[Remote] Senior Software Engineer (Python)

learning as part of the day-to-day work. As a Senior Software Engineer at Aveni, you ll be responsible for building and scaling the products that sit on top of FinLLM (the UK’s first LLM for the Financial Services industry) and other LLMs, enabling financial institutions to adopt AI safely and effectively. You won t be expected to build or train the LLMs themselves, instead you ll be engineering the platforms, services, user interfaces and integrations that bring those models to life in the hands of advisers, analysts and banking teams. Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features js and TypeScript React and modern front-end tooling AWS (e.g., We also actively embrace AI coding assistants (such as Claude Code) to speed up development, improve code quality and reduce repetitive work and we encourage engineers to use these tools

effectively. Experience building production systems using Node.js / TypeScript Hands-on experience developing UIs with React Solid understanding of cloud-native engineering on AWS A commitment to clean code, testing, observability and operational excellence A proactive and motivated mindset someone who wants to build, ship and iterate quickly Interest in AI-powered products and a drive to learn Remote-first working across the UK. Work abroad policy for when you want a change of scenery. Co-working spaces available if you want an office buzz sometimes. 34 days holiday (including flexible bank holidays) and your birthday off. Flexible benefits platform: you choose the benefits that matter most to you (not the company). Protection essentials, because we know they matter - Life Insurance, Income protection, critical illness cover, Pension (up to 5% matched employer contribution and optional increased contributions). Private health- and dental care for your peace of mind. Potential share options, have a stake in what you re building. Enhanced family leave. At Aveni, we believe that diversity drives innovation. If you’re passionate about technology and its ability to drive positive change for the future of financial services, we’d love to hear from you. Apply now to join us on our mission to transform the financial services industry through AI.

Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two consecutive years and awarded Best Specialist Technology Service at the Professional Adviser Awards 2025. Backed by leading investors including Puma Private Equity, and commercially supported by Lloyds Banking Group and Nationwide Building Society, we previously completed one of Scotland s largest Series A rounds. Since then, we ve continued to grow rapidly as adoption of AI in financial services accelerates, and we re now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous