Software Engineer (AI)
Company: Capital on Tap
Location: London, United Kingdom
Type: Permanent
Posted on: 2025-10-05
Job ID: 23275748
Employment Type: Full time
Salary: Competitive
We're Capital on Tap. Capital on Tap was founded with the mission to help small business owners and make their lives easier. Today, we provide an all-in-one business credit card & spend management platform that helps business owners save time and money. Capital on Tap proudly serves over 200,000 businesses across the world and our goal is to help 1 million small businesses by 2030.
Why Join Us?
We empower you to be innovative and solve complex problems. Take ownership, make an impact, and thrive in our scaling and agile environment. Check out the development opportunities in the Software Engineering team.
This is a Hybrid role, the Software Engineering Team works from our London Office (Moorgate) 2 days per week.
AI Engineering at Capital on Tap
We're building a small team of 3 AI-specialist software engineers who embed directly within product teams to deliver intelligent features. Rather than operating as a separate unit, you'll work alongside existing teams as an internal consultant, helping them deliver AI-powered capabilities whilst building their skills through hands-on collaboration and structured training. A core part of the role is upskilling the wider Engineering department through workshops, documentation, and knowledge transfer.
What You'll Be Doing
* You'll partner with product teams to build and deliver AI features, working embedded within their squad structure.
* Your role is to enable teams to successfully deliver AI capabilities while upskilling them to own the features long-term.
* Embed within product teams to co-deliver AI-powered features like chatbots, OCR tools, and transaction enrichment systems.
* Write production code alongside the team, ensuring they understand the architecture and can maintain it post-launch.
* Run workshops and training sessions to build AI competency across the Engineering department.
* Establish best practices for testing and evaluating non-deterministic AI systems.
* Create documentation, patterns, and example code for common AI implementation scenarios.
* Help teams identify where AI could add value to their product roadmap.
* Act as the quality owner for AI delivery across the company.
We're Looking For
Required skills:
* 4+ years hands-on experience in C#, .NET Core.
* Proven experience building agents and automation powered by AI.
* Experience integrating with LLMs or other AI technologies.
* Good testing practices, in both Unit and Integration testing.
* Experience in using Agile development practices.
* A passion for learning and teaching new skills and technologies.
* A proactive, supportive, and collaborative team player.
Interview Process
* First stage: 30-minute intro, CV review, and values with Talent Partner.
* Second stage: 45-minute "Tech Chat" with Team Manager.
* Final stage: 90-minute Code Pairing + 30-minute Values Interview.
Diversity & Inclusion
We welcome, consider and encourage applications from anyone who shares our commitment to inclusivity. Join us in creating a space where authenticity thrives, and everyone can do their best work.
Great Work Deserves Great Perks
We try not to take ourselves too seriously (all the time) so we make sure our office is decked out with a pool table, arcade machine, beer tap, and a couple of office dogs thrown in for good measure. Check out our benefits:
* Private Healthcare including dental and opticians services through Vitality.
* Worldwide travel insurance through Vitality.
* Anniversary Rewards (£250, £500, £750, 4-week fully paid sabbatical).
* Salary Sacrifice Pension Scheme up to 7% match.
* 28 days holiday (plus bank holidays).
* Annual Learning and Wellbeing Budget.
* Enhanced Parental Leave.
* Cycle to Work Scheme.
* Season Ticket Loan.
* 6 free therapy sessions per year.
* Dog Friendly Offices.
* Free drinks and snacks in our offices.
Other Info
Check out our 'Top Tips' for interviewing. Keep updated on new job opportunities by following us on Linkedin. Email careers@capitalontap.com if you have any questions.
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