Senior Software Engineer

Aveni

Senior Software Engineer at Aveni creating and scaling AI-driven solutions for financial institutions. Focused on developing cloud-native systems and modern web applications in a collaborative environment.

Posted 6/23/2026full-timeRemote • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsJavaScriptMicroservicesNode.jsReactTypeScript

About the role

Key responsibilities & impact

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.
Engineering the platforms, services, user interfaces and integrations that bring those models to life in the hands of advisers, analysts and banking teams.
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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

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.
Company-wide off-sites (yes, karaoke may happen).
Optional Personal Development Plan.
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.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Node.jsTypeScriptReactmicroservicesAPIscloud-native systemsAWSevent-driven architecturedistributed systemsclean code

Soft Skills

proactive mindsetmotivatedcollaborationcustomer-ready featuresoperational excellencetestingobservability