Job Role: Full Stack Mobile Developer (iOS & Android) — .NET on GCP
Job Location: Sheffield, UK
Experience- 3+ Years of experience building mobile apps for both iOS and Android , using native and/or cross-platform approaches.
Work Type: Hybrid
Note : Not open for sponsorship case
.
About Compan
y:At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 14,700+ and has 55 offices in 20 countries within key global markets. For more information on the company, please visit our websi te or LinkedIn communi t
y.
Diversity, Equity, and Inclus
ionDiversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and an affirmative-action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Differen ce’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and mo
re.All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by l
aw.
Role purp
ose:Design, build, and maintain high-quality mobile applications across iOS and Android, working end-to-end from mobile UI through to integration with backend services running on .NET and hosted on Google Cloud Platform (GCP). You’ll collaborate closely with product, design, backend, and cloud teams to deliver secure, performant, and scalable mobile experien
ces.
Key responsibili
- ties:Design and develop high-performance, scalable mobile applications for iOS and And
- roid.Build and maintain reusable mobile components, UI patterns, and app architecture aligned to engineering stand
- ards.Integrate mobile apps with backend services on GCP using REST/JSON (and where relevant GraphQL), including authentication and secure data hand
- ling.Contribute to backend/API integration work (and occasionally service improvements) in a .NET ecosystem to support mobile feat
- ures.Ensure reliability, responsiveness, and strong user experience across a range of devices, OS versions, and network conditions (including offline considerations where nee
- ded).Implement automated testing, participate in code reviews, and support CI/CD pipelines and release proce
- sses.Monitor and optimize app performance, stability, battery usage, and telemetry; troubleshoot production is
- sues.Ensure compliance with enterprise security, data privacy, and secure coding pract
- ices.Contribute to agile ceremonies (planning, refinement, stand-ups) and deliver iteratively with the
team.
Skills required (experience and capabili
- ties):3+ years’ experience building mobile apps for both iOS and A ndroid, using native and/or cross-platform appro
- aches.Native: Swift/S wiftUI (iOS), Kotlin/J etpack (An
- droid)Cross-platform (nice to have): A
- ngularStrong understanding of mobile app architecture, design patterns, performance optimization, and debu
- gging.Solid experience integrating mobile apps with backend services via RESTfu l APIs, JSON, and secure authentication flows (e.g., OAuth2/OIDC conc
- epts).Working knowledge o f .NET backend development and API fundamentals (able to collaborate effectively and contribute where ne
- eded).Familiarity with GCP-hosted services and mobile-relevant cloud components (e.g., Firebase, Cloud Functions, Pub/Sub or equival
- ents).Experience with CI/CD and release tooling (e.g., GitHub Actions, Fastlane, Bitrise, Azure DevOps or sim
- ilar).Understanding of security best practices for mobile (secure storage, certificate pinning awareness, threat modelling min
- dset).Strong communication skills and a collaborative approach across engineering, product, and d
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