AI & Full-Stack Engineer — Bedrock on AWS

JOBSTER PRIVATE LTD.; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

JOBSTER PRIVATE LTD. is seeking an AI Developer to build, test and deploy agentic AI applications on AWS, using Bedrock foundation models, Guardrails and AgentCore for secure, scalable solutions.

You will write production-quality code and collaborate with architects, product owners and security teams. Responsibilities include developing agentic AI workflows, integrating LLMs via Bedrock Runtime APIs, building RAG pipelines, configuring guardrails, and deploying agents to Bedrock AgentCore.

Qualifications

• 4+ years of software development experience with 1+ year building Generative AI / LLM apps.
• Hands-on experience with agentic AI solutions: tool use, planning, memory, multi-step reasoning & multi-agent collaboration.
• Practical experience with Amazon Bedrock (InvokeModel, Knowledge Bases, Agents) & Guardrails.
• Experience with Bedrock AgentCore (Runtime, Gateway, Memory, Identity, Observability).
• Strong Python proficiency (boto3, async, FastAPI) and familiarity with TypeScript/Node.js.

Responsibilities

• Develop agentic AI applications and multi-agent workflows using Bedrock and agent frameworks.
• Integrate LLMs via Bedrock Runtime APIs with robust prompt engineering, tooling and structured outputs.
• Build RAG pipelines using Bedrock Knowledge Bases and vector stores.
• Configure Bedrock Guardrails and apply ApplyGuardrail API in flows.
• Deploy agents to Bedrock AgentCore Runtime and expose tools via Gateway; implement memory solutions.
• Implement authentication/authorization using AgentCore Identity and AWS IAM.
• Use AgentCore Code Interpreter and Browser tools for secure code execution and web interactions.
• Instrument observability with CloudWatch, latency and cost tracking; monitor tool calls.
• Build APIs/integrations with enterprise systems using Lambda, API Gateway, Step Functions.
• Write clean, tested, documented code; participate in code reviews and CI/CD.
• Troubleshoot and optimise agent performance, safety and cost.

Skills

Python proficiency

Generative AI / LLM experience

Agentic AI solutions

Git / CI/CD familiarity

Containerisation

TypeScript/Node.js

Education

Degree in Computer Science or Engineering

Tools

Docker

FastAPI

CDK / Terraform / CloudFormation

GitHub Actions / CodePipeline

Job description

JOBSTER PRIVATE LTD. is seeking an AI Developer to build, test and deploy agentic AI applications on AWS, using Bedrock foundation models, Guardrails and AgentCore for secure, scalable solutions.

You will write production-quality code and collaborate with architects, product owners and security teams. Responsibilities include developing agentic AI workflows, integrating LLMs via Bedrock Runtime APIs, building RAG pipelines, configuring guardrails, and deploying agents to Bedrock AgentCore.