Kapil G.
Sr. Full Stack Developer
I'm a Senior Full-Stack Engineer with 13+ years of experience building scalable web and mobile applications for startups, SMBs, and enterprises worldwide. My expertise lies in developing high-performance SaaS platforms, AI-powered applications, CRM/ERP systems, eCommerce solutions, and enterprise software with a strong focus on clean architecture, performance, and long-term maintainability. I specialize in taking products from idea to production, handling everything from architecture and API development to cloud deployment and ongoing support. Core Expertise Backend * Ruby on Rails (Expert) * Python (FastAPI) * Node.js * REST APIs & GraphQL Frontend * React * Next.js * TypeScript * JavaScript * Vue.js * HTML5 * CSS3 * Bootstrap * Tailwind CSS Mobile * React Native * Android * iOS Cloud & DevOps * AWS * Docker * CI/CD * PostgreSQL * MySQL * MongoDB Specialized Experience * AI & LLM integrations (OpenAI, Claude) * Shopify development & custom API integrations * CRM & ERP solutions * Payment systems * Meta/Facebook Graph API * Healthcare & Telehealth * FinTech & Accounting platforms * Real Estate platforms * SaaS product development What You Can Expect * Production-ready, scalable solutions * Clean and maintainable code * Fast communication and transparent collaboration * Long-term technical partnership * End-to-end ownership—from planning to deployment Whether you need a Ruby on Rails expert, a React/Next.js full-stack developer, or someone to integrate AI capabilities into your product, I'm ready to help build software that delivers real business impact.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $597
Billed in all: $9,956$10k
$597 in the last 6 months
Across 14 contracts
Earnings, last 30 days
Skill rankings: Top 13% in Heroku
Ranked by MRR among everyone on Upwork with the skill.
- #50Heroku390 freelancers · 🇮🇳 #10Top 13%🇮🇳#10 of 89
- #195Ruby965 freelancers · 🇮🇳 #38Top 20%🇮🇳#38 of 152
- #346Amazon EC21,513 freelancers · 🇮🇳 #100Top 23%🇮🇳#100 of 458
- #366Ruby on Rails1,811 freelancers · 🇮🇳 #71Top 20%🇮🇳#71 of 369
- #573AngularJS3,100 freelancers · 🇮🇳 #298Top 18%🇮🇳#298 of 1,504
- #1,359Git5,766 freelancers · 🇮🇳 #206Top 24%🇮🇳#206 of 945
- #1,900jQuery8,973 freelancers · 🇮🇳 #665Top 21%🇮🇳#665 of 3,092
- #2,201CSS 39,914 freelancers · 🇮🇳 #568Top 22%🇮🇳#568 of 2,647