Senior Software Engineer - AI-Driven FinTech Platforms (Remote)

Aveni

United Kingdom

Remote

GBP 90,000 - 140,000

Full time

14 days+

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Benefits offered by this job

Remote-first UK
Work abroad policy
Co-working spaces
34 days holiday
Company off-sites
Personal development plan
Flexible benefits
Life Insurance
Income protection
Private health care
Dental care
Share options
Enhanced family leave

Job summary

Aveni is seeking a Senior Software Engineer to build and scale the FinLLM-based products and related AI-enabled workflows for financial services. You’ll design platforms, services and front-ends that bring models to life for advisers and banking teams, working with Node.js/TypeScript, React and AWS.

This remote-first UK role collaborates with product and AI specialists to ship reliable features and unlock scalable, compliant AI-powered solutions.

Qualifications

  • Experience building production systems using Node.js / TypeScript.
  • Hands-on experience developing UIs with React.
  • Solid understanding of cloud-native engineering on AWS.
  • Experience with microservices, messaging patterns and distributed systems.
  • 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.

Responsibilities

  • Designing and implementing robust event-driven microservices and APIs.
  • Building scalable, cloud-native systems on AWS.
  • Developing modern, responsive React front-ends.
  • Integrating LLM-powered capabilities into real-world workflows.
  • Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features.

Skills

Node.js / TypeScript
React
AWS
Microservices
Distributed systems
Clean code & testing
Observability
AI interest

Tools

NestJS

Job description

Aveni is seeking a Senior Software Engineer to build and scale the FinLLM-based products and related AI-enabled workflows for financial services. You’ll design platforms, services and front-ends that bring models to life for advisers and banking teams, working with Node.js/TypeScript, React and AWS.

This remote-first UK role collaborates with product and AI specialists to ship reliable features and unlock scalable, compliant AI-powered solutions.

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