First seen by Alion on Oct 10, 2026.
For our client, a payment tech company on a mission to create the most empowering way to pay for anything, anywhere, we are looking for a Senior Software Engineer.
About the role
The company is searching for a talented Backend Engineer to join our dynamic and fast-paced team. We are looking to speak with coding enthusiasts who live and breathe software, and who obsess about quality. An engineer who is wholehearted about writing awesome code that they can be proud of. This role is a fantastic opportunity for Engineers who would like to get involved in building from the ground up, value innovation and are natural problem solvers. If this sounds like you, we want to hear from you!
Day-to-day responsibilities
Analysing software for new features, designs and releases as well as test automation to ensure the company’s platform maintains high standards as it grows.
Being responsible for app and software programs testing and advising on testing improvements.
Working in an agile environment on user stories that deliver significant impact for our customers.
Building integrations and APIs that are rock-solid, secure, well-tested, and highly performant.
Continually improving software code, systems, practices, and knowledge.
Working with databases and data to ensure the Company store and process information securely and effectively.
Continuously discovering, evaluating, and implementing new, custom user interfaces for efficiency, development and performance.
Liaising with users to prioritise inbound bug reports and reproduce reported issues.
Working closely with the team in relation to identifying effective testing strategies and providing continuous support to junior staff.
What we’re looking for
Key Requirements
A Bachelor and/or Master degree
4+ years’ experience in Java Software Development
4+ years’ using Spring Boot
4+ years’ integrating with external services
Technically minded with an ability to grasp technical concepts quickly
Highly detail-oriented and committed to quality
A positive, collaborative attitude and approach to testing
Exposure to AWS or other cloud providers
Bonus skills
Exposure to NoSQL type databases (e.g., Mongodb)
Exposure to React or Angular
Exposure to TypeScript
Develops mindset
Experience working on B2C product
Hands-on experience using AI-powered tools in day-to day work
What we offer
Competitive salary
PPK Program
50 % tax-deductible expenses (KUP)
Share Options programme
Private health and insurance (Luxmed)
Allianz Travel Insurance
Lots of room for career development, enhancement, and progression
Occasional game nights and lots of social/team events
Fully stocked kitchen with a selection of beverages and snacks
Branded merchandise
Tech stack
- Java
- Spring Boot
- NoSQL

