Senior Mobile Engineer

Skin Analytics; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading health tech company in London is seeking a Senior Mobile Engineer to develop high-quality mobile applications. The role requires advanced React Native expertise and experience in mobile architecture leadership. Candidates should have a solid background in mobile CI/CD and a strong ability to integrate with REST APIs. The company offers competitive salaries, a share options package, and various employee benefits in a hybrid work environment.

Benefits

Competitive salary

Share options package

Private healthcare

25 days annual leave

Enhanced parental leave

Bike to work scheme

Training budget

Weekly catch-ups

Fun social activities

Qualifications

• 5+ years of experience in mobile app development, particularly in React Native.
• Ability to lead architectural improvements and ensure quality in mobile applications.
• Experience with crash reporting and performance monitoring tools.

Responsibilities

• Contribute to the development of reliable mobile applications using React Native.
• Propose and lead architectural improvements to the mobile codebase.
• Support the team in building structured mobile app patterns.

Skills

Advanced React Native experience

Deep understanding of iOS and Android build systems

Proficiency with CI/CD for mobile apps

Experience managing TestFlight and Play Store deployments

Experience with unit testing and integration testing

Strong ability to integrate with REST APIs

Proficient in Git

Comfortable using tools like Jira and TestRail

Experience working in cross-functional teams

Job description

Want to join a team of passionate people who want to build a future where no one dies from skin cancer?

About us

Skin Analytics is an award-winning, health tech company that works with dermatology teams to deploy world-leading skin cancer pathways using AI as a medical device, DERM.

Following our recent £15M series B funding round and regulatory milestones, we're ready to scale internationally, making history for AI in healthcare and the future of dermatology.

We're proud to epitomise AI for good - with a Class III CE mark, DERM is the only AI as a medical device approved to make clinical decisions autonomously in the cancer space, as well as being the first company to receive a NICE recommendation for use across the NHS.*

DERM is deployed at more than 25 NHS organisations where we're supporting dermatology teams to build sustainable services that enable patients to gain quicker access to skin cancer diagnosis. If that's not enough, we also collaborate with some of the largest health insurers to reach patients in their own homes.

We are a team of passionate people on a mission to build a future where no one dies from skin cancer.

London based - Hybrid (3 days a week in the office)

As a Senior Mobile Engineer you will contribute to the development of high-quality, reliable, and compliant mobile applications for our products, using React Native across iOS and Android platforms. They will play a key role in delivering clinically safe features, improving mobile architecture, and ensuring releases meet both user needs.

Key Responsibilities

• Be the expert - bring senior-level React Native expertise to raise technical quality and reduce bugs/performance issues.
• Mobile Architecture Leadership - proposes and leads architectural improvements to the mobile codebase.
• Collaborative working - Support the team in building structured, scalable mobile app patterns.
• Act as a bridge - between product ideas and compliant mobile implementation.
• Champion traceability and test automation - reducing manual QA effort.
• Help shape mobile CI/CD and release processes - to be repeatable, auditable, and efficient.
• Review code with care - raise the bar on mobile engineering maturity.
• Calm, quality-first mindset - especially when balancing delivery with safety-critical obligations.

We want to hear from you if you

Have experience in:

• Advanced React Native experience, including hooks, navigation, styling, and performance optimisation
• Deep understanding of iOS and Android build systems, provisioning, certificates, and store requirements
• Proficiency with CI/CD for mobile apps using tools like Fastlane or GitHub/Bitbucket Pipelines
• Experience managing TestFlight and Play Store deployments, including internal/beta testing tracks
• Experience with unit testing, integration testing, and preferably end-to-end testing using tools (e.g. Appium)
• Familiarity with crash reporting and performance monitoring tools
• Strong ability to integrate with REST APIs, manage secure authentication flows, and handle offline scenarios
• Basic understanding of backend systems (e.g. Node.js, AWS) to debug issues and contribute to API design discussions
• Proficient in Git, with best practices for branching, tagging, and changelogs
• Comfortable using tools like Jira, TestRail, and writing technical documentation
• Experience working in cross-functional teams with QA, Product, and Regulatory

Skin Analytics manufactures medical devices and complies with ISO standards 13485 and 27001. As part of your employment, you will be assigned Quality Management System (QMS) and Information Security Management System (ISMS). We require that our employees agree to complete their assigned training and diligently follow all company quality management and information security processes.

*The National Institute for Health and Care Excellence has recommended DERM for use within the NHS until May 2028, while further evidence is gathered.

Competitive salary

Share options package - all our employees have ownership in the company

Private healthcare

25 days annual leave (5 day company shutdown in August + bank holidays)

Enhanced parental leave - includes adoption & foster

Bike to work scheme

Training budget

Weekly catch-ups, monthly meetings to talk about you, your ambitions and make plans

Lots of fun social activities including company offsite!

Our Values

Building a Strong Foundation

Always Learning

Lead from the Front

Tough and Resilient

The Real Stuff

Skin Analytics embraces and is committed to diversity and equal opportunities. We are dedicated to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better our work will be.