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Abhijeet Kumar S.
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Abhijeet Kumar S.

Senior Full-Stack Engineer | Python, React, Next, Node/NestJS | AI/RAG

🚀 Senior Full Stack Web Developer | MERN & Angular Specialist | Cloud & DevOps | 5+ Years of Experience I’m Abhijeet Kumar Singh, a skilled Full Stack Web Developer with over 5 years of hands-on experience delivering secure, scalable, and performance-driven web applications for startups and growing businesses. I work across the entire development lifecycle—planning, development, deployment, and optimization—ensuring solutions that are aligned with business goals and user needs. 🔧 Technical Skill Set Programming Languages JavaScript, TypeScript, HTML5, CSS3, SQL Frontend Development Angular, React, Next.js, Redux, Tailwind CSS, Shadcn UI, Material UI, Akita, Responsive Design, SPA Development Backend Development Node.js, Express.js, MongoDB, PostgreSQL, Supabase, RESTful APIs, Webhooks, Authentication & Authorization Real-Time Systems & Integrations Socket.IO, Payment Gateway Integration (ToCheckout), CMS Integrations, FFmpeg, Internationalization (i18n / Multi-language Support) Cloud, DevOps & Infrastructure Amazon AWS (EC2, S3, RDS, Lambda – core services) Linux Server Basics (Ubuntu) CI/CD Concepts, Deployment & Hosting Tools & Project Management Git, GitHub, Postman, JIRA, Azure DevOps, Trello, cPanel, Vercel 🎓 Certifications & Professional Development Hands-on experience with Agile & Scrum-based development workflows Practical exposure to DevOps practices and cloud deployments on AWS Continuous learner focused on system design, scalability, and performance optimization 💡 How I Can Help Full Stack Web Application Development (End-to-End) MERN Stack & Angular-based Projects API Design, Development & Database Architecture UI/UX Improvements & Frontend Optimization Real-time Applications (Chat, Notifications, Dashboards) Bug Fixing, Performance Tuning & Code Refactoring Deployment, Hosting & Production Support 🧩 Why Clients Choose Me ✔ Clean, maintainable, and scalable code practices ✔ Strong problem-solving and debugging skills ✔ Transparent communication and proactive updates ✔ Focus on business value, not just code ✔ Reliable delivery and long-term collaboration mindset I enjoy working closely with clients, understanding their vision, and turning ideas into robust, scalable digital products. Whether you’re building from scratch, scaling an existing system, or need a dependable developer to maintain and improve your application, I’m ready to help. 🟢 Available for full-time, part-time, or project-based work. Let’s connect and discuss how I can contribute to your project’s success.

🇮🇳Kanpur, India$15/hr100% JSS4.83 (14)Since Jun 2025

Earnings and projects

MRR
$3.9k

Last 6 months ÷ 6

World#8,433 / 412k
🇮🇳Country#1,028 / 45.9k
Revenue, last 30 days
$3k

Last 6 months: $23k

World#12,317 / 412k
🇮🇳Country#1,545 / 45.9k
Total earnings
$35k

Billed in all: $37k

World#100,113 / 412k
🇮🇳Country#14,378 / 45.9k
Per project
$1.9k

$1.8k in the last 6 months

World#79,310 / 412k
🇮🇳Country#9,651 / 45.9k
Projects, last 6 months
13

Across 14 contracts

64% fixed36% hourly
World#12,442 / 412k
🇮🇳Country#1,735 / 45.9k
Projects in all
18

Across 19 contracts

74% fixed26% hourly
World#143,609 / 412k
🇮🇳Country#20,354 / 45.9k

Earnings, last 30 days

$37.4k+$3k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$34k$36k$38kOct 8Oct 23Nov 7

Skill rankings: Top 2% in Database Management

Ranked by MRR among everyone on Upwork with the skill.

  1. #37Learning Management System935 freelancers · 🇮🇳 #9Top 4%
  2. #40Database Management1,656 freelancers · 🇮🇳 #6Top 2%
  3. #90Web Application Development2,030 freelancers · 🇮🇳 #26Top 4%
  4. #113AWS Lambda2,947 freelancers · 🇮🇳 #19Top 4%
  5. #127GraphQL3,403 freelancers · 🇮🇳 #29Top 4%
  6. #205Django5,931 freelancers · 🇮🇳 #36Top 3%
  7. #212RESTful API6,064 freelancers · 🇮🇳 #51Top 3%
  8. #212FastAPI4,337 freelancers · 🇮🇳 #44Top 5%