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Senior Full Stack Software Engineer at Capital on Tap · Katori

We’re Capital on Tap 👋
💳 Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that.

Today we're a financial platform - not just a credit card company. We offer a best-in-class business credit card, SME-focused spend management platform, a savings product that hit £1 billion in funds within its first year, and a growing suite of tools and financial products that make running a small business easier.

1,000+ employees, £20bn in annual card spend, 200,000+ customers, 17,000+ Trustpilot reviews averaging 4.7 stars, and we're profitable. We’ve done a pretty good job so far, but we’re just getting started!

🏡🏢This is a hybrid role, our engineering teams work from our Matosinhos office Office 2 days per week.

Salary: €55,000-70,000

This is a multiple-headcount role, so please don't be put off if you've seen it advertised for a while.

What You’ll Be Doing
We’re looking for Senior Full stack Engineers to help us build the best credit card and payment products for small businesses. If you’re looking for an environment where you’re given the freedom to make empowered decisions, research new technologies, and learn/share knowledge with your peers. Then keep on reading!

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
You’ll craft slick, responsive user interfaces with modern JavaScript frameworks (React), making sure our products don’t just work, they feel great to use
Teamwork makes the dream work - you’ll partner with Product Managers, QA’s, 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

We’re Looking For 🔎
Required skills:

A minimum of 5+ years hands-on experience in C#, .Net Core, SQL Server, ideally JavaScript and React also!
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

Our Tech Stack

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

Interview Process 🤝

First stage: 30-minute intro, CV review, and values with a Talent Partner
Second stage: 45-minute “Tech Chat” with a 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

Check out our benefits:

🏥 Private Healthcare through AdvanceCare
🎁 Anniversary Rewards (€280, €570, €860, 4-week fully paid sabbatical)

🚘 Paid Car Parking

🏖️ 36 days holiday (inclusive of public holidays with public holidays carried over if they fall on a weekend)
📖 Annual Learning and Wellbeing Budget
💬 6 free therapy sessions per year
🍫 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.

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.)