S

Stefan Liu

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Senior Software Engineer
Galați, Romania
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Full-time jobs

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Résumé

Jobs verified_user 0% verified
  • Kombo
    Senior Software Engineer
    Kombo
    Nov 2023 - Current (3 years)
    • Designed and evolved a unified HRIS and payroll integration platform using Java 17 and Spring Boot, enabling
    scalable ingestion of heterogeneous APIs through standardized REST contracts and improving onboarding speed for
    new integrations by 35%.
    • Led decomposition of monolithic services into microservices architecture, defining service boundaries, inter-service
    communication via REST and messaging, and improving system scalability under peak enterprise workloads.
    • Implemented advanced caching strategies using Redis to reduce API response times and database load, achieving
    consistent sub-200ms latency for high-frequency endpoints across multiple tenant environments.
    • Optimized data persistence layers u
  • Lateral Group
    Senior Software Engineer
    Lateral Group
    Mar 2019 - Oct 2023 (4 years 8 months)
    • Architected scalable backend systems for fintech and healthcare platforms using Java and Spring Boot, focusing on
    microservices design, API consistency, and secure data handling in high-compliance environments.
    • Led performance tuning initiatives across distributed services, identifying bottlenecks in database queries and service
    communication, resulting in up to 45% improvement in system response times.
    • Designed event-driven architectures using messaging systems to support asynchronous workflows, improving
    resilience and decoupling critical services across large-scale enterprise applications.
    • Collaborated with cross-functional teams to define backend architecture strategies, aligning product requirement
  • NetEase
    Backend Developer
    NetEase
    Jun 2017 - Jan 2019 (1 year 8 months)
    • Developed backend services for large-scale gaming and content platforms using Java, supporting millions of users
    with high availability and low latency requirements.
    • Implemented RESTful APIs for game services and user data management, ensuring consistent performance and
    secure access patterns across distributed systems.
    • Optimized database interactions and caching strategies to handle high concurrency scenarios, reducing service
    latency and improving overall platform responsiveness.
    • Contributed to monitoring and logging improvements, enabling faster debugging and enhanced operational visibility
    in production environments.
Education verified_user 0% verified
  • Zhejiang University
    Bachelor's degree in Computer Science
    Zhejiang University
    Jan 2013 - Jan 2017 (4 years 1 month)
    Hangzhou, China