I'm Jeevan Pussella, a Senior Java Backend Engineer and Cloud Architect with 14+ years of experience designing and delivering production-grade distributed systems. I specialize in building high-performance Spring Boot microservices on AWS and Kubernetes for fintech and energy platforms where reliability and scalability are critical. I've led backend teams, enforced engineering best practices, and partnered with product stakeholders to deliver scalable, resilient, and production-ready solutions. I have hands-on experience improving API response times by 30% and reducing incident resolution time by 40% through enhanced observability, monitoring, and alerting frameworks.

Jeevan Pussella

I'm Jeevan Pussella, a Senior Java Backend Engineer and Cloud Architect with 14+ years of experience designing and delivering production-grade distributed systems. I specialize in building high-performance Spring Boot microservices on AWS and Kubernetes for fintech and energy platforms where reliability and scalability are critical. I've led backend teams, enforced engineering best practices, and partnered with product stakeholders to deliver scalable, resilient, and production-ready solutions. I have hands-on experience improving API response times by 30% and reducing incident resolution time by 40% through enhanced observability, monitoring, and alerting frameworks.

Available to hire

I’m Jeevan Pussella, a Senior Java Backend Engineer and Cloud Architect with 14+ years of experience designing and delivering production-grade distributed systems. I specialize in building high-performance Spring Boot microservices on AWS and Kubernetes for fintech and energy platforms where reliability and scalability are critical.
I’ve led backend teams, enforced engineering best practices, and partnered with product stakeholders to deliver scalable, resilient, and production-ready solutions. I have hands-on experience improving API response times by 30% and reducing incident resolution time by 40% through enhanced observability, monitoring, and alerting frameworks.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Work Experience

Senior Technical Lead - Backend Engineering at HCLTech Sri Lanka
February 1, 2022 - Present
Hands-on backend engineer leading microservice development using Java, Spring Boot, and AWS. Engineered Spring Boot middleware microservices for the E.ON FEHS platform, integrating 10+ third-party APIs, improving error handling and caching to accelerate API responses by 30%. Standardized the CO2 Cockpit platform by refining emission logic, tuning PostgreSQL queries, and adding Caffeine caching, boosting dashboard performance by 25%. Established monitoring and alerting for Spring Boot services to track API failures, latency spikes, and error thresholds, increasing service uptime to 99.8%. Mentored team on JUnit, Mockito, and JaCoCo TDD practices to hit 90% unit test coverage. Optimized Azure provisioning and Kubernetes rollouts to reduce infrastructure costs by 15-20%.
Associate Tech Lead - Backend Engineering at Axiata Digital Labs
July 1, 2021 - February 1, 2022
Led a team of six engineers to design and launch Genie, Sri Lanka’s leading financial super app, serving 50K+ users in the first three months while meeting strict compliance and performance requirements. Built cloud-native microservices with Spring Boot, Kubernetes, Kafka, and PostgreSQL, enabling real-time financial transactions at scale. Implemented AWS infrastructure using EC2, EKS, and CloudWatch to support continuous 24/7 transaction processing with reduced latency and improved reliability.
Senior Solution Developer at John Keells IT (Outsourced & Deployed to Axiata Digital Labs)
April 1, 2015 - July 1, 2021
Led backend development for fintech platforms deployed in Sri Lanka (Ezcash), Cambodia (SmartLuy), and Indonesia (XL-Tunai), serving more than 5 million users across all regions. Ensured full compliance with financial regulations in multiple countries, achieving 100% audit success and maintaining zero compliance issues. Enhanced core banking systems by integrating mobile wallet platforms using secure REST/SOAP protocols; enabled seamless fund transfers, improving customer satisfaction scores by 20%. Partnered with on-site teams and product owners to define technical requirements and architect scalable solutions, enabling on-time launches of three major regional fintech products.
Senior Software Engineer at Zmessenger (Pvt) Ltd
June 1, 2012 - April 1, 2015
Built and maintained the core SMS Gateway platform, processing more than 10,000 messages per day with 99.9% uptime, and implemented the SMPP protocol for communication with telecom SMSCs. Developed backend systems with Java, Spring, Vaadin, and MySQL for projects such as Consumer-Watch (a compliance monitoring tool) and the Subscription Services Platform, improving overall user experience. Optimized message delivery workflows to reduce latency and cut failure rates by 20%. Collaborated with QA and delivery teams to reduce post-release defects by 40% and improve system reliability.
Software Engineer at Virtusa (Pvt) Ltd
March 1, 2010 - June 1, 2012
Facilitated design, development, and launch of the Edex platform—a enterprise-grade solution serving over 1,000 daily users by building backend services with Java, Struts, and MySQL. Delivered telecom capabilities for the British Telecom (BT) project by driving feature development and coordinating with QA and product teams to ensure on-time releases. Performed code reviews and refactoring to improve code quality and maintainability, reducing production defects. Identified and resolved integration-phase issues, enhancing release stability and lowering defects during UAT.

Education

Bachelor of Science — Computer Science at University of Ruhuna, Matara, Sri Lanka
January 1, 2010 - March 10, 2026

Qualifications

Certified Kubernetes Application Developer (CKAD)
February 1, 2026 - March 10, 2026
AWS Certified Solutions Architect – Associate
December 1, 2024 - March 10, 2026
Sun Certified Java Programmer for the Java 2 Platform (SCJP)
August 1, 2008 - March 10, 2026

Industry Experience

Financial Services, Energy & Utilities, Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

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