Full Stack Software Engineer (NodeJS, Typescript) - A26183

About the role

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 Full Stack Software Engineer This is a 1 - year contract role. Internal Code: A26183 We design and build large-scale digital platforms that enable agencies to better serve the people of Singapore. We are looking for a Full-Stack Software Engineer to drive the development of a Whole-of Government Chat 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. What will you do? 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 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? From 5 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, certific

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