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Atom Bank • Hybrid or Remote

Principal Software Engineer

Employment type:  Full time
Salary:  £80,000 – £95,000 per annum

Job Description

Want to join us?

As a Principal Engineer at Atom bank, you’ll be embedded into one of our product aligned Value Streams. You’ll collaborate with Solution & Technical Architects, Business Analysts, Software Engineers and Testers to deliver change for your Value Stream.

This role spans across multiple projects and technology, across frontend tech including ReactJS, Swift iOS & Kotlin to backend tech such as Golang, Python and Java. You’ll be tasked with driving forward positive change and innovation in how we are currently developing software within Atom Engineering across Value Streams, coaching the team to ensure the correct technical decisions are taken with consideration for now and the future.

What will your ‘typical’ day look like…. (there’s no two days the same in Atom):

You will:

  • Provide technical guidance to development teams and oversee the technical aspects of all platforms within your Value Stream.
  • Be responsible for providing technical steer for design and ensuring associated artefacts are documented to agreed standards.
  • Design and develop data models/structures and API contracts, data transforms& algorithms.
  • Ensure and developed components have the appropriate level of quality and governance (version control, documentation, unit testing).
  • Resolve QA defects by working closely with the relevant teams.
  • Work with Product Managers to iteratively improve the solution and hone the data outputs.
  • Work closely with third parties to facilitate integration and smoke testing.
  • Recommend new technologies that help increase productivity, improve end user experience and/or reduce total cost of ownership.

What do we need from you?

  • A strong background in Software Engineering with a good understanding of multiple programming languages in both Frontend and Backend Development.
  • Considerable understanding of APIs & API structures.
  • Experience of Microservice Architecture.
  • Experience of developing & running application on public cloud GCP, AWS or Azure .
  • Technical Solution Design and Technical Documentation experience.
  • Significant experience working in an Agile/DevOps environment.
  • Experience of using CI/CD tools such as Jenkins, and of containerisation (Docker/Kubernetes).
  • Logical approach, adaptability, and ability to think outside the box during problem solving.

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
4-day week
Sabbaticals
Enhanced maternity leave
Enhanced paternity leave – 4 weeks (inc 2 weeks statutory topped up to full pay)
Adoption leave
Shared parental leave
22.5 days annual leave + bank holidays
Teambuilding days
In house training
Health insurance
Family health insurance
Mental health platform access
Critical Illness Insurance
Buy or sell annual leave
Time off in-lieu
Electric Car Salary Sacrifice
Salary sacrifice
Enhanced pension match/contribution
Referral bonus

Working at Atom Bank

Company employees:

560

Gender diversity (m:f):

59:41

Funding levels:

£500m+

Hiring in countries

United Kingdom

Office Locations

Awards & Accreditations

Mission Driven

Mission Driven

Flexa awards 2025
Most flexible companies

Most flexible companies

Flexa100 2024
Finance & Insurance

Finance & Insurance

Industry awards 2023