Headline

Backend Software Engineer | Java | Spring Boot | Microservices Architect | Cloud (AWS) Enthusiast | Scalable, High-Performance Systems | Agile Practitioner

About

Software Engineer with 9+ years building high-performance, scalable backend systems for millions of users in banking, insurance, and telecom. Expert in designing resilient microservices architectures, optimizing critical systems, and leading technical teams. 𝐖𝐡𝐚𝐭 𝐈 𝐒𝐨𝐥𝐯𝐞? 🔹 Build fault-tolerant, low-latency microservices handling massive concurrent load (99.95% uptime) 🔹 Architect event-driven systems with Kafka for real-time data processing and analytics 🔹 Optimize system performance: reduced p95 latency by 50-60% and improved resource utilization by 40% 🔹 Lead technical teams: mentor engineers, establish code quality standards, reduce production defects by 35% 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Java 21 | Spring Boot | Spring Reactive | Microservices | Kafka | Docker | Kubernetes | AWS | Redis | MySQL | DDD | TDD/BDD | System Design | Performance Optimization | Observability (ELK, Grafana, New Relic) 𝐑𝐞𝐜𝐞𝐧𝐭 𝐈𝐦𝐩𝐚𝐜𝐭: 🔹 Architected 8+ microservices, established code review standards (>90% coverage), reduced production defects by 35%, handling 500K+ DAU 🔹 Led Kafka migration reducing data processing latency by 70%, improving analytics accuracy to 99.8% 🔹 Delivered banking APIs for 2M+ customers (fund transfers, payments) with 99.95% uptime, <50ms p99 latency 🔹 Verizon e-commerce: 50% faster APIs (400ms→200ms), 8% less cart abandonment, $2M+ revenue impact Portfolio and Contact: ✨ Portfolio: https://sibiponkumar.netlify.app ✨ Connect with Me: https://linktr.ee/sibiponkumar Open to backend engineering, architecture, and tech leadership roles at scale-ups and enterprises.

Location

Bengaluru

AI stack

claude code

claude

codex

cursor

github copilot

Work experience

Senior Software Engineer at IBM, Oct 2019 - Present · 7 yrs 1 mo, India

Software Engineer at Cognizant, Dec 2017 - Oct 2019 · 1 yr 11 mos

Junior Software Engineer at Cognizant, Dec 2016 - Dec 2017 · 1 yr 1 mo

Summer Intern at Sans Pareil IT Services, Feb 2016 - Mar 2016 · 2 mos, India, Completed an internship at Sans Pareil IT Services, where I worked on a project focused on the distributed processing of large datasets using parallel algorithms on the Java platform. This experience allowed me to deepen my understanding of data handling techniques and optimize performance in scalable applications, while also enhancing my collaboration and problem-solving skills in a professional environment.

Education

Bachelor of Engineering - BE, Computer Software Engineering, Anna university

Higher Secondary, Mathematics and Computer Science, Shri Swamy Matriculation Higher Secondary School