AI Application Engineer - LangGraph & Agentic AI
Key Skills
Job Description
We are looking for an experienced AI Application Engineer to design and build intelligent applications powered by LLMs, LangGraph, and modern agentic AI technologies. You will focus on transforming business requirements into AI applications capable of reasoning through tasks, retrieving information, interacting with tools and enterprise systems, requesting human approval when required, and completing business processes. This role sits at the intersection of AI engineering, software development, workflow automation, and business process transformation. Requirements Agentic AI Application Development Design and develop AI applications using LangGraph and LLM technologies Build agents capable of executing complex, multi-step business processes Design stateful workflows incorporating reasoning, tool usage, validation, approvals, and exception handling Develop single-agent and multi-agent solutions where appropriate Translate business requirements into practical agentic AI architectures LLM Application Engineering Integrate LLMs into production applications Develop prompt strategies, structured outputs, tool calling, and context-management approaches Select appropriate models based on accuracy, capability, latency, security, and cost Develop mechanisms to improve reliability and reduce hallucinations Implement appropriate guardrails around AI-generated decisions and actions RAG and Enterprise Knowledge Design and implement Retrieval-Augmented Generation (RAG) solutions Connect AI applications to enterprise documents, databases, APIs, and knowledge repositories Develop retrieval and ranking strategies to provide agents with relevant context Work with embeddings and vector databases Implement data and context pipelines supporting AI agents Business Process Automation Analyse business processes and identify opportunities for agentic automation Design AI workflows that combine LLM reasoning with deterministic business logic Build agents capable of retrieving information, making decisions, invoking tools, and completing actions Implement human-in-the-loop approval and escalation processes Ensure automated actions are controlled, auditable, and reversible where appropriate Evaluation and Quality Develop evaluation frameworks for AI applications and agent workflows Define metrics covering accuracy, task completion, reliability, latency, and cost Build automated tests for prompts, agents, tools, and end-to-end workflows Analyse failures and continuously improve agent behaviour Use observability and evaluation data to optimise production systems Production Deployment Deploy and operate AI applications in cloud and enterprise environments Implement monitoring, logging, tracing, and performance management Design resilient workflows with retries, timeouts, fallbacks, and recovery mechanisms Work with DevOps and platform teams to establish appropriate deployment and CI/CD practices Cross-Functional Collaboration Work closely with product managers, business analysts, software engineers, data scientists, architects, and business stakeholders Communicate AI capabilities, limitations, risks, and implementation options Help organisations identify realistic and valuable use cases for agentic AI Required Experience Commercial experience developing AI/LLM applications Hands-on experience with LangGraph and agentic workflow development Strong Python development experience Experience deploying AI applications into production Strong understanding of LLMs, RAG, tool calling, structured outputs, and prompt engineering Experience integrating AI applications with APIs, databases, enterprise systems, or SaaS platforms Experience with cloud platforms such as AWS, Azure, or GCP Experience with AI evaluation, monitoring, and observability Desirable Skills LangChain / LangSmith Multi-agent systems AI workflow orchestration Vector databases Kubernetes Docker FastAPI Data pipelines MLOps AI security and governance Enterprise process automation Experience with financial services, healthcare, retail, manufacturing, or other complex enterprise environments
Core Responsibilities
Design and build intelligent AI applications using LangGraph and LLMs to automate complex business processes. Focus on creating stateful workflows that integrate reasoning, tool usage, and human-in-the-loop approvals.
Requirements
Requires commercial experience in AI/LLM application development with strong Python skills and hands-on expertise in LangGraph. Candidates should be proficient in RAG, tool calling, and deploying AI solutions into production cloud environments.
About Belmont Lavan
Industry: IT System Custom Software Development
Company size: 2-10 employees
We are a bespoke consultancy specialising in System Integration and Solution-building services for businesses looking to establish or scale their capabilities in EAM, ERP, CRM, AI, and IoT. Our mission is to help organisations to streamline their operations, build successful technology practices, and navigate complex compliance landscapes. Do you have the systems in place to effectively grow and manage your key practice areas? Are you leveraging the latest digital tools and strategies to drive business growth? If the answer to these questions is no, or you’ve never considered them, you’re likely missing out on opportunities to strengthen your business operations and achieve your goals. BENEFITS for Our Clients: - Access to top expertise: Our proven methods give you direct access to the best strategies for building and optimising EAM, ERP, CRM, AI, and IoT solutions across Europe. - Save Time: By limiting our client engagements and capping our annual workload, we ensure your project receives focused attention, delivering impactful results quickly. - Accelerate your projects: With numerous examples of solution-building implemented within weeks of our initial strategy call, we’ve helped clients accelerate project timelines, protect revenue, and enhance their competitive edge. - Reduce costs: Our end-to-end consultancy services align your solution-building efforts with industry best practices, driving higher efficiency and reducing operational costs. Why Work With Us: With our industry-leading expertise, you’ll receive clear, actionable guidance to build and optimise your technology. We provide ongoing support to ensure your business stays agile and competitive. Whether you’re looking to launch a new software or optimise an existing one, we provide the expertise and insights to help you succeed. Our continuous support means you stay informed of industry trends and can make agile, informed decisions.