7 of 7 Contract iOS Development Jobs in London

NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) Outside IR35 9-12 Month Initial Contract | Start ASAP | Likely Extension To apply, email: THE OPPORTUNITY A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine … learning features such as NLP and recommendation systems. THE ROLE Develop and deploy iOS apps (Swift/Objective-C, iOS SDK, App Store). Integrate RESTful APIs and backend services into iOS applications. Embed AI/ML features (NLP, recommendation engines) into mobile workflows. Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). … TECH STACK/REQUIREMENTS Experience managing projects end-to-end (greenfield exp.) Strong expertise in iOS development (Swift/Objective-C, iOS SDK, App Store deployment) Track record delivering secure mobile applications (fintech preferred) Experience integrating AI/ML components into mobile apps Security/compliance awareness (GDPR, OAuth, encryption) Exposure to backend development More ❯

NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) Outside IR35 9-12 Month Initial Contract | Start ASAP | Likely Extension To apply, email: THE OPPORTUNITY A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine … learning features such as NLP and recommendation systems. THE ROLE Develop and deploy iOS apps (Swift/Objective-C, iOS SDK, App Store). Integrate RESTful APIs and backend services into iOS applications. Embed AI/ML features (NLP, recommendation engines) into mobile workflows. Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). … TECH STACK/REQUIREMENTS Experience managing projects end-to-end (greenfield exp.) Strong expertise in iOS development (Swift/Objective-C, iOS SDK, App Store deployment) Track record delivering secure mobile applications (fintech preferred) Experience integrating AI/ML components into mobile apps Security/compliance awareness (GDPR, OAuth, encryption) Exposure to backend development More ❯

iOS Developer (Swift) 6 - 9 Months 2 days on-site (London) £450 - £480 per day Our client, a leading travel company, is seeking an experienced iOS Developer with strong data engineering and visualisation skills to join on a contract basis. This role sits within their internal digital team and will focus on enhancing a proprietary staff … engaging way. These new features will help drive visibility, improve engagement, and support ongoing performance initiatives. Key Responsibilities Develop and integrate new data visualisation features into the existing iOS app Write SQL for ETL processes (primarily on Teradata), moving data into AWS Cloud Translate datasets into accessible, engaging visualisations Work closely with stakeholders to gather requirements, feedback, and … through tools like Figma to ensure user-friendly delivery Support UAT and assist non-technical users during rollout Ensure security and compliance standards are met Technical Requirements Strong iOS development skills (Swift, MVVM framework) SQL and ETL experience, ideally with Teradata and AWS S3 Proven experience building or embedding data visualisation within mobile apps Exposure to More ❯

iOS Developer - SwiftUI | Combine | FS | Onsite (UK/EU) Location: Onsite in Canary Wharf 5 days per week(UK/EU) Contract Type: Contract Salary: Up to £350 per day outside IR35 Start Date: ASAP We're seeking a highly skilled Senior iOS Developer to join a fast-paced engineering team building secure, high-performance mobile … applications for the financial sector. You'll lead the design, development, and deployment of iOS apps using Swift, SwiftUI, and Combine, with a strong focus on clean architecture, security, and testing standards. Key Responsibilities: Build and maintain scalable iOS applications using Swift, SwiftUI, and Combine Design intuitive user interfaces with modern SwiftUI components Integrate … RESTful APIs and manage advanced networking logic Implement iOS security best practices and support penetration testing Lead end-to-end delivery from requirements gathering to deployment Write and maintain unit and UI tests for robust app performance Collaborate cross-functionally with product, design, and engineering teams Manage GitLab workflows, CI/CD pipelines, and release cycles Required Skills More ❯

work closely with both technical and non-technical team members to evaluate existing functionality, identify areas for improvement, and implement data-driven enhancements. Responsibilities: Work with the existing development team to understand the current app and its components. Enhance the app's features with additional statistics, visualisation, and gamification elements . Build and optimise data pipelines for pulling … app and recommend improvements. Ensure smooth integration of Swift/Swift UI features into the app. Support app testing and validation of new features. Requirements: Proven experience in iOS development (Swift, Swift UI) . Strong background in SQL (data processing, manipulation, and pipelining). Ability to analyse and transform data for app insights and reporting. Strong More ❯

Mobile Developer (iOS/Android) Smart Home/IoT Apps Location: UK/EMEA (Fully Remote) Rate: £300 £400 per day We are seeking a talented and creative Mobile Developer (iOS/Android) to join our clients fast-growing digital and smart home technology team . You will be working on the design, development … profile projects , working within a collaborative, forward-thinking environment that blends mobile, IoT, cloud, and real-time communication technologies . Key Responsibilities Develop, test, and deploy high-quality iOS and Android applications (native or cross-platform). Collaborate with product managers, designers, and backend engineers to define and deliver new features. Ensure code quality, performance, and reliability across … Implement push notifications, scheduling, and device control features. (Optional) Contribute to voice/video communication features using SIP or WebRTC. Stay up to date with the latest mobile development trends, frameworks, and tools . Participate in code reviews, testing, and debugging. Skills & Experience Proven experience as a Mobile Developer with a strong portfolio of published apps (iOS More ❯

Contract iOS App Developer - Data VisualisationLondon - Hybrid Up to £480 per day (Inside IR35)6-9 month project Harnham are working with a leading organisation who are expanding their staff-facing mobile app, used by thousands of employees every day. The app is already live, and the next phase is to bolt on new functionality around data visualisation … engaging dashboards. This is a contract opportunity to play a key role in shaping how data is presented and consumed within the app. The Role As a Contract iOS App Developer, you will: Integrate new data visualisation features into an existing app using SwiftUI. Work closely with UX designers, data engineers, and product managers to deliver a seamless … intuitive dashboards that make performance data clear and engaging. Collaborate with a wider team - this is not a solo build, but a project with multiple stakeholders. Skills & Experience iOS App Development (SwiftUI essential) Strong SQL and data manipulation skills Exposure to data visualisation within apps (charts, dashboards, etc.) Knowledge of ETL processes (Teradata into AWS preferred More ❯