Senior Software Engineer

At Kroo Bank, we’re building the future of banking with modern technology and a culture that values innovation, collaboration, and impact. Unlike traditional banks or outsourcing firms, our engineers shape real products used by thousands of customers every day in the UK.

Why join us?

• Be part of a new generation UK bank. Kroo was awarded a full UK banking licence in 2022, making us one of only a handful of fintechs to achieve this milestone.
• We’re one of the fastest-growing banks in the UK, reaching £1 billion in deposits faster than any of our peers, with 200,000+ customer accounts and growing every day.
• Work with a modern stack: Clojure, React Native, Kafka, AWS, Docker, Terraform.
• Practise or learn functional programming (we’ll support you even if you’re new to it).
• Be part of a cross-functional squad where engineers, designers, testers and product managers collaborate as equals.
• Permanent employment contract, 100% remote, with flexible hours and a healthy work-life balance.
• Competitive salary and stock options, so you share in the success of the company.
• Join a young, dynamic, and mission-driven organisation where your work directly shapes how people bank in the UK.
  

What you’ll do

• Build and deliver new features end-to-end, from idea to production, in a modern CI/CD environment.
• Work across the stack including backend microservices (Clojure, Kafka, AWS, Postgres) to frontend (React Native, React, NextJs). We offer opportunities to specialise or grow as a full-stack engineer.
• Collaborate daily with product, design, and engineering colleagues to ship customer-facing features in an agile environment based on Kanban and XP practises such as pair programming and test driven development.  
• Write clean, maintainable, and testable code, and participate in code reviews.
• Contribute to system design discussions and bring ideas to improve scalability and resilience.
• Keep learning, diving deeper into banking products, functional programming, mobile frameworks, or cloud infrastructure.
• Optionally, contribute back to open source and share knowledge with the wider engineering community.

• Professional experience in backend, web or mobile development
• Interest in learning Clojure and functional programming.
• Familiarity with cloud environments (AWS preferred).
• Familiarity with IaC (Terraform/CDK/Pulumi)
• Good communication skills in English and ability to work effectively in a distributed Agile team.
• A collaborative mindset and passion for building high-quality products

Desirable

• Expertise in one of
• any JVM language (Clojure, Java, Kotlin, Scala)
• JavaScript/TypeScript, including; React, React Native, Redux, React Query, NextJs, web accessibility, Storybook. 
• Experience working in banking, fintech, or other highly regulated industries — understanding payments, compliance, or financial products is a plus.

About Our Process

We understand that competency is contextual, so throughout the process, we aim to gain an understanding of your experience and, if successful, to provide you with a role reflective of your demonstrated seniority. Our general interview process is as follows, but if your circumstances or timescales require, we can be flexible with its structure:

• 30-minute meet and greet with our Talent Acquisition Specialist via Google Hangouts
• 1-hour live coding exercise to work through a coding challenge with members of our development team via Google Hangouts
• 1-hour system design. This is an opportunity to showcase a system you’ve worked on in the past via Google Hangouts
• 30-minute opportunity to meet with our CPTO and executives via Google Hangouts

Please let us know if you have any specific requirements or need assistance so we can be as accommodating as possible for you.

At our cutting-edge fintech company, we know that attracting and retaining the best talent means offering top-notch benefits that help our employees thrive both in and outside of work. Check out what we currently offer:

• 21 days of annual leave
• Paid National Holidays
• 1 Kroo bank holiday (June 24th), and 1 day off during the week of your birthday.
• Personal days: We know that life can be unpredictable, so we offer 3 personal days to use as needed.
• Mental health support: We care about the mental health of our team members and offer access to Spill, our mental health support partner.
• Top-notch equipment: We provide top-of-the-line equipment necessary for smooth hybrid work, including a MacBook laptop. 
• Room for growth: As a fast-paced, high-growth start-up, we're dedicated to providing our employees with room to grow and excel.

Diversity and Inclusion:

We wholeheartedly uphold our commitment to fostering a diverse and inclusive workplace. Every employee is highly regarded, respected, and supported without any form of judgement or prejudice. We consider Diversity, Equality, and Inclusion as fundamental pillars guiding our path in all aspects of our bank. We also ensure that reasonable adjustments are made available to all candidates throughout the recruitment process.