Zhenyu Z.
Backend Engineer (Java)
Experience
Apr 2021 - Jun 2024
3 years 3 monthsBackend Engineer (Java)
Huawei
- Built a scalable data platform processing millions of structured records daily from multiple sources, enabling near real-time analytics, dashboards, and secure report exports. Supported business decision-making by reducing latency in insights and ensuring data reliability.
- Designed and deployed high-throughput Kafka ingestion pipelines, reliably processing millions of records daily for enterprise analytics.
- Built a Redis-based distributed self-healing task system, reducing manual intervention by ~90% and improving overall platform reliability.
- Improved database write performance, increasing ingestion throughput by ~40% and enabling near real-time data availability.
- Developed high-performance RESTful APIs for multi-dimensional analytics and TopN statistics, supporting enterprise teams in identifying key trends and anomalies.
- Optimized queries with caching, materialized views, and partitioned tables, reducing latency under heavy load by ~80%.
- Integrated application-layer Role-Based Access Control (RBAC) to enforce fine-grained data permissions, ensuring secure API access and compliance.
- Improved Jenkins + AWS EKS CI/CD pipelines for zero-downtime deployments and automated rollback, reducing deployment failures by ~90%.
Aug 2018 - Mar 2021
2 years 8 monthsBackend Engineer (Golang)
Huawei
- Managed millions of configuration records daily, implementing partitioned processing pipelines to improve throughput by ~30%.
- Introduced per-record retries, automated alerting, and nightly consistency checks, proactively detecting and resolving potential data inconsistencies.
- Designed unified RESTful APIs handling both synchronous and asynchronous message flows, ensuring low latency and high reliability.
- Reduced service downtime through heartbeat-based liveness detection, automatic service re-registration, and upstream failover notifications.
Summary
Experienced backend engineer with 5+ years in designing and building high-scale data platforms and microservices. Skilled in Java, Go, PostgreSQL, Redis, Kafka, and cloud-native architectures on AWS and Kubernetes. Proven track record in optimizing data ingestion, ensuring high availability, and delivering reliable APIs for large-scale applications. Strong focus on performance, scalability, and business impact.
Languages
Chinese
NativeEnglish
IntermediateEducation
Aug 2014 - Jun 2018
Xidian University
Bachelor’s in Software Engineering · Software Engineering · China
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