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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Developer (Mobile) - **Company:** Post Office Ltd - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Android Software Development, Apple IOS, Application Release Automation, Build Automation, Cascading Style Sheets (CSS), Cloud Engineering, Static Program Analysis, Continuous Integration, Data Structures, Distributed Systems, Amazon DynamoDB, Github, Mobile Application Software, Key Management, Open Web Application Security, Performance Tuning, Scrum Methodology, Cloud Services, Standard Sql, TypeScript, Web Content Accessibility Guidelines, Test-Driven Development (TDD), ReactJS, Non-relational Database, React Native, Api Gateway, Restful APIs, Serverless Computing, Vulnerability Analysis, Microservices - **Published:** June 5, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=7c856db853a41e25 ## About the Role Do you have experience in iOS?, Success will be achieved by applying well-architected code, robust full-stack integration with Post Office digital services, strong CI/CD automation, and a culture of technical excellence. This role is for an experienced leader who has delivered eCommerce/retail-grade mobile applications at scale, with production experience in React Native (TypeScript) and cloud platforms (e.g., AWS), and who thrives in Agile environments., * 2-3 years of hands-on team leadership and mentoring (goal setting, feedback, coaching, performance growth), with experience coordinating multiple workstreams * 5+ years' experience developing applications in a variety of languages and frameworks including ReactNative, TypeScript, Java, JavaScript, React, HTML, SCSS / CSS. * Production experience building and scaling ReactNative iOS and Android apps, including navigation, state management, offline patterns, native modules/bridging, and performance tuning (e.g., Hermes, Flipper). * Experience of cloud-native micro-services and distributed systems (ideally AWS) * Experience with serverless cloud services (Lambda/Api Gateway/Cognito/DynamoDB) * Understand and appropriately implement the WCAG (Accessibility) principles, guidelines and success criteria implemented * iOS and Android app store submissions, code signing/provisioning, TestFlight/Play Console, Fastlane, phased rollouts, and OTA update strategies (e.g., CodePush/EAS Update) * Strong understanding of data structures and architectures, using relational and/or non-relational database approaches with the ability to query using SQL * A strong understanding of test-driven development and testing conventions * Experience of developing and supporting RESTful APIs * Practical experience designing and maintaining CI/CD pipelines (GitHub Actions), including automated builds, tests, static analysis, security scans, and release automation * Experience of release processes and governance * Experience of full-stack software development principles, architecture and conventions * Experience of a wide range of SLDC methodologies, including Waterfall, Agile Scrum, Kanban, behavioural-driven development (BDD), and continuous integration * Understanding of security by design (OWASP MASVS/Mobile Top 10), secure storage, certificate pinning, secrets management, encryption in transit/at rest, GDPR/privacy considerations ## Description The Lead Developer will define the technical direction, lead and mentor a team of Senior and Mid-Level Software Engineers, and own the end-to-end development and delivery of the Post Office Mobile Travel App and in-branch Government Service applications. You will be a key driver in leveraging modern engineering practices and cloud services to deliver secure, high-quality, scalable mobile experiences across iOS and Android., Our commitment to embracing diversity extends beyond just words. We actively foster an inclusive workplace that values the unique perspectives and contributions from all colleagues. We hold the belief that Equity, Diversity, and Inclusion are not just vital but fundamental to our success and growth. Our priority lies in shaping a business that mirrors the diverse communities we reach, truly making Post Office 'Everybody's Business'. As an equal opportunity employer, we value and celebrate the differences among our people, ensuring that our practices reflect our dedication to inclusivity and equal representation for all. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [Making the switch from web to mobile development](https://www.wearedevelopers.com/videos/274-making-the-switch-from-web-to-mobile-development) ## 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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)