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

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

Job summary

A leading FinTech AI Product Company is seeking a Senior Software Engineer to work fully remotely from the UK. The successful candidate will be integral to shaping the product and technology, driving quality and innovation while leading projects and mentoring a small engineering team.

Benefits

Opportunity for growth within the company

Work on greenfield projects

Culture valuing creativity, innovation, and collaboration

Qualifications

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

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

Job description

Social network you want to login/join with:

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

col-narrow-left

Client:

Opus Recruitment Solutions

Location:

southampton, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Views:

6

Posted:

26.06.2025

Expiry Date:

10.08.2025

col-wide

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