Engineer / Lead Engineer, Quality Assurance, AI Product, xData

Home Team Science and Technology Agency (HTX)

Permanent/Contract

Closing on 30 Sep 2025

What the role is

The Home Team Science and Technology Agency (HTX) is a statutory board under the Ministry of Home Affairs (MHA) which aims to pioneer innovation solutions and develop world class science and technology capabilities to transform and empower the Home Team in delivering safety and security for Singapore.
The xAI Products team is committed to empower our Home Team Department (HTD)'s flagship projects through the seamless integration of AI technologies. From identifying opportunities to delivery, launch, and continuous enhancement, xAI aims to push boundaries and setting new standards in homeland security.
As a Lead Engineer in xAI, you will be part of a dynamic engineering team that designs and develops AI-related solutions for Home Team use cases. We are looking for aspiring candidates with a passion for problem solving and solution development to fulfil a role in AI Products, xAI as QA Engineer, with strong understanding of software development principles, testing methodologies, and quality assurance practices. He/she must ensure good quality software releases as they are put into operation.

What you will be working on

Work closely with the development team to design, develop and execute Functional/Performance/Security test plans, test cases and test scripts to ensure software functionality and quality for in-house developed software products
Develop and maintain manual and automation test plans for machine learning/deep learning models and software applications. This includes the monitoring and reporting of the machine learning/deep learning models' performance, functional correctness of the solution/application
Conduct regular regression tests to ensure that changes to software do not adversely affect existing functionality.
Identify, document, and report issues and defects in the software and tracking them to resolution
Participate in the design and implementation of software features to ensure that they are testable and meet quality standards
Collaborate with product managers and other stakeholders to understand product requirements and ensure that they are met
Work closely with DevOps team to ensure best practices are followed and provide solutions to improve existing infrastructure processes
Evaluate new technologies and application testing-related tools, and provide recommendations on tools/processes that will enhance application functionality, performance and security capabilities

What we are looking for

Postgraduate / Tertiary qualification in computer science, engineering, information systems or other quantitative/ analytical fields.
0 – 8 years of solid practical QA experience working in a product and software engineering teams. Strong knowledge of software development lifecycle, QA methodologies, tools and processes with hands-on experience test automation tools and frameworks such as Selenium, PyTest, JMeter etc.
Knowledge of emerging AI-related technologies and trends
Good practical knowledge of Python, Java, JavaScript or other relevant programming languages in Windows or Linux environment preferred
Practical experience with Cloud environment with knowledge of a typical DevOps workflow
Experience in testing for AI models, with understanding of key evaluation metrics will be an advantage
Good verbal and written communication skills
Self-motivated, team player, creative with excellent communication skills, excellent interpersonal skills and ability to work independently.
Having domain knowledge in Homeland Security sector will be an added bonus
*** All new hires are appointed on a two-year contract in the first instance and will be assessed and considered for permanent tenure over time, based on performance.
As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment.
All applicants will be updated on the status of their applications within 4 weeks upon closing of the advertisement.

About Home Team Science and Technology Agency (HTX)

HTX is the world's first Science and Technology agency that integrates a diverse range of scientific and engineering capabilities to innovate and deliver transformative and operationally-ready solutions for homeland security. As a statutory board of the Ministry of Home Affairs and integral to the Home Team, HTX works at the forefront of science and technology to empower Singapore's frontline of security. Our shared mission is to amplify, augment and accelerate the Home Team's advantage and secure Singapore as the safest place on planet earth.

About your application process

This job is closing on 30 Sep 2025.

If you do not hear from us within 4 weeks of the job ad closing date, we seek your understanding that it is likely that we are not moving forward with your application for this role. We thank you for your interest and would like to assure you that this does not affect your other job applications with the Public Service. We encourage you to explore and for other roles within Home Team Science and Technology Agency (HTX) or the wider Public Service.