Senior App Engineer

United KingdomRemoteFull-timesenior

OtherEngineer

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Quick Summary

Overview

Fully Remote (UK based) | Competitive Salary + Bonus + Gifted Equity | B Corp Certified TrustedHousesitters is a fast growing, direct-to-consumer marketplace that is redefining pet care and travel.

Technical Tools

OtherEngineer

Fully Remote (UK based) | Competitive Salary + Bonus + Gifted Equity | B Corp Certified

TrustedHousesitters is a fast growing, direct-to-consumer marketplace that is redefining pet care and travel.

Here at TrustedHousesitters, we’re on a mission to make travel work better for pets, for their people, and for the global community of animal lovers who look after them. We’ve got big plans on becoming the world’s most-loved travel solution for pet people. We’ve built something pretty special: a trusted place where pet owners and sitters connect to keep pets happy at home while their humans explore the world.

We’ve already grown into a global community with members in over 140 countries, a product people genuinely love, and a team of more than 100 brilliant humans powering it all.

But we’re only just getting started. Our goal? To grow to 1 million members and make TrustedHousesitters the world’s most-loved travel solution for pet people.

At the moment, a sit starts every two minutes somewhere on the planet. We want that to be every single minute and we know the only way we’ll get there is with the right people in the right roles.

The right people in the right roles will shape our future. So, here’s the big question: Could that be you?

We are seeking a highly motivated Senior App Engineer to join our Member Experience squad within the Member Lifetime Value organisation. This squad is instrumental in delivering a premium experience to our members and plays a vital role in our strategy to scale from 250,000 to 1 million members.

This role is centered on mobile development with a strong emphasis on user experience, performance, and accessibility. Operating within a collaborative, experimentation-driven environment, you will have significant autonomy and ownership over the features that define how pet owners and sitters connect globally.

Technical Leadership: Lead technical discovery, architectural planning, and the end-to-end implementation of complex product features.

Engineering Excellence: Develop and maintain high-performance, accessible, and engaging mobile interfaces using React Native and Expo.

Cross-Functional Partnership: Collaborate closely with Product Managers, Designers, and stakeholders to align technical execution with business objectives.

Mentorship & Quality: Enhance the capabilities of the engineering team through active pairing, comprehensive code reviews, and structured knowledge-sharing.

Scalable Architecture: Maintain and evolve scalable mobile architectures, ensuring adherence to secure coding practices and performance optimisation standards.

Product Iteration: Contribute to a culture of measurement and continuous improvement, utilising data and user feedback to refine the product.

Technical Proficiency: 4+ years of professional experience in mobile application development, with deep expertise in React Native and JavaScript/TypeScript.

Platform Expertise: Proven hands-on experience with Expo and modern JavaScript build tooling (e.g., Webpack, Vite).

Architecture & Standards: Strong understanding of scalable mobile architectures, accessibility (a11y) standards, and mobile performance optimisation.

Integration: Experience collaborating with API developers and successfully integrating complex third-party platforms.

Operational Awareness: Familiarity with CI/CD pipelines and automated testing/observability strategies (e.g., GitHub Actions, Sentry).

Communication: Exceptional communication skills with the ability to articulate technical strategy to both technical and non-technical audiences.

Nice to Have

~1 min read

Full-Stack Capability: Production-grade experience with React for web and backend frameworks (preferably Python/Django and Django Rest Framework).

Emerging Technologies: Experience integrating AI/ML-powered tools to enhance user personalisation or automation.

Data-Informed Growth: Familiarity with A/B testing frameworks and data-driven product experimentation.

Observability: Experience leveraging tools such as Datadog to monitor and improve application health.