Mobile App Developer 3

myenergi Ireland; Stallingborough; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Free on-site EV charging

Private Medical Insurance

Cycle to Work Scheme

25 days' holiday (increasing with serv

Bank Holidays

Mental Health First Aiders

Career development and ongoing support

Employee empowerment and autonomy

Free on-site parking

EV salary sacrifice scheme

Birthday leave

Long service awards

Life Assurance - death in service

Enhanced maternity and paternity pay

Life Celebrations – vouchers for birth

Employee Assistance Programme – UK‑bas

Job summary

myenergi is seeking a Senior React Native Software Engineer to join our mobile team. You’ll help develop and maintain two key mobile apps: customer‑facing real‑time energy control for our devices and an installer‑focused app accessed by professional installers via Bluetooth.

You’ll work in a small, agile team with ownership over features and UX, collaborating with product, firmware, QA, and design to ship robust, well‑tested code that enhances our smart home energy ecosystem.

Qualifications

• 5+ years using React Native in production apps.
• Strong skills in JavaScript and TypeScript.
• Experience building cross‑platform iOS/Android apps.
• Familiarity with BLE integrations in React Native.
• Experience with RESTful APIs and async data flows.
• Git and CI/CD processes knowledge (CircleCI).
• Delivering clean UI/UX and collaboration.
• Good communication and a collaborative mindset.

Responsibilities

• Build, maintain, and iterate on two React Native apps for iOS and Android.
• Help design and implement the mobile app architecture.
• Collaborate with product, design, firmware, and QA to ship features.
• Integrate Bluetooth for installer app configuration.
• API integration for real‑time energy data and device control.
• Write robust, maintainable, and tested code.
• Identify and fix performance bottlenecks and UI issues.
• Participate in code reviews and promote best practices.

Skills

React Native

JavaScript

TypeScript

Cross‑platform apps

BLE integration

REST APIs

Git & CI/CD

UI/UX best practices

Communication

Tools

Swift

Kotlin

BLE libraries

Jest

CircleCI

Job description

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 Summary

We’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.

Responsibilities

• Build, 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.

Qualifications & Experience

• 5+ years using React Native in production apps.
• Strong skills in JavaScript and TypeScript.
• 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.

Nice To Have

• 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.

Our Core Values

• Positivity & Pride
• Open & Honest Communication
• Teamwork & Kindness
• Empowerment & Responsibilites

At myenergi, our culture is shaped by the values we live every day. They guide how we work, how we treat each other, and how we deliver on our mission to create a greener, more sustainable future.

What Myenergi Offers You

• 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
• Long service awards
• Life Assurance - death in service
• 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.

myenergi are at the forefront of British renewable eco‑smart technology innovation and manufacture. Our brand new innovations complex is at the heart of the of the Humber Freeport, the epicentre of green technology in the UK. Our world renowned Zappi product was the world's first solar and wind compatible electric car charger in the world, well and truly putting British manufacturing back on the global stage!