Sandip Das
Bangalore
Summary
Backend engineer with expertise in distributed systems and event-driven architectures. Successfully built core systems from inception, enhancing functionality and performance. Implemented software process improvements that significantly increased team efficiency.
Overview
6
6
years of professional experience
Work History
Senior Software Engineer (Promotions Platform)
Clevertap
Bangalore
07.2024 - Current
- Built core backend systems powering Clevertap’s promotions and rewards infrastructure.
- Designed and built a horizontally scalable message broker and reward distribution layer using AWS SQS, connecting Clevertap’s existing rule engine with the promotions system.
- Designed a large-scale reporting pipeline with streaming data processing, CSV/ZIP generation, and S3 uploads.
- Implemented a webhook rewards system with cron-driven asynchronous execution, enabling controlled delivery, retries, and isolation from core request processing.
- Built dashboard APIs and internal tooling for business and operations teams.
SDE 2 / Founding Engineer
ShoprTV
04.2022 - 07.2024
- Built a real-time live auction system in ShoprTV for bidding during live streams, and integrated streaming workflows.
- Developed core APIs for product discovery, auctions, and user flows in ShoprTV.
- ShoprTV began as a live e-commerce platform and later pivoted into Rehook, a B2B SaaS API based promotions platform.
- Designed and built the core backend of an API-first promotions platform, implementing a campaign-driven, event-based rule engine that evaluates user events against configured campaigns, and triggers extensible reward execution workflows.
- Built a ledger-backed wallet system with credit/debit flows, expiry handling, and reconciliation.
- Built Rehook dashboards, enabling Marketing people to manage campaigns.
Software Engineer (Backend)
Fanfight
10.2019 - 04.2022
- Owned the sports data ingestion pipeline integrating external live match feeds.
- Built systems for match lifecycle management, real-time scoring, and contest orchestration.
- Implemented contest flows with live leaderboards and optimized financial transaction flows.
- Built internal dashboards, promotion systems, and KYC automation.
- Worked extensively on real-time data consistency and concurrency.
Education
Bachelor of Technology - Computer and Information Sciences
Visvesvaraya Technological University
Bangalore01.2020
Skills
- Golang
- Nodejs
- Distributed Systems
- Event-Driven Architecture
- PostgreSQL
- Redis
- MongoDB
- DynamoDB
- Localstack
- AWS
- SQS
- Serverless
- S3
Timeline
Senior Software Engineer (Promotions Platform)
Clevertap
07.2024 - Current
SDE 2 / Founding Engineer
ShoprTV
04.2022 - 07.2024
Software Engineer (Backend)
Fanfight
10.2019 - 04.2022
Bachelor of Technology - Computer and Information Sciences
Visvesvaraya Technological University