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Senior Software Engineer - Portal

Posted: 23 Jan 2022 Closes: 22 Feb 2022
London, England Competitive
Permanent & Full-time 434123650

We're is one of the most exciting and valuable fintechs in the world, with our Series D taking our valuation to $40 billion. Our mission is to enable businesses and their communities to thrive in the digital economy. We're the strategic payments partner for some of the best known fast-moving brands globally such as Wise, Hut Group, Sony Electronics, Homebase, Henkel, Binance, Klarna and many others. Purpose-built with performance and scalability in mind, our flexible cloud-based payments platform helps global enterprises launch new products and create experiences customers love. And it's not just what we build that makes us different. It's how.

We empower passionate problem-solvers to collaborate, innovate and do their best work. That's why we're number 9 on the Forbes Cloud 100 list and on Glassdoor's list of Top 10 fintechs to work for. And we're just getting started. We're building diverse and inclusive teams around the world - because that's how we create even better experiences for our merchants and our partners. And we need your help. So, join us to build tomorrow, today.

The Dashboard is 's Merchant facing website. It's the place where Merchants come to understand how their payments are performing, see what they need to take action on, deal with problems, see reports, and change settings. It's, therefore, a key part of a Merchant's perception of . The Dashboard matters. It must be beautiful, fast, and pleasing to use, and so this product blends user experience and uses the right technologies to make everything adaptable and reliable.

As a Senior Engineer at , you'll be working closely with the product and engineering leadership, raising the quality bar of our cloud-based product suite.

What You Will Be Doing:
    • Collaborate with our multidisciplinary team to deliver key functionalities
    • Design, develop, and deliver new features on our foreign exchange and payouts services
    • Assist in requirements identification and in producing specifications
    • Build and maintain a development environment for efficient testing and integration
    • Assist QA to define acceptance tests to be automated
    • Support the creation and maintenance of technical documentation
    • Participate in team knowledge management and make recommendations for continuous improvement of SDLC
    • Contribute to our API coding standards, best practices, and procedures

About You:
    • Proven experience in designing and leading large, scalable, high throughput, or highly available systems
    • Exposure to Cloud-based application development (we use AWS), particularly around serverless services
    • Strong experience using the Microsoft stack, specifically .NET Core or Framework
    • Solid understanding of NoSQL database scaling and data modeling
    • Elasticsearch experience is a plus
    • Strong understanding and appreciation for software design and architecture
    • Enthusiastic about delivery and experience working in a fast-paced agile environment
    • Desire to work on an exciting product suite, within a fast scaling technical business
    • Excellent practical knowledge of OOP concepts and SOLID principles
    • Proven understanding of HTTP and RESTful design
    • Experience with SQL and NoSQL
    • Experience with Unit and Integration testing
    • Experience with Continuous Integration and Deployment workflows - TeamCity and Octopus
    • Experience in Software Development, Design, and Architecture
    • Excellent communication skills, ability to interact effectively with multidisciplinary teams

What we stand for

At, everything starts with our values, including the experience we offer our people.


We supercharge your professional growth with career development programs and leadership training. You can learn your way, with tailored pathways and online platforms. And be inspired at relevant conferences.


We don't stop at 'good' here. We strive for excellence amongst our teams every day and recognize colleagues who take it to the next level through our quarterly peer-nominated Hero awards.


We're proud of our global connections and inclusive environment. So we champion this through our colleague-led community groups and celebrate many cultural events together.

Want to see us in action?


More about

Our technology makes payments seamless. We provide the fastest, most reliable payments in more than 150 currencies, with in-country acquiring, world-class fraud filters and reporting, through one API. And we can accept all major international credit and debit cards, as well as popular alternative and local payment methods. launched in 2012, and we now have a team of 1800 people across 19 international offices. To date, we've raised a total of $1.8 billion, with our Series D valuing us at $40 billion.

We believe in equal opportunities is an equal opportunities employer. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion, or belief. We make recruiting decisions based on your experience, skills and personality. We believe that employing a diverse workforce is the right thing to do and is central to our success.
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