Directed technical execution for multiple projects with a team of five engineers, ensuring stable delivery, performance improvements, and cost efficiency.

Initiated and implemented a cost optimization project, reducing app infrastructure costs by 10% and saving millions annually.

Maintained zero production incidents during major events through proactive monitoring and alert system enhancements.

Managed technical OKRs, tracked project milestones, coordinated cross-team collaboration, and mentored new engineers.

Spearheaded migration to microservices for scalability and resilience.

Defined and tracked technical OKRs, coordinated cross-functional collaboration, and mentored new engineers.

Collaborated with cross-functional teams to deliver production-ready full-stack solutions within tight timelines.

Designed APIs supporting A/B testing and runtime UI variation; built analytics APIs to capture user behavior data.

Developed reusable front-end utilities, achieved >95% unit-test coverage, and maintained comprehensive API documentation.