I'm a backend & software engineer based in Singapore, with experience at ByteDance Douyin RD and a strong foundation in Golang, MySQL, Redis, and CI/CD. I enjoy building scalable systems, automating workflows, and exploring ML-powered developer tools. I love collaborating across teams and keeping pace with new technologies like distributed systems and large language models.

ZHANG WU HUI

I'm a backend & software engineer based in Singapore, with experience at ByteDance Douyin RD and a strong foundation in Golang, MySQL, Redis, and CI/CD. I enjoy building scalable systems, automating workflows, and exploring ML-powered developer tools. I love collaborating across teams and keeping pace with new technologies like distributed systems and large language models.

Available to hire

I’m a backend & software engineer based in Singapore, with experience at ByteDance Douyin RD and a strong foundation in Golang, MySQL, Redis, and CI/CD.

I enjoy building scalable systems, automating workflows, and exploring ML-powered developer tools. I love collaborating across teams and keeping pace with new technologies like distributed systems and large language models.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

Language

Javanese
Advanced

Work Experience

Live Backend Developer Intern at ByteDance - Douyin RD
September 1, 2025 - October 19, 2025
Designed and delivered the platform-side backend for a company-wide code asset governance platform, integrating with internal CI pipelines and delivering dashboards across PSM, owner, and service-node views for closed-loop management. Implemented a 9-dimension code quality scoring model with 3-tier weighting to support MR-level incremental and repository snapshot evaluations. Built batch pipelines for feature extraction, score aggregation, validation, and persistence to ensure stable, auditable, and reproducible results. Developed an LLM-based Auto-Fix Agent that locates issues, generates patches, and opens merge requests, accelerating remediation and boosting developer efficiency. Onboarded 10,000+ PSMs across Douyin Live; raised average code quality score from 68 → 73 within two months, with gains focused on 220 P0 critical services.

Education

Bachelor of Software Engineering at Nanjing University
September 1, 2019 - June 1, 2023
Master of Science (Computer Engineering) at National University of Singapore
August 1, 2024 - January 1, 2026

Qualifications

Honourable Award, Interdisciplinary Contest in Modelling
January 11, 2030 - October 19, 2025

Industry Experience

Software & Internet, Media & Entertainment, Professional Services