Senior Software Engineer
Starling Bank
Senior Software Engineer
Starling Bank
Mobile banking for personal and business
Starling · London, United Kingdom (Hybrid) · Full-time · Posted 2026-10-27
Workplace: hybrid
Department: Software Engineering
At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.
Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.
Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success.
As a company, everyone is expected to roll up their sleeves to help deliver great outcomes for our clients. We are an engineering led company and we’re looking for people who are will be excited by the potential for Engine’s technology to transform banking in different markets around the world. Our purpose is underpinned by five values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.
Hybrid Working
We have a Hybrid approach to working here at Engine - our preference is that you're located within a commutable distance of our offices so that we're able to interact and collaborate in person.
About Engineering at Engine by Starling
We’re looking for Backend Software Engineers to work on the Engine Platform and make our existing features work for banks all over the world as well as building new features from scratch that Starling hasn’t released in the UK market.
Engine by Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear more from the team in some case studies, below, and our work with Women In Tech.
We are looking for engineers at all levels to join the team. We value people being engaged and caring about customers, caring about the code they write and the contribution they can make to banking around the world. People with a broad ability to apply themselves to a multitude of problems and challenges, who can work across teams do great things here at Engine, to continue changing banking for good.
As a Senior Engineer you will:
We’re open-minded when it comes to hiring and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we’d love to hear from you.
We have built our entire banking platform in house and mostly in Java. We are looking for people who want to work on building the tooling that is used by our engineers on a daily basis.
The main part of our Backend Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great!
Our Interview process
Interviewing is a two way process and we want you to have the time and opportunity to get to know us, as much as we are getting to know you! Our interviews are conversational and we want to get the best from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team:
About Us
You may be put off applying for a role because you don't tick every box. Forget that! While we can’t accommodate every flexible working request, we're always open to discussion. So, if you're excited about working with us, but aren’t sure if you're 100% there yet, get in touch anyway. We’re on a mission to radically reshape banking – and that starts with our brilliant team. Whatever came before, we’re proud to bring together people of all backgrounds and experiences who love working together to solve problems.
Engine by Starling is an equal opportunity employer, and we’re proud of our ongoing efforts to foster diversity & inclusion in the workplace. Individuals seeking employment at Engine by Starling are considered without regard to race, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by applicable law.
When you provide us with this information, you are doing so at your own consent, with full knowledge that we will process this personal data in accordance with our Privacy Notice. By submitting your application, you agree that Engine by Starling and Starling will collect your personal data for recruiting and related purposes. Our Privacy Notice explains what personal information we will process, where we will process your personal information, its purposes for processing your personal information, and the rights you can exercise over our use of your personal information.
We use AI tools to support various parts of our recruitment process, helping our team manage applications and assessments more efficiently. These tools are strictly used for support and do not replace human judgment with all hiring decisions being made by our team. If you would like more information about how your data is processed, please reach out to us.
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Mobile banking for personal and business
Starling Bank is a digital bank in the UK offering personal and business current accounts through a mobile app. For individuals, it provides features like instant spending notifications, insights, and Spaces (pots) to separate money. For businesses, it offers business accounts with invoicing and accounting integrations. The app handles account management, payments, and budgeting in one place, with transactions processed online and via card payments. The bank earns revenue from card interchange fees, interest on balances held with the central bank, and lending (such as personal loans and overdrafts). Its approach combines mobile-first banking with a broad set of services in a single app, differentiating itself through the Spaces budgeting tool, real-time transaction insights, and a strong focus on both personal and business banking. Starling’s goal is to grow its customer base while expanding its lending portfolio and offering a complete digital banking experience in the UK.
Explore more opportunities at Starling Bank