Senior Mobile Software Engineer

Join us in London, UK as a Founding Mobile Engineer (Flutter) at Aurora, where you’ll build a next-generation lifestyle management app for elite individuals and organizations.Salary: £120,000 - £140,000Equity: 0.5–1%We foster a collaborative in-person culture while offering flexible remote work days. European visa sponsorship is available.About AuroraAurora is a pioneering digital lifestyle management platform designed for high-performing individuals and organizations. Our esteemed members include top-tier founders, executives, athletes, and families who trust us to manage their complex needs across travel, dining, experiences, luxury purchases, and health.Our mobile-first application is conversational, proactive, and available 24/7 worldwide. Members engage with Aurora multiple times daily, often relying on us for critical, time-sensitive decisions. Therefore, the performance, reliability, and user experience of our product are paramount. We leverage frequent user feedback to continuously enhance and optimize our platform.We are proud to report early success with metrics like 51% Daily Active Users (DAU) and 95% Weekly Active Users (WAU), alongside transaction volumes that exceed industry benchmarks by five times within our initial three months.Led by Alex Macdonald, a distinguished figure in our industry, we have secured $5M in funding from seasoned operators and top investors, enabling us to build an exceptional product with outstanding engagement from paying customers.As we scale, we are expanding our engineering team based out of our London office in Belgravia, where collaboration is key.The RoleWe are seeking a hands-on Founding Mobile Engineer (Flutter) to work closely with our CTO and Product Manager on our mobile application. In this role, you will develop a product designed for daily use by discerning users, significantly impacting their global lifestyle.You will take ownership of core components of the app from implementation to release, having a substantial influence on technical decisions and product evolution. Attention to performance, reliability, and UX is critical, as even minor issues can affect user experience.We aim to create a multi-modal and voice-first application, allowing seamless access for all members of the organization, including partners and assistants. You will report directly to the CTO, with opportunities for growth into more senior roles in product and engineering.

Join TransPerfect, a forward-thinking organization with a vibrant startup culture, as a Mobile Engineer specializing in Flutter. In this pivotal role, you will be instrumental in creating outstanding user experiences for both iOS and Android platforms. This full-time hybrid position encourages both independent and collaborative efforts within a dynamic team dedicated to delivering cutting-edge products.Your expertise in developing mobile applications using Flutter will be essential as you build new components and features from the ground up. You will be part of a team that values innovation and creativity, ensuring that our clients receive the best possible service through our technological advancements.About the Team: The TechOps team at TransPerfect has played a crucial role in our company's achievements over the last decade, streamlining processes for clients and colleagues alike. Our work ranges from enhancing workflows to developing core services that power our GlobalLink platform, all aimed at simplifying complex ecosystems for users.Your Responsibilities:Act as the subject matter expert on mobile app development, guiding the team in defining best practices, design thinking, and deployment processes.Collaborate closely with product managers, engineers, designers, and QA teams to create engaging user experiences on both iOS and Android platforms.Lead the delivery of significant mobile app features, components, and comprehensive application solutions in partnership with technical leads and senior engineers.Thrive in an agile environment while managing internal and external implementation requirements and expectations.Provide constructive feedback to technical staff throughout the software lifecycle to align development priorities with business objectives.Write clean, efficient, and maintainable code in accordance with best practices and coding standards.Stay informed on the latest trends, technologies, and best practices in mobile development.

AJ Bell seeks a Senior Flutter Engineer to design and build mobile applications. This position involves close collaboration with teams throughout the company to deliver reliable and seamless user experiences. Role overview This role focuses on developing mobile apps using Flutter. The Senior Engineer will contribute to key software projects and ensure that applications meet high standards for usability and performance. Collaboration Working alongside cross-functional teams, the Senior Flutter Engineer will support the delivery of important projects and help shape the direction of AJ Bell’s mobile offerings. Location This hybrid role is based in Manchester or London.

Role Overview London Fire Brigade is hiring a Mobile Engineer based at Heathrow, London. This position focuses on maintaining and supporting mechanical, electrical, and plumbing systems across a network of fire stations. The role combines planned preventative maintenance (PPM) with reactive fault diagnostics to keep essential services running smoothly. Working Hours Monday to Friday, 40 hours per week Salary Competitive What You Will Do Carry out planned maintenance following SFG 20 standards across 51 London fire stations. Complete engineers' worksheets with thorough reports and images documenting work completed. Identify lifecycle replacement needs and address remedial issues discovered during PPM visits. Respond quickly to reactive maintenance calls, aiming for first-time fixes whenever possible. Work closely with colleagues to deliver reliable service and maintain operational efficiency. Health & Safety Follow strict Health & Safety protocols, including Method Statements and Risk Assessments while on site. Who We’re Looking For Successful candidates will show a strong commitment to teamwork and take a proactive approach to solving problems.

Join Relay, where we are revolutionizing the logistics landscape in the digital age. With the backing of Europe’s largest logistics Series A funding ($35M), spearheaded by forward-thinking investors like Plural, we are scaling at an unprecedented rate, outpacing 99.98% of other venture-backed startups. Our mission is to build an exceptionally talented team that will redefine the logistics industry.Our Vision: To eliminate barriers in commerce. High delivery costs currently act as a hidden burden on e-commerce, restricting what can be sold online and who can access it. We aspire to create an ecosystem where goods flow freely among people, ensuring a seamless shopping experience for everyone.About Our Team• Comprising approximately 110 professionals, over 50% of whom specialize in engineering, product, and data• 45+ advanced degrees in fields like computer science, mathematics, and operations research• Thousands of data points meticulously managed for each parcel that we handle• An intellectually stimulating culture driven by first-principles thinking, quick feedback loops, and continuous experimentation.Work with Industry InnovatorsDiego Protas – Director of EngineeringDiego possesses expertise in distributed systems and hardware architecture, integrating physical computing with large-scale enterprise infrastructure. His previous experience includes leading teams of over 170 engineers at Mercado Libre and executing extensive ML-based inference at Meta. At Relay, Diego infuses enthusiasm and hands-on guidance to set new standards in speed and reliability.Technology Stack OverviewCross-platform applications built with Flutter, emphasizing user experienceUtilizing Python, Rust, and TypeScript - we prioritize simplicity while employing the best tools availableCloud-native infrastructure on GCP featuring extensive use of BigQuery and Cloud RunRegular implementation of ML modeling and LLM inference - this is integral to our operationsInnovative tech integrations, including robotics and IoT-driven operationsYour ResponsibilitiesEngage across the full technology stack, from mobile applications to data infrastructure

Join Our Mission to Empower the UK's Small Businesses At Funding Circle, we believe that small businesses are the backbone of the economy, and we strive to provide them with the resources they need to thrive. Our innovative platform leverages smart data to deliver funding solutions in minutes instead of weeks.As a unique fintech company, we combine the dynamic energy of a startup with the stability of a publicly listed organization. This blend offers our team members the autonomy to make impactful decisions while driving significant change.We foster a high-performing culture that emphasizes collaboration and support. Together, we challenge each other, champion our successes, and ensure that everyone feels valued—because we understand that teamwork accelerates progress and enhances our work.Real Impact: Last year, businesses utilizing our platform contributed £7.2 billion to the UK economy. Come be a part of something meaningful![Explore Our Impact Report] | [Check Our Trustpilot Reviews]The Role Location: London (Hybrid) | In-Office: 2 Days | Competitive Salary + BenefitsWe are seeking a talented React Native Engineer to join our innovative team and work on a groundbreaking new product within our established financial services framework. You will excel in a fast-paced environment, adept at navigating uncertainty and solving complex challenges within a collaborative cross-functional team. Your contributions will be crucial in developing and scaling our Mobile App, enabling businesses to access flexible financing solutions. Your enthusiasm for technology and problem-solving skills will be key in advancing our mission.Collaborate within an agile, cross-functional team and technology guilds.Craft exceptional user experiences for our customers.Drive innovation through software development.Implement business functionalities using React Native for both iOS and Android platforms.Engage in code reviews, technical discussions, and collaborative efforts.Mentor and support your colleagues.Create unit, integration, and end-to-end tests to ensure robust code quality.

About FreetradeAt Freetrade, our vision is to simplify investing and make it accessible to everyone. By removing the complexities and high costs associated with investing, we empower millions to maximize their savings.Join us as we transform the investment landscape!We are expanding our team and seeking individuals who are eager to redefine the investment journey for our customers. If you are passionate about solving intricate problems and developing cutting-edge products, you will thrive in our environment.2026 is set to be a transformative year for us. Following our groundbreaking partnership with IG Group, we will continue as an independent entity while benefiting from the backing of a market leader.This year, we are ramping up our product development, introducing exciting features such as mutual funds, bonds, and family investment tools. We are also investigating how AI can enhance customer experiences.If you want to expand your technical expertise, develop new products, and work in a creative and innovative environment, this is the perfect opportunity for you!Why Join Our Engineering Team?Be part of a team that is revolutionizing the investment sector. As a Mobile Engineer, you will play a crucial role in creating and sustaining a scalable platform utilized by thousands daily. We embrace technical challenges, foster innovation, and provide solutions that truly matter. Here, your code will impact investors across the UK. Join us to turn your ideas into reality.The Freetrade Android application offers customers easy access to various investment opportunities in the UK, US, and EU markets.We are seeking a Mobile Engineer (Android) to join our dynamic team at Freetrade.This role requires a solid understanding of the Android platform, strong problem-solving abilities, and a commitment to skill enhancement while collaborating within a team-oriented environment.This is a unique chance to collaborate with experienced mobile engineers across both iOS and Android, enhancing your skills significantly.As part of our mobile engineering team, you will work on implementing new features while ensuring high customer satisfaction by addressing user queries and feedback. Collaborating with design, product, and QA teams, you will create user experiences that delight our customers.

About Freetrade Freetrade aims to make investing simple and accessible, helping millions manage and grow their savings. With a focus on affordability and clarity, the team is committed to reshaping how people invest in the UK and beyond. After a recent partnership with IG Group, Freetrade continues to operate independently while benefiting from the backing of an established industry leader. The company is rolling out new features in 2026, including mutual funds, bonds, family investment tools, and exploring AI-driven enhancements to the customer experience. Role Overview: Mid-Level iOS Mobile Engineer This position is based in London and focuses on building and improving the Freetrade iOS app, which gives customers access to investment opportunities across UK, US, and EU markets. The engineering team works on a platform used by thousands every day, tackling technical challenges and delivering solutions that matter. The environment encourages growth, collaboration, and innovation, with opportunities to learn from experienced engineers across both iOS and Android. What You Will Do Develop and implement new features for the Freetrade iOS app. Collaborate closely with design, product, and QA teams to create user experiences that meet customer needs. Respond to customer feedback and queries, helping to maintain high satisfaction. Contribute to prioritizing platform issues, technical debt, and architectural improvements. Support the delivery of a high-quality app and a strong developer experience. What We’re Looking For Solid understanding of the iOS platform and mobile development principles. Strong problem-solving skills and a desire to keep learning. Experience working collaboratively within cross-functional teams. Interest in building products that make a real difference for customers. Why Join Freetrade’s Engineering Team? Work on a scalable, impactful platform used daily by thousands. Be part of a team driving product innovation in the investment space. Grow your skills alongside experienced mobile engineers. Help shape the future of investing for a broad customer base.

About Checkout.com Checkout.com powers digital payments for brands such as eBay, ASOS, Klarna, Uber Eats, and Sony. The platform handles billions of transactions each year, making payments simple for businesses and consumers alike. Headquartered in London, Checkout.com operates from 19 offices across six continents. The team values performance and continuous improvement, working together to shape the future of fintech. Role Overview The Senior Mobile Engineer will help design and build mobile products that reach millions of users. This role focuses on creating user-friendly and scalable mobile experiences, collaborating with engineers and product leaders to deliver high-quality solutions. Responsibilities include defining architecture, leading technical investigations, and building the systems that support Checkout.com’s consumer products. What You Will Do Design and develop mobile experiences used by a global audience. Lead feature development from planning through deployment and ongoing support. Work closely with backend teams to align system capabilities with mobile needs. Champion best practices in testing, monitoring, and release processes to strengthen product reliability. Mentor team members, review code, and help shape the long-term technical direction for mobile at Checkout.com. Location This position is based in London.

airapps is seeking a Mobile DevOps Engineer to help improve and automate the development and deployment of our mobile applications. This position is based in the London Metropolitan Area. Role overview This role focuses on building and maintaining automation for mobile app development. The Mobile DevOps Engineer will work closely with cross-functional teams to strengthen deployment pipelines and support reliable releases. What you will do Automate development workflows for mobile applications Enhance and maintain continuous integration and deployment systems Collaborate with engineers and other teams to improve system reliability Requirements Experience with mobile application DevOps practices Strong collaboration skills Ability to support automation and deployment pipelines

Role overview ASOS seeks an iOS Engineer in London to help shape the mobile shopping experience for millions of users. This position centers on building and maintaining iOS applications that make shopping simple and enjoyable. What you will do Collaborate with designers, product managers, and fellow engineers to design and refine mobile features. Develop, test, and maintain iOS applications with a focus on quality and performance. Share ideas and feedback to help ensure the apps meet user expectations and continue to improve. Location This role is based in London.

Join Shawbrook as a Mobile Application Developer and play a crucial role in our mission to deliver innovative mobile solutions. You will be responsible for designing, developing, and maintaining high-quality mobile applications that enhance user experience and drive business outcomes.

About the RoleJoin us at SumUp, where our mission is to connect merchants and consumers, fostering the growth of local communities. With SumUp Pay, we are revolutionizing the banking experience, allowing consumers to effortlessly connect with their favorite small businesses while ensuring merchants enjoy free transactions.SumUp Pay simplifies money management for consumers, providing them with enhanced spending experiences and financial tools that are tailored for today's lifestyle—covering banking, card services, savings, and open banking functionalities.This pivotal engineering role involves taking full ownership of the SumUp Pay iOS application, where you will develop and ensure the quality of features that consumers use daily. You will collaborate closely with Backend Engineers, Product Managers, Designers, and Android Engineers to create polished, reliable, and impactful mobile experiences.

Join Our Team at incident.ioAt incident.io, we are revolutionizing the way teams handle incidents with our cutting-edge AI incident response platform. Our mission is to empower teams to significantly minimize incident response times while enhancing overall reliability. By integrating on-call management, incident response tools, AI-driven Site Reliability Engineering (SRE), and status updates into one seamless platform, we enable teams to react swiftly, reduce downtime, and keep customers informed.Since our inception in 2021, we have proudly assisted over 1,500 organizations, including industry leaders such as Netflix, Airbnb, and Block, in managing over 500,000 incidents. Each month, thousands of engineers, product managers, and support teams leverage incident.io to restore services more efficiently, maintain alignment during challenging times, and focus on what truly matters: building exceptional products.We are an ambitious and rapidly growing team that is passionate about our customers, the quality of our products, and creating exceptional user experiences. With $100M in funding from notable investors such as Index Ventures, Insight Partners, and Point Nine, alongside contributions from seasoned founders and executives from leading tech companies, we are poised for significant growth.Your RoleWe are on the lookout for our inaugural React Native Product Engineer to spearhead the development of our mobile application for both iOS and Android. You will enjoy a broad scope of responsibilities and the freedom to influence various aspects, from architecture and tooling to user experience and the release process.This is a unique opportunity to join us at an early stage and contribute to building something impactful: a product that aids individuals during high-stakes situations, helping them regain control and manage pressure effectively.If you are passionate about craftsmanship, user experience design, and making a tangible difference, we would love to hear from you. Although your primary focus will be mobile, you will collaborate across the tech stack with product engineers, designers, and project managers, delivering solutions that impact thousands of users.

ABM Industries Incorporated is hiring a Mobile Installation Engineer to support electrical building services across client sites in London. The position is based at Pier Walk and involves working Monday to Wednesday, from 8:00 AM to 5:00 PM, for a total of 40 hours per week. Role overview This role centers on planned preventative maintenance (PPM) and repairs of mechanical and electrical systems. The engineer will help maintain high standards of service and building performance for ABM’s clients. Main responsibilities Complete planned and reactive maintenance assigned by the Site Supervisor and Contract Manager, including electrical and mechanical PPM, minor building repairs, plumbing, and drainage tasks. Update and close out completed tasks using the site PDA maintenance system. Maintain quality workmanship and help ensure efficient building operations. Coordinate with subcontractors for both planned and reactive maintenance when required. Follow all site protocols and health and safety procedures. Keep accurate records of site activities and completed work. Inspect service conditions, respond to call-outs, and handle repairs as needed. Provide on-call support for emergencies outside regular hours if required. Work safely in various building environments, including at height using platforms and ladders. All necessary access equipment and PPE are provided. Ensure ABM-issued tools are safe and well maintained. Support the team and contribute to the success of the contract. Comply with ABM’s health, safety, and environmental policies. Carry out other duties as directed by management. Additional expectations This position involves flexibility to work across multiple sites and with a range of clients throughout London. Compensation Salary: Competitive

Greetings! We are Plum, your innovative saving and investing application dedicated to helping you grow your finances for a lifetime. Whether you're saving for your first home or planning for a sun-soaked retirement, Plum is here to support you.Since our inception in 2016, over 2 million users across 10 European markets have saved more than £2 billion through our intelligent automation and advanced AI. This is the magic of Plum! We've also received accolades from prestigious organizations, including Deloitte and Finder, for our outstanding contributions.Our success is thanks to our passionate team of over 200 Plumsters, who work collaboratively across Europe to fulfill our mission. We are now eager to welcome more talented individuals to join us on this exciting journey.The Team and the RoleWe are on the lookout for a customer-centric iOS Engineer to join our engineering team in London. Plum has been recognized multiple times by Apple, having been named App of the Day and holding a stellar rating of 4.6 stars with 53,000 reviews. In this role, you will be instrumental in developing the iOS version of Plum, enhancing the way our current and future users interact with their finances.Our Engineering PhilosophyWe prioritize sound engineering principles, creativity, uniqueness, and a healthy sense of curiosity. Our approach to using external frameworks is deliberate, and we aspire to craft simple, well-tested code that can be delivered rapidly.How We CollaborateOur teams operate in squads. Each squad is mission-driven and includes Product Managers, Designers, Backend and Mobile engineers, all aimed at developing and maintaining products, services, and tools that deliver an unforgettable user experience while addressing any operational needs from Plum's side. Squads are organized into Pillars that align with our distinct strategic business areas, and we place significant trust in data-driven and well-informed squads that take ownership of their work.As an iOS Engineer, you will be part of a Mobile engineering team that shares the same vision and enthusiasm for building an exceptional mobile experience that empowers users to achieve financial well-being.Your ResponsibilitiesDevelop a product that enhances users' financial well-being.Engage with Swift programming and stay updated on the latest iOS technologies.Possess in-depth knowledge of the complete iOS stack.Have experience in deploying and iterating on applications in the App Store.Collaborate closely with designers, transforming their visions into delightful user experiences.Understand the significance and impact of your contributions as a product person.Go above and beyond to add that extra touch of excellence.

Role overview Spotify is hiring a Senior Mobile iOS Engineer in London. The focus of this position is to build and enhance features for the iOS platform, shaping the listening experience for millions of users around the world. What you will do Design and implement new features for Spotify’s iOS app Collaborate with product, design, and engineering teams to deliver polished mobile applications Influence technical decisions that improve user experience and app performance Requirements Proven experience developing mobile applications for iOS Ability to work effectively with cross-functional teams Drive to create solutions that connect with a global audience Spotify Technology S.A. aims to unlock human creativity through the intersection of technology and music.

Motorway is looking for a Senior Android Engineer to join the team in London. This role centers on developing and refining mobile applications that help both the business and its users. Daily work brings close collaboration with designers, product managers, and fellow engineers to deliver reliable, user-friendly Android features. Key responsibilities Design, build, and maintain Android applications for Motorway Partner with cross-functional teams to launch new features and enhance existing ones Take part in architectural decisions, code quality discussions, and user experience improvements Collaboration and impact This position involves regular teamwork across disciplines, ensuring that the Android experience aligns with Motorway’s goals and user needs. Input on architecture and user experience is valued at every stage. Location The role is based in London.

About the Position Jane Street is on the lookout for a skilled Mobility/MDM Engineer with a robust background in mobile device management (MDM) and remote device solutions. In this pivotal role, you will be responsible for engineering, managing, and maintaining a rapidly expanding fleet of thousands of iOS and Android devices, ensuring they remain seamlessly connected to essential applications and services that are integral to our business operations. Your focus will be on enhancing, automating, and standardizing our fleet of corporate-owned and BYOD-managed devices, along with their supporting infrastructures. This involves crafting and maintaining PowerShell scripts, optimizing MDM systems, and collaborating with global teams to troubleshoot issues, deploy updates, and enhance systems in this dynamic and fast-paced field. Additionally, you will devise innovative solutions for business challenges and architect integrations that satisfy a range of stakeholder requirements. Strong communication and interpersonal skills are essential, as you will engage with colleagues across the firm worldwide to identify and resolve issues, plan and execute deployments, and improve existing systems whenever possible. Attention to detail and accurate record-keeping are critical in this role. You must possess excellent troubleshooting skills and be expected to document problem resolution processes resulting from thorough root cause analysis. This position is part of our IT Engineering group, which is a dedicated team that architects and manages a global physical, virtual, and mobile computing environment. Your analytical expertise will directly support our colleagues and ensure the highest standards of system performance.