• Reduced API Response time by 70% which resulted in a faster checkout experience for users leading to 5% uplift in conversions. Designed and implemented new APIs decoupled from the core payments platform, which helped improve maintainability and Time To Market.• Led a discussion series on postmortems and RCAs, completing 20 sessions with good participation, examining SDLC defects and sharing the learning across the team to avoid recurrence of similar issues.• Developed expertise in domain and technical details, acting as an SME to assist team members. Frequently consulted on API behaviour, database tables, code/testing frameworks, caching, logging, monitoring, and CI configurations.

• Improved billing payments availability from 99.99% to 99.999% by mitigating read-write database downtime by implementing a caching layer to bridge latency with the read-only replica. Conducted shadow testing to simulate outages and compare cache/read-only database responses with read-write replica, ensuring minimal impact on live traffic.• Resolved around 30 live issues, including 7-8 major and critical (P0/P1) issues, leveraging extensive domain and technical knowledge. Independently handled on-call duties on rotation, triaging, debugging, and fixing critical issues like pods getting unresponsive due to threads being blocked, database inconsistencies due to concurrency issues, fixing live database records etc.• Migrated API traffic from legacy synchronous service to latest reactor-based service. Documented differences in core logic, auth, validations, errors, logs etc., created sequence diagrams and fixed those differences. Shadow tested the changes against live traffic.• Contributed to design, implementation and testing of lots of different product features, which required digging into code and logs, documenting the behaviour and collaborating with different stakeholders to ensure success of those features.

• Contributed to development and integration of several Web Applications using Django and .NET Framework.• Developed a Data Automation Pipeline from scratch that completely automated the process of collecting and injecting datafrom different sources, applying encryption on sensitive fields, validating, and generating Power BI Reports.