Hi, I'm Ajit Rai
Backend Developer
1+ year building scalable Node.js & NestJS APIs, secure payment gateways, and high-performance backends. Based in New Delhi — I ship production systems that are fast, reliable, and built to scale.
Who I Am
Passionate about engineering that works
I am a dedicated Backend Developer with a passion for architecting scalable, efficient, and reliable server-side systems. Currently at Insueta Tech Pvt. Ltd., I focus on building robust APIs and optimizing backend infrastructures to support high-traffic applications.
With a technical background spanning a Diploma and a Bachelor's in Computer Science, I bring solid software engineering principles, data structures, and algorithmic thinking to every project.
Name
Ajit Rai
ajitrai1507@gmail.com
Role
Backend Developer
Location
New Delhi, India
Education
B.Tech, Computer Science
Status
Open to Work ✦
Backend Expert
Specialized in Node.js, NestJS & Express for high-performance server logic.
Database Pro
Proficient in PostgreSQL & MongoDB — data integrity at scale.
Clean Coder
Committed to maintainable, well-documented, and scalable codebases.
What I Know
Engineering that scales & performs
Backend
Core expertise
Frontend
Supporting skills
DevTools
Daily toolkit
Technology Stack
Tools I use in production
1+
Years Experience
10+
Projects Shipped
5+
Certifications
40%
DB Latency Cut
Career Path
1+ year of backend engineering
Backend Developer
Insueta Tech Pvt. Ltd.
New Delhi, India
- Developed and maintained highly scalable RESTful APIs using Node.js and NestJS, supporting thousands of concurrent users.
- Architected and implemented secure payment gateways (Razorpay) and user authentication systems.
- Spearheaded the vehicle management and logistics tracking modules for large-scale enterprise applications.
- Automated deployment workflows using CI/CD pipelines and managed cloud infrastructure on Vercel and AWS.
- Optimized database queries and schema designs in PostgreSQL to improve system latency by 40%.
Web Developer
Freelance Full Stack Developer
Remote
- Built custom web solutions for small to medium businesses using Next.js and TailwindCSS.
- Successfully deployed and managed over 10+ web projects with a focus on performance and SEO.
- Integrated third-party APIs and managed complex state transitions in React applications.
Production Work
Projects I've shipped
Frontend
AdsGrind
A global user acquisition marketing platform designed for scalable growth for mobile applications.
AccessNovaa
A digital accessibility platform providing tools to ensure inclusive and compliant digital documents.
Backend
Cannooh POS
Point-of-sale system where I developed the Users module and secure Payment processing module with Razorpay integration.
Get In Touch
Let's Connect
Have a project or opportunity? I'm always open to discussing backend roles, freelance work, or just a great conversation.