Avinash Singh Chauhan
SDE | M.Tech at IIT PATNA
- Role
- Senior Development Engineer at Calsoft Private Limited
- Location
- Patna, BR, IN
- LinkedIn followers
- 500 followers
Experience
Senior Development Engineer
Sep 2022 — Present · Kolkata, IN
Backend Engineer contributing to large-scale enterprise platforms including Sierra Wireless (Octave & AirVantage) and Cisco SD-WAN.Designed and implemented a usage-based billing system tracking API metrics, led Elasticsearch to MongoDB migration for device usage data, and built ES dashboards for issue identification.Implemented Co-Management (User, Role, Scope) in Configuration-DB with major query builder refactoring impacting system-wide database operations.Delivered CSDL compliance updates across 400+ APIs and drove key architectural enhancements in Disaster Recovery, including replication flow, arbitrator role, cluster management, and multi-tenant upgrade workflows.Tech Stack: Java, Python, Clojure, MongoDB, Neo4j, Kafka, RabbitMQ, ELK, Docker, Nomad, Consul.
Education
Indian Institute of Technology, Patna
M.Tech, Mathematics and Computer Science
2019 — 2021
RCCIIT
B.Tech, Computer Science and Engineering
2013 — 2017
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