Backend Software Engineer

End Date Tuesday 24 November 2026

Salary Range £76,760 - £115,140

We support flexible working –  for more information on flexible working options

Flexible Working Options Hybrid Working, Job Share

Job Title:

Backend Software Engineer

SALARY: £76,760 - £95,950

LOCATION:

Hybrid (London)

HOURS:

Full Time (35 Hours)

WORKING PATTERN:
Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. Colleagues with disabilities can be supported with workplace adjustments including hybrid working expectations in line with our Flexibility Works policy.

As a Backend Software Engineer, you’ll build elegant, performant, maintainable, operable and secure Golang microservices that power innovative financial products and services. You’ll collaborate closely with product, engineering and business stakeholders to deliver customer-focused solutions, contribute to system design and architecture, champion engineering best practice, and help continuously improve development processes. You’ll play a key role in building a connected platform, developing data-driven financial insights, enabling integrations with leading applications and services, and supporting the delivery of scalable, resilient systems that help customers better manage their money.

If you think all banks are the same, you’re wrong. We’re a pioneering, fast-changing business that’s shaping finance as a force for good. If you’re after a role where you can have an impact and do the best work of your career, you’ve just found it

• Strong commercial experience developing backend applications in Golang
• Experience building and supporting microservices architectures
• Experience deploying and operating applications in containerised environments, ideally Kubernetes
• Knowledge of relational and No
  
  SQL databases
• Experience working within agile development environments
• Ability to diagnose and resolve issues across the application stack, including network, server and database layers
• Experience building concurrent, distributed applications at scale
• Experience working with Dev Ops or SRE teams to support production environments
• Strong communication and collaboration skills
• A passion for learning, continuous improvement and delivering high-quality software

• Experience with Kafka, RabbitMQ or other messaging technologies
• Experience with event-driven architectures
• Experience of real-time, low-latency transaction-based systems
• Knowledge of AWS, Docker and CI/CD practices
• Experience with PostgreSQL, MongoDB or Big Query
• Exposure to data platforms, ETL processes or machine learning-enabled products
• Experience mentoring, coaching or supporting the development of other engineers
• Previous experience within fintech, payments or a fast-paced startup environment

Our ambition is to be the leading UK business for diversity, equity and inclusion, supporting our customers, colleagues and communities.

We are committed to creating an environment in which everyone can thrive, learn and develop.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and launch a dedicated Working with Cancer initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns.

As a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role and have a disability, long-term health or neurodivergent condition, through the Disability Confident Scheme.

We…