> Markdown version of [/jobs/ext/2797634-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/2797634-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Engineer

- **Company:** Cathcart Technology
- **Location:** Edinburgh, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Adobe InDesign, Agile Methodology, Android Software Development, Kotlin, React Native
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840570808-senior-software-engineer

## About the Role

They're an Agile squad of Engineers, covering a range of experience levels. On a day-to-day basis, you'll work across native Android and React Native codebases - building and refining critical Android features while also contributing to React Native performance and maintainability.

You'll regularly participate in design discussions and technical decisions, with the freedom to propose solutions and help shape the team's approach. As a Senior Engineer, you'll also mentor and support other Engineers, sharing expertise in Kotlin, native Android optimisation, and cross-platform integration.

You'll ideally have good experience with most of the following;

 * Native Android development with Kotlin
 * Delivering production React Native applications
 * Mobile performance profiling and optimisation
 * Strong awareness of best practices, testing, and CI/CD pipelines
 * Working effectively within Agile teams

The following experience is highly desirable;

 * Improving app scalability and performance
 * Mentoring and supporting Engineers



## Related Videos

- [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse)
- [Challenges of building React and React Native apps](https://www.wearedevelopers.com/videos/448-challenges-of-building-react-and-react-native-apps)
- [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle)
- [Building Better Apps with React Native](https://www.wearedevelopers.com/videos/1466-building-better-apps-with-react-native)
- [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it)
- [Moving from Java to Kotlin](https://www.wearedevelopers.com/videos/384-moving-from-java-to-kotlin)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025)
- [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)