Vallum Associates
This is a contract AI Agent Developer position at Vallum Associates, based in GB.
Role Summary
We’re hiring an AI Agent Developer to own the technical delivery of an enterprise AI agent / AI-native engineering platform that supports task automation for our Finance Operation business users. You’ll combine architectural design with hands-on, full-stack engineering, writing production code to build secure, scalable services and user experiences that developers and business users will adopt.
You’ll integrate large language models (LLMs), AI agents and knowledge augmentation into the solution design, from requirements and design through coding, testing and environment orchestration. You’ll apply modern full-stack engineering practices: microservices, micro frontends, continuous integration and continuous delivery (CI/CD), integrated development, security and operations (DevSecOps), observability and cloud-native delivery.
Required Experience
8+ years in backend/platform engineering, architecture, or similar enterprise-scale delivery roles.
Experience working in a commercial environment over the past three years, delivering AI solutions into production.
System thinking: Strong ability to design and evolve complex systems with a focus on resilience, scalability, high availability, maintainability, and performance.
Proficiency in Python and React, supported by strong coding fundamentals, architectural judgement and hands-on experience delivering complex systems; Java proficiency may also be required.
Strong hands-on skills in Microservice development, Kubernetes, CI/CD and quality automation
AI/Agent Architecture Expertise
task decomposition, planning, tool use/function calling
context management and memory design
execution loops, failure handling, and safety guardrails
Hands-on experience with LangChain and/or LangGraph (or equivalent orchestration frameworks).
Familiarity with AI developer tools such as Claude Code, Codex, Cursor, Copilot.
Full Engineering on Cloud
Micro service design and development for resilient and reliable system with excellent skillset on database, message broker and CI/CD toolkits
Cloud-native engineering experience (e.g., Google Cloud) and platform mindset.
Certifications are a plus (e.g., GCP, architecture/programming certs).
Knowledge/certification in Kubernetes, and ecosystem tools such as Message Broker e.g. GCP pub/sub, Spring Gateway (or equivalents) is a plus.
Experience contributing to engineering communities is a plus.
What Success Looks Like
A secure, scalable AI agent platform running reliably in production with clear adoption across teams.
Measurable engineering impact (delivery speed, quality, stability) backed by strong telemetry and feedback loops.
Well-governed knowledge augmentation (RAG/GraphRAG/knowledge graphs) that improves accuracy and trust.
Efficient, end-to-end delivery of production-ready solutions through hands-on full-stack engineering.
A team culture that ships quickly, learns continuously, and operates with blameless accountability
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