2027 Fresh Grad Hire - Backend Engineer (Security)

Responsible for building security systems (including the DevSecOps toolchain, risk control systems, FWAF, SIEM, etc.), safeguarding the company's overall business security through high-quality engineering delivery. Responsibilities • Take ownership of development iterations for at least one core system among the DevSecOps toolchain, risk control systems, FWAF, and SIEM, safeguarding overall business security. • Deeply explore and analyze business requirements, abstract security needs into standardized tool capabilities, and drive scalable adoption and end-to-end closed loops. • Continuously improve the existing security tooling ecosystem, optimize system weaknesses, and enhance tool performance, stability, and usability to better support business iterations. Requirements • Bachelor's degree or above, with solid foundations in computer science and software technology. • Proficiency in at least one language (Go/Rust/C++, etc.); excellent code design skills; deep understanding of object-oriented programming and design patterns. • Proficiency with mainstream storage components such as MySQL and Redis; strong data modeling skills and experience in SQL/NoSQL optimization. • Strong self-motivation, good cross-team communication skills, and a sense of technical responsibility; ability to independently deliver projects of moderate complexity. • English & Chinese as working languages: fluent reading and writing; able to read English regulations and standards documents, and to conduct day-to-day email and meeting communication in English. Preferred Qualifications • Basic understanding of security theory (web application security / data security / identity and access management). • Familiarity with AI agent development and spec-driven development (SDD) workflows. *Open to candidates graduating between January 2026 and August 2027.