Kartik Gaur on Tal
Headline
Full Stack Engineer | MERN Stack (MongoDB, Express.js, React.js, React Native, Node.js) | Next.js | TypeScript | AWS | GraphQL | Microservices | Serverless | AI Agents (n8n, Synamate) | Frontend & Backend Development
About
I am a Full Stack Developer with 4 years of experience in designing, developing, and deploying scalable, high-performance web applications. Skilled in building SEO-optimized platforms using MERN Stack (MongoDB, Express.js, React.js, Node.js) and Next.js, I specialize in both frontend and backend engineering, with strong expertise in cloud, automation, and AI-driven solutions. 🚀 Core Skills & Tools - Backend & APIs: Node.js, Express.js, GraphQL, REST, Microservices, Medusa.js - Frontend: React.js, Next.js, Tailwind CSS, JavaScript, TypeScript - Databases & Cloud: MongoDB, MySQL, AWS (EC2, Serverless, PM2, Redis) - Automation & AI Agents: n8n (workflow automation), Synamate (AI agents), AI-driven integrations - Architecture & Tools: Serverless systems, OAuth2, JWT, RBAC, Unit & Integration Testing (Mocha, Chai, Supertest) 🚀 Key Achievements - Reduced backend response times by 60% through query optimization and scalable system design. - Designed and implemented microservices-based Node.js backends to handle high-traffic applications efficiently. - Built and deployed secure, SEO-driven platforms across E-commerce, Healthcare, and Marketing domains. - Integrated AI agents and automation workflows with tools like n8n and Synamate, enabling smarter process automation and intelligent decision-making systems. - Recognized as a Top Performer for backend engineering and software design excellence. Led a team of 4 developers, delivering enterprise-grade solutions on time and within scope. ⚡ I am passionate about solving complex challenges, building AI-powered solutions, and pushing the boundaries of web development and automation. With a mix of full stack expertise, cloud scalability, and AI integration skills, I aim to create impactful digital products that improve user experience and accelerate business growth. 📫 Let’s connect if you’re looking for a developer who can deliver end-to-end, scalable, and AI-enhanced web solutions.
Work experience
Full Stack Developer at Leads NexTech India Pvt. Ltd., Apr 2023 - Present · 3 yrs 2 mos, Noida, ▸ Built a production headless e-commerce platform (Next.js + Medusa.js) with microservices for auth, CMS, and order processing — boosted organic traffic 40%+. ▸ Engineered high-throughput Node.js backend (PM2, Redis, Worker Threads) handling millions of requests at sub-100ms p95 latency; cut API response times 60% via DB query optimization. ▸ Integrated Razorpay, PayPal, and Stripe with webhook-driven order state management; achieved 95% test coverage across all services. ▸ Led a 4-developer team — sprint planning, code reviews, zero critical post-deploy bugs. ▸ Built a cross-platform Employee Benefits app (React Native) with policy viewer, digital e-cards, geolocation-based hospital search, claim submission, and push notifications. ▸ Offline-first architecture with background sync; optimized performance via FlatList virtualization and memoization — 40% faster screen load times.
Full-stack Developer at Parangat Technologies, Nov 2022 - Mar 2023 · 5 mos, Noida, ▸ Built and launched a multi-portal SaaS platform with subscription-based models and bulk communication features ▸ Deployed scalable applications on AWS (EC2, PM2) with 99.9% uptime ▸ Managed domains, email infrastructure (Zoho), and production environments ▸ Optimized database performance, reducing query time by 60% ▸ Integrated payment gateways & APIs, serving thousands of users ▸ Recognized as Top Performer for backend excellence
React Developer at Parangat Technologies, Apr 2022 - Nov 2022 · 8 mos, Noida, Uttar Pradesh, India
Frontend Developer at Appin Technolog Labs, Aug 2021 - Mar 2022 · 8 mos, Dwarka, Delhi, India
Education
Bachelor of Computer Application, Maharshi Dayanand University
Public links
github: https://github.com/gaurdeveloper1916
