Backend Engineer — APIs, Integrations & Scale

INDICO by Telkomsel; Indonesia; On-site; IDR 167,400,000 - 234,360,000; Full time

Job summary

INDICO by Telkomsel is seeking a Backend Developer to build, maintain, and scale backend services that power telecom and digital business solutions in Indonesia.

You will work on API integrations, messaging services, and system integration with Telkomsel and partners, perform QA/UAT, and troubleshoot backend issues while contributing to performance optimization and clear technical documentation.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field.
• 1–3 years experience as Backend Developer, Software Engineer, or similar role.
• Strong experience in backend development and API development (ISO 8583 and JSON).
• Proficiency in at least one backend language (Java, PHP, Python, Go, Node.js).
• Experience with REST API, web services, messaging, and system integration.

Responsibilities

• Develop, maintain, and enhance backend applications and services.
• Develop and maintain system integrations, APIs, messaging services, and backend services.
• Collaborate with internal teams and Telkomsel to implement integrated services.
• Perform QA and UAT to ensure backend functionality and integration meet requirements.
• Troubleshoot and resolve backend, API, and integration issues.
• Monitor backend performance and contribute to optimization and improvements.
• Prepare and maintain technical documentation related to backend development.

Skills

Backend development

API development

REST API

JSON

Database basics

Git

QA/UAT support

Problem solving

Troubleshooting

Analytics

Education

Bachelors in CS/IT/Software Eng

Tools

Git

SQL/NoSQL

API documentation

CI/CD basics

Messaging systems

Job description

INDICO by Telkomsel is seeking a Backend Developer to build, maintain, and scale backend services that power telecom and digital business solutions in Indonesia.

You will work on API integrations, messaging services, and system integration with Telkomsel and partners, perform QA/UAT, and troubleshoot backend issues while contributing to performance optimization and clear technical documentation.