Full Stack Software Engineer (AI Digital Services)

About the role

Activate Interactive, a technology consultancy in Singapore, is hiring a Full-Stack Engineer for its Co-Development Business Unit, working on projects for Singapore government agencies. This is a fixed-term contract of 1 year. The engineer builds and delivers AI-powered digital services, including public-facing applications such as AI chatbots, AI agents, Model Context Protocol (MCP) integrations and other AI-enabled data dissemination solutions.

Key responsibilities

• Develop, deploy and maintain scalable, secure, high-performance AI-enabled web applications, including frontend interfaces, backend services and APIs on cloud infrastructure.
• Build AI-powered applications such as chatbots with session and context management, streaming responses and robust error handling.
• Develop and integrate MCP servers and clients so AI agents can access approved data, tools and services securely.
• Implement application and AI security controls, including authentication, authorisation, access management, data protection and safeguards against AI-related vulnerabilities.
• Write automated tests and evaluations for applications, chatbot responses, MCP integrations and interoperability.
• Work with DevOps and QA teams on CI/CD pipelines, automated deployments and performance monitoring.
• Monitor and optimise application performance, AI response quality, latency and resource use, keeping technical documentation and evaluating emerging technologies.

Required profile

• Degree or Diploma in Computer Science, Computer Engineering or Information Technology.
• At least 3 years of relevant software development or IT experience.
• Good written and verbal communication and collaboration with technical teams and stakeholders.

Required skills

• Integrating LLM APIs or SDKs (e.g. Amazon Bedrock, OpenAI, Anthropic) with prompt management, structured outputs and tool/function calling.
• Building MCP servers and integrating MCP clients, and RAG pipelines with embeddings and vector stores.
• Frontend and backend development with JavaScript/TypeScript (React or Next.js) and Python (FastAPI) or Node.js; REST, GraphQL or gRPC APIs and WebSockets.
• AWS cloud services, Docker, Kubernetes and Infrastructure as Code (Terraform or AWS CloudFormation).
• CI/CD pipelines (GitHub Actions or GitLab CI) and automated testing.
• Application monitoring, logging and tracing, and backend scalability techniques.
• Added advantage: AI agent development, WOGAA or Google Analytics, web security (OWASP, OAuth 2.0, JWT, CSP) and the Singapore Government ICT&SS Management (IM8) manual.

What we offer

• Competitive market salary and variable performance bonus.
• Medical coverage, life and health insurance, and flexible benefits or allowance.
• Wellness support, learning programmes, certification support and a staff development budget.
• Structured career pathways on technical, domain expert or leadership tracks.
• Flexible work arrangements (flexi-place, flexi-time, flexi-load).