Senior Software Engineer - AI Product Company - FULLY REMOTE IN UK - £125k - TypeScript/ Python[...]

JR United Kingdom; Cardiff; Remote; GBP 125,000; Full time

Job summary

A FinTech AI Product Company is seeking a Senior Software Engineer to join their fully remote team in the UK. This role involves defining architecture, leading projects, and driving engineering excellence. The ideal candidate will have strong experience in TypeScript, Python, and a passion for innovative technology. Join a dynamic startup that values creativity and collaboration.

Benefits

Opportunity to grow within the company

Work on challenging greenfield projects

Culture that values creativity and innovation

Qualifications

• Deep experience with TypeScript, React, and Python.
• Proven ability to lead projects in fast-paced environments.
• Experience in FinTech or AI is a huge plus.

Responsibilities

• Defining architecture and making key technical decisions.
• Leading on project delivery and mentoring other engineers.
• Building greenfield features that solve real-world problems.

Skills

TypeScript

Python

React

AWS

PostgreSQL

AI

FinTech

Job description

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Senior Software Engineer - AI Product Company - FULLY REMOTE IN UK - £125k - TypeScript/ Python/ React/ AWS/ GenAI, cardiff

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Client:

Opus Recruitment Solutions

Location:

cardiff, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

6

Posted:

26.06.2025

Expiry Date:

10.08.2025

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Job Description:

I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team!

This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence, innovation, and building something that genuinely helps users.

They’re solving complex problems in the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it.

You’ll work closely with the CTO and be deeply involved in:

• Defining architecture and making key technical decisions
• Leading on project delivery and mentoring other engineers
• Building greenfield features that solve real-world problems
• Driving quality and innovation across the engineering team

What They’re Looking For:

• Deep experience with TypeScript, React, Python, AWS, PostgreSQL, and an interest in AI (GenAI a plus!)
• Bonus points for experience with other backend languages like Go, Elixir, Clojure, Ruby, C++, Haskell, Scala, etc - Even more for code examples!
• Proven ability to lead projects (and teams) in fast-paced, innovative environments
• Strong decision-making skills and a passion for building great software
• Experience in FinTech or AI is a HUGE plus

The Culture:

• They live and breathe technology and engineering excellence
• Agile, innovative, and always pushing boundaries
• Remote-first — always have been, always will be
• Supportive, collaborative, and passionate about building something meaningful
• Join a small team of 6 with big plans for growth this year

What’s on Offer:

• Real opportunity to grow within the company
• Work on greenfield projects that will challenge and inspire you
• A culture that values creativity, innovation, and collaboration