Rajat Kumar
js. I design distributed REST APIs, optimize database performance, and deliver secure, high-performance applications.
About
Senior Software Engineer with 4+ years of experience building scalable full-stack and backend systems using Python, FastAPI, Django, React, and Next.js. I design distributed REST APIs, optimize database performance, and deliver secure, high-performance applications.
I lead cross-functional engineering efforts from requirement gathering to production deployment, implementing CI/CD pipelines with Docker and Jenkins/GitHub Actions. I also focus on robust authentication/authorization, caching strategies, and performance tuning for enterprise-grade workloads.
- 5 years' experience
- Joined June 2026
Industry experience
- Software & Internet
- Healthcare
- Professional Services
Work experience
Working as a full-stack developer on enterprise-level applications, delivering scalable and high-performance solutions. Designing and implementing solutions for complex technical problems across backend and frontend systems. Leading and managing a team for project delivery, ensuring code quality and timely releases. Conducting code reviews and managing pull requests to maintain high development standards. Collaborating directly with clients to understand requirements and deliver optimal software solutions. Effectively handling multiple clients and projects simultaneously in a fast-paced environment.
Engineered scalable, asynchronous backend architectures using Python, FastAPI, and Django to support high-traffic Next.js and React.js frontend applications. Streamlined cloud deployments by containerizing application ecosystems with Docker and establishing robust CI/CD pipelines via GitHub Actions and Jenkins. Optimized complex PostgreSQL indexing and SQL queries, significantly reducing API latency, while building reusable backend modules that accelerated cross-project delivery times.
Developed cloud-based solutions and contributed to infrastructure design. Designed ETL workflows to improve data processing and quality. Automated data processing using Python scripts.
Education
Qualifications and awards
Hire Rajat Kumar today
Post a job and invite Rajat, or contact them directly. No hidden commission.














