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# Senior Software Engineer

- **Company:** Aveni
- **Location:** Bolton, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Amazon S3, Cloud Computing, Code Review, Amazon DynamoDB, Python (Programming Language), Scrum Methodology, Software Safety, Software Engineering, TypeScript, Large Language Models, Grafana, Servicebus, AI Platforms, Machine Learning Operations, Functional Programming, Terraform, Serverless Computing
- **Published:** June 6, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/38360387/

## About the Role

Must HaveStrong Python expertise in production environmentsExperience building cloud-native systems on AWS (Lambda, DynamoDB, S3, EventBridge)Experience working with LLMs or AI/ML systemsStrong understanding of APIs, async systems, and scalable architecture
Nice to HaveExperience with AI safety, guardrails, or policy enforcementBackground in agentic systems or autonomous workflowsExperience in financial services or regulated environmentsFamiliarity with Node.js / TypeScript, Terraform or CDKKnowledge of observability tools and ML fundamentals
You'll Thrive If You ArePragmatic and able to balance speed with long-term qualityCurious about AI, especially safety and responsible usageComfortable working in a fast-moving scale-up environmentA strong communicator who can explain complex ideas clearlyPassionate about mentoring and raising team standards

## Description

Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high-impact role building foundational technology that underpins Aveni's AI-first strategy.
Your work will focus on:
You'll work on systems that govern how AI agents behave in regulated financial contexts, designing and implementing policy enforcement, safety controls, behavioural monitoring, and evaluation frameworks. This work sits at the intersection of platform engineering, AI/ML systems, and compliance-by-design architecture. You'll be joining at a pivotal moment as Aveni scales from startup to enterprise-grade AI FinTech, working on problems that matter: making AI safe, auditable, and trustworthy in high-stakes financial environments.
What You'll Be Doing
Build Production-Grade SystemsDesign and implement scalable Python services powering AI-driven workflowsDevelop resilient, observable systems with strong error handling and compliance traceabilityWork within a serverless, event-driven AWS architecture
Own Delivery End-to-EndTake ownership of features from design through to productionCollaborate with Product, AI Platform, and Compliance teamsContribute to sprint planning, estimation, and delivery
Shape AI & Agentic SystemsBuild intelligent workflows using LLMs and agentic architecturesIntegrate AI models into production systemsDesign guardrails, policy enforcement, and behavioural monitoring for AI agents
Mentor & Elevate the TeamSupport and guide junior and mid-level engineersLead code reviews and promote engineering best practicesContribute to documentation, demos, and knowledge sharing
Drive AI-Augmented EngineeringUse AI coding tools to accelerate development and improve qualityHelp define best practices for AI-assisted software engineering


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