Senior Backend Engineer

Siam Makro Public Company Limited

Backend Engineer responsible for integrating applications and developing APIs at CP Axtra in China. Requires expertise in backend languages and systems like AWS and GraphQL.

Posted 6/4/2026full-timeRemote • 🇨🇳 ChinaSeniorWebsite

Tech Stack

Tools & technologies

AWSGraphQLJavaJavaScriptMongoDBMySQLNode.jsNoSQLPostgresReactRedisSQL

About the role

Key responsibilities & impact

The Backend Engineer is responsible for the system to work behind the scenes.
The role is to integrate the application with all required systems and services and provide clean and easy-to-use API for the frontend part of the system.
Although the work is usually hidden from the user, the Backend Engineer bears the full responsibility for the application functionality, performance and scalability.
The Backend Engineer knows how to write clean modern APIs, integrate with legacy systems and work with databases
Design and develop the business logic and backend systems of the product
Work closely with frontend developers to design and develop functional, performing and complete APIs
Decipher existing companies software systems and be able to hook in application to applicable data sources
Write both unit and integration tests, and develop automation tools for daily tasks
Develop high quality, well documented, and efficient code
Challenge ideas and opinions to avoid pitfalls and inefficient solutions

Requirements

What you’ll need

You have experience as a backend engineer in common languages and frameworks, e.g., Java, Node Js, ExpressJS, NestJS or any other JS framework
You have experience in AWS
You have experience in GraphQL
You have deep knowledge of object-oriented programing and engineering principles such as SOLID
You have significant experience writing and utilizing autonomous services-oriented restful API services and performance tuning largescale apps
You have experience with database systems, with knowledge of SQL and NoSQL stores, e.g., MySQL, MongoDB, Redis, Postgres
You are able to write effective unit, integration, and API tests. It is a plus if you experience integrating with JavaScript frameworks, such as React

Benefits

Comp & perks

Full social insurance and housing fund
Year-end bonus
Phone allowance
Transportation allowance
Best Culture
Clear focus.
Diverse Workplace (Our members are from around the world!)
Non-hierarchical and agile environment
Growth opportunity and career path

ATS Keywords

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Hard Skills & Tools

JavaNode.jsExpressJSNestJSGraphQLSQLNoSQLMySQLMongoDBRedis

Soft Skills

responsibilitycollaborationproblem-solvingcommunicationcritical thinking