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Capital on Tap

Backend Software Engineer

Posted 5 Days Ago
Be an Early Applicant
London, Greater London, England
Mid level
London, Greater London, England
Mid level
As a Backend Software Engineer, you will drive the development of robust and scalable backend solutions using .Net technology, manage the software development lifecycle, produce unit and integration tests, and collaborate with various teams to align technical objectives with business goals.
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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 (Shoreditch) Offices 1-2  days per week

Engineering - Internal and Core Systems
We’re looking for a Backend Software Engineer to join our Internal and Core Systems (ICS) team to help us build the best credit card and payment products for small businesses. 

Internal & Core Systems (ICS) drives the internal tools for customer account management and the core financial operations essential to Capital on Tap’s success. We are seeking skilled backend developers to tackle the challenges of improving, refactoring, and maintaining complex, often legacy processes. Join us as we transform some of the most critical components of our systems, where your attention to detail and technical expertise will make a meaningful impact.

What You’ll Be Doing

  • You’ll build robust and scalable solutions using .Net technology
  • From the first line of code to production, monitoring, and continuous improvement - you’ll own the SDLC
  • Teamwork makes the dream work - you’ll partner with Product Managers, QA’s, Site Reliability/Platform Engineers and fellow Software Engineers
  • You’ll build bulletproof unit and integration tests to keep our software sharp and our users happy
  • Bugs happen. When they do, you’ll be ready to troubleshoot and tweak as needed
  • You’ll bridge the gap between tech speak and business goals, ensuring everyone’s on the same page and moving forward together


Our Tech Stack

  • Backend: C#, .Net, .Net Core
  • Frontend: React, JavaScript
  • Mobile: Flutter, Dart
  • Databases: SQL Server, MongoDB
  • Cloud: Azure & GCP

We’re Looking For

  • 3+ years hands-on experience in C#, .Net Core, SQL Server
  • Good testing practices, in both Unit and Integration testing
  • Good understanding of database technologies
  • Experience in using Agile development practices
  • A passion for learning new skills and technologies
  • A proactive, supportive, and collaborative team player

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.

Interview Process 🤝

  1. First stage: 30-minute intro, CV review, and values with Talent Partner
  2. Second stage: 45-minute “Tech Chat” with Team Manager
  3. Final stage: 90-minute Code Pairing + 30-minute Values Interview


Other Info

👍Check out our ‘Top Tips’ for interviewing.
✔️Keep updated on new job opportunities by following us on Linkedin.
📧Email [email protected] if you have any questions.

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.)

Top Skills

C#

Capital on Tap London, England Office

7th Floor, The Tea Bldg, 56 Shoreditch High St, London, United Kingdom, E1 6JJ

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