> Markdown version of [/jobs/ext/346629-mobile-app-developer-uk](https://www.wearedevelopers.com/jobs/ext/346629-mobile-app-developer-uk). 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). --- # Mobile App Developer (UK) - **Company:** Sign Language Interactions Ltd - **Location:** Glasgow, UK - **Experience:** Experienced - **Salary:** £40,000.0 - £45,000.0 - **Contract:** Permanent contract - **Skills:** Apple IOS, Application Performance Management, C++ (Programming Language), Mobile Application Development, Communications Protocols, Design of User Interfaces, Hypertext Transfer Protocols (HTTP), Internet Protocol, Mobile Application Software, JSON, Object-Oriented Software Development, Rapid Application Development, Video Encoding, WebRTC, Extensible Markup Language (XML), Multithreading, Kotlin, Objective C++, Restful APIs - **Published:** June 17, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=aecb476917a4b5af ## About the Role Do you have experience in iOS?, Do you have a Bachelor's degree?, * Minimum of a 4 Year / Bachelor's Degree in CS, EE, or with excellent grades or equivalent experience, * 4+ years' experience developing state-of-the-art mobile applications Knowledge, Skills, and Abilities Essential * Competent in Kotlin, Swift development, Objective-C * Strong knowledge of native development for Android and iOS, including UX/UI * Strong understanding of software algorithms, structures, and patterns * Excellent object-oriented design and analysis skills * Experience developing high-quality, multi-threaded applications * Must possess good communication skills and be eager to work in a team environment with other dedicated engineers Positive attitude and team player * Able to work collaboratively with colleagues across departments to achieve shared objectives Desirable * Competent in C++ * Experience with text, voice, or video communication applications * Experience with conferencing protocols such as WebRTC and SIP * Familiarity with IP networking and telephony experience a big plus * Experience with video encoding/decoding ## Description We are seeking a skilled and innovative Mobile App Developer to join our dynamic technology team. In this role, you will be responsible for designing, developing, and maintaining high-quality mobile applications that support Sorenson's mission of accessible communication solutions. You will collaborate closely with cross-functional teams to deliver user-centric, scalable, and secure apps for both iOS and Android platforms. This role requires a strong foundation in mobile development frameworks, a keen eye for UI/UX, and a commitment to building innovative solutions that support the Deaf and hard-of-hearing community., * Provide technical and team leadership in the design, implementation, and testing of high-performance, high-quality video communication applications for Android and iOS operating systems * Deliver innovative solutions that increase application performance, usability, and fit for our target customers * Knowledge of UX/UI design is essential and usage of Android and iOS design packages is a requirement * Implement standards-based communication protocols and related technologies including XML, JSON, HTTP, and REST * Provide attainable goals and time frames * Drive standards-based architectures and supporting services * Use of agile and rapid application development processes to speed engineering efforts * Follow engineering best practices in a team environment to develop high-quality products including writing automated unit, component and feature level testing * Contribute to the overall enterprise architecture and the development of product features ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Transforming Education: A Journey from interactive Markdown to Remote-Labs](https://www.wearedevelopers.com/videos/941-transforming-education-a-journey-from-interactive-markdown-to-remote-labs) - [Unleash your web skills on native!](https://www.wearedevelopers.com/videos/122-unleash-your-web-skills-on-native) - [Raise your voice!](https://www.wearedevelopers.com/videos/10-raise-your-voice) - [Hello JARVIS - Building Voice Interfaces for Your LLMS](https://www.wearedevelopers.com/videos/1641-hello-jarvis-building-voice-interfaces-for-your-llms) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Dev Digest 118 - not a total recall](https://www.wearedevelopers.com/magazine/452-dev-digest-118-not-a-total-recall) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette)