Back End Developer (London)

Job Title: Backend Developer （Mandarin Speaking）

Job Type: Full-time

Location: On-site (United Kingdom)

Salary: £28,000–£45,000 per year

Schedule: Monday to Friday

Responsibilities:

• Design, develop, and maintain scalable and reliable API systems.
• Build and manage microservices to support system scalability and performance.
• Write clean, maintainable code following best practices, including SOLID principles and design patterns.
• Diagnose and resolve technical issues; provide ongoing technical support.

Essential Requirements:

• Proficiency in both Mandarin and English (working languages).
• Solid experience with backend programming, particularly Golang and Lua.
• Hands-on experience with PostgreSQL, Redis, and Kafka.
• Strong understanding of RESTful API design and implementation.
• Experience with Nginx and Linux-based environments
• Familiarity with development tools such as Git and Docker.

Preferred Qualifications:

• Understanding of distributed system principles (CAP, BASE, ACID).
• Experience with data tools such as Elasticsearch, ClickHouse, or Tarantool.
• Familiarity with OpenResty.
• Exposure to CI/CD pipelines and automated testing frameworks.

Experience:

• Minimum 1 year of back-end development experience (required).

Language Requirements:

• Mandarin (required)

Work Authorisation:

• Must have legal work authorisation in the United Kingdom (required)