Hamid Sarfaraz User
@hamidsarfarazuser
Backend SDE at Optum building Kafka pipelines that process 500K+ daily events with zero data loss in production.
IndiaWhat I'm looking for
At Optum, I architected production microservices in Java and Spring Boot for healthcare data. I implemented Resilience4j circuit breakers, reducing system failures by 20%.
I engineered an Apache Kafka pipeline processing 500K+ daily events with exactly-once semantics, cutting processing latency by 20% with zero data loss in production. I also containerised services with Docker and deployed them on AWS and Kubernetes, achieving 97%+ uptime with zero-downtime rolling deployments.
Earlier, as a Software Engineer Intern at Intel Technologies, I built Java and JUnit testing frameworks and used JMeter to identify performance bottlenecks. At CatalystOne Solutions, I developed a compensation management module using Java HttpServlets and MySQL, and built a responsive frontend with REST API integration.
Experience
Work history, roles, and key accomplishments
Architected 8+ production microservices in Java Spring Boot, implemented circuit breaker pattern via Resilience4j, and engineered Kafka pipelines processing 500K+ daily events. Achieved 97%+ uptime on AWS/Kubernetes and reduced manual deployment time by ~40% with CI/CD pipelines.
Built automated Java/JUnit testing frameworks, boosting test coverage by 35% and reducing regression bugs by 20%. Developed cross-platform test scripts and conducted performance testing with JMeter.
Software Engineer Intern
CatalystOne Solutions
Jan 2018 - Jul 2018 (6 months)
Engineered a compensation management module using Java HttpServlets and MySQL, improving processing speed by 25%. Built a responsive frontend with JavaScript, jQuery, HTML/CSS, and REST API integration.
Education
Degrees, certifications, and relevant coursework
Manipal Academy of Higher Education
M.Tech, Software Engineering
Grade: CGPA 8.64
Pursued M.Tech in Software Engineering with a CGPA of 8.64.
Punjab Technical University
B.Tech, Computer Science & Engineering
Grade: 77%
Completed B.Tech in Computer Science & Engineering with 77%.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Salary expectations
Social media
Job categories
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