Third Nexus Group Limited

Third Nexus Group Limited

London

AWS AI Agent Engineer

Contract£? - ? per yearпозавчераUnited Kingdom
IT

Job Description

Salary: £? - ? per year

Requirements:
  • Strong hands-on experience in Amazon Bedrock and agentic AI implementation patterns.
  • Practical experience with AWS AgentCore or similar AI agent runtime and orchestration capabilities.
  • Advanced Python and TypeScript development experience.
  • Experience implementing RAG, prompt engineering, tool/function calling, and AI workflow orchestration.
  • Experience with production monitoring, observability, and operational support for AI/ML or GenAI workloads.
  • Strong understanding of AWS serverless, event-driven architecture, IAM, and cloud security principles.
  • Good understanding of CI/CD, Infrastructure as Code, and release automation.
  • Strong problem-solving, communication, and stakeholder collaboration skills.
  • Experience with LangChain, LangGraph, Semantic Kernel, CrewAI, or similar agent frameworks is preferred.
  • Experience with Bedrock Knowledge Bases, vector databases such as OpenSearch, Pinecone, or Weaviate, and embedding-based retrieval patterns is preferred.
  • Experience with MCP, enterprise tool integration, and workflow automation is preferred.
  • Knowledge of AI safety, guardrails, governance, responsible AI, and GenAI FinOps is preferred.
  • Experience integrating AI solutions with ServiceNow, Salesforce, SAP, or other enterprise systems is preferred.
  • Experience operating highly available AI applications in production environments is preferred.
  • AWS certifications in AI, machine learning, development, or solutions architecture are preferred.
Responsibilities:
  • Design and develop AI agents and multi-agent workflows using AWS AgentCore and Amazon Bedrock.
  • Build autonomous and intelligent agents leveraging foundation models, tools, memory, and orchestration capabilities.
  • Implement RAG, tool calling, agent collaboration patterns, and workflow automation for enterprise use cases.
  • Integrate AI agents with enterprise APIs, databases, event streams, and third-party platforms.
  • Design secure and scalable AI architectures aligned to AWS Well-Architected principles.
  • Develop backend services, APIs, and orchestration components using Python and TypeScript.
  • Build event-driven and serverless applications using AWS Lambda, API Gateway, EventBridge, Step Functions, DynamoDB, and SQS/SNS.
  • Create reusable libraries, patterns, and accelerators to standardize AI agent development across teams.
  • Establish monitoring, observability, and operational governance for production AI workloads.
  • Track agent performance, model latency, cost, prompt effectiveness, error rates, and quality signals.
  • Define alerting, incident response, RCA processes, and production runbooks for AI applications.
  • Troubleshoot AI agent issues across orchestration logic, integration failures, prompt/model behavior, and platform dependencies.
  • Continuously optimize reliability, accuracy, latency, and cost for production GenAI systems.
  • Build and maintain CI/CD pipelines for AI application and agent deployments.
  • Implement Infrastructure as Code using Terraform, AWS CDK, or CloudFormation.
  • Collaborate with solution architects, platform teams, security teams, and business stakeholders to deliver enterprise-grade AI solutions.
Technologies:
  • Agentic AI
  • AI
  • AI Agents
  • API
  • AWS
  • Lambda
  • OpenSearch
  • Backend
  • CI/CD
  • Cloud
  • IAM
  • Support
  • Machine Learning
  • MCP
  • Python
  • RAG
  • SAP
  • Salesforce
  • Security
  • Serverless
  • ServiceNow
  • Terraform
  • TypeScript
  • Architect
  • CloudWatch
  • DevOps
  • Docker
  • GitHub
  • GitLab
  • Incident Management
  • REST

More:

We are hiring an AWS AI Agent Engineer for a 3–4 month engagement in London. This is an outside IR35 contract at a rate of £400 per day. We are looking for someone to help design, build, deploy, and operate enterprise AI agents and multi-agent workflows on AWS, with a strong focus on observability, reliability, cost control, security, and continuous optimization in production environments.

last updated 30 week of 2026

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About Third Nexus Group Limited

Third Nexus Group Limited

Third Nexus Group Limited

London

IT

Skills & Technologies

TypeScriptPythonGoScalaRailsAWSDockerTerraformGitCI/CDRESTMachine Learning

Inferred from job description

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