Principal Engineer (Solution Architect), Engineering, xCode

HTX (Home Team Science & Technology Agency); Singapore; On-site; SGD 180,000 - 280,000; Full time

Job summary

HTX is Singapore’s leading Science and Technology agency focused on transformative, operational-ready security solutions. The role oversees enterprise-level software architecture across multiple systems to deliver secure, scalable, and adaptable technology for homeland security.

This position centers on HTX's xCode function, driving architectural governance, pattern development, and leadership for cross-functional teams, with a strong emphasis on maintainability and delivery excellence in a

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Minimum of 15 years' experience in software engineering and over 8 years in senior architectural roles.
• Proven track record delivering large-scale in-house software projects across multi-site deployments.
• Deep expertise in front-end, back-end, data management, QA & testing, and solution architecture.

Responsibilities

• Architect end-to-end solutions spanning multiple systems, applications, and platforms.
• Create comprehensive solution blueprints with data flows and tech stack recommendations.
• Design solutions balancing functional and non-functional requirements (performance, security, scalability).
• Lead architectural governance, reviews, and documentation for stakeholders.
• Partner with business, product, and leadership to translate vision into technical solutions.

Skills

Solution architecture

Technical leadership

Cross-functional collaboration

DevOps

Documentation

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

DevOps

Job description

What The Role Is

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.

What The Role Is

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.

Get ready to embark on a transformative journey with HTX's newly formed xCode function, focusing on the organic in-house development of core software modules for the mission critical and sensitive systems. This new setup aims to achieve greater control, agility and responsiveness to evolving operation needs to the dynamic operating environment for software delivery.

Design and oversee enterprise-level technical solutions that align business requirements with scalable, secure technology architectures across multiple systems and platforms.

What You Will Be Working On

Key Responsibilities:

• Architect end-to-end solutions spanning multiple systems, applications, and platforms to meet complex business requirements
• Create comprehensive solution blueprints, including system integration patterns, data flows, and technology stack recommendations
• Design solutions that balance functional requirements, non-functional requirements (performance, security, scalability), and technical constraints
• Develop architectural decision records and maintain solution documentation for stakeholder communication
• Strategic Technology Leadership:
• Define technology roadmaps and architectural principles that support long-term organisational objectives
• Evaluate emerging technologies and assess their fit within the existing technology landscape
• Establish architectural governance frameworks and standards to ensure consistency across solution delivery
• Lead architectural reviews and provide guidance on technology selection for optimal solution outcomes
• Stakeholder Collaboration & Communication:
• Partner with business stakeholders, product managers, and senior leadership to translate business vision into technical solutions
• Facilitate architectural discussions with development teams, infrastructure teams, and external vendors
• Present solution proposals and architectural decisions to technical and non-technical audiences
• Collaborate with enterprise architects to ensure solution alignment with broader organisational architecture
• Technical Excellence & Delivery:
• Oversee technical implementation to ensure solutions meet architectural intent and quality standards
• Provide technical leadership during solution delivery, addressing complex integration challenges and architectural risks
• Mentor development teams on architectural patterns, design principles, and best practices
• Ensure solutions are designed for maintainability, extensibility, and operational excellence

What We Are Looking For

• Bachelor's degree in Computer Science, Software Engineering, or a related field
• Minimum of 15 years' experience in software engineering and over 8 years as a Solution Architect/Software Architect/QA Lead/Data Management Lead, or similar role.
• Proven track records of experience in developing and delivering large-scale projects with primarily in-house developed software products, including multi-site deployment and proven track records
• Demonstrated deep expertise in a specialized area (such as front end, back end, data management, QA & testing), solution and software architecture, DevOps
• Experienced in working with multiple cross functional teams to drive software delivery.
• Experienced in coaching technical excellence, development standards, and technical problem-solving
• Strong technical leadership with a self-driven approach to achieving technical excellence
• Possess strong problem-solving and documentation skills, with a keen attention to detail
• Highly analytical, self-motivated team player.
• 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 shortlisted applicants will be updated on the status of their applications within 4 weeks upon closing of the advertisement.