Senior Software Engineer .NET

Reposted 10 Days Ago
Be an Early Applicant
London, Greater London, England
In-Office
Mid level
Fintech • Payments • Financial Services
The Role
As a Software Engineer, you will design and maintain scalable backend services and APIs using .NET, collaborating with teams to produce data-driven insights for merchants.
Summary Generated by Built In

We’re reinventing payments.
In less than four years, Dojo disrupted the market to become the largest and most loved acquirer in the UK. Our payments infrastructure, purpose-built for in-person commerce, is game changing.

Now, over 150,000 customers across four countries choose to transact billions with us every year.
But we’re just getting started.

Our people are the driving force behind our success. They are our greatest investment and our ultimate competitive advantage. We hire exceptional people and give them the autonomy, trust, and ownership to thrive. The results take care of themselves.

 

The Role...

As a Senior Software Engineer in the Data Products team, you will play a key role in shaping how we transform Dojo’s payments data into valuable insights for our merchants. You’ll contribute to building scalable data products and APIs that enable small businesses to understand their performance, benchmark against peers, and unlock new opportunities for growth.

You will actively participate in Agile ceremonies such as daily stand-ups, sprint planning, and retrospectives, collaborating closely with product managers, analysts, and engineers across the business. Our team is at the heart of Dojo’s mission to help merchants thrive by providing intelligent, data-driven insights through accessible and impactful products.

This is a unique opportunity to work on greenfield initiatives, designing systems that scale with millions of transactions while using modern technologies and best practices.
 
What you will do...
 
  • Design, develop, and maintain scalable backend services and APIs using .NET.
  • Build and optimise data models (SQL/NoSQL) to process and serve high-volume payments data.
  • Work closely with product managers and data analysts to turn raw data into actionable insights.
  • Implement reliable data pipelines and integrations that ensure merchants receive accurate, timely, and meaningful analytics.
  • Write clean, maintainable, and well-documented code with a strong focus on testing and observability.
  • Collaborate with other engineers through code reviews, technical discussions, and knowledge-sharing sessions.
  • Contribute to architectural decisions to ensure our systems are scalable, secure, and future-proof.
What you will bring...
 
  • Solid experience with .NET for building APIs and backend services.
  • Strong understanding of data modelling and performance tuning (SQL/NoSQL, ideally MongoDB).
  • Knowledge of data pipelines, event-driven systems, or batch processing.
  • Familiarity with best practices in software development (CI/CD, automated testing, version control).
  • Good communication skills and the ability to collaborate in cross-functional teams.
  • Passion for solving problems with data and building products that help customers grow.
Nice to have...
 
  • Experience with frontend frameworks like React (or willingness to learn).
  • Exposure to cloud platforms (e.g. Google Cloud Platform, AWS, or Azure).
  • Familiarity with Kafka, gRPC, or other streaming/event-driven architectures.
  • Knowledge of data analytics tools or business intelligence platforms.
  • Experience with Infrastructure as Code (Terraform, Pulumi).
  • Exposure to machine learning workflows or building highly efficient, scalable data processing pipelines.

Dojo home and away

We believe our best work happens when we collaborate in-person. These “together days” foster communication, drive innovation and spark our brightest ideas.

That's why we have an office-first culture. This means working from the office 4+ days per week.

With offices across Europe, we know a thing or two about staying dynamic. Need deep focus? Head to a quiet zone. Big ideas? Collaboration spaces have you covered. Just here for a catch-up? Our social hubs make it easy. Do work that counts, in spaces made for you.


Question: what’s curious, relentless, and customer obsessed?

If you’re keen to know the answer, you’re a third of the way to meeting our Dojo values.

If the following speak to you, let’s talk:

  • You’re curious. You have a real desire to learn and create.
  • You’re relentless. You keep going even when it’s easier not to. 
  • You’re customer-obsessed. You know how important customers are to what you do. 

 

Diversity, equity, and inclusion at Dojo

From local bakeries to well-known eateries, Dojo payments serve over 150,000 places across the UK. 

And something that’s fundamental to creating relevant, innovative products at Dojo is to build teams to reflect the diversity of the businesses we serve.

Our drive to improve diversity, equity, and inclusion is closely linked to helping employees thrive and innovating for better customer experiences.

If you care about your work, you’re curious, and you think customer-first, you have a place at Dojo.

To make sure you’re the best you can be throughout the recruitment process, let us know if you need any extra adjustments to help you thrive. 

 

Visit dojo.careers to find out more about our benefits and what it’s like to work at Dojo, or check out our LinkedIn and Instagram pages. 

#LI-Hybrid

Top Skills

.Net
Automated Testing
Ci/Cd
MongoDB
NoSQL
SQL
Version Control
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The Company
HQ: London
1,449 Employees
Year Founded: 2019

What We Do

Since launching in 2019 to address business owners’ pain points across the UK, we’ve seen incredible growth as a scaling fintech, welcoming over 150,000 customers and growing the Dojo team to 1,000+ people across five locations. In that time, we’ve also introduced Dojo Virtual Queues & Bookings and the Dojo restaurant finder app, formerly known as WalkUp and loved by 1,000 restaurants and 750,000 diners. Today, we work towards our mission to empower businesses to thrive in the Experience Economy by creating the tools and technology that turn transactions into meaningful relationships. For our business customers, that means fast funding, the fastest payments, smart integrations, and efficient virtual queues & bookings - all with instant insight across the board. For diners, that means getting seated at their favourite restaurants in just a couple of taps on the Dojo app. Whether it’s for busy business owners or hungry diners, every Dojo product is built to address real customer pain points by our dedicated teams in London, Bristol, Hull and Belfast

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