Krishna Srinivas Chilkamarri
Software Engineer | MS in CS | AWS Certified | Java, Python, C# | Scalable Cloud & Distributed Systems | APIs & Microservices | High-Performance, Compliance-Grade Platforms.
- Role
- Software Engineer Ii at CORtracker 360
- Location
- Buffalo, NY, US
- LinkedIn followers
- 500 followers
About Krishna Srinivas Chilkamarri
I design and deploy machine learning systems that detect fraud, optimize demand, and…
Experience
Software Engineer Ii
Feb 2025 — Present · Novi, MI, US
Citibank (Contract)* Engineered a fault-tolerant microservices transaction validation engine in Python 3.10 using state-machine logic and safeguarding $85B+ in daily payments while cutting errors by 27% and reinforcing compliance-grade audit traceability.* Spearheaded API contract-first design with OpenAPI and OAuth2, partnering with product, compliance, and integration teams to reduce partner onboarding time by 35% and standardize secure data exchange across backend services.* Optimized PostgreSQL performance by modeling normalized schemas, applying composite indexing, and tuning queries with EXPLAIN, cutting p99 read latency by 40% for high-volume institutional payment processing workloads.* Architected event-driven workflows with AWS SNS/SQS and DLQs, decoupling services, and sustaining uptime during peaks while lowering retry failure rates by 22% across global payment processing.* Refactored orchestration paths to simplify branching and improve determinism, boosting unit test reliability by 32% and enabling rapid integration of evolving compliance requirements with minimal production risk.* Automated containerized deployments via GitHub Actions, Jenkins, Docker, and CloudFormation, with gated releases and rollback strategies to accelerate delivery by 45% and reduce change failures.* Established PyTest-based unit and integration testing pipelines with CI/CD quality gates, maintaining 90%+ coverage and preventing production regressions in production-critical systems across engineering teams.* Mentored 3 junior engineers and 2 interns in API design, clean code, and TDD, improving cross-team incident response and lowering L3 escalations by 20%.
Education
The University of Texas at San Antonio
Master's degree, Computer Science
CVR College of Engineering, Hyderabad
Bachelor's degree, Computer Science
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