Nilar Win

Senior Backend Platform Engineer with 8+ years of experience designing, developing, and supporting enterprise Java backend applications across FinTech (Mobile Financial Services) and Healthcare (Electronic Medical Record) domains. Strong expertise in Java 17, Spring Boot, Microservices, RESTful APIs, Apache Kafka, Redis, Oracle, PostgreSQL, event-driven architecture, distributed systems, and backend platform engineering. Experienced in building scalable payment platforms, transaction processing systems, enterprise integrations, and backend services with a strong focus on scalability, reliability, performance optimization, and production support.

Skilled in technical analysis, API design, system integration, troubleshooting complex production issues, and collaborating with cross-functional teams to deliver secure, high-quality software solutions.

Backend Platform Engineer at Digital Money Myanmar (Present)

• Analyzed technical requirements and collaborated with cross-functional teams to design scalable backend solutions.
• Reviewed API specifications and supported integration between internal and third-party systems.
• Implemented Kafka-based event-driven architecture to enable asynchronous transaction processing across distributed microservices.
• Designed and implemented Redis-based idempotency mechanisms to ensure transaction consistency and prevent duplicate payment processing in high-volume financial systems.
• Built fault-tolerant and retry mechanisms to improve service reliability and resilience.
• Designed and implemented secure RESTful APIs supporting Mobile Financial Services (MFS), payment processing, and enterprise integrations.
• Developed unit and integration tests using JUnit 5 and Mockito.
• Optimized backend performance through SQL tuning, Redis caching, and service enhancements.
• Supported production systems through monitoring, log analysis, troubleshooting, and root cause analysis.
• Participated in CI/CD implementation using Jenkins, Rancher, and ArgoCD.
• Collaborated with Product, QA, DevOps, and engineering teams to deliver scalable and secure solutions.

Java Developer at Myanmar Information Technology

• Developed and maintained enterprise Electronic Medical Record (EMR) and Hospital Information System (HIS) solutions using Java and Spring Framework.
• Designed and developed backend services and REST APIs supporting healthcare workflows and enterprise integration.
• Designed and maintained reporting solutions using JasperReports.
• Optimized SQL queries and database performance on Microsoft SQL Server.
• Investigated and resolved production issues through debugging and log analysis.
• Developed unit tests to improve application stability and maintainability.
• Supported deployment and maintenance on Apache Tomcat.
• Collaborated with Business Analysts and QA teams to deliver reliable healthcare solutions.

Master of Engineering in Information Technology

Bachelor of Engineering in Information Technology

Diploma in Java Programming – IMCEITS