Full-Stack AI-Powered Engineer for National Security

CSIT Singapore; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

CSIT Singapore develops cutting-edge products to safeguard Singapore's national security. We seek Full Stack Software Engineers to join a team building next-generation analytical platforms that dramatically reduce threat detection times.

You will deploy AI-powered features, including RAG-based semantic search and LLM-driven interfaces, and design scalable data solutions with MongoDB and Elasticsearch. Collaboration with UI/UX, data engineers, and product managers is essential to deliver

Qualifications

• Background in Computer Science or a related field.
• Proficiency in building dynamic, responsive user interfaces using React.js and modern JavaScript/TypeScript.
• Experience building secure RESTful APIs with Express.js, Fastify, FastAPI, Spring Boot, or equivalent enterprise-grade tools.
• Hands-on experience managing data persistence and search layers using MongoDB, Redis, Elasticsearch, or comparable NoSQL and search engines.
• Familiarity with design patterns and integrating services within complex, distributed systems.

Responsibilities

• Architect, develop, and optimize scalable web applications and high-performance APIs.
• Implement AI features including RAG-based semantic search and autonomous agents.
• Design robust data persistence and retrieval with vector search and embeddings.
• Manage CI/CD pipelines and containerization with Docker/Kubernetes in cloud environments.
• Collaborate with UI/UX, data engineers, and product managers to deliver analyst-focused dashboards.

Skills

React.js

JavaScript/TypeScript

RESTful APIs

AI feature integration

RAG patterns

Vector search

Embedding strategies

Education

Computer Science or related field

Tools

Express.js

Fastify

FastAPI

Spring Boot

MongoDB

Redis

Elasticsearch

Docker

Kubernetes

Job description

CSIT Singapore develops cutting-edge products to safeguard Singapore's national security. We seek Full Stack Software Engineers to join a team building next-generation analytical platforms that dramatically reduce threat detection times.

You will deploy AI-powered features, including RAG-based semantic search and LLM-driven interfaces, and design scalable data solutions with MongoDB and Elasticsearch. Collaboration with UI/UX, data engineers, and product managers is essential to deliver