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Kishan Kareliya

@kishankareliya

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Full Stack developer with 1 year building real-time, payment-enabled web apps.

India

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What I'm looking for

I’m looking to build production web apps where real-time performance, secure payments, and cloud scalability matter, with room to grow as I ship end-to-end features and improve reliability through testing.

I’m a Full Stack Developer with 1 year of hands-on experience shipping production web applications, combining React.js, Node.js, Express.js, and PostgreSQL to deliver fast, reliable user experiences. I focus on REST API development, real-time systems, and secure payment flows—especially when performance matters.

I’ve built real-time dashboards with WebSockets under 200ms latency, added WebRTC video calling, and improved API response times by 20%. On the backend, I delivered video processing pipelines with FFmpeg, HLS streaming with AWS S3 + pre-signed URLs, and strong quality with Jest (65% test coverage), while also leading AWS-based automation and AI job-matching solutions.

Experience

Work history, roles, and key accomplishments

Full Stack Developer

Bacancy Technology

Jan 2026 - Apr 2026 (3 months)

Engineered a real-time dashboard with live updates using WebSockets (Socket.io) and Node.js + TypeScript, achieving under 200ms latency. Integrated WebRTC video calling and built React components with JWT-based auth, improving API response time by 20%.

WebSockets Node TypeScript React JWT WebRTC REST APIs

Backend Developer

NR Crew

Mar 2025 - Sep 2025 (6 months)

Built a video processing pipeline using FFmpeg + Node.js to transcode uploads into multiple resolutions via BullMQ + Redis, and implemented HLS streaming (.m3u8) with AWS S3 and pre-signed URLs. Increased Jest test coverage to 65%, reducing production bug reports by 30%.

FFMPEG Node BullMQ Redis HLS AWS S3 Jest