Senior Full Stack Engineer - A26150

Activate Interactive Pte Ltd (“Activate”) is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud technology that remove technology roadblocks and increase their business efficiency. 

We believe in positively impacting the lives of people around us and the environment we live in through the use of technology. Hence, we are committed to providing a conducive environment for all employees to realise their full potential, who in turn have the opportunity to continuously drive innovation. 

We are searching for our next team members to join our growing team. 

If you love the idea of being part of a growing company with exciting prospects in mobile and web technologies that create positive impact on people’s lives, then we would love to hear from you. 

Co-Development Business Unit is looking for Senior Full Stack Engineer

Internal Code: A26150

This is a fixed term contract. The engagement is 1 year.

What will you do?

The Government Digital Products (GDP) Team spearheads the digital transformation of government. We design and build large-scale digital platforms that enable agencies to better serve the people of Singapore.

We are looking for a Technical Lead to drive the evolution of a Whole-of-Government Search and Discovery platform, incorporating modern search architectures and Generative AI capabilities.

You will lead by example, guide architectural decisions, mentor engineers, and champion strong engineering practices while responsibly introducing emerging technologies such as GenAI into production systems.

• Provide technical leadership to an agile, cross-functional development team
• Define and communicate technical vision across multiple workstreams
• Design scalable, secure, and resilient architectures for search and AI-powered systems
• Make architectural trade-offs balancing performance, cost, reliability, and security
• Collaborate with other Tech Leads to plan technical spikes and long-term technical strategy beyond sprint scope
• Identify technical risks early and lead mitigation strategies
• Drive adoption of GenAI capabilities within search and discovery platforms
• Architect systems leveraging:
• LLM integrations (e.g., Azure OpenAI, OpenAI APIs, etc.)
• Retrieval-Augmented Generation (RAG)
• Semantic search and vector databases
• Establish guardrails for AI systems including:
• Evaluation frameworks
• Observability and monitoring
• Data governance and security considerations
• Guide the team from experimentation → prototype → production-ready AI systems
• Evaluate emerging AI technologies and assess suitability for public sector use cases
• Champion Agile technical practices (TDD, pair programming, refactoring, CI/CD)
• Lead DevOps adoption including build, release automation, and infrastructure improvements
• Oversee automated testing strategy (unit, integration, performance)
• Lead resolution of technical blockers and retrospective improvements
• Ensure engineering standards are upheld across the team
• Work closely with Product Owners and Business Analysts to prioritise business stories and technical investments
• Collaborate with UX Designers for feasibility studies and solution estimation
• Partner with Delivery Managers on long-term planning, system integrations, and resource forecasting
• Represent the development team in governance and stakeholder meetings
• Mentor and coach engineers to grow both technically and professionally

What are we looking for?

• More than 7 years of experience in web application development
• Proven experience leading agile development teams
• Strong hands-on experience with:

• Node.js, TypeScript
• Cloud platforms (Azure, AWS, GCP)
• SQL & NoSQL databases
• CI/CD pipelines
• DevOps practices

• Designed or led systems involving:
• Search engines (crawl, index, ranking, relevance tuning)
• Semantic search or vector search
• RAG architectures
• Production experience integrating LLMs into applications
• Experience managing AI-related trade-offs:
• Latency vs cost
• Accuracy vs hallucination risks
• Prompt engineering strategies
• Model evaluation methodologies
• Understanding of AI system governance, security, and responsible AI practices
• Strong coaching and mentoring capabilities
• Comfortable leading technical discussions and influencing stakeholders
• Proactive self-starter with strong ownership mindset
• Passionate about continuous improvement
• Curious about emerging technologies and willing to experiment responsibly
• Strong communication and stakeholder management skills
• Meticulous attention to quality and engineering standards

What do we offer in return? 

Competitive Compensation: Market competitive salary and variable performance bonus aligned to your skills, impact, and contribution. 

Benefits: Outpatient medical, specialist medical coverage and generous customisable flexi benefits, or flexi allowance; life and health insurance, thoughtful perks like special occasions “red packet” and CNY goodies, etc. 

Employee Wellness: Support for your physical, mental, and overall well-being through year-round initiatives. 

Growth & Development: Learning programmes, certification support, and a dedicated staff development budget. (We are a “SHRI 2025 Gold winner” in “Learning & Development; Coaching & Mentoring”) 

Career Progression: Structured career pathways that enable you to grow along a technical/domain expert track or a leadership track. 

Competency Framework: A structured and practical framework to support you to develop, perform, and succeed. 

Flexible Work Arrangement: Staff may choose to work flexi-place, flexi-time, and flexi-load based on existing framework 

 Why you'll love working with us? 

If you are looking for opportunities to collaborate with leading industry experts and be surrounded by highly motivated and talented peers, we welcome you to join us. We provide all employees with equal opportunities to grow and develop with us. We believe your success is our success. 

Does it sound like something you are interested in exploring further? Please be in touch with our team for an initial chat at [email protected]  

Activate Interactive Singapore is an equal opportunity employer. Employment decisions will be based on merit, qualifications and abilities. Activate Interactive Pte Ltd does not discriminate in employment opportunities or practices on the basis of race, colour, religion, gender, sexuality, national origin, age, disability, marital status or any other characteristics protected by law. 

Protecting your privacy and the security of your data are longstanding top priorities for Activate Interactive Pte Ltd. 

Your personal data will be processed for the purposes of managing Activate Interactive Pte Ltd’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results, and as is otherwise needed in the recruitment and hiring processes. 

Please consult our Privacy Notice (https://www.activate.sg/privacy-policy) to know more about how we collect, use, and transfer the personal data of our candidates. Here you can find how you can request for access, correction and/or withdrawal of your Personal Data.