Senior Software Engineer, Python

🔥 29 minutes ago

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 15%

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Aveni

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2018

🤖 Artificial Intelligence

💳 Fintech

📋 Compliance

🔥 Funding within the last year

💰 Series B on 2026-06

Artificial Intelligence • Fintech • Compliance

Aveni is an AI-first software platform that provides specialist tools for UK financial services, focused on adviser productivity and compliance assurance. Its product suites (Wealth and Compliance) include Assist and File Check for meeting capture, suitability drafting and automated file reviews, and Detect, Approve and Assure for pre-deployment testing, real-time oversight and 100% automated review of regulated customer interactions. Aveni runs its own FinLLM models trained on UK financial services and combines them with a compliance layer and audit trails so banks, wealth managers and advice firms can scale risk detection, regulatory evidence and governance while integrating into existing workflows. The company emphasizes explainability, regulatory alignment (FCA/Consumer Duty), and enterprise deployment controls.

📋 Description

• Design and implement scalable Python services powering AI-driven workflows • Develop resilient, observable systems with strong error handling and compliance traceability • Work within a serverless, event-driven AWS architecture • Take ownership of features from design through to production • Collaborate with Product, AI Platform, and Compliance teams • Contribute to sprint planning, estimation, and delivery • Build intelligent workflows using LLMs and agentic architectures • Integrate AI models into production systems • Design guardrails, policy enforcement, and behavioural monitoring for AI agents • Support and guide junior and mid-level engineers • Lead code reviews and promote engineering best practices • Contribute to documentation, demos, and knowledge sharing • Use AI coding tools to accelerate development and improve quality • Help define best practices for AI-assisted software engineering • Drive architectural decisions across multiple teams • Own complex, cross-cutting AI systems • Shape Aveni’s long-term AI platform strategy

🎯 Requirements

• Strong Python expertise in production environments • Experience building cloud-native systems on AWS, including Lambda, DynamoDB, S3, and EventBridge • Experience working with LLMs or AI/ML systems • Strong understanding of APIs, async systems, and scalable architecture • Experience with AI safety, guardrails, or policy enforcement • Background in agentic systems or autonomous workflows • Experience in financial services or regulated environments • Familiarity with Node.js / TypeScript, Terraform or CDK • Knowledge of observability tools and ML fundamentals • Pragmatic approach balancing speed with long-term quality • Curiosity about AI, especially safety and responsible usage • Comfort working in a fast-moving scale-up environment • Strong communication skills, including explaining complex ideas clearly • Passion for mentoring and raising team standards

🏖️ Benefits

• Remote-first working across the UK • Work abroad policy • Co-working spaces available • 34 days holiday (including flexible bank holidays) and your birthday off • Company-wide off-sites • Optional Personal Development Plan • Flexible benefits platform • Life Insurance • Income Protection • Critical Illness cover • Pension with up to 5% matched employer contribution and optional increased contributions • Private health and dental care • Potential share options • Enhanced family leave

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