Sugumar M

Senior Software Engineer - Blue Yonder - Greater Bengaluru Area

(2023-07)

Designed a high-availability and disaster recovery architecture for microservices, improving service continuity and failover readiness.
Led end-to-end feature delivery across requirement analysis, technical design, implementation, testing, deployment, and production support.
Implemented zero-downtime customer onboarding, reducing service disruption during configuration and production rollout.
Supported the migration from a single-tenant model to a scalable multi-tenant architecture, improving onboarding efficiency and infrastructure utilization.
Introduced circuit breaker and graceful-degradation patterns to prevent cascading failures and strengthen service resilience.
Optimized Azure infrastructure for disaster recovery, reducing infrastructure costs by 20%
Improved memory utilization and overall system performance by 30%
Led a team of 10 engineers using Agile and Scrum practices to deliver backend services, platform enhancements, and production releases.

Software Engineer - Jio Platforms Limited - Greater Bengaluru Area

(2022-02 - 2023-07)

Designed and developed scalable APIs for new business requirements.
Redesigned database structures and optimized SQL queries to support large data volumes and improve query efficiency.
Implemented end-to-end ABAC and RBAC, enabling secure, fine-grained authorization across users and resources.
Enhanced existing APIs, improving performance by 40% under production demand.
Built backend services supporting millions of users across high-traffic production environments.
Developed asynchronous Python services using asyncio to improve concurrency and responsiveness.
Collaborated with product, frontend, QA, and DevOps teams to deliver features from technical design through production deployment.

System Engineer – Digital Cadre - Tata Consultancy Services - Chennai Area, India

(2018-03 - 2022-02)

Developed secure, modular, and well-tested Python applications used daily by thousands of users.
Developed and maintained REST APIs and backend integrations for business-critical applications.
Automated operational and data-processing workflows using Python, SQL, and shell scripts, reducing manual effort and improving support efficiency.
Diagnosed production incidents through log analysis, SQL investigation, and root-cause analysis to improve service reliability.
Partnered with customers and internal teams to analyze requirements, troubleshoot issues, and deliver application enhancements.
Created technical documentation and supported production systems through SQL updates, data loads, release validation, and application maintenance.

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