Software Engineer / Java Developer (Fixed-term contract)

About the Company

Located in the heart of Bangkok’s Phrom Phong District, Sertis is ASEAN's leading Data and AI engineering and solutions company. Since 2014, our advanced solutions and products have powered over 400 enterprise Data and AI deployments at the region’s leading companies and conglomerates. We are also a member firm of Andersen Consulting, a global consulting practice integrating business strategy, digital transformation, and AI-driven technology solutions with Andersen Global’s world-class expertise.

Sertis provides both productized and bespoke AI and Data solutions for our Customers, optimizing and commercializing their data in ways that activate real business results. Our 140+ team have developed product offerings and IP ranging from advanced Computer Vision applications accredited Global Top 20 by NIST, to automated insights monetization for Retailers, eKYC for financial institutions, AI-driven agricultural safety assurance, precision steel cutting, trading algorithms for hedge funds, and enterprise knowledge management systems based on AI.

We are data and AI pioneers, dedicated to enhancing the economic and social lives of our customers via technology. We aim to be one of the world’s leading Data and AI companies and to provide a culture that encourages learning, growth, and ownership.

About the Role

We're looking for a Software Engineer (Java/Spring Boot) who cares about the quality of what they ship — not just whether it works, but whether it's built right. You'll be part of an engineering team that moves fast, holds high standards, and values technical craft. This is a fixed-term contract, onsite role based in Phrom Phong, Bangkok.

Responsibilities

• Write clean, well-structured, and testable code that meets the team's coding standards and contributes to overall application performance and scalability
• Participate in code reviews, both giving and receiving constructive feedback to help maintain code quality across the team
• Develop features and backend services using Java/Spring Boot or Node.js within a microservices architecture
• Debug and troubleshoot issues effectively, applying the right tools and approaches to identify root causes and resolve them
• Collaborate closely with BAs, SAs, and teammates to translate business requirements into working technical solutions
• Follow the software development life cycle and internal engineering processes from sprint planning through to deployment

Qualifications

• Bachelor's or Master's Degree in Computer Science, Computer Engineering, Information Technology, or a related field
• Solid development skills with at least 2+ years of hands-on experience in an agile environment
• Strong working knowledge of Java/Spring Boot for backend, with familiarity in Node.js
• Experience building and maintaining RESTful APIs and working within a microservices architecture
• Good understanding of at least one relational database; PostgreSQL experience is preferred
• Familiarity with containerisation and infrastructure tooling such as Docker, Kubernetes, and Azure; willingness to learn
• Exposure to CI/CD pipelines using Jenkins or similar tools
• Thai National and Native only
• Thai National or currently based in Bangkok

Additional Information

• Employment type: fixed-term contract (contract_daily)
• Work arrangement: onsite (Phrom Phong, Bangkok)