Kunal Rawat

Backend-focused Senior Software Engineer with 8+ years scaling distributed systems in Node.js, NestJS, and AWS. Led monolith-to-microservices migrations, owned billing and identity services for 2K+ users, and shipped production GenAI tooling including contributions to Google's Gemini CLI.

Senior Software Engineer - Aerem - Mumbai, India

(2025-05)

• Architected a B2B marketing platform on GrapesJS/NestJS, cutting frontend dev effort 60% and end-user setup 40% across 20+ enterprise accounts
• Delivered backend for Sunstore B2B marketplace processing ~50K catalog and order events daily across 6 partner services over RabbitMQ
• Mentored 3 junior engineers and introduced code-review guidelines that reduced review cycle time by 20%

Senior Software Engineer - Sky2C Freight Systems - Mumbai, India

(2024-11 - 2025-05)

Fixed-term contract engagement; concluded at end of agreed term.

• Migrated backend workloads from EC2 to AWS ECS/Fargate with auto-scaling, reducing infrastructure costs ~30% with zero production downtime
• Released a centralized Document Hub standardizing 100+ API endpoints for internal teams and partners via NestJS, Postman, and Swagger
• Built GitHub Actions CI/CD pipelines with blue/green releases, cutting feature rollout time from half a day to 2 hours

Lead Backend Engineer - Fydaa - Mumbai, India

(2023-05 - 2024-11)

Role eliminated amid company-wide funding constraints.

• Owned payments, login, and onboarding services end-to-end for 2K+ active users across 4 product squads; established SLO/SLA and on-call rotations
• Improved server response times 40% via connection pooling and query optimization; reduced bug reports 80% through legacy codebase refactor
• Designed a multi-tier referral system supporting 5 tiers and 12K+ referrers for the growth team

Senior Software Engineer - Vamstar - Hyderabad, India

(2022-05 - 2023-05)

Position closed following a company funding shortfall.

• Optimized Elasticsearch queries cutting execution time 65%; deployed GraphQL APIs with Redis caching and Lambda/DynamoDB Streams processing ~50K events/day

Senior Web Application Developer - Promodome Digital - Mumbai, India

(2020-11 - 2022-05)

• Engineered REST API and SPA dashboard on AWS EC2/ALB serving 15+ enterprise clients and ~1M monthly API calls; reduced transaction errors 45%

Senior Web Application Developer & Team Lead - Yocket - Mumbai, India

(2018-03 - 2020-10)

• Promoted to Team Lead; led 5 engineers, delivered notification service processing 10K+ messages per campaign and premium features for 6K+ paying subscribers

Junior Web Developer - Adevole - Mumbai, India

(2017-09 - 2018-03)

• Integrated Shopify, WooCommerce, and Facebook Chat APIs across 40+ client stores; cut reporting query time 60% via database optimization

Bachelor of Engineering - Information Technology - Mumbai University (2013-08 - 2017-03)