Mobile App Developer Software Engineering · Stallingborough HQ
Listed on 2026-09-03
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Software Development
App Developer - Mobile/Web, React.js, Software Engineer
Putting the ‘i’ into British Innovation.
Putting the ‘i’ into Inventing the Future.
Putting the ‘i’ into Inspiring Change.
myenergi is a growing global clean‑tech manufacturer dedicated to removing the barriers to a greener future. Known for our award‑winning zappi EV charger and our intelligent home energy management ecosystem, we empower customers to control, store, and optimise their self‑generated energy.
With an expanding international presence and ambitious plans for continued global growth, we’re shaping the future of smart, flexible homes, leading innovation in solar, EV, and battery technology to create a cleaner, more sustainable future for all.
Role SummaryWe’re looking for a Senior React Native Software Engineer to join our growing mobile team. You’ll help develop and maintain two key mobile apps:
A customer-facing app that gives users real‑time visibility and control over their myenergi devices (zappi, eddi, libbi, harvi, etc.).
An installer‑focused app used by professional installers to connect to our devices via Bluetooth for setup, configuration, and diagnostics.
You’ll work as part of a small, agile team with real ownership over product features and UX improvements. This is an opportunity to work on meaningful software that integrates closely with custom hardware and contributes to a more sustainable future.
Key ResponsibilitiesBuild, maintain, and iterate on our two React Native mobile apps for iOS and Android.
Help review, design and implement the architecture of our mobile apps.
Work closely with product owners, designers, firmware engineers, and QA to deliver features from concept to release.
Integrate with Bluetooth (BLE) APIs to support device configuration via the installer app.
Collaborate on API integration for real‑time energy data, settings management, and device control.
Write robust, maintainable, and well‑tested code.
Identify and resolve performance bottlenecks, bugs, and UI/UX inconsistencies.
Participate in regular code reviews and help shape best practices across the mobile team.
5+ years using React Native in production apps.
Strong skills in JavaScript and Type Script.
Experience building and maintaining cross‑platform mobile apps (iOS and Android).
Familiarity with Bluetooth Low Energy (BLE) integrations in React Native (or willingness to learn).
Experience integrating RESTful APIs and handling asynchronous data flows.
Version control with Git and familiarity with standard CI/CD processes (e.g. CircleCI).
Experience delivering clean UI’s and user experience best practices.
Good communication skills and a collaborative mindset.
Experience working with native modules (Swift, Kotlin).
Familiarity with BLE libraries.
Testing tools like Jest.
Previous experience in IoT, smart home, or hardware‑connected apps.
Understanding of energy systems or EV charging tech.
At myenergi, our values guide how we work every day
Bold – Push for betterChallenge the norm and set new standards
Try new ideas and learn fast
Focus on progress, not perfection
Speak up, even when it’s hard
Take responsibility for your work and results
Make informed decisions
Welcome challenge and give it respectfully
Put customers first
Collaborate and share openly
Communicate clearly and honestly
Support each other
Think beyond your own team
Consider the impact of your decisions
Help customers save money and cut carbon
Build technology that is made to last
Deliver value through continuous improvement
Free on‑site EV charging
Private Medical Insurance
Cycle to Work Scheme
25 days’ holiday (increasing with service) + Bank Holidays
Mental Health First Aiders across the business
Career development and ongoing support
Employee empowerment and autonomy
Free on‑site parking
A positive, purpose‑driven working environment
EV salary sacrifice scheme
Birthday leave – because everyone deserves a day off for their birthday
Life Assurance - death in service
Long service awards
Enhanced maternity and paternity pay
Life Celebrations – vouchers for birth and marriage
Employee Assistance Programme – a free, 24/7 UK‑based counselling helpline
myenergi is committed to being an equal opportunity, diverse and inclusive employer. We want a supportive and inclusive environment where our colleagues can reach their full potential without prejudice and discrimination. We are committed to a culture where respect and understanding is fostered, and the diversity of people’s backgrounds and circumstances will be positively valued.
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