Senior AI Platform Engineer – Safe & Scalable FinTech

Aveni; United Kingdom; On-site; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Remote-first across the UK

34 days holiday (including flexible PH

Co‑working spaces available

Private health and dental care

Potential share options

Enhanced family leave

Job summary

Aveni is recruiting a Senior Software Engineer to build production-grade AI-enabled workflows for UK financial services. You’ll design, implement, and scale policy-enforcement, safety controls, and agentic systems with a focus on reliability and compliance.

Join a remote-first UK team, collaborate with AI Platform, Product, and Compliance, and help shape the future of AI-enabled financial services while growing into leadership roles.

Qualifications

• Strong Python expertise in production environments.
• Experience building cloud-native systems on AWS (Lambda, DynamoDB, S3, EventBridge).
• Experience working with LLMs or AI/ML systems.
• Strong understanding of APIs, async systems, and scalable architecture.

Responsibilities

• Build Production-Grade Systems: Design and implement scalable Python services powering AI-driven workflows.
• Own Delivery End-to-End: Take ownership of features from design through to production and collaborate with teams.
• Shape AI & Agentic Systems: Build intelligent workflows using LLMs and agentic architectures; integrate AI models.
• Mentor & Elevate the Team: Support and guide junior engineers; lead code reviews and promote best practices.
• Drive AI-Augmented Engineering: Use AI coding tools to accelerate development and improve quality.

Skills

Python production

AWS serverless

LLMs / AI

APIs / async / scalable

Tools

Node.js / TypeScript

Terraform or CDK

Job description

Aveni is recruiting a Senior Software Engineer to build production-grade AI-enabled workflows for UK financial services. You’ll design, implement, and scale policy-enforcement, safety controls, and agentic systems with a focus on reliability and compliance.

Join a remote-first UK team, collaborate with AI Platform, Product, and Compliance, and help shape the future of AI-enabled financial services while growing into leadership roles.