Senior Software Engineer (Hiring Immediately)

10x Banking
London

We’re on a mission to make banking 10x better.

At 10x Banking (ten- ex  banking) we’re transforming the financial industry with our cloud-native core banking platform. Our talented team has built the world’s first 'meta core' - a new category in core banking technology. 10x's platform powers global banks and financial institutions including Chase UK, Old Mutual and Westpac.

We offer a diverse, global community that thrives on innovation and collaboration. Tackling exciting challenges with the utmost integrity, we aim to make a positive impact through our work for our clients, their customers and the communities we work in.

Be part of something bigger – join us and transform and industry.

About the role

As a Software Engineer at 10x, you are passionate about working with cutting-edge technologies, and bring deep technical knowledge and proven experience with data systems to deliver scalable solutions.

This particular role is with the team responsible for building and running the interest calculation and fees and charges components. Services run by this team are required to calculate in excess of 10 million interest accruals every night and post tens of millions of pounds worth of interest each month. Calculations are completed in less than 20mins and the team achieve this using a highly parallelizable Elastic Map Reduce cluster.

Additionally, to the technical side of the role, you bring experience and wisdom in mentoring junior developers and proven experience in the challenges of delivery of high-quality software in a high-performance and fast paced development environment.

About you

You will be keen to solve problems beyond the borders of your immediate team and demonstrate that you can think on multiple levels; from strategic and tactical to driving operational excellence and system availability.

You are adept at reading code and designing and delivering systems that can exceed the exacting demands of our clients.

Our tech stack:

Java / Spring Boot ecosystem (and some Kotlin)

Kubernetes, Docker, Helm, Terraform, AWS

Kafka, Redis, PostgresSQL , Spring reactive, Quarkus

Gradle, Jenkins, SonarQube, Checkmarx

Requirements

Ideally you will have...

  • Solid Java software development skillset, ideally utilising Java 21 or higher and the Spring framework, in particular Spring Boot 3.x.x.
  • A demonstrable Test-driven-development mindset, with good experience in writing unit, integration, and functional tests specifically for web services.
  • Experience with Kafka and event-driven architecture.
  • Prior experience working with SQL databases, strong knowledge around PostgreSQL
  • A keen interest in Continuous Integration / Continuous Deployment, experience with build tools such as Gradle / Maven.
  • Experience in helping lead the development lifecycle process, best practices and operating distributed cloud-based microservices.
  • Strong knowledge of designing and building RESTful APIs.
  • Experience building and deploying production level Microservices using Docker / Kubernetes / Helm.
  • Proven experience developing JVM-based microservices running in Kubernetes, and taking them through all stages of the development life cycle.
  • Proven experience building cloud-based solutions using AWS.
  • Applicable knowledge of event streaming technologies (e.g. Kafka).
  • Excellent communication skills, solid work ethic, and a strong desire to write production-quality code
  • Good experience of delivering software in an Agile manner, working as part of a Scrum team.
  • You write high quality, clean code that’s reliable, maintainable and performant.
  • You have a deep understanding of best practices in agile software development.
  • You’re good at managing stakeholders, and can teach, mentor and empower others.
  • You can assess the technical trade-offs and deliverables needed to create optimal solutions.

Benefits


At 10x Banking, we believe in empowering you to get the job done! Our benefits are here to support you be the best you can be.

  • 25 days of holiday in addition to Bank/Public Holidays (with the option to swap some public holidays for alternative dates such as Diwali or Eid)
  • 1 day off on or around your birthday
  • 4 wellbeing days (1 additional paid day off per quarter, aimed at supporting you to maintain your personal wellbeing)
  • Remote enabled working: scroll down to see the office requirements for this role
  • Enhanced parental policies, including time off for fertility treatment
  • Regular social gatherings and affinity groups
  • Work from anywhere outside your typical working location – up to 4 weeks a year
 
  • Career progression and learnin]]>
Posted 2026-05-22

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