daily users
• Optimized APIs and databases to significantly improve system performance
• Modernized legacy applications into modern .NET architecture
• Built scalable SaaS platforms supporting growing customer bases
Why Clients Work With Me
✔ 10+ years of real-world development experience
✔ Strong product and business mindset
✔ Clean, scalable, and maintainable code practices
✔ Experience working in Agile development teams
✔ Comfortable owning full lifecycle development (frontend → backend → cloud)
✔ Focus on long-term stability and scalability
My Approach
I don’t just deliver code — I help build reliable software that supports real business growth.
Every project focuses on:
• Clean architecture
• Performance optimization
• Security best practices
• Scalable infrastructure
• Maintainable codebases
Let’s Build Something Great
If you're looking for a developer who can quickly understand complex systems, solve technical challenges, and contribute to long-term product success, I’d love to help.
Let’s connect and discuss how we can build something fast, secure, and scalable.
Associated with
Joenish Tech Pvt Ltd
$90K+
earned
$20/hr
100%
Job Success
$30K+ earned
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Vikas C.
has worked
.
Hi there, I'm Vikas Chandra a front-end web developer with 5 years of experience in creating responsive, user-friendly websites. As a developer, I'm passionate about turning creative designs into functional and elegant websites that not only look great, but also perform well.
My expertise includes both code and no code platforms and technologies like Web Flow, HTML, CSS, JavaScript, jQuery and various front-end frameworks, including React, Angular. I have experience working with both small and large teams, and I'm comfortable with agile development methodologies.
In my previous roles, I have worked on a variety of projects, from small business websites to large e-commerce platforms. I have experience with website optimization, accessibility, and cross-browser compatibility. I'm always eager to learn new technologies and techniques, and I'm dedicated to staying up to date with the latest trends and best practices in front-end development.
If you're looking for a front-end web developer who can bring your designs to life and create a great user experience for your website visitors, feel free to reach out to me.
$50/hr
100%
Job Success
$900K+ earned
Available now
Offers consultations
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Most AI projects die between an impressive demo and a system real users can actually rely on. I close that gap: AI Agents, RAG systems, and production-ready ML that ship in 3-7 weeks, not stall in an endless pilot.
Expert-Vetted (Upwork Top 1%), AI Developer, AI Engineer, and fractional CTO, 9+ years in Machine Learning and software architecture. As co-founder of Softermii, a full-cycle AI and custom software development company, I lead teams turning AI strategy into deployed systems, from data pipelines and LLM orchestration to scalable backend architecture and enterprise integrations.
🚀 Core Focus — AI Agent Consulting & Delivery
I provide consulting and implementation for agentic AI systems that observe, reason, and act across business workflows:
AI Agents & Autonomous Workflows
LLM-Powered Products and Copilots
RAG Systems and Knowledge AI
AI Orchestration Architectures
AI Integration into Existing Platforms
AI MVP Validation and Architecture Design
My approach combines strategy, architecture, and delivery, helping companies avoid costly overengineering and ship production-ready AI faster.
🧠 What I Deliver
AI Consulting and Technical Strategy
Agentic AI System Design
Generative AI Development
Machine Learning and Predictive Analytics
AI App Development and Automation
NLP, Computer Vision, and Data Science
Enterprise AI Integration and Modernization
Recent production work: a RAG-based AI agent live with 30+ healthcare providers in its first week, driving a 40% increase in bookings; a real-time AI moderation system live 2+ years with zero downtime incidents.
I work across Healthcare, FinTech, Logistics, Real Estate, and E-commerce, building systems that improve operations, reduce manual work, and unlock new revenue streams.
🏢 About Softermii
Softermii is a full-cycle AI development company delivering enterprise AI systems with measurable business impact, discovery, architecture, model development, integration, deployment, and optimization, end to end.
AI MVPs in 4–8 weeks using a structured delivery methodology
HIPAA / SOC2 / GDPR-ready solutions
AI integration with ERP, CRM, and legacy systems
Dedicated AI teams and fractional CTO leadership
⚙️ Technologies
Python, TensorFlow, PyTorch, LangChain, LLM APIs (OpenAI, Claude, Gemini), AWS SageMaker, Vertex AI, Docker, Kubernetes, MLOps pipelines, vector databases, RAG, AI Agents, real-time AI systems.
If you're looking for a partner who can design the right AI solution and actually ship it, let's talk.
Associated with
Softermii
$1M+
earned
$5/hr
67%
Job Success
$200+ earned
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VeeraSankar V.
has worked
.
I specialise in building scalable Angular applications with clean architecture, reusable component systems, and performance optimisation at their core. With 4+ years of experience in Angular (v12–v18), TypeScript, and reactive programming, I focus on designing frontend systems that remain maintainable and efficient as products grow.
I help businesses develop high-performance single-page applications and enterprise-level frontends that go beyond simple UI implementation. My approach emphasises modular design, structured architecture, and seamless backend integration to deliver reliable and scalable solutions.
I help clients:
• Build scalable and modular Angular applications
• Refactor legacy code into clean, maintainable architecture
• Improve frontend performance and optimise rendering
• Implement secure authentication flows (JWT, role-based access)
• Deliver responsive, production-ready user interfaces
𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
• Angular (v12–v18), TypeScript, RxJS
• Modular architecture & scalable SPA design
• Reactive programming & structured state management
• REST API integration & backend communication
• Performance optimisation (lazy loading, change detection strategy)
• Angular Material, TailwindCSS, Bootstrap, AG Grid
• Code refactoring, debugging, UI optimisation.
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲
• Clean and scalable frontend architecture
• Strong focus on maintainability and long-term growth
• Clear communication and reliable delivery
• Ability to quickly understand complex requirements
I am committed to delivering structured, high-quality Angular solutions that are built to scale and easy to maintain.
$39/hr
100%
Job Success
$3M+ earned
Available now
Offers consultations
Start of list.
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Sergey G.
has worked
.
Helping manufacturing and industrial teams build scalable CPQ, quoting, pricing automation, quote generation, proposal generation, and quote-to-cash systems that actually work in real sales operations.
Experience working with CPQ platforms including Salesforce CPQ, Revenue Cloud, Oracle CPQ, Apttus CPQ, custom product configurators, and pricing automation solutions.
Verticals: industrial equipment, HVAC & mechanical contractors, contract manufacturing, building materials, engineered products, custom assemblies, field services.
Where I've helped:
Spreadsheets → structured quoting & pricing automation
Moved pricing logic, product configuration rules, pricing configuration, quote generation processes, and approval workflows out of Excel into scalable CPQ and quote management systems sales reps can actually use without breaking pricing.
Homegrown tools → maintainable quote-to-cash systems
Preserved existing business logic while removing single-developer dependency and improving maintainability, quoting workflows, sales operations visibility, CRM automation, and RevOps processes.
Document builders (PandaDoc, Qwilr) → automated proposal generation
Connected configuration, pricing engines, CRM data, Salesforce CRM, and ERP systems so quotes, proposals, SOWs, and sales documents generate automatically from rules instead of manual assembly.
Heavy CPQ (Salesforce CPQ, Oracle CPQ) → right-sized implementation
Simplified existing CPQ setups, pricing workflows, quote generation processes, product configuration models, and product configurators — or replaced overengineered systems with tools that better match how the sales team actually sells.
Quote-to-cash workflow setup end-to-end
Quotes → proposals → contracts → e-sign → sales orders → fulfillment
Built full document automation flows with branded proposal generation, contract generation, approval routing, e- sign integration (DocuSign, PandaDoc, native e-sign), and downstream Sales Order / Purchase Order automation.
Approved quotes flow directly into fulfillment without manual re-entry, duplicate data entry, pricing mismatches, or version control issues between sales and operations.
Experience with:
CPQ, Configure Price Quote (CPQ), Salesforce CPQ, Revenue Cloud, pricing automation, pricing configuration, proposal automation, sales quoting, quote generation, proposal generation, RevOps workflows, Quote to Cash (QTC), sales document automation, CRM automation, Salesforce CRM, Salesforce Sales Cloud, product configuration, approval workflows, contract management, ERP/CRM integration, API integration, subscription pricing, dynamic pricing, sales operations, and quote-to-cash processes.
Not sure where to start? Send a quick overview of your current quoting process, pricing workflow, quote generation process, CPQ implementation, or proposal generation setup — I’ll take a look and share what I’d improve, no commitment required.
Associated with
TWT Capital Inc.
$3K+
earned