Senior Backend Engineer (AWS, Java/Spring Boot, Python & Node.js)

Location: Bangalore [Hybrid]

Experience: 10+ years

About the Role

Zeno is building the backend platform that powers our EV battery-swapping ecosystem — covering vehicle telemetry, swap station orchestration, wallet & payment transactions, fleet partner management, and dashboard identity/RBAC. We're looking for a Senior Backend Engineer to own the architecture and lead development of our core microservices, deployed on AWS, using Java/Spring Boot, Python, and Node.js.

What you'll do
Architect, design, and lead development of core backend microservices — Vehicle Service, Swap Station Service, Transaction Management Service, and Wallet Management Service — using Java/Spring Boot, Python (Quick API/Flask), and Node.js (Express) Own the design of the wallet/ledger subsystem — wallet balances, holds, and ledger entries — ensuring idempotent, auditable financial transaction processing Design and scale ingestion pipelines that process high-volume vehicle and swap-station telemetry (UDP messages)



into Click House, including materialized views, hourly/daily rollups, and TTL-based data lifecycle policies Architect and manage deployment infrastructure on AWS (ECS, RDS, SQS, SNS, S3, Secrets Manager, IAM, Cloud Watch, WAF, Route 53) Drive the use of Redis for low-latency live data serving, including optimizing placement within the VPC to reduce cross-AZ/network data transfer costs Define API contracts, service boundaries, and event-driven communication patterns (SQS/SNS) across microservices Design and review database schemas (Postgre SQL/RDS) for core domains — customers, vehicles, fleet partners, battery packs, swap stations, tariffs, and dashboard identity/RBAC Establish and maintain CI/CD pipelines (Git Hub Actions, ECR) and infrastructure best practices Lead incident response and root-cause analysis, including design of dead-letter queue (DLQ) handling for failed or incomplete transaction processing Mento

📌 Back End Developer (Bengaluru)
🏢 Zeno
📍 Bengaluru