Full-Stack AI Engineer (12-Month Contract)

Activate Interactive Pte Ltd.; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Outpatient medical

Medical coverage

Life insurance

Flexi benefits

Red packet & CNY goodies

Job summary

Activate Interactive Pte Ltd is seeking a highly capable software engineer to join the MOE DXD AI initiative in Singapore. You will design, build, and operate production AI applications across TypeScript, NestJS, React, Postgres, and AWS, with emphasis on reliability and security.

You will integrate LLM and multimodal APIs, develop evaluation pipelines, and improve observability while collaborating with product, data science, governance, GovTech Central, and MOE stakeholders.

Qualifications

• Strong software engineering fundamentals: design, testing, debugging, CI/CD, observability.
• Experience building production-grade full-stack applications and services.
• Hands-on experience with LLM application development.
• Understanding of AI system quality: evals, regression tests, monitoring, and human review.
• Ability to communicate clearly with engineers and non-technical stakeholders.

Responsibilities

• Design, build, test, deploy, and operate production AI applications across MOE.
• Write high-quality full-stack software across TypeScript, NestJS, React, Postgres, and AWS.
• Integrate LLM and multimodal APIs in production, including prompting, tool calling, streaming, voice interaction, retrieval, and memory patterns.
• Build evaluation pipelines for AI quality, safety, regression testing, and human review.
• Improve observability across AI products, including traces, logs, metrics, user feedback loops, and model behaviour monitoring.
• Build and harden prototypes of emerging AI capabilities into maintainable product or platform components.
• Collaborate with product managers, designers, data scientists, governance colleagues, GovTech Central, and MOE stakeholders.

Skills

System design

Testing

Debugging

CI/CD

Observability

Security

Full-stack development

LLM development

AI quality

Communication

Tools

TypeScript

NestJS

React

Postgres

AWS

Langfuse

OpenTelemetry

Job description

Activate Interactive Pte Ltd is seeking a highly capable software engineer to join the MOE DXD AI initiative in Singapore. You will design, build, and operate production AI applications across TypeScript, NestJS, React, Postgres, and AWS, with emphasis on reliability and security.

You will integrate LLM and multimodal APIs, develop evaluation pipelines, and improve observability while collaborating with product, data science, governance, GovTech Central, and MOE stakeholders.