About Codex Solutions  

A joint venture company by ST Engineering Mission Software & Services Pte. Ltd. and HTX (Home Team Science and Technology Agency), Codex Solutions is set up to be a dynamic and forward-looking technology company established to develop cutting-edge software solutions that support and strengthen Singapore’s homeland security efforts. As a mission-driven organisation, we are focused on building strong in-house capabilities that directly address the complex challenges faced by the Home Team.

With a strong emphasis on innovation, product excellence, and impact at scale, Codex Solutions offers a unique environment where purpose meets technology. We are assembling a diverse and talented team of technologists and problem solvers who are passionate about making a real difference. If you're looking to shape meaningful solutions and be part of something bigger — Codex Solutions is where you’ll want to be.

Together, We Can Make A Significant Impact 

We are seeking an experienced Test Engineer with a strong background in software quality assurance and Agile delivery. The successful candidate will be responsible for designing, executing, and improving test strategies across the development lifecycle to ensure the delivery of high‑quality, reliable, and secure software products.

You will work closely with developers, product owners, and business stakeholders to test early, test often, and uphold quality at every stage of the Agile process.

Be Part of Our Success

Quality Engineering & Test Design

Design, develop, and execute test strategies, plans, and test cases to ensure software quality throughout the Agile development lifecycle.

Design and execute test cases based on acceptance criteria, ensuring new features meet defined quality standards.

Testing & Automation

Contribute to the automation of test cases and continuous testing processes using relevant tools and frameworks.

Perform manual and automated testing across functional, integration, system, and UAT stages.

Defect Management

Identify, document, prioritise, and track defects through resolution.

Collaborate closely with developers to triage issues, verify fixes, and ensure timely closure.

Agile Collaboration

Work alongside developers and product owners to test early and frequently within each sprint.

Ensure quality is maintained consistently throughout the Agile lifecycle.

Support UAT efforts through preparation of evidence, test artefacts, and functional validation.

Documentation & Reporting

Ensure test results, logs, and evidence are properly documented and audit‑ready.

Produce clear, comprehensive, and structured test plans, test cases, and bug reports.

Qualities We Value

Bachelor’s Degree in Computer Science, Information Systems, Engineering, or a related field.

At least 5 years of experience in software quality assurance or testing roles within Agile teams.

Proficient in manual and automated testing techniques, including unit, integration, system, and UAT testing.

Experience with test automation frameworks and tools (e.g., Selenium, Cypress, JUnit, TestNG, or similar).

Familiarity with Agile testing methodologies and continuous testing in CI/CD environments.

Strong ability to collaborate with developers, business analysts, and users to ensure high‑quality deliverables.

Highly proficient in writing detailed test plans, test cases, and bug reports with strong attention to detail.

Our Commitment That Goes Beyond the Norm

Opportunity to work on impactful public sector digital platforms.

Team-first culture with collaborative Agile practices.

Access to modern testing tools and cloud-based DevOps environments.

Structured career progression and skills development support.