Sugumar M

Senior Backend Engineer and Python Developer with 8+ years of experience building scalable APIs, microservices, and distributed systems using Python and Azure. Experienced in high availability, disaster recovery, asynchronous programming, multi-tenant architecture, performance optimization, cloud cost control, and engineering leadership

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.

B.Tech - Information Technology - Anna University (2013-01 - 2017-12)