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.