Software Engineer I – Backend

WATI

full-time

Posted on: 1/12/2026

Location Type: Hybrid

Location: Ho Chi Minh City • Vietnam

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About the role

Develop, test, and maintain backend services and APIs that power WATI’s SaaS platform and WhatsApp Business solutions.
Work closely with frontend, mobile, and product teams to deliver new features and improvements efficiently.
Write clean and maintainable code, and contribute to system design discussions and code reviews.
Participate in code reviews and learn system design fundamentals from senior engineers.
Assist in debugging, troubleshooting, and improving performance of backend components.
Contribute to improving development workflows, CI/CD pipelines, and deployment processes.
Continuously learn new technologies and apply them to improve system reliability and scalability.

Bachelor’s degree or above in Computer Science, Engineering, or related field.
0-2 years of experience in backend development.
Required: Experience with backend development using Golang or C# .NET.
Basic understanding of databases (SQL or NoSQL) and RESTful APIs.
Basic understanding of version control (Git).
Exposure to cloud platforms (AWS, GCP, or Azure) is a plus.
**Nice to have:**
Experience with MongoDB or PostgreSQL
Basic knowledge of JavaScript or TypeScript
Strong problem-solving skills, willingness to learn, and a collaborative mindset.
Comfortable reading and writing technical documentation in English.

Tip: use these terms in your resume and cover letter to boost ATS matches.

backend developmentGolangC# .NETSQLNoSQLRESTful APIsGitMongoDBPostgreSQLJavaScript

problem-solvingwillingness to learncollaborative mindsettechnical documentation

Bachelor’s degree in Computer ScienceBachelor’s degree in Engineering