Developed backend features using Java and Spring Boot for 3 internal/external applications, delivering business logic and service-layer functionality across 30+ modules. Designed, built, and maintained 200+ REST APIs to support system integration, data exchange, and backend platform operations. Improved backend stability and maintainability by resolving 1k+ issues, optimizing core workflows, and supporting 5 releases/deployments. Collaborated with a team of 15 developers/QA/DevOps in an Agile environment to deliver features, fix production issues, and meet project deadlines. Worked with MuleSoft Anypoint Platform and created 10+ onboarding/technical documents to support faster integrations setup and knowledge transfer.

Software Developer at Comtrade SI

December 1, 2022 - June 1, 2023

Delivered 5 backend integration services using REST, SOAP, file transfer, and message queue patterns for enterprise-grade systems. Strengthened system performance and stability by addressing 500+ support issues, tuning critical workflows, and improving execution speed by 20%. Evaluated and refined business logic across 30+ services/modules, contributing to cleaner process flows and more reliable backend behavior. Supported ESB-based integration architecture in 3 environments, enabling secure and maintainable communications between distributed systems.

Lead Software Engineer at Comtrade SI

December 2, 2022 - June 2, 2023

Contributed to strategic technical decisions for backend products serving 1M+ users; designed a core Java/Spring Boot backend from ground up delivering 300+ APIs and services; improved performance by 25% and supported 2.5M+ daily requests; partnered with clients and stakeholders to provide production support and maintain stability across 5+ deployments.