Remote working considered


Computer Science & IT


Intermediate / Experienced


201 – 500 employees

We’re Atom...


As the UK’s most innovative fintech, we’re taking a mobile-first approach and redefining what a bank should be. Using technology, we’re making things easier, transparent and better value for people and businesses. 


Based in Durham, we’re committed to bringing world-class career opportunities and developing a strong tech culture in the North East. Our team currently has 400 brilliant people and is still growing; could you be the next innovator to join us? 


We’re looking for mindful, empathetic and self-aware people to join our teams in Durham and London and help us innovate and disrupt the market with our cutting-edge, digital banking solution. 


Here’s some of the tech we use:  

• ReactJS  

• Swift5  

• Kotlin  

• Python  

• GoLang 

• Kafka  

• Google Cloud Platform (GCP)  

• Mulesoft  

• Kubernetes  


Our tech journey: We’re investing millions in building the best banking machine in the world on Google’s Cloud Platform.  


What else should you know… 


Platform: We’ve taken the very best cloud native technologies and partnered them with contemporary data architecture to create a platform that we believe is the envy of the world.  

Agile principles: Our move to GCP means we can fully embrace agile principles with autonomous teams, rapid release cycles and automated testing. 

Innovation: Named by KPMG as one of the top ten Global FinTech innovators for four consecutive years, and with multiple projects funded by the UK science budget to bring great analytics and tech to banking, you can expect to be working on cutting-edge projects utilising machine learning and artificial intelligence to transform the way people and businesses do banking. 


Want to join us? 

We’re on a mission to disrupt banking, and with exciting and challenging work and outstanding perks, it means we work in an environment in which you can personally grow. 

That’s why, when we’re recruiting, we’re looking for individuals who are as enthusiastic and passionate as we are about changing banking for the better. 

We are developing a mobile app that allows you to do your banking wherever you are, whenever you want. 

As a Lead Android Developer at Atom we are looking specifically for you to head up and work as an evangelist in a fresh and dynamic team, working on state of the art projects in IT, for one of the world’s largest Fintech Start-ups. 

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

• You will be responsible for technical leadership of Atom’s Mobile Banking Application using appropriate software languages and tools 

• You will manage daily stand-ups with the Mobile Application Development team 

• You will be responsible for providing technical steer for design and to ensure associated artefacts are documented to agreed standards 

• You will be responsible for developing various APIs/Services integrating within the mobile App with a number of internal/external backend and appropriate SW languages/tools 

• You may be involved in the design and develop data models/structures, API integrations, loosely coupled code and the fundamental application framework using appropriate SW languages/tools 

• You will be responsible for resolving QA defects by working closely with your App Dev and Test teams or any required integration provider 

• You will ensure that the attack vectors are minimised, and security issues are mitigated using a combination of secure development practice and additional Mobile Application security tooling 

• You will ensure that all developed components have the appropriate level of quality and governance (version control, documentation, unit testing, secure development) 

• You will work closely with third parties to facilitate integration and smoke testing 

All roles within Atom must adhere to the Conduct Rules as set out by the Prudential Regulation Authority (PRA) and the Financial Conduct Authority (FCA). 

As part of our journey in building and running a bank we’ll encounter many risks along the way. In order to make sure the road doesn’t become too bumpy we expect everyone to make a conscious effort to proactively tackle and highlight any risks that we might face. 


What do we need from you? 

• A Bachelor’s degree in computer science or a related field OR relevance vocational qualification(s) 

• Extensive knowledge of Kotlin for the development of mobile applications and the ability to code, build and deploy an application on a mobile device 

• 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 

• Knowledge of UX Development including responsive designs and accessibility, some knowledge of RESTful API integration would be helpful but not essential 

• Ability to learn and communicate problems during your training period • Clear communicator both written and verbally 

What would we ideally like from you? 

• Building unit test experience 

• Programming of other non-mobile languages 

• App Store Provisioning, release provisioning 

• JIRA / Confluence experience 

• Experience of working closely with User Experience and Customer Experience teams 

• Improvisation and thinking outside the box to solve complex technical challenges • Experience of DevOps environments 

• Experience of iOS Development 


What you’ll get from us: 

• Competitive Salary 

• Annual Share Option – performance related 

• Incredibly generous Company pension scheme (13% Atom contribution) 

• ‘All About Me’ fund - £200 per year to spend on learning a new skill (but it can’t be anything to do with your job). Recently people have done upholstery courses, had driving lessons and a rowing membership 

• 25 days holiday + 8 statutory days - rising by half a day with every year in the company 

• Private Medical Insurance for you and immediate family 

• Health Cash Plan – expenses paid on Optical/Dental/other appointments/treatments 

• Life Insurance – 4 times annual salary 

• Critical illness cover – 1 x lump sum annual salary 

• Cycle to work Scheme 

• Continuous development – professional qualifications 

• Flexible working in a creative environment 


PLEASE NOTE: You must have the legal right to work in the UK to apply for this role as Atom is unable to support Visa Applications/Sponsorship 

Atom is an equal opportunities employer.  We value you as an individual and therefore disregard race, religion/belief, gender, sexual orientation, maternity/pregnancy, age, gender reassignment, marriage/civil partnership and disability in any hiring decisions we make. Atom will always adhere to the Equality Act 2010. "