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Ratish D.

Mohali, India

$25/hr
5.0
12 jobs

For the past 12+ years, I have helped startups, SaaS companies, fintech businesses, and growing teams turn ideas into reliable, scalable products. As a Senior Full Stack Architect and Top Rated Plus developer, I work closely with founders and businesses to build systems that are fast, maintainable, and ready for growth. My expertise covers the entire development lifecycle from architecture planning and full-stack development to performance optimization, cloud deployment, and ongoing technical guidance. Whether you're launching a new platform, modernizing an existing application, or preparing for rapid growth, I focus on delivering solutions that support your business goals. If you are ready to build a software product that ships on time, maintains a ๐Ÿ—๐ŸŽ+ ๐‹๐ข๐ ๐ก๐ญ๐ก๐จ๐ฎ๐ฌ๐ž ๐ฌ๐œ๐จ๐ซ๐ž, and actually retains users, ๐˜€๐—ฒ๐—ป๐—ฑ ๐—บ๐—ฒ ๐—ฎ ๐—บ๐—ฒ๐˜€๐˜€๐—ฎ๐—ด๐—ฒ or book a consultation directly from my profile. I respond immediately. โœ… ๐—ž๐—˜๐—ฌ ๐—”๐—–๐—›๐—œ๐—˜๐—ฉ๐—˜๐— ๐—˜๐—ก๐—ง๐—ฆ: โ€ข 12+ years of professional engineering experience with a "no-template" clean-code philosophy โ€ข 3,000+ hours logged on Upwork with a consistent Top Rated Plus success record โ€ข 50K+ active users supported on a SaaS platform I architected, reducing server costs by 35% โ€ข 40% reduction in latency achieved by migrating complex finance platforms to optimized AWS environments โ€ข 99.99% uptime maintained for mission-critical applications through rigorous CI/CD and Docker orchestration โ€ข 70% of clients continue for 12+ months of ongoing strategic development and scaling โ€ข 2x faster MVP launches delivered using an AI-native workflow (Cursor, Claude Code, Aider) โœ… ๐—ง๐—˜๐—–๐—› ๐—ฆ๐—ง๐—”๐—–๐—ž ๐—”๐—ก๐—— ๐—˜๐—ก๐—š๐—œ๐—ก๐—˜๐—˜๐—ฅ๐—œ๐—ก๐—š ๐—˜๐—ซ๐—˜๐—–๐—จ๐—ง๐—œ๐—ข๐—ก I build on the high-performance tooling that top-tier engineering teams rely on: ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐ ๐„๐ฑ๐œ๐ž๐ฅ๐ฅ๐ž๐ง๐œ๐ž: React.js, Next.js, Angular, TypeScript, Tailwind CSS (Pixel-Perfect UI) ๐๐š๐œ๐ค๐ž๐ง๐ & ๐‹๐จ๐ ๐ข๐œ: .NET Core, Node.js, Python (FastAPI), Laravel, Express.js ๐ƒ๐š๐ญ๐š & ๐ˆ๐ง๐Ÿ๐ซ๐š๐ฌ๐ญ๐ซ๐ฎ๐œ๐ญ๐ฎ๐ซ๐ž: PostgreSQL, MySQL, MongoDB, Redis, AWS, Azure, Docker ๐€๐ˆ & ๐€๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง: n8n, Make. OpenAI/Claude API integration, Computer Vision (OpenCV) ๐๐€ & ๐๐ž๐ซ๐Ÿ๐จ๐ซ๐ฆ๐š๐ง๐œ๐ž: Rigorous mobile-responsiveness audits and sub-2-second load time optimization Every tool in this stack exists to serve one outcome: a digital product that is secure, scalable, and ready to generate real revenue from day one. โœ… ๐—ช๐—›๐—”๐—ง ๐—ฆ๐—˜๐—ง๐—ฆ ๐— ๐—ฌ ๐——๐—˜๐—ฉ๐—˜๐—Ÿ๐—ข๐—ฃ๐— ๐—˜๐—ก๐—ง ๐—”๐—ฃ๐—ฃ๐—ฅ๐—ข๐—”๐—–๐—› ๐—”๐—ฃ๐—”๐—ฅ๐—ง Most developers hand you a template-based site and disappear. I own the entire stack: architecture decisions, custom logic, security review, and post-launch iteration. I prioritize modular, custom-coded solutions over bloated visual builders like Elementor or Divi. When your system needs to scale to 10K+ concurrent users, the architecture I build is designed to handle the load without breaking. My development framework is built around three principles: Performance First (90+ Lighthouse scores), Full Stack Ownership (from database schema to UI), and Business Alignment (I measure success by your ROI, conversion rates, and system stability). โ€ผ๏ธ ๐—›๐—œ๐—ฅ๐—˜ ๐— ๐—˜ ๐—œ๐—™ ๐—ฌ๐—ข๐—จ ๐—ก๐—˜๐—˜๐—— โ€ผ๏ธ A Senior Architect who delivers production-ready code with enterprise-grade security A Full Stack Developer who connects complex backend logic to a seamless, high-speed frontend Custom SaaS Development including multi-tenant architecture and automated billing systems AI Integration including automated grading systems, computer vision, or LLM-powered workflows A Technical Partner who acts as your "Right-Hand," communicates daily, and ships on schedule ๐—ช๐—ต๐—ฎ๐˜ ๐—บ๐˜† ๐˜€๐˜†๐˜€๐˜๐—ฒ๐—บ๐˜€ ๐—ถ๐—ป๐—ฐ๐—น๐˜‚๐—ฑ๐—ฒ: Custom Engineering & Security: High-speed, optimized code with 100% responsiveness, modular architecture, and pre-deployment security audits on every engagement. AI-Native Solutions: Integration of advanced AI logic layers, automated lead routing, and computer vision monitoring systems to give your business a competitive edge. Performance-Driven Full Stack: Next.js and .NET/Node backends connected to lightning-fast frontends, ensuring your users never wait for a page to load.

  • Full-Stack Development
  • API Integration
  • Database Architecture
  • JavaScript
  • React
  • Node.js
  • TypeScript
  • Angular
  • Vue.js
  • Laravel
  • AWS Development
  • PostgreSQL
  • MongoDB
  • ExpressJS
  • MERN Stack
  • MySQL
  • API Development
  • SaaS
  • HTTP
Ashir Z.

Karachi, Pakistan

$22/hr
5.0
20 jobs

I help startups and SaaS teams build and scale production-ready web applications using React, Next.js, and Node.js. Whether you're launching an MVP, improving performance, or scaling an existing product, I take full ownership of the feature from architecture to deployment so it works reliably in production, not just in development. Iโ€™ve built dashboards, authentication systems, payment integrations, and complex backend workflows for long-term SaaS platforms. Iโ€™m comfortable working inside existing codebases, improving architecture, and shipping clean, maintainable solutions. Core stack: React.js, Next.js, TypeScript, Node.js, Express.js Supabase, MySQL, MongoDB, Firebase REST APIs, GraphQL, TanStack, React Query, JWT, OAuth, role-based auth Vercel, Google Cloud, serverless deployments Iโ€™m comfortable working inside existing codebases, refactoring messy systems, optimizing database queries, and improving backend performance. What I bring: โ€ข Full stack ownership (frontend + backend) โ€ข Scalable API and backend architecture โ€ข Secure authentication and payment integrations โ€ข Clean TypeScript-based code structure โ€ข Performance optimization and refactoring โ€ข Smooth deployments (Vercel, GCP, AWS, serverless) You wonโ€™t need to micromanage me. I communicate clearly, think in systems, and focus on building software that lasts.

  • JavaScript
  • Next.js
  • React
  • AI Agent Development
  • Node.js
  • Web Application Development
  • ExpressJS
  • Firebase Cloud Firestore
  • MERN Stack
  • Firebase
  • SQL
  • MySQL
  • PostgreSQL
  • Vercel
  • Firebase Realtime Database
  • AI Development
  • CRM Development
  • Website Builder
Jahanzaib A.

Karachi, Pakistan

$20/hr
5.0
6 jobs

๐Œ๐จ๐ฌ๐ญ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ๐ฌ ๐ฐ๐ซ๐ข๐ญ๐ž ๐œ๐จ๐๐ž. ๐ˆ ๐›๐ฎ๐ข๐ฅ๐ ๐จ๐ฎ๐ญ๐œ๐จ๐ฆ๐ž๐ฌ. I've spent 6+ years turning complex product ideas into fast, clean, production-ready web applications using React, Angular, Node.js, and TypeScript, with AI baked in where it actually saves time and money. Not as a gimmick. As a real competitive edge. Whether you're a startup chasing an MVP deadline, a growing SaaS needing a performance overhaul, or an enterprise team looking to automate painful manual workflows with GPT or Claude. I've been there, done it, and delivered. ๐ˆ'๐•๐„ ๐ƒ๐Ž๐๐„ ๐“๐‡๐ˆ๐’ ๐Š๐ˆ๐๐ƒ ๐Ž๐… ๐๐‘๐Ž๐‰๐„๐‚๐“ ๐๐„๐…๐Ž๐‘๐„ Here's a slice of what I've actually shipped in the last 6 years: ๐‘๐ž๐š๐ฅ-๐“๐ข๐ฆ๐ž ๐Œ๐Œ๐€ ๐€๐ง๐š๐ฅ๐ฒ๐ญ๐ข๐œ๐ฌ ๐๐ฅ๐š๐ญ๐Ÿ๐จ๐ซ๐ฆ built a live data pipeline + AI-powered stats dashboard for fight analytics, handling real-time events at scale ๐๐Ÿ๐ ๐€๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐’๐ฎ๐ข๐ญ๐ž ๐Ÿ๐จ๐ซ ๐˜๐ฎ๐ฆ๐š๐๐Ž๐’ replaced a manual sales & onboarding process with a GPT-driven workflow, cutting ops time by 80% ๐ƒ๐ข๐ ๐ข๐ญ๐š๐ฅ ๐“๐ซ๐š๐ง๐ฌ๐Ÿ๐จ๐ซ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ๐ฌ (๐ฆ๐ฎ๐ฅ๐ญ๐ข๐ฉ๐ฅ๐ž) modernized legacy systems for businesses moving from offline to full-stack SaaS products ๐Ÿ๐ŸŽ๐ŸŽ+ ๐ž๐ง๐-๐ญ๐จ-๐ž๐ง๐ ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ฌ๐ญ๐š๐œ๐ค ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ๐ฌ across industries: fintech, healthtech, logistics, e-commerce, and enterprise SaaS ๐€๐ˆ-๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ž๐ ๐๐ฎ๐ฌ๐ข๐ง๐ž๐ฌ๐ฌ ๐๐ฅ๐š๐ญ๐Ÿ๐จ๐ซ๐ฆ๐ฌ embedded GPT-4, Claude, and Gemini into support systems, document workflows, and decision automation REAL NUMBERS FROM REAL PROJECTS 45% increase in Annual Recurring Revenue after automating sales and onboarding flows with AI 80% reduction in manual work by integrating GPT into document handling pipelines 60% fewer support tickets after deploying AI-powered chat solutions 3x faster MVP delivery using AI-assisted coding and modular architecture Scalable platforms supporting 10,000+ daily users with zero downtime ๐–๐‡๐˜ ๐‚๐‡๐Ž๐Ž๐’๐„ ๐Œ๐„ There are thousands of full stack developers on Upwork. Here's the honest difference: I have a Master's in Computer Science from University of Karachi. I think in systems, not just syntax I've worked both in-house (Burhani IT) and as a freelancer I know how real teams operate I integrate AI tools that actually reduce your costs not just buzzwords tacked onto a proposal I own the project. No ghosting, no excuses, no hand-holding required from your side I communicate like a business partner, not a contractor waiting for instructions My turnaround is fast AI-enhanced tooling (Cursor, Replit) lets me ship 30% faster without cutting corners I'm selective about the projects I take. I only say yes when I know I can deliver real value. which means when I do say yes, you can hold me to it. ๐–๐‡๐˜ ๐‚๐‡๐Ž๐Ž๐’๐„ ๐Œ๐„ ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐: React.js, Angular, Next.js, Vue, TypeScript, Redux, NgRx, Material UI, Tailwind ๐๐š๐œ๐ค๐ž๐ง๐: Node.js, Express, NestJS, Firebase, GraphQL, REST, Java ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž๐ฌ: MongoDB, Firestore, MySQL, MSSQL, Oracle, PostgreSQL ๐€๐ˆ & ๐€๐๐ˆ๐ฌ: GPT-4, Claude, Gemini, OpenAI API, Stripe, Plaid, Google Maps, SendGrid, Twilio ๐ƒ๐ž๐ฏ๐Ž๐ฉ๐ฌ: AWS (EC2, S3, Elastic Beanstalk, Route 53), GCP, Azure, Docker, CI/CD, Nginx ๐“๐ž๐ฌ๐ญ๐ข๐ง๐ : Jest, Jasmine ๐“๐จ๐จ๐ฅ๐ฌ: Jira, Trello, ClickUp, GitHub, GitLab, Bitbucket, Cursor, Replit, Lovable

  • Full-Stack Development
  • JavaScript
  • Web Application
  • Node.js
  • Firebase Cloud Firestore
  • React
  • Angular
  • TypeScript
  • RESTful API
  • Google Cloud Platform
  • Angular 6
  • Angular Material
  • Firebase
  • AWS Development
  • SaaS Development
Muhammad N.

Liaquatpur, Pakistan

$20/hr
5.0
12 jobs

Hey there! With 6 ๐˜†๐—ฒ๐—ฎ๐—ฟ๐˜€ of ๐—™๐˜‚๐—น๐—น ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ, I help businesses build modern, high-performance applications. My expertise includes React, Angular, Node.js, PHP, Python, WordPress, and Shopify, supported by strong cloud deployment skills on AWS and Azure. ๐—–๐—ผ๐—ฟ๐—ฒ ๐—˜๐˜…๐—ฝ๐—ฒ๐—ฟ๐˜๐—ถ๐˜€๐—ฒ: I specialize in both backend and frontend development, with strong expertise in: ๐Ÿ’ป Laravel (Filament, Livewire, Nova, Inertia) ๐Ÿ’ป React.js, Next.js, Vue.js, Nuxt.js, Angular.js, Node.js ๐Ÿ’ป RESTful API Development & Integration ๐Ÿ’ป Cloud Services (AWS, Azure, DigitalOcean) ๐Ÿ’ป Database Design (MySQL, PostgreSQL, MongoDB, Oracle) ๐—ฆ๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฐ๐—ฒ๐˜€ ๐—œ ๐—ฃ๐—ฟ๐—ผ๐˜ƒ๐—ถ๐—ฑ๐—ฒ: ๐Ÿ”น Full Stack Development (Web) ๐Ÿ”น API Design, Development & Integration ๐Ÿ”น Business Web Applications โ€“ SaaS, ERP, GIS ๐Ÿ”น E-commerce Solutions & Online Stores ๐Ÿ”น Landing Pages & Corporate Websites ๐Ÿ”น Website Redesign & Revamp ๐Ÿ”น Figma to Clean Responsive Code ๐Ÿ”น Speed & Performance Optimization ๐—ช๐—ต๐—ฎ๐˜ ๐— ๐—ฎ๐—ธ๐—ฒ๐˜€ ๐— ๐˜† ๐—ช๐—ผ๐—ฟ๐—ธ ๐—ฆ๐˜๐—ฎ๐—ป๐—ฑ ๐—ข๐˜‚๐˜: ๐Ÿ”น 7 years of hands-on industry expertise ๐Ÿ”น Clear and consistent client communication ๐Ÿ”น Solutions tailored to business objectives ๐Ÿ”น Future-ready, scalable architecture ๐Ÿ”น Timely delivery with attention to detail ๐Ÿ”น Ongoing support after deployment ๐—Ÿ๐—ฒ๐˜โ€™๐˜€ ๐—–๐—ผ๐—น๐—น๐—ฎ๐—ฏ๐—ผ๐—ฟ๐—ฎ๐˜๐—ฒ: Whether you need a product developed from scratch or want to improve an existing application, I deliver tailored, high quality solutions aligned with your goals. Letโ€™s connect to discuss your project and plan the best approach for success. ๐—™๐˜‚๐—น๐—น ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ with expertise in React.js, Next.js, Vue.js, Angular.js, and Node.js. Skilled in Laravel, PHP, Python, and JavaScript for both frontend and backend development. Proficient in RESTful API design, SaaS and ERP development, responsive web design, mobile app development, cloud solutions (AWS, Azure), database management (MySQL, PostgreSQL, MongoDB, Oracle), CI/CD pipelines, scalability, and code optimization.

  • Full-Stack Development
  • JavaScript
  • Web Application
  • Website Customization
  • PHP
  • CSS 3
  • HTML
  • HTML5
  • Web Development
  • MySQL Programming
  • Web Design
  • Node.js
  • React
  • Firebase
Anna K.

Lviv, Ukraine

$24/hr
5.0
7 jobs

React Next.js JavaScript TypeScript Node.js NestJS Flutter React Native OpenAI AWS PostgreSQL MongoDB Supabase Firebase AI SaaS Mobile Cloud MVP Development End-to-end software development for startups, SaaS companies, and growing businesses - from idea validation and MVP development to scalable platforms used by thousands of users. We are Incode Group, a software development company with 50+ engineers, 10+ years of experience, 500+ delivered projects, and long-term partnerships with startups and established businesses across the US, Europe, Australia, and the Middle East. Whether you need an MVP launched in weeks, AI-powered features, a mobile application, a dedicated development team, or a complex SaaS platform built from scratch, we provide full-cycle product development from discovery and architecture to deployment and long-term support. ๐Ÿ† ๐–๐ก๐ฒ ๐‚๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐–๐จ๐ซ๐ค ๐–๐ข๐ญ๐ก ๐”๐ฌ 500+ successfully delivered projects 50+ engineers across web, mobile, AI, QA, UI/UX, and DevOps 10+ years of software development experience 95% of clients continue working with us beyond the initial engagement MVPs launched in as little as 4-8 weeks End-to-end ownership from planning and architecture to deployment and maintenance ๐Ÿ’ก ๐–๐ก๐š๐ญ ๐‚๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐‡๐ข๐ซ๐ž ๐”๐ฌ ๐…๐จ๐ซ โœ”๏ธ SaaS product development โœ”๏ธ AI applications, chatbots, copilots, and automation tools โœ”๏ธ Mobile app development (Flutter & React Native) โœ”๏ธ Scaling and modernizing existing platforms โœ”๏ธ Dedicated development teams and staff augmentation โœ”๏ธ Technical advisory and architecture reviews โœ”๏ธ Cloud infrastructure, DevOps, and CI/CD โœ”๏ธ Third-party API and payment integrations ๐Ÿ“Š ๐‘๐ž๐œ๐ž๐ง๐ญ ๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ ๐Ž๐ฎ๐ญ๐œ๐จ๐ฆ๐ž๐ฌ โ€ข Reduced infrastructure costs by up to 35% โ€ข Improved application performance by up to 60% โ€ข Automated workflows that reduced manual operations by up to 70% โ€ข Built AI-powered applications processing thousands of requests daily โ€ข Delivered MVPs that helped startups validate ideas and acquire early customers ๐Ÿš€ ๐“๐ฒ๐ฉ๐ข๐œ๐š๐ฅ ๐ƒ๐ž๐ฅ๐ข๐ฏ๐ž๐ซ๐ฒ ๐“๐ข๐ฆ๐ž๐ฅ๐ข๐ง๐ž๐ฌ - MVPs & New Product Launches - typically 4-12 weeks depending on scope and integrations - Feature Development & Existing Product Improvements - usually 2-10 days per feature or 1-4 weeks for larger modules - AI-Powered Features, Chatbots & LLM Integrations - generally 1-4 weeks depending on complexity and data sources - Third-Party API & Payment Integrations (Stripe, Twilio, Shopify & more) - often 2-10 days per integration - Cross-Platform Mobile Apps (Flutter, React Native) - MVPs typically 6-16 weeks, production platforms 3-6+ months - Cloud Infrastructure, DevOps & CI/CD Setup - usually 3-10 days for initial setup - UI/UX Design, Figma Prototypes & Design Systems - commonly 1-4 weeks depending on the number of screens and flows - Legacy System Refactoring & Performance Optimization - typically 1-6 weeks depending on codebase size and technical debt ๐ˆ๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ข๐ž๐ฌ ๐–๐ž ๐–๐จ๐ซ๐ค ๐–๐ข๐ญ๐ก ๐Ÿข Real Estate - property management platforms, booking systems, rental marketplaces, CRM solutions ๐Ÿ’ฐ FinTech & Financial Services - payment systems, financial dashboards, reporting platforms, internal tools ๐Ÿฉบ Healthcare - patient portals, healthcare management systems, telemedicine platforms, wellness applications ๐Ÿ“š EdTech - learning management systems, online training platforms, educational mobile applications ๐Ÿค– AI Products & Automation - chatbots, AI assistants, workflow automation, recommendation systems, AI-powered SaaS platforms ๐Ÿƒ Fitness & Wellness - coaching platforms, activity trackers, fitness mobile apps, subscription-based products ๐Ÿ›’ E-commerce & Marketplaces - online stores, B2B marketplaces, checkout systems, payment integrations ๐Ÿšš Logistics & Transportation - fleet management, delivery platforms, route optimization, tracking systems ๐Ÿ’ผ SaaS & Business Platforms - internal tools, workflow automation, CRM systems, enterprise software โšก ๐“๐ž๐œ๐ก๐ง๐จ๐ฅ๐จ๐ ๐ข๐ž๐ฌ Frontend React.js Next.js TypeScript JavaScript Redux Toolkit Tailwind CSS Material UI Shadcn UI Backend Node.js NestJS Express.js GraphQL REST APIs WebSockets Prisma TypeORM Drizzle ORM RabbitMQ Kafka Mobile Flutter React Native iOS Android AI & LLM OpenAI ChatGPT Anthropic Claude LangChain Pinecone RAG Systems AI Agents Prompt Engineering Databases PostgreSQL MongoDB MySQL Supabase Firebase Redis DynamoDB ClickHouse Cloud & DevOps AWS Docker Kubernetes CI/CD GitHub Actions GitLab CI Vercel Railway DigitalOcean ๐Ÿค ๐„๐ง๐ ๐š๐ ๐ž๐ฆ๐ž๐ง๐ญ ๐Œ๐จ๐๐ž๐ฅ๐ฌ โ€ข Dedicated Developers โ€ข Dedicated Teams โ€ข Staff Augmentation โ€ข Full Product Development โ€ข Technical Advisory ๐Ÿš€ ๐‡๐š๐ฏ๐ž ๐š ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ ๐ข๐ง ๐ฆ๐ข๐ง๐? Send me your requirements, product idea, or current challenges, and we'll help you define the fastest and most reliable path from concept to launch.

  • Full-Stack Development
  • JavaScript
  • Web Application
  • TypeScript
  • Front-End Development
  • Back-End Development
  • React
  • Node.js
  • Next.js
  • NestJS
  • MongoDB
  • GraphQL
  • PostgreSQL
  • Firebase
  • OpenAI API
  • Supabase
  • Web Application Development
  • Django
  • Python
  • GitHub Copilot
Kevin S.

Surat, India

$12/hr
5.0
7 jobs

Hi, I'm Kevin Savaliya ๐Ÿ‘‹ Looking for a reliable Full Stack Developer who can build a fast, scalable, and high-quality web application? You're in the right place. I'm a Top Rated Full Stack Developer with 8+ years of experience helping startups, SaaS companies, agencies, and growing businesses build modern web applications. With a 100% Job Success Score and a strong record of successful projects on Upwork, I focus on building software that solves real business problems, improves user experience, and supports long-term growth. Whether you need a Startup MVP, SaaS platform, custom web application, business management system, admin dashboard, AI-powered application, or API integration, I can help you from planning to deployment. I believe great software is more than just writing code. It starts with understanding your business, choosing the right solution, and building an application that is secure, scalable, and easy to maintain. Why Clients Choose Me When you work with me, you get more than a developer. You get a reliable partner who cares about your project's success. โœ” Top Rated Freelancer โœ” 100% Job Success โœ” 8+ Years of Professional Experience โœ” Complete Full Stack Development โœ” Clean & Maintainable Code โœ” Scalable Software Architecture โœ” Business-Focused Solutions โœ” Fast & Clear Communication โœ” On-Time Delivery โœ” Long-Term Technical Support โœ” Performance & Security First โœ” Reliable Development Partner What My Clients Say โญ "Kevin delivered excellent work on time and communicated clearly throughout the project. Highly recommended!" โญ "Professional, responsive, and easy to work with. Kevin always suggested the best solution for our project." โญ "He understood our requirements quickly and delivered exactly what we needed. We look forward to working with him again." My goal is to build long-term relationships by delivering high-quality work and making every project a success. What I Can Build โžค SaaS Platforms โžค Startup MVPs โžค Custom Web Applications โžค Business Management Systems โžค Enterprise Applications โžค CRM & ERP Systems โžค Admin Dashboards โžค Customer Portals โžค Marketplace Platforms โžค E-commerce Applications โžค AI-Powered Web Applications โžค Internal Business Tools โžค REST APIs โžค GraphQL APIs โžค Third-Party API Integrations โžค Payment Gateway Integrations โžค Real-Time Applications โžค Cloud-Based Applications โžค Legacy Application Modernization โžค Performance Optimization โžค Ongoing Maintenance & Support Frontend Development I build fast, responsive, SEO-friendly, and user-friendly interfaces. โœฆ React.js โœฆ Next.js โœฆ JavaScript โœฆ TypeScript โœฆ HTML5 โœฆ CSS3 โœฆ Tailwind CSS โœฆ Bootstrap โœฆ Material UI โœฆ SCSS โœฆ Redux Toolkit โœฆ Context API โœฆ Responsive Web Design โœฆ Progressive Web Apps (PWA) โœฆ Server-Side Rendering (SSR) โœฆ Static Site Generation (SSG) โœฆ Incremental Static Regeneration (ISR) โœฆ Cross-Browser Compatibility โœฆ Performance Optimization Backend Development I build secure, scalable, and reliable backend systems. โœฆ Node.js โœฆ Express.js โœฆ REST API Development โœฆ GraphQL โœฆ Authentication & Authorization โœฆ JWT Authentication โœฆ OAuth โœฆ Role-Based Access Control (RBAC) โœฆ Third-Party API Integration โœฆ Payment Gateway Integration โœฆ AI Integration โœฆ OpenAI API โœฆ ChatGPT Integration โœฆ WebSockets โœฆ Real-Time Applications โœฆ Google Maps API โœฆ OpenStreetMap Database โœฆ MongoDB โœฆ PostgreSQL โœฆ MySQL โœฆ Database Design โœฆ Data Modeling โœฆ Query Optimization Search Technologies โœฆ Elasticsearch โœฆ OpenSearch โœฆ MongoDB Atlas Search Cloud & DevOps โœฆ AWS (EC2, S3, ECR, Elastic Beanstalk) โœฆ Docker โœฆ Docker Swarm โœฆ PM2 โœฆ CI/CD Pipelines โœฆ Git โœฆ GitHub โœฆ Vercel Industries I've Worked With โœ” SaaS โœ” Artificial Intelligence (AI) โœ” Healthcare โœ” FinTech โœ” E-commerce โœ” Education โœ” Real Estate โœ” Logistics โœ” Transportation โœ” Travel & Hospitalit โœ” Marketplace Platforms โœ” CRM โœ” ERP โœ” Enterprise Software โœ” Startup Products How I Work โžœ First, I understand your business goals and project requirements. โžœ Then, I suggest the best technology and development approach. โžœ I build clean, secure, and scalable applications. โžœ I keep you updated with regular progress throughout the project. โžœ I test everything carefully before delivery. โžœ I provide ongoing support whenever needed. What You Can Expect โžฅ Clear & Honest Communication โžฅ Fast Response Time โžฅ Regular Project Updates โžฅ Clean & Well-Documented Code โžฅ Scalable Software Architecture โžฅ Secure Development Practices โžฅ High-Performance Applications โžฅ Reliable & On-Time Delivery โžฅ Business-Oriented Solutions โžฅ Long-Term Support โžฅ A Trusted Development Partner ๐Ÿค Let's Talk About Your Project Whether you're building a Startup MVP, SaaS platform, custom web application, AI-powered solution, or looking to improve an existing product, I'm here to help. My goal is simple: โ†’ Understand your business โ†’ Build high-quality software โ†’ Deliver on time โ†’ Help your business grow โ†’ Become your long-term development partner ๐Ÿ“ฉ Send me a message or invite me to your project.

  • Full-Stack Development
  • JavaScript
  • MERN Stack
  • React
  • Next.js
  • Node.js
  • ExpressJS
  • TypeScript
  • MongoDB
  • PostgreSQL
  • MySQL
  • API Development
  • RESTful API
  • GraphQL
  • Tailwind CSS
  • Front-End Development
  • Back-End Development
  • Web Development
  • NestJS
  • REST API

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Resources to help you hire

Cost to hire a Full Stack Developer

Cost to hire a Full Stack Developer

Explore typical Full Stack Developer rates and what businesses pay to hire top talent.

Full Stack Developer job description template

Full Stack Developer job description template

Get tips to write a job post that attracts qualified Full Stack Developers.

Full Stack Developer interview questions

Full Stack Developer interview questions

Top interview questions to help you hire the right Full Stack Developers, faster.

Full stack developer hiring guide

Full-stack developers help businesses accelerate product development by working across front-end and back-end technologies to build scalable, high-performing systems. From mobile apps to enterprise-grade e-commerce platforms, these versatile professionals bring deep understanding of end-to-end software development. Hiring a full-stack developer enables lean startups and established enterprises alike to streamline workflows, reduce development overhead, and deliver quality digital products faster.

What does a full-stack developer do?

A full-stack developer is a software engineer who works on both the client side (front end) and server side (back end) of web applications. They use a variety of programming languages, frameworks, and coding tools to build, test, and maintain software across the entire technology stack.

Full-stack developers can take on complete application development projects and are often responsible for architecture planning, performance optimization, and maintaining user-friendly interfaces:

  • Front-end development. Build responsive user interfaces using HTML, CSS, JavaScript, Angular, or React.js.

  • Back-end development. Develop server-side logic with Node.js, PHP, Python, Java, or frameworks like Django and Laravel.

  • Database integration. Use MySQL, MongoDB, or PostgreSQL to manage structured and unstructured data.

  • API development. Create and manage RESTful APIs for mobile apps, third-party services, and real-time applications.

  • DevOps and cloud. Use AWS, Azure, or Google Cloud to deploy applications and improve scalability.

How to hire a full-stack developer on Upwork

Upwork is a reliable place to hire dedicated full-stack developers for custom web app or mobile app development. Whether you need U.S.-based developers or remote programmers across time zones, Upwork supports flexible engagement models.

Step 1: Post your project

Communicating your project's scope and technical requirements precisely attracts developers suited to your project and saves time by filtering out mismatched applicants early.

  • Outline your tech stack, including required programming languages (e.g., JavaScript, PHP, or Python), frameworks (e.g., Angular, Laravel, or Django), and cloud tools (e.g., AWS or Google Cloud)

  • Define functionality by clarifying user experience expectations, application performance goals, and front-end/back-end responsibilities

  • Specify engagement model to indicate whether you're looking for full-time, part-time, or freelance support

  • Use Upwork's full-stack developer job post template for ideas on content and format

Streamline the hiring process by using Job Post Generator powered by Uma, Upwork's Mindful AIโ„ข. Describe your project needs in a few sentences and Uma will draft a full-stack developer job post for your review.

Step 2: Review proposals

Focus on evidence of relevant experience and demonstrated outcomes rather than credentials alone to build a shortlist of candidates worth interviewing.

  • Evaluate portfolios by looking for developers with proven success in web applications, mobile apps, or e-commerce builds

  • Read testimonials to verify a strong track record of high-quality outcomes

  • Match skills by focusing on professionals who know your frameworks and databases (e.g., MySQL, MongoDB)

You can use Upworkโ€™s instant video interviews to screen applicants for a best-fit shortlist.

Step 3: Conduct interviews

The interview stage allows you to assess technical competence and how a candidate approaches complex challenges. Use this opportunity to gauge cultural fit and working style compatibility.

  • Ask technical questions about server-side rendering, DevOps deployment, or cross-platform API integrations

  • Explore methodology by asking how they approach agile workflows, scalability, and optimization

  • Assess collaboration skills to understand how they manage time zones and align with development teams

  • Use Upwork's full-stack developer interview question recommendations for guidance

Upwork Messages allows you to schedule and conduct live video interviews on the platform, with call transcripts and summaries available after the calls.

Step 4: Hire and collaborate

Before the person you choose can begin work, youโ€™ll want a firm contract in place. Setting up the right framework for collaboration helps prevent misunderstandings and keeps development on schedule.

  • Set up clear milestones by breaking your project into phases aligned with your tech stack and goals

  • Manage workflows by tracking progress using Upwork's integrated tools, or platforms like GitHub or Jira

  • Foster communication by maintaining documentation around project needs and feedback cycles

How much does hiring a full-stack developer cost?

Full-stack developer pricing depends on experience, project scope, and technology stack $16-$35 per hour. Developers specializing in high-performance frameworks or advanced mobile app development may charge above average.

Review these typical project costs to help plan your full-stack development project budget:

Landing page development

$300-$800/project

Entry-level
  • Responsive single-page design with HTML, CSS, JavaScript
  • Contact form integration with basic validation
  • Mobile-friendly layout with Bootstrap framework

Custom web application

$1,000-$3,000/project

Mid-level
  • User authentication and dashboard functionality
  • Database integration with MySQL or MongoDB
  • RESTful API development for third-party services

E-commerce platform build

$3,000-$8,000/project

Mid-level to expert
  • Full MERN or LAMP stack implementation
  • Payment gateway and inventory management integration
  • Admin panel with analytics and reporting features

Enterprise application development

$8,000-$20,000/project

Expert-level
  • Scalable microservices architecture with cloud deployment
  • Real-time features with WebSocket implementation
  • Comprehensive testing and DevOps pipeline setup

Ongoing development and maintenance

$2,000-$6,000/month

Mid-level to expert
  • Continuous feature development and bug fixes
  • Performance optimization and security updates
  • Code reviews and technical documentation

Frequently asked questions

Is hiring a full-stack developer worth it?

Yes, hiring a full-stack developer is a cost-effective way to manage both front-end and back-end technologies. Full-stack engineers can streamline application development, reduce hiring overhead, and improve coordination across software development layers.

The global software market was estimated at $730.7 billion in 2024 and is projected to reach $1,397.31 billion by 2030, underscoring demand for skilled developers.

What types of businesses benefit most from hiring a full-stack developer?

Startups, SaaS platforms, digital agencies, and e-commerce brands benefit from agile, full-stack support without needing specialists for every framework. The SaaS sector is projected to reach $819.23 billion by 2030, highlighting demand for end-to-end developers.

How long does it take to build a web app with a full-stack developer?

The timeline for a full-stack developer to build a web app depends on project requirements and tech stack. A simple web app can take two to four weeks, while larger platforms with complex APIs or mobile integrations may take three to six months. Enterprise work may require ongoing commitment.

How can I avoid hiring the wrong developer?

To avoid hiring the wrong developer, shortlist experienced developers with a strong track record, verified testimonials, and experience on similar projects. Use a paid test project to evaluate their problem-solving approach, communication style, and ability to meet deadlines.

What kind of long-term support can a full-stack developer provide?

Long-term support from full-stack developers may include postlaunch updates, security patches, performance tuning, and enhancements for mobile platforms. Full-time or part-time engagement models let you scale your team as needed.

How are AI tools changing the full-stack developer's workflow?

AI tools are shifting full-stack developer workflows from writing boilerplate code to managing AI-generated suggestions, enabling faster feature development. With approximately 40% of developers using generative AI, the role is evolving to focus more on prompt engineering and architectural oversight.