Full Stack Engineer - AI-Driven, End-to-End Ownership

BLUE OCEAN SYSTEMS INFOTECH PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

BLUE OCEAN SYSTEMS INFOTECH PTE. LTD. is hiring a backend-focused engineer who can own services end to end in production.

Strong Node.js/TypeScript experience; occasional frontend work in React when the ticket calls for it. You will design robust APIs with authentication patterns (OAuth), contribute to observability with logging, tracing and metrics (OpenTelemetry preferred), and help make sound architectural decisions in a small, fast-moving team.

Qualifications

• Strong backend experience with Node.js/TypeScript; own services in production.
• Frontend ability in React when needed; primary backend strength.
• Solid API design with OAuth/authorization patterns.
• Observability mindset: logging, tracing, metrics; OpenTelemetry preferable.
• Familiar with LLM agent systems and sound architectural decisions.
• Comfortable with ambiguity; small team, you shape how to build.

Responsibilities

• Own services end to end in production.
• Architectural decisions in AI agents domain.
• Balance frontend and backend work as needed.
• Tackle ambiguity in a small team.

Skills

Backend Node.js

TypeScript

Frontend React

API design

OAuth

Observability

OpenTelemetry

LLM agent systems

Architectural decisions

Ambiguity tolerance

Tools

LangChain

AWS

GOOGLE ADK

MCP

A2A

Job description

BLUE OCEAN SYSTEMS INFOTECH PTE. LTD. is hiring a backend-focused engineer who can own services end to end in production.

Strong Node.js/TypeScript experience; occasional frontend work in React when the ticket calls for it. You will design robust APIs with authentication patterns (OAuth), contribute to observability with logging, tracing and metrics (OpenTelemetry preferred), and help make sound architectural decisions in a small, fast-moving team.