Senior iOS Mobile Developer jobs in West Sussex

iOS Developer | SportsTech | £55k + Stock Options | Remote Fancy building mobile apps that help professional athletes push their limits? One of the UK's leading SportsTech firms is on the lookout for a Mid–Senior iOS Developer to join their growing engineering team. Their platform is already making waves in elite sport, and they've got big plans to expand into new disciplines. You'll be joining...

Mid-Level iOS Engineer | Swift | Salary £50–65k | Fully Remote (UK-based, with the option to work abroad a few weeks a year) Would you like to build products that bring millions of people together around a shared passion? I'm working with a company whose technology helps people across the world get more out of the hobby they love. Their platform supports a huge global community, and this is a...

iOS Developer – SaaS / Field Service Platform Salary: £60,000–£70,000 Location: Ireland or UK (preferably NI or Leeds area) Work pattern: Fully flexible hybrid (remote-friendly) Our client is a homegrown SaaS success story – a multi-award-winning software company developing a leading mobile workforce management platform used across the UK and Ireland. Their solution is trusted by...

Overview AUDITSU is developing a proprietary automation system to explore and analyse mobile applications at scale. We're looking for an engineer who understands the internals of Android automation frameworks and enjoys solving problems that don't yet have established answers. This is a 60-day R&D contract with defined outcomes, full technical autonomy, and scope for continued...

Mobile Developer Location: Remote, must be based in the UK (occasional office visits in Exeter) Security Clearance: Must be SC Clearable Are you a skilled Mobile Developer with a passion for building high-quality apps using Flutter? Do you have hands-on experience with Android or iOS platforms and a desire to work on impactful solutions? If so, we'd love to hear from you. Join our...

You will be a champion of Object-Oriented programming and software engineering principles

Job Title: Senior Mobile Engineer / Architect (iOS / Android) Location: Remote – UK Salary: £130,000 - £150,000 The Company This isn't your typical mobile app startup. The company is redefining what's possible in real-time interaction and remote collaboration, powering zero-download, enterprise-grade screen sharing and co-browsing used by some of the biggest brands in the world. Their...

Senior Unity Engineer x5 - AAA Mobile Games Remote (UK or Europe based) | Japan HQ Studio | Full-time | Option to Relocate to Japan A Japan-headquartered AAA mobile game studio is expanding its team because of huge new funding and some very big upcoming releases that need to be worked on. With over 2 million daily players, they're building sophisticated, large-scale titles that combine...

Mobile QA Tester (Spanish-Speaking) Remote (UK-Based) 6 Month Contract A great opportunity for an experienced Mobile QA Tester fluent in English and Spanish (es-ES) to join a leading edtech company as they continue to deliver new features and updates across their English and Spanish mobile apps. The Mobile QA Tester will focus on testing across both iOS and Android versions, ensuring...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

You will be helping us maintain and grow our Salesforce platform, used by our internal sales & service agents, our customers through our mobile app and online account, as well as prospective customers looking to join us.

You will have strong experience leading teams, solving technical challenges and owning technical delivery.

Most "web developers" can't do this job. Why? Because most have only ever built sites using templates WordPress themes, Shopify stores, Wix layouts. But Bounce? We didn't touch any of that. Every single line of code was written from scratch. The backend, the frontend, the pages all bespoke. We've built a fully custom third-party ticketing platform to compete with Eventbrite, Dice, and...

You will be a Senior level App Developer to join an in-house team to help develop and launch two exciting new products that will form a key part of the company proprietary event technology suite. Working closely with the CTO, following clear technical requirements along with an experienced Developer and the Head of department to bring both apps to life, from initial build to live deployment.

You will mentor a small team of 3 talented developers while remaining hands-on with coding and solution design. You'll help define how software is built, scale systems, and influence the technical direction of a globally used SaaS product. You'll be supported by a collaborative leadership team that values technical excellence, autonomy, and personal growth.

Senior React Native Engineer | Up to £90k + Amazing Benefits | Hybrid UK (1 day per month in London office) Maze has been engaged by award-winning UK online retail business who is looking for a Senior React Native Engineer to join its growing team. The company partners with major global brands, attracting over 8 million monthly users. You'll play a key role in scaling and shaping a highly...

App Developer (6-Month Contract) Location: hybrid - 1-2 times onsite a month for meetings in Birmingham. Start Date: January/ February Contract Duration: 6 Months (Outside IR35) About the Role: On behalf of our client, we are seeking a talented App Developer to design and build a fully functional e-commerce mobile application for our client retail business. The app will be available for...

You will be instrumental in the end-to-end development, maintenance, and optimization of our core mobile applications, ensuring seamless functionality and native-like performance across iOS and Android. This role demands a strong focus on maintaining code health and enhancing existing native modules to push the boundaries of our products.

Full Stack Developer Location: Remote UK (first week on site at Altrincham office, WA14 5UW, travel and accommodation covered) Hours: Full-time, Mon-Fri, 9:00-17:00 Start Date: February 2026 Salary: £45-50k Due to ongoing expansion and internal progression, we're now looking for a Full Stack Developer to join our wider Web and DevOps team. You'll work on high-impact, modernisation projects,...

At American Express, our culture is built on a 175-year history of innovation, shared and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, you'll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your...

Senior Full Stack Developer – SaaS / Field Service Platform Salary: £60,000–£70,000 Location: Ireland or UK (preferably NI or Leeds area) Work pattern: Fully flexible hybrid (remote-friendly) Our client is a homegrown SaaS success story – a multi-award-winning software company developing a powerful field service management platform used by mobile workforces across the UK and Ireland. Their...