Atom Bank • Hybrid or Remote

Senior iOS Engineer I

Employment type:  Full time
Salary:  £50,000 – £60,000 per annum

Remote-first – Occasional office attendance

4-day week

A little flex time

Apply now

Job Description

Atom’s Engineering team consists of Test, Platform, Frontend & Backend areas. We collaborate, support, and work closely with other areas within the business including DevOps, Architecture & Insight and Intelligence.

As a Senior iOS Engineer I you’ll sit within a team that delivers a highly rated app and be coached by the iOS Guild Lead within Frontend Engineering. Your activity will be aligned to our Savings Value Stream, where you’ll use your technical knowledge to provide steer for team design activities and detailed technical input across the development lifecycle.

Outside of delivery you’ll be a key contributor to iOS guild activities whilst being a point of contact for app releases. Whilst working alongside a well-established & experienced iOS guild, you’ll have the opportunity to make a tangible difference as we look to modernise our app codebase, working on new features to deliver benefits to Savings customers with scope to mentor Junior & Mid-Level Engineers. This role is part of our Frontend Career Progression Framework which includes both Individual Contributor and People Management pathways.

What will you be doing?

You will:

  • Write high quality, performant, secure code for Atom’s Mobile Banking Application.
  • Take ownership of a variety of items, including complex features and dependency updates.
  • Design and develop data models/structures, API integrations, loosely coupled code and the fundamental application framework using appropriate SW languages/tools.
  • Identify the technical impact of product delivery.
  • Identify and champion best practices within the iOS Guild.
  • Ensure that all developed components have the appropriate level of quality and governance (version control, documentation, unit testing, secure development).
  • Work closely with third parties to facilitate integration and smoke testing.
  • Contribute to the design of the iOS Guild roadmap.
  • Conduct personal research and contribute to proof of concepts.
  • Where agreed, participate in out of hours support.

What do we need from you?

  • Undergraduate degree in a relevant subject area and/or equivalent experience working in a commercial environment.
  • A deep understanding of iOS development, including associated tooling and frameworks.
  • An excellent working knowledge of Swift.
  • Proficient with Swift UI.
  • Experience with modern Software Design Patterns such as MVVM or MVC
  • Considerable experience in a development capacity encompassing contribution to solution design, and technical documentation production
  • Conversant with SOLID and OOP principles and Software Design Patterns, BDD and TDD as approaches
  • Experience of UX Development including responsive designs and accessibility, RESTful API integration, securing applications and secure messaging using a variety of methods including but not limited to credentials, certificates, tokens, pinning.
  • Clear communicator both written and verbally
  • Experience of working closely with third parties and external systems providers

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
4-day week
Enhanced maternity leave
Enhanced paternity leave
Adoption leave
Shared parental leave
22.5 days annual leave + bank holidays
Teambuilding days
Employees are very happy with their working location freedom
Employees are very happy with the flexibility in the hours they work
Employees are largely happy with the benefits their company offers
Work-life balance
Employees feel that they can switch off quite easily from work
Role modelling
Employees feel that most people work flexibly
Employees feel they have complete autonomy over getting their work done

Working at Atom Bank

Company employees


Gender diversity (male:female)


Office locations

Durham & London

Funding levels


Hiring Countries

United Kingdom

Awards & Achievements

Most flexible companies

Most flexible companies

Flexa100 2024
Finance & Insurance

Finance & Insurance

Industry awards 2023

Other jobs you might like