Senior AI Platform Engineer | AWS Bedrock & AgentCore Infra

Fifty Mission Labs; Dublin; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work from Dublin base

Direct client access from day one

Impactful decisions

Job summary

Fifty Mission Labs in Dublin, Ireland (hybrid) is hiring an AI Platform Engineer to design and run the platform layer for agentic systems. This hands-on role involves building infrastructure, runtimes, and guardrails to enable reliable, secure agent work across client engagements.

You will work across codebases and cloud accounts, explaining decisions to non-engineers and delivering tangible, production-grade AI capabilities. Prior consultancy or regulated-environment experience is valued.

Qualifications

• Strong Python programming experience for production code.

Responsibilities

• Design and build agent runtime infrastructure on AWS (Bedrock, AgentCore, Lambda, ECS, Step Functions, API Gateway).
• Develop and maintain agentic harnesses and tooling (MCP servers, context mgmt, memory, retrieval, sub-agent orchestration).
• Own production characteristics: latency, token cost, failure modes, retries, rate limits.
• Build evaluation and observability layers (tracing, regression suites, evals).
• Implement guardrails, IAM, data handling, and GDPR compliance.

Job description

Fifty Mission Labs in Dublin, Ireland (hybrid) is hiring an AI Platform Engineer to design and run the platform layer for agentic systems. This hands-on role involves building infrastructure, runtimes, and guardrails to enable reliable, secure agent work across client engagements.

You will work across codebases and cloud accounts, explaining decisions to non-engineers and delivering tangible, production-grade AI capabilities. Prior consultancy or regulated-environment experience is valued.