Back-End Engineer
PT ITSEC Asia Tbk
- Full-Time
- On-site • Jakarta Selatan
- Negotiable
No Sign Up Required!
Job Description
- Design, develop, and maintain server-side applications, services, and APIs.
- Collaborate with front-end and mobile engineers to integrate user-facing elements with back-end logic.
- Implement business logic, system integrations, and security best practices (authentication, authorization).
- Develop and manage relational and NoSQL databases, ensuring data security, integrity, and performance.
- Optimize database queries and API performance for scalability.
- Write clean, maintainable, and well-documented code following development best practices.
- Write and maintain unit tests and integration tests.
- Troubleshoot and debug production issues to ensure system reliability.
- Participate in code reviews and stay updated on back-end technologies.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, or related field.
- 1-3 years of experience as Back-End developer.
- Proficient in server-side programming languages, particularly Java and Node.js (other languages are a plus).
- Experience with frameworks such as Spring Boot and Express.js (knowledge of other frameworks is an advantage).
- Knowledge of relational and NoSQL databases.
- Familiar with cloud platforms (AWS, GCP, Azure) and container technologies (Docker, Kubernetes).
- Knowledge of security best practices (e.g., OAuth, JWT, input validation, and data protection).
- Familiarity with CI/CD practices, version control systems (Git), and Agile development methodologies.
- Basic understanding of testing methodologies (unit testing, integration testing, TDD).
- Ability to tune performance and ensure scalability of applications.
- Collaborative mindset and ability to work effectively with cross-functional teams.
- Good communication skills and open to feedback.
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ITSEC is one of the leading cybersecurity companies in the APAC region, listed on the Indonesian Stock Exchange (IDX), with over 300 employees across five countries. We deliver end-to-end cybersecurity services and solutions, including Consulting Services, Security Solutions Integration, and Managed Security Services. ITSEC provides continuous IT infrastructure protection against multiplying cybersecurity threats and ensures compliance with increasingly demanding data protection and critical infrastructure regulations. Our expertise has been built over a decade of delivering thousands of high-quality cybersecurity projects, providing cutting-edge solutions in collaboration with world-class technology partners across financial, telecommunications, energy, transportation, manufacturing, and other critical industry sectors. We also have extensive experience in helping our customers with fraud prevention, Operational Technology (OT), and Industrial IoT (IIoT) security.
