Senior Mobile Engineer

Kraken
London

Help us use technology to make a big green dent in the universe!

Were a technology company focused on creating a smart sustainable energy system. From optimising renewable generation creating a more intelligent grid and enabling utilities to provide excellent customer experiences our operating system for energy is transforming the industry around the world in a way that benefits everyone.

Its a really exciting time in energy. Help us make a real impact on shaping a better more sustainable future.

About Kraken Field

Were making converting homes to green electrons as simple as possible by building a platform to allow engineers to install smart meters solar panels heat pumps EV chargers and more.

Were busy launching in new countries working with ever more engineers and tech partners building exciting new features at scale and creating the integrated solution to retrofit homes across the world - all in the name of making it as easy and cheap as possible for customers to go green.

Kraken Field is a multifunctional multinational team made up of product backend design mobile web and more - all focused together on making Octopus the go-to name in green home installations. And were looking for smart individuals with an interest in the space who can help us make it happen.

Who you are:

  • Youll be someone who thrives on uncertainty and loves to make an impact
  • Youll be passionate about what you do and that shows through your enthusiasm and communication
  • Your values will align with that of the companys youll care about sustainability and creating a better future for our planet
  • Youll enjoy contributing across the whole development process including design product management and stay on top of upcoming technologies that could benefit the business
  • The home retrofitting industry and Kraken Field as a product are rapidly expanding and are a hugely important part of decarbonising the planet - youll have big responsibility from day one and really help influence how we scale the technology to make that happen
  • Be able to discuss vision and features within a team and propose creative solutions
  • Be proficient with Kotlin and have experimented with other programming languages
  • Have a good knowledge of Jetpack Compose having used it in a professional environment
  • Be passionate about app architecture and can talk about the benefits and drawbacks of various patterns (MVC MVVM Redux)
  • Be passionate about great app design and user experience
  • Have used GraphQL or are interested in learning
  • Have knowledge of reactive libraries offline storage API integration and testing
  • Be familiar with source control best practices and continuous integration
  • Be excited to explore cross platform code sharing solutions (whilst keeping the UI 100% native)

What the role involves:

  • Kraken Field is a multifunctional team made up of product backend design mobile web and more - all focused together on making Octopus the go-to name in green home installations. And were looking for smart individuals with an interest in the space who can help us make it happen
  • As well as being part of Kraken Field youll be part of a large team of mobile developers across Octopus with projects spanning Electric Vehicles Energy usage flexibility Energy accounts Smart home devices Acquisitions and Engineer solutions
  • All our apps are built with declarative UI frameworks (Jetpack Compose & SwiftUI) all our APIs are built in GraphQL and we use a modern selection of libraries and software development techniques
  • We have projects in pure iOS/Swift others in pure Android/Kotlinand we also use Kotlin Multiplatform in larger projects to share code between native codebases

Kraken is a certified Great Place to Work in France Germany Spain Japan and the UK we are one of the Best Workplaces on Glassdoor with a score of 4.7. Check out our Welcome to the Jungle site (FR/EN) to learn more about our teams and culture.

Are you ready for a career with us We want to ensure you have all the tools and environment you need to unleash your potential. If you have any specific accommodations or a unique preference please contact us at and well do what we can to customise your interview process for comfort and maximum magic!

Studies have shown that some groups of people like women are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are if you like one of our jobs we encourage you to apply as you might just be the candidate we hire. Across Kraken were looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer we do not discriminate on the basis of any protected attribute. We consider all applicants without regard to race colour religion national origin age sex gender identity or expression sexual orientation marital or veteran status disability or any other legally protected status. U.S. based candidates can learn more about their EEO rights here.

Our (i) Applicant and Candidate Privacy Notice and Artificial Intelligence (AI) Notice (ii) Website Privacy Notice and (iii) Cookie Notice govern the collection and use of your personal data in connection with your application and use of our website. These policies explain how we handle your data and outline your rights under applicable laws including but not limited to the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). Depending on your location you may have the right to access correct or delete your information object to processing or withdraw consent. By applying you acknowledge that youve read understood and consent to these terms

Required Experience:

Senior IC

Posted 2025-12-21

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