Software Engineer (Backend)

PT ITSEC Asia Tbk; Jakarta Pusat; On-site; IDR 180,000,000 - 360,000,000; Full time

Job summary

PT ITSEC Asia Tbk is seeking a skilled backend engineer to develop, maintain, and deploy robust APIs for IntelliBron's product suite. You will own features end-to-end, write clean code with tests, and collaborate with frontend, mobile, and QA teams to ensure smooth integration.

The role requires 3+ years in backend development, strong Java 17+ and Spring Boot experience, and familiarity with Postgres, Redis, and containerized deployments. English and Bahasa Indonesia communication are essential.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience).
• Minimum 3 years of experience in backend development with production systems.
• Strong knowledge of Java 17+ and Spring Boot, RESTful APIs, and databases.
• Experience with Kubernetes, CI/CD, and security tooling is a plus.

Responsibilities

• Develop, maintain, and update backend services and APIs for the product suite.
• Own features from design through production deployment with tests.
• Collaborate with frontend, mobile, and QA engineers to define API contracts.
• Use AI tools to improve coding efficiency while ensuring quality and reviews.
• Follow secure coding standards and implement identity management protocols.
• Optimize queries, caching, messaging, and API routing for stability and performance.
• Participate in peer code reviews and resolve technical obstacles with the team.
• Investigate, troubleshoot, and resolve bugs across development and production.

Skills

Backend development

Java 17+

Spring Boot

RESTful APIs

English & Bahasa Indonesia comms

Education

Bachelor's degree in Computer Science or related field

Tools

PostgreSQL/TimescaleDB

Redis

OpenSearch

APISIX

RabbitMQ

Kubernetes

GitLab CI/CD

Keycloak/OIDC/JWT

Job description

• Develop, maintain, and update backend services and APIs for IntelliBron's product suite.
• Take full responsibility for assigned features from feature design through to production deployment.
• Write clean, maintainable, and tested code, including unit and integration tests for core logic and edge cases.
• Collaborate with frontend, mobile, and QA engineers to define API contracts and resolve integration issues directly.
• Use AI development tools where appropriate to increase coding efficiency, ensuring all generated code is thoroughly tested and reviewed before release.
• Follow secure coding standards, implement standard identity management protocols, and address security issues flagged by automated scan tools.
• Manage and optimize database queries, caching, messaging, and API routing for system stability and performance.
• Participate in peer code reviews to ensure engineering quality and assist team members when technical obstacles arise.
• Investigate, troubleshoot, and resolve software bugs across development and production environments.

Responsibilities

• Develop, maintain, and update backend services and APIs for IntelliBron's product suite.
• Take full responsibility for assigned features from feature design through to production deployment.
• Write clean, maintainable, and tested code, including unit and integration tests for core logic and edge cases.
• Collaborate with frontend, mobile, and QA engineers to define API contracts and resolve integration issues directly.
• Use AI development tools where appropriate to increase coding efficiency, ensuring all generated code is thoroughly tested and reviewed before release.
• Follow secure coding standards, implement standard identity management protocols, and address security issues flagged by automated scan tools.
• Manage and optimize database queries, caching, messaging, and API routing for system stability and performance.
• Participate in peer code reviews to ensure engineering quality and assist team members when technical obstacles arise.
• Investigate, troubleshoot, and resolve software bugs across development and production environments.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related technical field (or equivalent practical experience).
• Minimum 3 years of experience in backend development, with a track record of supporting production software systems.
• Languages & Frameworks: Strong working knowledge of Java 17+ and Spring Boot.
• Databases: Experience with relational databases (PostgreSQL/TimescaleDB), caching systems (Redis/Valkey), and search indexes (OpenSearch).
• APIs & Messaging: Experience building RESTful APIs, configuring API gateways (APISIX), and working with message queues (RabbitMQ).
• Infrastructure & Deployment: Familiarity with Kubernetes (RKE2 or GKE) and automated pipelines using GitLab CI/CD.
• Security: Practical knowledge of authentication protocols (Keycloak, OIDC, JWT) and automated security scanning tools (such as Aikido).
• Practical technical abilities, strong logical reasoning, and a reliable approach to task execution.
• Clear written and verbal communication skills in both English and Bahasa Indonesia.
• Ability to work independently with reasonable decision-making capabilities and clear judgment on when to elevate issues.
• Willingness to collaborate across teams, give and receive constructive feedback during code reviews, and support shared team goals.