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JK

Jatin Kumar

Open to work1 years experience

Software Engineer

Delhi, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Engineer with 1.5+ years of experience in OTT and video streaming applications.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

54 skills
javascripttypescriptgoc++sqlnode.jsexpress.jsrest apismicroservicesmongoosezodjwtmongodbredisdynamodbrabbitmqaws sqsreactreact nativeangularnext.jshtmlcssmaterial uiandroidiosandroid tvaws s3aws ec2aws cloudwatchdockerkubernetesjenkinsci/cdgitsentryhlsffmpegcdnmupdfbranch.iomixpanelga4firebaseonesignalstripecashfreefacebook sdkdata structuresalgorithmsoopdbmssystem designevent-driven architecture

Work Experience

Software Engineer (SDE 1)

Mogiio

Dec 2024 - Present Delhi, India
  • Shipped production features for an OTT platform with 1M+ monthly active users using React Native, React, Angular, Node.js, Express.js, MongoDB, Redis, and AWS.
  • Designed and delivered a TypeScript/Express comments microservice with Redis-backed reads, reducing p95 API latency by 70% from 500ms to 120ms.
  • Built an event-driven analytics pipeline processing 2M+ events per day, reducing primary database write load by 40% through asynchronous workers and queue-based ingestion.
  • Optimized high-read catalog and user APIs with Redis caching, country-aware filtering, and cache invalidation, reducing MongoDB read load by 40% and improving cache hit ratio to 85%.
  • Developed a Go-based PDF-to-image conversion service using aws-sdk-go-v2, go-fitz/MuPDF, tunable concurrency, asynchronous processing, multi-stage Docker builds, and graceful shutdown.
  • Reduced document conversion time from 25s to 6s and lowered infrastructure cost by 50% compared with the previous Node.js service.
  • Led React Native 0.77 migration and mobile performance improvements including list virtualization, infinite scroll, skeleton loading, and Android 15 edge-to-edge support, reducing screen time-to-interactive from 3s to 1.2s.
  • Integrated Mixpanel, GA4, Branch.io for deep linking and install attribution, Facebook SDK app events, Firebase, and OneSignal for product analytics, campaign attribution, and user engagement tracking.
  • Delivered end-to-end product features including short-reels analytics, geo-restriction, continue-watching, and payment flows across backend services, async workers, and client applications.

Projects

Media Transcoding Pipeline

View Project
Node.jsGoFFmpegRedisAWS SQSMongoDBHLS
  • Built an end-to-end video transcoding pipeline that ingests source videos, generates multi-bitrate HLS streams and thumbnails, and stores playback-ready media metadata.
  • Implemented SQS-driven Go workers, idempotent retries, Redis-backed status tracking, REST APIs, and an admin UI to manage uploads and monitor processing state.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Achievements Not Earned

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About Details

Professional Bio

Software Engineer with 1.5+ years of experience building scalable OTT, video streaming, and media-heavy applications. Proficient in React Native, React, Node.js, TypeScript, and Go with production experience in backend microservices and event-driven systems.

B.Tech in Software Engineering

Delhi Technological University (2019 - 2023)

Languages: English, Hindi
Email: Locked