Backend Developer
Core
Develop, maintain, and enhance backend applications and services supporting telecommunication and digital business solutions.
Role type
Backend Developer
Builds
Backend applications, APIs, messaging services, and system integrations for Telkomsel's digital platforms.
Domain
Telecommunications / Digital Services
Deliverable
production ML models | product features
Required skills
Backend development, API development (ISO 8583, JSON), REST API, web services, messaging, system integration, SQL/NoSQL databases, Git/version control, debugging, testing, API documentation, QA/UAT support, troubleshooting, system optimization.
Preferred skills
Experience in telecommunications, digital services, fintech, or technology companies.
Technologies
Java, PHP, Python, Go, Node.js, ISO 8583, JSON, REST, SQL, NoSQL, Git
Responsibilities
Develop and maintain backend applications and services; Develop and maintain system integrations, APIs, and messaging services; Collaborate with internal technical teams and business partners to implement integrated services; Perform QA and User Acceptance Testing (UAT); Troubleshoot and resolve backend, API, and integration-related issues; Monitor backend application performance and contribute to system optimization; Prepare and maintain technical documentation.
Seniority
Junior to Mid-level, hands-on IC