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I’m a pragmatic full-stack developer with 5+ years of experience specializing in Python (Django, Flask), React, and production REST APIs. I ship reliable, scalable web apps and backend systems with clean PostgreSQL designs and repeatable deployment processes. I’ve led releases, implemented CI/CD workflows, and designed optimized PostgreSQL schemas for high-read systems. Recent contract work involved debugging large Django codebases, building APIs for dashboards, and delivering frontends for Elixir/Phoenix projects. I prioritize clean architecture, automated tests, and clear communication so you get reliable code and predictable delivery. My approach is API-first, testable, and focused on user experiences and robust functionality. My Full Tech Stack (high level) Frontend: React (hooks, component libraries), JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, Bootstrap, SASS, responsive design. Backend: Python (Django, Flask, FastAPI) Elixir / Phoenix; RESTful API design, JWT/OAuth auth, WebSockets. Node.js, Express.js, PHP, Laravel. GraphQL, microservices, authentication systems Data & infra: PostgreSQL (schema design, indexing, migrations), MySQL, SQL performance tuning, ETL & data extraction scripts, Docker, CI/CD. AWS, Vercel, Render, Heroku RESULTS I DELIVERED As a Django expert, I supported a large production platform (Founders Network) for ~948 hours, resolving critical bugs, shipping system upgrades, and maintaining a 5.0 client rating. As an API & Backend expert, I built and shipped core APIs and backend workflows for apprent.com, taskeen.sa, and dietcity.sa, delivering secure subscription and booking flows, reliable background jobs, and maintainable, well-documented endpoints. As an Elixir / Phoenix & Frontend expert, I delivered UI work ahead of schedule for a Phoenix project. Clients praised my responsiveness and clarity in communication. If you want a partner to take your project from spec to production, audit and stabilize an existing system, or build a fast MVP, Let's Connect! Keywords: Full Stack Developer, Web Developer, MERN Stack Developer, MEAN Stack Developer, JavaScript Developer, React.js Developer, Node.js Developer, Next.js Developer, Angular Developer, Vue.js Developer, PHP Developer, Laravel Developer, Python Developer, Django Developer, API Development, REST API, GraphQL, MongoDB Developer, MySQL Developer, PostgreSQL Developer, AWS Developer, Cloud Developer, Frontend Developer, Backend Developer, Software Engineer, E-commerce Website Development, SaaS Developer

Hi! 👋 I am Kajal projects across web and mobile, and the thing clients tell me most often is that I make complex builds feel manageable clear communication, no surprises, and work that holds up well after handover. I build full-stack web applications using the MERN stack (MongoDB, Express, React, Node.js) and cross-platform mobile apps using Flutter and React Native. Based in the UK, I work comfortably across European and US timezones, and I bring both technical depth and genuine business awareness to every project I take on. On the web side, I've built SaaS dashboards, real-time applications, REST and GraphQL APIs, booking and scheduling platforms, and eCommerce solutions. AI & Automation tools: OpenAI, ChatGPT, Claude, Gemini, On mobile, I've shipped consumer-facing apps in healthcare, fitness, social, and on-demand service categories both as standalone builds and as mobile counterparts to web platforms I've also developed. I'm equally comfortable starting from scratch or picking up an existing codebase that needs extending or fixing. What I try to bring to every project: honesty about what's realistic, questions asked upfront rather than mid-build, and progress updates that actually tell you something useful. I've worked with teams ranging from solo founders to mid-sized product companies, and I adapt my communication style to what work for each client. If you're looking for a developer who can own a build end-to-end and keep you in the loop throughout. I'd be glad to hear more about what you're working on Kajal MERN Stack Developer, Full Stack Developer, React Developer, React.js Developer, Node.js Developer, Express.js Developer, MongoDB Developer, Next.js Developer, Flutter Developer, React Native Developer, Cross-Platform App Developer, Mobile App Developer, Web Application Developer, SaaS Developer, Dashboard Development, Custom Software Development, REST API Development, GraphQL API Development, Firebase Developer, TypeScript Developer, JavaScript Developer, AI Integration, OpenAI Integration, ChatGPT Integration, Claude AI, Gemini AI, Real-Time Applications, Booking Platform Development, Scheduling Software Development, eCommerce Development, Healthcare App Development, AWS Deployment, Cloud Applications, Scalable Web Applications, Product Development, Software Engineer

I build AI-powered SaaS products, MVPs, and custom web applications for startups and businesses. 7+ years of experience with React, Next.js, Node.js, Python, PostgreSQL, and AI integrations. 200+ project successfully completed. AI SaaS Developer | Full-Stack Engineer specializing in AI Agents, OpenAI, Claude, RAG, React, Next.js, Node.js, Python, and Startup MVPs. I help founders launch scalable AI-powered products, SaaS platforms, and mobile apps from idea to production. I help startups and SaaS companies ship AI-powered mobile apps and full-stack MVPs, fast, clean, and production-ready. 3 apps launched with 5★ ratings and 50K+ combined downloads; now bringing the same execution standard to AI integration, LLM-powered products, and SaaS platforms. ━━━━━━━━━━━━━━━━━━━━━━ AI & Automation Services : - AI chatbot & agent development (LangChain, OpenAI API, RAG pipelines) - LLM integration into existing SaaS and web apps - AI workflow automation with n8n and Python - Custom GPT tools, voice AI, and document AI - Multi-agent systems (CrewAI, AutoGen) ━━━━━━━━━━━━━━━━━━━━━━ Mobile App Development : - React Native (iOS + Android) — single codebase, 40% cost saving - MVP to App Store launch in 4–6 weeks - FinTech budgeting app: 15K downloads, 4.9★ rating - Health tracking app: React Native + Node.js backend - E-commerce app: Stripe + Shopify API integration - App Store & Play Store publishing included ━━━━━━━━━━━━━━━━━━━━━━ Full-Stack & SaaS MVP : - React, Next.js, Node.js, Laravel, Python (FastAPI/Flask) - SaaS architecture, subscription billing, multi-tenancy - REST & GraphQL APIs, Firebase, PostgreSQL, MongoDB - AWS, Docker, scalable backend deployment ━━━━━━━━━━━━━━━━━━━━━━ Best fit for: → Startup founders building an AI-powered product or mobile MVP → SaaS companies adding AI features or a mobile companion app → Businesses automating workflows with AI agents and LLMs → Teams needing a senior dev who owns the full product cycle UK-based. Available for long-term contracts and dedicated engagements. Let's build something worth shipping. Invite me to your project. Thanks, Sarpreet Tags : AI Integration | AI Chatbot Development | OpenAI API Integration | LangChain Developer | RAG Pipeline Development | LLM Engineer | AI Agent Developer | Generative AI Developer | AI Workflow Automation | n8n Automation | AI SaaS Development | Autonomous AI Agent | Custom GPT Development | AI Automation Expert | Voice AI Agent | Multi-Agent Systems | Full Stack Developer | React Native Developer | Mobile App Developer | SaaS MVP Developer | MVP Development Next.js Developer | Node.js Developer | Python Developer | FastAPI Developer | REST API Development | TypeScript Developer | iOS Android Developer | SaaS Backend Developer | API Integration Expert | React Developer | Shopify API Developer | GraphQL Developer | MongoDB Developer | Laravel PHP Developer | Expo React Native | Push Notifications | Frontend Developer | Backend Developer | NLP Engineer | AI Copilot Development Document AI | Agent | SaaS, PHP, React, Node.js, Claude, ChatGPT API, MERN Stack, React, Next.js, Node.js, NestJS, ExpressJS, React Native, TypeScript, JavaScript, MongoDB, MySQL, PostgreSQL, Supabase, OpenAI API, AI Development, Node.js, RESTful API, ChatGPT API, DALL-E API, OpenAI API, GPT-4 API, AI Model Integration, Java, JavaScript #AIDeveloper #AISaaS #GenerativeAI #OpenAI #ClaudeAI #AIAgents #RAG #LangChain #LLM #AIAutomation #MCP #PythonDeveloper #FastAPI #NextJS #ReactJS #NodeJS #ReactNative #MobileAppDevelopment #SaaSDevelopment #MVPDevelopment #FullStackDeveloper #APIIntegration #AWS #StartupDevelopment #SoftwareEngineer

🚀 𝗦𝘁𝗼𝗽 𝘄𝗼𝗿𝗿𝘆𝗶𝗻𝗴 𝗮𝗯𝗼𝘂𝘁 𝗱𝗼𝘄𝗻𝘁𝗶𝗺𝗲, 𝘀𝗰𝗮𝗹𝗶𝗻𝗴, 𝗮𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 𝗰𝗼𝗺𝗽𝗹𝗲𝘅𝗶𝘁𝘆, 𝗜 𝗯𝘂𝗶𝗹𝗱 𝗔𝗪𝗦 & 𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝗷𝘂𝘀𝘁 𝘄𝗼𝗿𝗸, 𝘀𝗰𝗮𝗹𝗲 𝗳𝗮𝘀𝘁, 𝗮𝗻𝗱 𝘀𝘁𝗮𝘆 𝘀𝗲𝗰𝘂𝗿𝗲. Senior DevOps & Cloud Engineer | 8+ Years Experience | AWS • EKS • Kubernetes • IaC I bring 8+ years of hands-on experience designing and delivering secure, scalable, production-ready AWS infrastructure using Amazon EKS, Kubernetes, AWS CDK (TypeScript), and Pulumi. I specialize in multi-tenant Kubernetes (vCluster), intelligent autoscaling (KEDA, Karpenter), CI/CD automation, Docker, GitHub Actions, and DevSecOps to power high-growth, cloud-native platforms. ✅ 𝗔𝗪𝗦 𝗗𝗲𝘃𝗢𝗽𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 -Amazon EC2, VPC, IAM, S3, Lambda, CloudWatch, CloudTrail -AWS CodePipeline, CodeDeploy, CodeBuild -High availability, auto-scaling, and fault-tolerant architectures ✅ 𝗖𝗜/𝗖𝗗 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 -CI/CD pipeline design and optimization (Jenkins, Git, AWS CodePipeline) -Automated deployments, rollbacks, and blue-green strategies -DevOps best practices for fast and reliable releases ✅ 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗮𝘀 𝗖𝗼𝗱𝗲 (𝗜𝗮𝗖) -Terraform, AWS CloudFormation -Reusable, version-controlled infrastructure -Environment provisioning (dev, staging, production) ✅ 𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝘀 & 𝗢𝗿𝗰𝗵𝗲𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 -Docker containerization -Kubernetes (EKS) deployment and management -Microservices and cloud-native architecture ✅ 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 & 𝗦𝗰𝗿𝗶𝗽𝘁𝗶𝗻𝗴 -Ansible automation -Python & Bash scripting for DevOps workflows ✅ 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴, 𝗟𝗼𝗴𝗴𝗶𝗻𝗴 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 -CloudWatch monitoring & alerting -AWS security best practices (IAM, least privilege, audit logging) -Secure DevOps / DevSecOps mindset 🔹 What Clients Get When They Hire Me ✔️ Faster deployments with reliable CI/CD pipelines ✔️ Secure, scalable AWS cloud infrastructure ✔️ Reduced cloud costs through optimization ✔️ Clean, maintainable, and automated DevOps workflows ✔️ Clear documentation and long-term support 📩 Let’s discuss your project. Whether you’re building a new cloud platform, scaling Kubernetes, or optimizing AWS costs I can help you design and implement the right DevOps strategy. Send a message and let’s get started. AWS DevOps Engineer, AWS DevOps, AWS Cloud Engineer, AWS Solutions Architect, AWS Developer, Amazon EC2, Amazon S3, Amazon RDS, AWS Lambda, AWS VPC, AWS EKS, AWS ECS, AWS API Gateway, AWS IAM, AWS CloudFront, AWS Migration, AWS Cost Optimization, Cloud Deployment, Server Migration, CI/CD Pipeline, Docker, Kubernetes, Terraform, Infrastructure as Code, DevOps Automation, Linux Server, Nginx, Monitoring & Logging, High Availability Architecture, MERN Stack Developer, Full Stack Developer, React.js Developer, Next.js Developer, Node.js Developer, MongoDB Developer, REST API Development, GraphQL API, TypeScript Developer, SaaS Application Development.

If your web app feels slow, breaks under pressure, or can’t scale with growth, I build systems that solve those problems. As a 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, I turn ideas into fast, scalable, production-ready MERN applications built for real users and real revenue. With 𝟗𝟎+ completed jobs, and 𝟏𝟎𝟎% Job Success, I focus on building systems that are not just functional, I don’t deliver quick fixes or messy solutions. I build production-ready applications that teams can confidently maintain and scale. 𝐇𝐨𝐰 𝐈 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮: You don’t just need a developer, you need a Full Stack Developer who understands both business and technology. I build end to end MERN applications designed to: • Handle real traffic without performance issues • Scale as your business grows • Stay clean, maintainable, and easy to extend • Deliver real business outcomes, not just features Whether you're launching an MVP, scaling a SaaS, or fixing a broken app, I focus on long term reliability, not quick fixes. 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: • 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 React.js, Next.js, Redux Toolkit, Tailwind CSS, Material UI • 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Node.js, Express.js, REST and GraphQL APIs, TypeScript, Supabase (Auth, Realtime, Edge Functions) • 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐚𝐧𝐝 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 MongoDB including schema design, indexing, and optimization • 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 JWT, OAuth2 (Role based access control) • 𝐃𝐞𝐯𝐎𝐩𝐬 𝐚𝐧𝐝 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 Docker, CI CD, AWS, GCP deployments, SSR, caching, Netlify, Vercel, code splitting, API optimization 𝐏𝐫𝐨𝐯𝐞𝐧 𝐑𝐞𝐬𝐮𝐥𝐭𝐬: • Completed 88 plus projects with 100 percent Job Success • Built SaaS platforms used by real paying customers • Developed CRMs and automation tools that reduced operational costs • Improved application performance with faster load times and better scalability • Delivered clean, production ready code consistently 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞: • I take full ownership, no micromanagement needed • Clean and well structured code your team can rely on • Clear communication and regular updates • Focus on long term success, not short term fixes 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 𝐁𝐞𝐬𝐭: • Full Stack Web Development • MERN Stack Application Development • SaaS Platforms & Dashboards • CRM & Internal Tools • API Development & Integration • Performance Optimization • Scalable System Architecture • Fixing slow or unstable applications 𝐋𝐞𝐭’𝐬 𝐖𝐨𝐫𝐤 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫: If you need a Full Stack developer who understands both business and technology, click Message or Invite and let’s discuss your project. 🔑 Keywords: Full Stack Developer | MERN Stack Developer | Senior Full Stack Developer | React Developer | Node js Developer | Full Stack Developer MERN | Next js Developer | MongoDB Developer | Expert Full Stack Developer | Express js Developer | GraphQL Developer | Full Stack Developer SaaS | Backend Developer | TypeScript Developer | Full Stack Developer React Node | Angular Developer | PostgreSQL Developer | Full Stack Developer API | Web Application Developer | Cloud Developer | Full Stack Developer MongoDB | DevOps Developer | REST API Developer | Full Stack Developer Azure | Docker Developer | CI CD Developer | Full Stack Developer UI UX | JavaScript Developer | Full Stack Developer MVP | Frontend Developer | WebSocket Developer | Full Stack Developer Clean Code | SaaS Developer | Full Stack Developer Scalable | API Developer | Full Stack Developer Bootstrap | MUI Developer | Full Stack Developer Docker | Tailwind Developer | Full Stack Developer WebSocket | UI UX Full Stack Developer

🏆 𝟕+ Years Full Stack Development | 𝟐𝟎𝟎+ Completed Projects | 𝟏𝟎𝟎+ Satisfied Clients 🎓 𝐌𝐄𝐑𝐍 Stack Specialist | 𝐑𝐞𝐚𝐜𝐭 | 𝐍𝐨𝐝𝐞.𝐣𝐬 | 𝐀𝐈 𝐒𝐚𝐚𝐒 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ EXPERIENCE HIGHLIGHTS ✔ 10+ Years Full Stack Development ✔ MERN Stack Specialist ✔ AI SaaS Expert ✔ 10+ Years Multinational Organization Experience ✔ Production-Ready Solutions Only ✔ 7+ Years Building Scalable Web Applications ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I build scalable MERN stack applications, AI SaaS platforms, and production-ready web applications that perform at scale. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I BUILD ✔ Full Stack MERN Stack Applications ✔ AI SaaS Development & AI Chatbots ✔ Scalable Web Applications ✔ REST API & GraphQL API Development ✔ Real-time Web Applications ✔ Authentication Systems & Payment Integration ✔ Database Design & Optimization ✔ Performance Optimization & DevOps ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ EXPERTISE Frontend: React.js, Next.js, TypeScript, Redux, Tailwind CSS Backend: Node.js, Express.js, REST API, GraphQL, NestJS AI/LLM: OpenAI, ChatGPT, Claude, RAG Systems, Vector Search Database: MongoDB, PostgreSQL, MySQL, Optimization Cloud: AWS Deployment, Git, CI/CD, Production Ready ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHY CLIENTS CHOOSE ME ✔ 10+ years proven full-stack development ✔ MERN stack specialist ✔ AI SaaS expert ✔ Clean, scalable, production-ready code ✔ Reliable delivery & clear communication ✔ Long-term partnership approach ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Ready to build? Message me for a free 30-minute consultation call. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Keywords: Full Stack Developer | MERN Stack Developer | React.js Developer | Node.js Developer | Full Stack Web Development | Web Application Developer | Scalable Web Applications | REST API Development | GraphQL API | AI SaaS Development | AI Chatbot | ChatGPT Integration | OpenAI API | Claude API | RAG Systems | Backend Development | Frontend Development | Database Design | MongoDB Developer | PostgreSQL | Authentication Systems | Payment Integration | Real-time Applications | WebSockets | AWS Deployment | Git & GitHub | CI/CD Pipeline | JavaScript Developer | TypeScript Developer | Next.js Developer | Express.js | NestJS | Production-Ready Code | Performance Optimization | System Architecture | Startup MVP | SaaS Platform | Custom Web Development | API Integration | Third-party Integration | Stripe Integration | Database Optimization | Testing | Jest | Code Quality | Enterprise Software | Microservices | Scalable Systems | Clean Code | Long-term Support | Business Focus | 10+ Years Experience | Senior Developer | Experienced Developer | Full Stack Expert | MERN Stack Expert | AI Integration Expert | LLM Expert | Prompt Engineering | Vector Database | Embeddings | Knowledge Base | AI-Powered Applications | Machine Learning Integration