Full Stack Software Engineer

Capital on Tap is a financial platform that offers a best‑in‑class business credit card, spend management tools, a savings product that quickly attracted £1 billion in funding, and a suite of tools that simplify small‑business operations. The company has over 1,000 employees and serves more than 200,000 customers, generating £20 bn in annual card spend.

Hybrid role . Engineers work from our Matosinhos office two days per week. Salary: €40,000–55,000. This is a multi‑headcount opening, so if you see it advertised for a while, don’t be discouraged.

What You’ll Be Doing

Full‑stack engineers build the credit‑card and payment products that power our platform. You’ll own the software lifecycle, from the first line of code through production, monitoring, and continuous improvement. You’ll create responsive, user‑friendly interfaces with React and ensure the product feels great to use. You’ll collaborate with Product Managers, QA, and fellow engineers, write unit and integration tests, troubleshoot bugs, and translate technical work into business outcomes.

We’re Looking For

• A minimum of 3 years of experience in C#, .Net Core, SQL Server. Experience with JavaScript and React is preferred.
• Strong unit and integration testing practices.
• Solid understanding of database technologies.
• Experience with Agile development practices.
• Passion for learning new skills and technologies.
• 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 with a Talent Partner.
• Second stage: 45‑minute technical chat with a Team Manager.
• Final stage: 90‑minute code pairing session and 30‑minute values interview.

Diversity & Inclusion

We welcome and encourage applications from anyone committed to inclusivity. We strive to create a space where authenticity thrives.

Great Work Deserves Great Perks

• Private healthcare through AdvanceCare.
• Anniversary rewards (€280, €570, €860, and a four‑week fully paid sabbatical).
• Paid car parking.
• 36 days holiday, inclusive of public holidays, with carry‑over if they fall on a weekend.
• Annual learning and wellbeing budget.
• Six free therapy sessions per year.
• Free drinks and snacks in our offices.

Contact: