Backend Developer: Build Scalable APIs & Integrations

INDICO; Jakarta Pusat; On-site; IDR 133,920,000 - 267,840,000; Full time

Job summary

INDICO, a Telkomsel Group digital company, is seeking a Backend Developer to build, enhance, and maintain backend applications and integrations for telecom and digital services. You will work with internal teams and Telkomsel to ensure robust APIs, messaging, and system integration, while performing QA/UAT and troubleshooting as needed.

The role requires 1–3 years in backend development, proficiency in Java, Python, Go, PHP or Node.js, and experience with REST APIs and databases.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or related field.
• 1–3 years of experience as a 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 programming language, such as Java, PHP, Python, Go, or Node.js.
• Experience with REST API, web services, messaging, and system integration.
• Good understanding of databases, including SQL and/or NoSQL databases.
• Familiarity with Git/version control, debugging, testing, and API documentation.
• Experience supporting QA/UAT and troubleshooting of backend services.
• Strong analytical and problem-solving skills.
• Experience in telecommunications, digital services, fintech, or technology companies is a plus.

Responsibilities

• Develop, maintain, and enhance backend applications and services supporting telecom and digital solutions.
• 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 improvement.
• Prepare and maintain technical documentation related to backend development and system integration.

Skills

Backend development

API development

QA/UAT testing

Analytical thinking

Education

Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field

Tools

Java

Python

Node.js

Go

PHP

ISO 8583

REST API

Git/version control

SQL/NoSQL databases

Job description

INDICO, a Telkomsel Group digital company, is seeking a Backend Developer to build, enhance, and maintain backend applications and integrations for telecom and digital services. You will work with internal teams and Telkomsel to ensure robust APIs, messaging, and system integration, while performing QA/UAT and troubleshooting as needed.

The role requires 1–3 years in backend development, proficiency in Java, Python, Go, PHP or Node.js, and experience with REST APIs and databases.