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

Recommended Jobs

Financial Services Research and Insights ? Analyst

GlobalData UK Ltd
London

Who we are GlobalData operates an intelligence platform that empowers leaders to act decisively in a world of complexity and change. By uniting proprietary data, human expertise, and purpos…

View Details
Posted 2026-01-24

Nanny to work in the afternoon, Job ID J1FA66

Little Ones UK Ltd
Kilburn, Greater London

A London-based household is seeking an After-school Nanny to care for their two school-aged children. All general nanny duties are required for this role, with a strong focus on supporting the childr…

View Details
Posted 2026-01-21

Affiliate Influencer Specialist

London

Closing Date: 28th Nov Location: Nottingham or London Recruitment Partner: Frankie McCallister-Lyas Overview: Welcome to the Creator Growth team – an exciting team at the heart of No7 B…

View Details
Posted 2026-01-12

General Manager

HC Solutions
London

General Manager Job Title:         General Manager H&C Solutions is delighted to announce our partnership with an exciting new restaurant opening in the heart of Marylebone. This concept will…

View Details
Posted 2026-01-18

Music Teacher - Mixed Secondary School in Croydon

Marchant Recruitment
Croydon, Greater London

Music Teacher – Mixed Secondary School in Croydon (January Start) Location: Croydon Start Date: January 2026 Contract Type: Full-time, Permanent Salary: Paid to scale A creative and …

View Details
Posted 2025-12-16

Digital Account Manager

Mobilus Ltd
Central London

We are working in partnership with an award-winning PR-led marketing agency that offers world-class communications services across media, industry analysts, and digital channels. Their industry exper…

View Details
Posted 2025-08-22

Test Centre Administrator London, UK

Pearson
London

Description Our Organisation Pearson VUE () has been a pioneer in the computer-based testing industry for decades delivering more than 15 million certification and licensure exams annually in…

View Details
Posted 2025-12-06

Recruitment Business Partner

Lorien
City of London, Greater London

Recruitment Business Partner &##128205; City of London - Hybrid (2-3 days onsite) &##128196; Permanent About the Role Impellam Group is seeking a Recruitment Business Partner to support the c…

View Details
Posted 2026-02-09

Biology Teacher - Exclusive West London School

Marchant Recruitment
London

*Biology Teacher required from January 2026 *Brilliant Outstanding mixed School based in West London * Biology teacher to join a highly successful and well-resourced department Our Client is loo…

View Details
Posted 2025-10-04

Associate Manager/Manager, Corporate Tax

Gravita
London

We’re Gravita: the accountants fuelling ambitious businesses. We’re a full service, tech-enabled firm, working with entrepreneurs and businesses to help them achieve their goals, and make an impact …

View Details
Posted 2025-11-29