Jahanzaib K.

Full Stack Developer | 8+ Years of Experience | USD 600K+ Earnings

I’m a Full Stack Developer with over 8 years of experience building, scaling, and optimizing web applications for clients worldwide. With a proven freelancing track record of $600K+ in earnings across platforms (including $10K on Upwork), I bring both technical depth and real-world project delivery experience. I specialize in end-to-end development — from idea to deployment — ensuring performance, scalability, and clean code. My work spans startup MVPs, SaaS platforms, and enterprise-grade applications, with a strong focus on reliability and business impact. Core Skills & Technologies: 🔹 Frontend: React.js, Next.js, React Native 🔹 Backend: Node.js, Express.js, Laravel, CodeIgniter 🔹 Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, Redis 🔹 Servers & Cloud: Linux, Apache/Nginx, AWS, Google Cloud Platform (GCP), DigitalOcean, Heroku 🔹 Search & Data Processing: Elasticsearch, OpenSearch, Solr 🔹 DevOps & CI/CD: Docker, Kubernetes, Jenkins, GitHub Actions 🔹 APIs & Integrations: REST, GraphQL, WebSockets, third-party APIs Other Expertise: System optimization, microservices architecture, GIS development (Google Maps, Mapbox, Leaflet) What I Deliver: ➤ Scalable full stack applications tailored to business needs ➤ Clean, maintainable, and well-documented code ➤ Cloud deployment & infrastructure setup (AWS, GCP, DigitalOcean, Heroku) ➤ High-performance databases & search (MySql, Supabase, PostgreSQL, MongoDB, DynamoDB, Redis, Elasticsearch) ➤ Advanced DevOps & CI/CD pipelines for faster, reliable deployments ➤ GIS-powered web applications with mapping & geolocation features ➤ Strong communication & smooth collaboration with cross-functional teams ➤ On-time, budget-friendly delivery backed by a strong client success record I don’t just write code — I help clients launch, scale, and grow products that perform in the real world. From fast MVPs to complex enterprise-grade systems, I bring a mix of technical expertise, problem-solving skills, and proven freelance success to every project. If you’re looking for a reliable, experienced, and business-focused full stack developer, let’s connect and discuss how I can help bring your project to life.