Senior Software Engineer - Fintech

We’re looking for a Senior Software Engineer experienced in JavaScript/Typescript/Node serverless microservices/AWS to join our Fintech team here at N Brown. As a member of the Castle project team, you’ll be at the heart of a unique and exciting venture to assemble a new financial services platform.

• Driven by boundless curiosity and experimentally minded, always starting with ‘why?’.
• Tenacious and persistent, willing to go above and beyond to deliver great outcomes.
• Focused and decisive, able to ruthlessly prioritise to stay on track.
• Energised by collaboration and a champion of radical candour.
• Believes as much in having fun as working hard.

• Designs, codes, verifies, tests, documents, amends and refactors complex programs/scripts and integration software services.
• Contributes to the selection of the software development methods, tools and techniques.
• Applies agreed standards and tools to achieve well-engineered outcomes.
• Participates in reviews of own work and leads reviews of colleagues' work.
• Designs complex software applications, components and modules.
• Reviews, verifies and improves own designs against specifications. Leads reviews of others’ designs.
• Uses approved tools and techniques for specific deployment activities.
• Follows agreed procedures to identify and resolve issues with applications.
• Uses application management software and tools to collect agreed performance statistics.

• Strong command of JavaScript/Typescript.
• Hands‑on experience with Node serverless microservices, whether it's AWS Lambdas or containerization managed through ECS or similar platforms.
• Familiarity with AWS serverless development and deployment frameworks, including the Serverless framework, AWS SAM, AWS CDK, and more.
• Emphasis on an API‑first approach to software development.
• Proficiency in implementing unit and integration testing using frameworks like Jest.
• Expertise in consuming RESTful services, which includes adeptly handling JSON data.
• Proven experience in continuous integration practices, encompassing source control with Git, building processes (leveraging tools like Azure Dev Ops, Gitlab, or others), testing, auditing (utilizing tools like Sonar Qube), and deployment.
• Experience in Agile development methodologies.
• Knowledge of Terraform or a strong willingness to learn Terraform and apply Infrastructure as Code principles.
• Familiarity with Kafka or a strong willingness to learn Kafka and engage with event‑driven architecture.
• Understanding of software design patterns

• Hybrid working and flexible start times
• 24 days holiday (+ 8 bank holidays) with the option to buy an additional 10 days
• Annual bonus scheme
• Enhanced maternity and adoption leave
• Company pension with up to 8% N Brown contribution
• Mental Health support both internally and externally, including access to our wellbeing champions and counselling services
• A range of financial wellbeing support
• Colleague discount across all N Brown brands
• Onsite café with subsidised rates and local restaurant discounts!
• Life Assurance and Private Medical Insurance
• Paid volunteer time – all our colleagues can take a full day paid to volunteer for a charity of their choice

At N Brown, we’re committed to building a diverse workforce and creating an inclusive environment that values equality for all. Our vision is that by ‘championing inclusion, we’ll become the most loved and trusted fashion retailer’. Diversity, Equity, Inclusion and Belonging are, therefore, at the heart of our culture.

We’re a forward‑thinking digital retailer with a financial services proposition to be proud of. We’re customer‑obsessed, serving them through three core brands: JD Williams, Simply Be, and Jacamo. We’re experienced, with over 160 years of trading under our belt. We’re inclusive, as we believe in fashion without boundaries; and we’re sustainable, striving to make as little impact on the planet as possible.

In May 2024 we were delighted to be named one of The Sunday Times Best Places to Work 2024. We work hard to create a happy…