Lead Software Engineer London

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.

This is a Hybrid role, the Engineering team work from our London (Shoreditch) Offices 2-3 days per week.

What You’ll Be Doing

As a Lead Software Engineer, you’ll play a key role in driving technical excellence across multiple teams while remaining hands-on in software development. You’ll lead high-impact projects from concept to delivery, shape architecture, and align technical direction with business strategy. Working closely with Tech Leads, Product Managers and the wider Engineering Group, you’ll set the standard for quality, mentor engineers across teams and champion initiatives that raise the engineering bar including the adoption of AI tools and automation.

• Provide mentorship, constructive feedback and foster a culture of collaboration and continuous improvement
• Motivate the team, remove blockers, and track performance to ensure accountability
• Work closely with Product, QA, and Tech Leads to align on strategy and execution
• Shape product decisions alongside Product Managers and Designers
• Ensure clear, open communication in remote, hybrid, and in-person settings
• Establish and uphold coding standards and best practices
• Identify and mitigate risks, addressing challenges proactively
• Stay hands-on in software development, guiding engineers at a technical level
• Work with Tech Leads to ensure alignment on technical direction and innovation
• Proven experience managing and developing software engineers
• Extensive commercial experience with C# / .Net / .Net Core / React
• Experience with RESTful API design and Azure cloud development (cloud-first approach)
• Proficient in SQL and Test-Driven Development (TDD)
• Strong technical background in modern software development practices and scalable system architecture
• Ability to manage cross-functional projects, collaborating effectively with Product, QA, and other stakeholders

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

Check out more of our benefits, values and mission here .

Excited to work here? Apply!

If you’d like to progress your career within our fast growing, profitable fintech then click apply and we will aim to get back to you within 3 working days (during busy periods this could take up to 5 working days.)

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At Capital on Tap we are fully focused on equality and believe deeply in diversity of race, gender, sexual orientation, religion, ethnicity, ability, national origin and all the other characteristics that make us who we are. We want to be a place where a diverse mix of talented people want to come and do their best work and most importantly feel included and that they can be their authentic selves.

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