Software Engineer (Japanese Speaking)

PT HiThink Technology Indonesia; Jakarta Pusat; On-site; IDR 180,000,000 - 240,000,000; Full time

Job summary

PT HiThink Technology Indonesia is seeking a Software Engineer in South Jakarta, Indonesia, to design, develop, test, and deploy high-complexity software systems. You will ensure quality, reliability, and performance while mentoring junior engineers and driving improvements across the SDLC.

The role requires strong Java and Spring experience, plus proficiency in VB.NET/.NET for UI/batch tasks. You will participate in design reviews, testing, and deployment, contributing to a culture of

Qualifications

• Bachelor's or master's degree in science/engineering fields (CS, software engineering, IoT, etc).
• Language requirements: fluent bilingual in Japanese (JLPT N3) or English.
• 2–3+ years in software development; 3+ years in system design & development.
• Minimum 2 years hands-on project development; OS/Middleware migration is a plus.
• Java, UI with Spring Framework; DB-access Java programming; VB.NET/.NET experience for UI/batch.
• ProC development skills or C + SQL proficiency (legacy code analysis).
• Led detailed design for at least two small-scale systems, including specs, DB/interface design, and architecture docs.

Responsibilities

• Develop high-complexity core modules with maintainable code.
• Conduct in-depth code reviews for critical components.
• Resolve complex defects and ensure system stability.
• Create and evaluate unit and integration tests.
• Perform module- and system-level testing.
• Prepare and validate production deliverables.
• Troubleshoot UAT and post-launch issues.
• Provide Level 3 technical support for incidents.
• Contribute to system design and enforce standards.
• Mentor junior engineers and conduct technical training.
• Share expertise in tools, frameworks, and methodologies.
• Support knowledge management through docs and training materials.

Skills

Java

Spring

VB.NET

ProC

Education

Bachelor's or master's degree in CS/Engineering

Tools

Power Designer

Visio

Lucidchart

Microsoft 365

Job description

At PT HiThink Technology Indonesia, we are committed to revolutionizing the way industries adapt to modern needs by delivering intelligent and sustainable solutions for smart cities, buildings, warehouses, and other environments. We combine cutting‑edge technology with practical expertise to create highly functional and interconnected ecosystems. Known for our global experience and exceptional client satisfaction, we thrive on fostering efficiency, connectivity, and long‑term positive impact across diverse domains.

Role Description:

This is a full-time Software Engineer role based in South Jakarta, Indonesia.

Responsible for designing, developing, testing, and deploying high-complexity software systems. Ensures code quality, system reliability, and performance through rigorous development practices and leadership in standards enforcement. Provides technical guidance, mentors junior engineers, and supports continuous improvement across the software development lifecycle.

Key Responsibilities:

1. Software Development & Code Quality

• Develop high‑complexity core modules with optimized and maintainable code.
• Conduct in‑depth code reviews for critical components.
• Resolve complex software defects and ensure system stability.

2. Testing & Quality Assurance

• Create and evaluate comprehensive unit and integration test cases.
• Perform module-level and system-level testing.
• Analyze test outcomes to recommend architectural improvements.

3. Deployment & Support

• Prepare and validate production deliverables.
• Troubleshoot UAT and post‑launch issues.
• Provide Level 3 technical support for critical incidents.

4. System Design & Standards

• Contribute to high‑level and detailed system design, especially for complex functionalities.
• Enforce software design standards and best practices.
• Review and explain designs to development teams.
• Support knowledge management through documentation and training material.
• Assist with integration testing and detailed design under mentorship.
• Attend and contribute to system design training programs.
• Mentor junior engineers and conduct technical training sessions.
• Share expertise in tools, frameworks, and methodologies.
• Foster a culture of continuous learning and best practices.

7. Delivery & User Support

• Contribute to user manuals and assist in user acceptance testing.
• Support end‑to‑end system and acceptance testing phases.

8. Ad-hoc Tasks

• Execute additional tasks and special assignments from management as needed.

Qualifications:

• Bachelor's or master's degree graduates with majors related to science and engineering, such as computer science, software engineering, big data, cloud computing, Internet of Things, network engineering, information, communication, electronics, etc.
• Language Requirements: Fluent bilingual communication (Listening/Speaking/Reading/Writing) in Japanese Language (Minimum JLPT N3) or English.
• Over 2-3 years of professional software development experience and at least 3 years in system design and development.
• A minimum of 2 years of hands‑on project development experience is required. Experience in OS/Middleware migration is a plus.
• Computer language skills: Java, UI: Experience with Spring Framework b) Batch: DB-access Java programming 2) VB: a) UI/Batch: VB.net or .NET experience (for field terminals).
• Preferred Skills (Want): ProC:* Development skills or C + SQL proficiency (needed only for legacy code analysis, not new development).
• The ideal candidate has led detailed design for at least two small‑scale systems, including creating functional and technical specifications, database and interface design, and system architecture documentation.

Other Supporting Skill & Experience:

• System Design Tools Proficient in industry‑standard design tools.
• Power Designer (data modeling, system architecture) (Additional examples: Enterprise Architect, Visio, Lucid chart).
• Proficient skills in office suites: Microsoft 365 (Excel, PowerPoint, Word).
• Infrastructure Management Hands‑on experience with: OS administration (Windows Server/Linux) Network configuration (TCP/IP, DNS, VPN) Hardware maintenance (servers, workstations).