Lead Engineer/Engineer, AI Engineering, AI Products, Q Team CoE

Home Team Science and Technology Agency (HTX); Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

HTX's HTxAI team seeks an Engineer/Lead Engineer to design and develop ML/AI solutions for Home Team use cases, partnering with product managers and engineers to deliver production-ready AI capabilities on cloud or on-prem.

The role emphasizes hands-on Python, model development, deployment, and governance, with a two-year contract and opportunities to advance for senior candidates. Ideal for problem-solvers with a software engineering background and interest in homeland security.

Qualifications

• Postgraduate / tertiary qualification in Computer Science, Computer Engineering, Data Science, Data Analytics, Machine Learning, or relevant areas.
• Min. 2 years hands-on AI/ML or software engineering experience, including data preparation.
• Min. 2 years of Python coding experience.
• Familiar with open-source AI/ML development, deployment is preferred.
• Familiar with LangChain / LangGraph and open models such as Llama 4 and GPT OSS.
• Able to develop AI applications and deploy using Docker containers with REST APIs.
• Practical experience with Kubernetes is strongly preferred.
• Able to work with cross-functional and multi-agency teams.
• Communicate technical concepts clearly to stakeholders; capable of demos.
• Knowledge of emerging AI technologies and trends.
• Self-motivated, team player, creative with good communication and interpersonal skills.
• Domain knowledge in Homeland Security is a bonus.
• Applicants with >5 years' experience will be considered for more senior positions.

Responsibilities

• Develop, integrate and optimise AI/ML models to address Home Team use cases.
• Handle data pre-processing, engineering and annotation for model training and development.
• Work with software engineers to write production-quality code and deploy AI products on Cloud Platform (GCC) or on-prem infrastructure.
• Continually monitor and optimise performance of in-house AI solutions using pre-training and post-training techniques.
• Develop and deploy risk mitigation measures such as guardrails to ensure safe AI use, aligned with standards.
• Collaborate with Product Management to translate requirements into ML model requirements.
• Provide technical advisory and review related technical articles to support decisions.
• Keep abreast of new AI technologies and improve HTxAI’s engineering capability.
• Collaborate with external partners to co-develop novel AI solutions or enhance existing ones.
• Share knowledge in multi-disciplinary teams.

Skills

Python programming

AI/ML development

Software engineering

Data preparation

Education

Postgraduate / Computer Science / Data Science

Tools

LangChain / LangGraph

Llama 4

GPT OSS

Docker

Kubernetes

Job description

What the role is:

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 HTxAI 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, HTxAI aims to push boundaries and setting new standards in homeland security.As a Engineer / Lead Engineer in HTxAI, 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, HTxAI as AI Engineer, who is proactive and is able to design and develop machine learning / deep learning based AI solutions with good software engineering experience. He / she will be working with product managers, software engineers, and different stakeholders to build capabilities for our Home Team officers.

What you will be working on:

Develop, integrate and optimise AI/ML models to address Home Team use casesHandle data pre-processing, engineering and annotation for model training and developmentWork closely with the software engineers to write production-quality code and deploy AI products powered by AI/ML, RAG and agentic AI for use by Home Team on Cloud Platform (GCC) or on-prem infrastructureContinually monitor and optimise performance of in-house developed AI solution through pre-training and post-training techniques.Develop and deploy risk mitigation measures such as guardrails to ensure safe and responsible use of AI products, aligning with organisational standards and regulatory requirements.Work closely with Product Management team to translate product requirements into machine learning / deep learning model requirementsProvide technical advisory and review related technical articles to support key business decision and project decision makingKeep abreast of new AI technologies development and continuously improve HTxAI’s AI engineering capabilityCollaborate with external partners to co-develop novel AI solutions or enhance existing in‑house solutionsLearn and share knowledge in a multi‑disciplinary team both internally and externally

What we are looking for:

• Postgraduate / Tertiary qualification in any of the following: Computer Science, Computer Engineering, Data Science, Data Analytics, Machine Learning, or any relevant areas
• Min. 2 years of hands‑on experience in AI/ML and/or software engineering, including data preparation.
• Min. 2 years of Python coding experience
• Some working knowledge of AI/ML development, implementation and deployment is preferred
• Familiar with open‑source frameworks such as LangChain / LangGraph, and open models such as Llama 4 and GPT OSS.
• Able to develop AI applications and deploy the applications using Docker containers with REST APIs
• Practical experience with Kubernetes is strongly preferred
• Able to work collaboratively with cross‑functional teams multi‑disciplinary / multi‑agencies teams
• Able to communicate technical concepts and conduct demos in a clear and effective manner to stakeholders of varying technical background
• Knowledge of emerging AI‑related technologies and trends
• 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
• Applicants with more than 5 years’ relevant experience will be considered for more senior positions

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.

We wish to inform that only shortlisted candidates will be notified within 4 weeks upon closing of the advertisement.#LI‑NL2

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.