Senior Software Engineer

10x Banking

Senior Software Engineer at 10x Banking delivering scalable solutions using cutting-edge technologies. Mentoring junior developers and working on lending modules for various financial products.

Posted 7/5/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDockerGradleJavaKafkaKubernetesMavenMicroservicesPostgresSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

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 role is within the team responsible for the lending modules. Services run by this team support multiple types of lending products including credit cards, mortgages and unsecured loans.
This requires complex orchestration with the interest calculation and fees engines as well as billing and regeneration of payment schedules. All of this needs to be highly performant and at scale.
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.

Requirements

What you’ll need

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

Comp & perks

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 learning pathways
1 paid volunteering day a year
Sabbatical leave
Options pool
Private health insurance, with the option to add your family
Pension scheme
Enhanced company sick pay
Life Assurance
Income Protection
Subscription to Headspace wellbeing app
Flexible benefits via salary sacrifice

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Java 21Spring FrameworkTest-Driven DevelopmentSQL DatabasesPostgreSQLRESTful API DesignMicroservicesDockerKubernetesEvent-Driven Architecture

Soft Skills

Excellent Communication SkillsMentoringStakeholder ManagementStrong Work EthicAgile Methodologies