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Xtremax

Develops digital applications with interactive design

Full Stack Engineer - AI, Public Sector

Full-TimeUpdated on 10/14/2026
No salary listed
Mid
Singapore
In Person
Software EngineeringAI Application Engineering, Full-Stack Engineering

About the job

Requirements
  • Proven experience designing and building scalable, reliable, and maintainable software systems.
  • Strong proficiency in modern software development, including React.js, TypeScript, and Node.js, and a deep understanding of browser architecture.
  • Ability to build LLM workflows using retrieval-augmented generation, tool calling, structured outputs, agents, and human-in-the-loop patterns.
  • Ability to build evaluation pipelines using golden datasets, regression tests, deterministic evaluators, and LLM-as-a-judge.
  • Ability to implement observability, monitoring, guardrails, fallbacks, and validation for reliable AI systems.
  • Ability to balance model quality, latency, reliability, maintainability, and cost.
  • Hands-on experience with quality engineering practices, including unit, integration, and end-to-end automated testing and test automation frameworks.
  • Solid grasp of CI/CD, infrastructure concepts, and agile engineering practices.
  • Strong troubleshooting and debugging skills, including analyzing complex system behaviors and logs.
  • Excellent communication skills to explain technical trade-offs and quality standards to diverse stakeholders.
Responsibilities
  • Design, develop, and maintain high-quality features and services for government product teams, ensuring accessibility and performance.
  • Develop full-stack features across frontend, backend, APIs, data, and AI systems.
  • Design and build production-grade applied AI-powered applications and developer tools.
  • Use CI/CD pipelines to ensure seamless, reliable, and high-quality deployments.
  • Develop and maintain technical documentation, including API specifications, troubleshooting guides, and system architecture diagrams.
  • Translate customer feedback and production issues into reusable product improvements.
  • Work alongside Product Management to provide L1/L2 support to customers.
  • Work directly with government teams on discovery, demos, proof-of-concepts, architecture discussions, onboarding, integrations, and troubleshooting.
  • Gain knowledge of debugging and remediating WCAG accessibility issues on production websites.
  • Maintain automated tests, CI/CD pipelines, and technical documentation.
Desired Qualifications
  • Knowledge of Docker, infrastructure as code, and Bash scripting.
  • Interest in building inclusive technology and willingness to apply or develop expertise in WCAG 2.2 standards and assistive technologies.
  • Willingness to learn digital accessibility regulations and WCAG 2.2 Level A and AA requirements, and to learn screen readers such as VoiceOver, NVDA, and TalkBack.
  • Experience writing code that meets accessibility standards such as the Web Content Accessibility Guidelines (WCAG).
  • Candidates with more than 7 years of relevant software engineering experience may be considered for senior positions.

About the company

Xtremax is a digital solutions agency with offices in Singapore, Bandung, and Kuala Lumpur that designs, builds, and manages digital applications for government bodies, large organizations, MNCs, local businesses, and educational institutions. It combines user-centered design, strategic content planning, and the latest technologies to deliver end-to-end digital projects. The company partners with clients to understand goals, develop scalable solutions, and continuously improve through data and technology updates. Its advantage comes from an award-winning track record, a large regional network, and deep experience across public and educational sectors.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Singapore, Singapore

Founded

2003

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Simplify's Take

What believers are saying

  • Xtremax won GVT(T)24014 in August 2025 and GCC FMS in January 2026.
  • Its Optical CMS showcase on May 9, 2025 drew public- and private-sector interest.
  • Xtremax listed 59 active openings in 2026, signaling ongoing delivery demand.

What critics are saying

  • Revelio Labs shows headcount fell 54% from 2023 to 414 in March 2026.
  • Xtremax depends on Singapore government contracts; one procurement shift hits revenue fast.
  • If GovTech replaces Optical CMS standards after 2026, Visor loses its core advantage.

What makes Xtremax unique

  • Xtremax built GovTech-approved Visor for Optical CMS on June 29, 2025.
  • It holds AWS, Microsoft, Google Cloud, Adobe, Sitecore, and OutSystems partnerships.
  • Singapore public-sector cloud delivery, not generic web design, defines Xtremax's moat.

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Benefits

Flexible Work Hours