Senior Full Stack Developer (Typescript / Node.js / Express.js / Nest JS/ React / GCP / Postgresql)Experience: 8+ years Band - SDE 3 Location: Noida, Uttar Pradesh, India — full-time on-site (no hybrid, no remote)Department: Engineering — Platform &

- Product Reports to: Engineering Manager / Principal Engineer About the Role We are looking for a Senior Full Stack Developer to design, build, and scale distributedbackend services and modern web applications. You will own end-to-end delivery —from API and data modelling through to production operations — across a microservicesplatform built on Node.js, Nest JS, g RPC, Postgre SQL, Elasticsearch, Redis, and a multi -cloud footprint spanning Google Cloud Platform and AWS, with React on the front end. This is a hands-on senior IC role. You will write production code daily, set technicaldirection for your services, review others' work, and mentor mid-level engineers.

Key Responsibilities Backend &

- Architecture• Design, build, and maintain scalable microservices using Node.js and Nest JS(Type Script).
- Define and implement g RPC service contracts (Protocol Buffers) for highthroughputinter-service communication; maintain backward compatibility acrossversions.
- Build and version REST and Graph QL APIs for client-facing consumption.
- Decompose monolithic components into well -bounded services; define serviceownership, contracts, and SLAs.
- Experience with ORMs such as Type ORM or Prisma, and with raw SQL whereperformance demands it.
- Implement resilient inter-service patterns: retries, circuit breakers, idempotency,timeouts, back-pressure, and graceful degradation.
- Design event-driven flows using message brokers (Pub/Sub, Kafka, or Rabbit MQ)— including outbox patterns and exactly-once/at-least-once handling.

Media

Delivery, CDN &

- Video Streaming• Design, develop, and operate scalable video processing and transcodingpipelines for VOD and live streaming workflows.
- Implement video ingestion, adaptive bitrate (ABR) ladder generation, packagingfor HLS/DASH, thumbnail generation, previews, and media optimization using FFmpeg, GCP Transcoder API, or similar encoding platforms.
- Architect and manage CDN delivery infrastructure using solutions such as Cloud CDN, Cloudflare, Akamai, Fastly, or Cloud Front.
- Configure and optimize CDN settings including cache keys, cache-control policies, TTLs, invalidation workflows, origin shielding, geo-restrictions, signed URLs, andtoken-based access control.
- Drive streaming performance improvements through cache optimization, originoffloading,



multi-CDN strategies, and cost optimization initiatives.
- Develop and maintain media catalog, metadata management, content discovery,and playback services.
- Build and scale playback APIs responsible for manifest generation, playbackauthorization, and entitlement validation.
- Support Live Streaming and VOD platforms, including DVR functionality, catch-up TV workflows, and low-latency streaming architectures. Data &
- Search• Model relational schemas in Postgre SQL; write and optimise complex queries,indexes, partitions, and migrations.
- Diagnose and fix query performance issues using EXPLAIN ANALYZE, connectionpooling, and read-replica strategies.
- Design Elasticsearch (or AWS Open Search) indices, mappings, analyzers, andaggregation-heavy queries for search and analytics workloads; own reindexingand relevance tuning.
- Use Redis — self-managed, GCP Memorystore, or AWS Elasti Cache — for caching,distributed locks, rate limiting, session storage, and queue primitives; definecache invalidation strategy and TTL policy. Frontend• Build responsive, accessible interfaces in React.js with Type Script, hooks, andmodern state management (Redux Toolkit / Zustand / React Query).
- Optimise front-end performance: bundle size, code splitting, lazy loading,memoisation, and Core Web Vitals.
- Collaborate with design on component libraries and design-system consistency.
- Write component and integration tests (Jest, React Testing Library).

Engineering

Leadership• Lead technical design reviews and produce clear design documents with explicittrade-offs.

- Conduct rigorous, constructive code reviews; enforce coding standards and testcoverage.
- Mentor mid-level and junior engineers; grow team capability through pairing andknowledge sharing.
- Partner with Product, QA, and Design to break down epics, estimate accurately,and deliver predictably.
- Participate in on-call rotation; lead incident response and write blamelesspostmortems.

Required Skills &

- Experience• 8+ years of professional software engineering experience, with 5+ years buildingproduction backend services in Node.js / Express.js.




- 3+ years of hands-on Nest JS in production — modules, dependency injection,interceptors, guards, pipes, custom decorators.
- Strong Type Script across both backend and frontend.
- Proven experience designing and operating microservices at scale, includingservice decomposition and distributed-systems failure modes.
- Production experience with g RPC and Protocol Buffers — schema design,streaming, versioning.
- Deep Postgre SQL expertise: schema design, indexing, transactions, isolationlevels, query optimisation, migrations.
- Hands-on Elasticsearch: index design, mappings, analyzers, aggregations, clusterhealth, and performance tuning.
- Production use of Redis for caching and distributed coordination.
- Solid GCP experience — deploying and running services on GKE or Cloud Run withmanaged data services.
- Hands-on AWS experience — EKS/ECS or Lambda, RDS/Aurora, S3, SQS/SNS, Elasti Cache or Open Search, IAM roles and policies.
- Comfortable operating in a multi-cloud environment and reasoning aboutportability, vendor lock-in, and cost trade-offs between GCP and AWS.
- Dev Ops competence: Docker, Kubernetes, CI/CD pipelines, Terraform, monitoringand alerting.
- React.js proficiency — hooks, component architecture, state management,performance tuning.
- Strong grasp of API design, authentication/authorisation (OAuth2, JWT, RBAC),and secure coding practices.
- Testing discipline: unit, integration, and end-to-end (Jest, Supertest, Playwright/Cypress).
- Git-based workflows, trunk-based or Git Flow branching, and disciplined PRhygiene. Positive to Have• Experience with Kafka, Google Cloud Pub/Sub, or AWS MSK/Kinesis at highvolume.
- Cloud certification — GCP Professional Cloud Architect/Engineer or AWSSolutions Architect / Dev Ops Engineer.
- Experience migrating workloads between cloud providers or running active-activeacross regions and clouds.
- Familiarity with Next.js, server-side rendering, and edge caching.
- Exposure to multi-tenant Saa S or OTT/media streaming platforms.
- Implement secure video delivery mechanisms including DRM integration(Widevine, Fair Play, Play Ready), encryption, entitlement checks, and secure keymanagement.
- Monitor and improve Quality of Experience (Qo E) metrics including startuplatency, buffering ratio, playback success rate, video quality distribution, andviewer engagement metrics.
- Troubleshoot streaming issues across encoding, packaging, CDN, player, andnetwork layers.
- Knowledge of BFF patterns.
- Performance and load testing (k6, JMeter, Artillery).

📌 Back End Developer (New Delhi)
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