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Tun Tun Hlaing | Gengen

Tun Tun Hlaing


Senior Backend Engineer | Codigo (Mobile App Company)
Myanmar

Summary

Results-driven Backend Engineer with strong expertise in Java, Spring Boot, and Microservices, specializing in building scalable fintech solutions. Passionate about designing high-availability systems, optimizing transaction processing, and integrating secure financial APIs. Seeking opportunities in global-scale projects to drive efficiency and innovation.

Education

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    Yangon University of Foreign Languages (YUFL) Jan 2026 - Present

Experience

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    Senior Backend Engineer Codigo (Mobile App Company) Aug 2025 - Present • 9 mos

    Contributed to backend development of EPMS and UGS logistics systems for a Singapore client, building REST and GraphQL APIs and implementing secure authentication using Keycloak with custom SPIs. Modernized legacy architecture by transforming SOAP services to RESTful APIs and migrating messaging infrastructure from JMS to AWS SNS/SQS.

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    Senior Backend Engineer(Lead) MYDAY THU KYWAL CO., LTD Apr 2025 - Jul 2025 • 4 mos

    Contributed to backend development, performed bug fixes, and supported junior team members across social media and e-commerce projects. Resolved a critical performance bottleneck, optimizing system response time to be 10x faster than the original implementation.

Skills

  1. Java
    Novice
  2. Mysql
    Novice

Languages

  1. Japanese Language Proficiency Test (JLPT) N3
    Working knowledge