iOS Developer at Billetto | London

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.

At SumUp, our mission is to bridge the gap between merchants and consumers, fostering thriving local communities. We are dedicated to creating a rewarding loyalty experience that connects individuals to the small businesses they cherish, while facilitating seamless, cost-free transactions for our merchants. With SumUp Local, we prioritize loyalty and merchant discovery on every checkout screen, empowering businesses to expand their customer base while growing our consumer network. This role presents a high-impact opportunity to tackle diverse challenges at a rapid pace with a global perspective. You will utilize strategic thinking, creativity, and innovative ideas within the Consumer Tribe, driving advancements in SumUp Local and defining the connection between consumers and merchants. Collaboration across various teams will be essential, providing broad exposure and the chance to influence product development at all levels. If you are passionate about building consumer-centric products, designing loyalty platforms, and supporting small businesses, this position offers the chance to make a significant impact.

Senior CRM Manager – SumUp Pay About the Team At SumUp, we are creating a comprehensive personal account experience for consumers throughout Europe, simplifying global spending, financial management, and rewarding everyday transactions. This is a unique opportunity to be the first dedicated CRM professional within our Consumer team. You will have the chance to develop and implement a lifecycle strategy from the ground up, shaping how we engage with our customers at every stage of their journey—from their initial installation to fostering long-term habits. Expect a role with significant ownership and impact, where you will influence how SumUp Pay interacts with its customers for years to come. Your Responsibilities Lead the design of lifecycle journeys across various channels, including push notifications, email, in-app messages, and banners, focusing on key moments that drive growth: KYC completion, card activation, first transactions, feature adoption, and re-engagement. Formulate hypotheses, conduct experiments, analyze results, and act quickly; this position requires an agile and proactive approach. Analyze product usage data to pinpoint friction points and translate these insights into CRM strategies or recommendations for product enhancements. Define and manage user segments, execute A/B tests, and continuously refine activation, engagement, and retention strategies across six European markets. Oversee the end-to-end management of Iterable, including data mappings, event taxonomy, and user profile schemas, collaborating closely with backend engineers to maintain data integrity and platform health. Collaborate with the GTM team to ensure alignment of messaging, timing, and targeting with broader SumUp growth initiatives. Ideal Candidate Profile You possess hands-on experience managing multi-channel lifecycle campaigns in a high-growth consumer product environment; experience in fintech or neobanking is a significant advantage. You think strategically about funnels, cohorts, and activation rates, rather than solely focusing on open rates and click-throughs. You are comfortable with event-driven architecture and understand how real-time triggers enhance effective customer journeys. You can effortlessly communicate and work with both technical and non-technical stakeholders, translating platform logic into clear campaign strategies and vice versa. You have experience building processes from scratch and thrive in an environment lacking a predefined playbook. You possess a hands-on approach, able to navigate data models, read event schemas, and work collaboratively with engineers as an equal partner. Why Join SumUp? Engage with a truly global, multicultural team in our central Covent Garden location, surrounded by history and innovation.

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.

Role overview Motorway is looking for a Senior iOS Engineer based in London. The focus of this role is to build and enhance iOS applications that support an easier car selling experience for users. The work involves designing features that encourage engagement and help Motorway deliver its services more efficiently. What you will do Design and develop iOS applications for Motorway’s platform Collaborate with product, design, and engineering teams to deliver dependable software Contribute to shaping new features and improving overall app performance Collaboration This role requires frequent teamwork with colleagues across different departments to ensure the software aligns with both user needs and business objectives.

(Mid/Senior/Staff) iOS Engineer – London Please note that the positions are based in London, United Kingdom — relocation and visa support is provided if required (must currently be based in the United Kingdom or Europe). THE BEST WORK OF YOUR CAREER Trade Republic is the largest savings platform in Europe, operating across 18 countries and serving over 10 million customers who trust us with more than 150 billion Euros in assets. Our ambition is to achieve even more. We are dedicated to empowering individuals to build wealth with simple, secure, and free access to financial systems. Join us and grow your career while working alongside exceptional talent and cutting-edge technology to shape a positive future for millions. WHAT YOU'LL BE DOING Contributing your expertise to the iOS guild to uphold technical excellence. Mentoring fellow engineers while receiving dedicated support for your growth. Taking ownership of product development through collaboration with various roles, ensuring quality and timely delivery. Thriving in a dynamic, goal-driven agile environment. WHAT WE'RE LOOKING FOR A minimum of 5 years of experience in mobile engineering. Proficiency in Swift, programmatic UI, and foundational knowledge of reactive programming. A passion for creating exceptional UX and UI, with a desire to collaborate closely with our design team. A commitment to quality, with an understanding of best practices for both code and product excellence. TECHNOLOGY STACK 100% Swift SwiftUI and UIKit Reactive data flow utilizing Combine, ReactiveSwift, and WebSockets MVVM-C architecture Dependency Injection WHY YOU SHOULD APPLY NOW Our culture champions ownership, excellence, and high energy. We are deeply committed to achieving results and holding each other accountable. We aim to tackle one of the biggest challenges faced by Europeans: closing the pension gap and democratizing wealth. If this inspires you, we encourage you to reach out!

Join SumUp as a Senior Android Engineer, where you'll play a pivotal role in developing our dynamic merchant-focused ecosystem. This is your chance to design and enhance high-impact solutions—such as Kiosks, Kitchen Display Systems (KDS), Customer Facing Displays (CFD), and POS peripherals—that support intricate retail and restaurant operations globally. In this position, you'll seamlessly integrate hardware and software, delivering exceptional experiences for millions of merchants and their clientele.Your Responsibilities:Lead the design and expansion of Android-based merchant solutions, specifically tailored for self-service Kiosks and specialized point-of-sale interfaces.Enhance and develop impactful features that elevate the experience for both merchants and consumers across a diverse range of products.Assist in our transition to Kotlin Multiplatform (KMP) to streamline business logic across various mobile platforms.Craft maintainable, accessible, and high-performing user interfaces utilizing Jetpack Compose.Enhance product reliability through the implementation of comprehensive testing frameworks and increased automated QA coverage for our hardware-integrated software.Work collaboratively with cross-functional teams to deliver integrated features that align with the requirements of global enterprise partners.Conduct code reviews, uphold architectural standards, and guide fellow engineers in the best practices for developing reusable UI components.

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.

Join Engine by Starling, where we are dedicated to partnering with top-tier banks worldwide to fuel their ambitions for rapid business growth through our cutting-edge technology.As a software-as-a-service (SaaS) division of Starling Bank, Engine was established to provide the innovative technology that has powered Starling's remarkable success. Our platform is now available for banks and financial institutions globally, allowing them to leverage advanced digital features and streamlined back-office processes.At Engine, we foster a collaborative environment where every team member contributes to delivering exceptional results for our clients. We are engineering-focused and seek passionate individuals eager to harness Engine’s technology to revolutionize banking across various markets. Our work is driven by five core values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.Hybrid Working ModelWe embrace a Hybrid working model at Engine, preferring that team members reside within a commutable distance from our offices to facilitate in-person collaboration.About Engineering at Engine by Starling - https://www.enginebystarling.com/We are actively seeking iOS Engineers to enhance the Engine Platform, ensuring our features cater to banks worldwide while also developing new functionalities that have yet to launch in the UK market.Engine by Starling engineers are enthusiastic about contributing to the rollout of new features, regardless of their primary technology stack. Learn more about our team through the case studies below, including our collaboration with Women In Tech.

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.

Join Canva as a Senior UI Engineer, where you will play a crucial role in designing and developing exceptional user interfaces for our iOS and macOS applications. Collaborate with cross-functional teams to create engaging user experiences that delight our millions of users worldwide.

Senior iOS Software EngineerAt Deliveroo, we are on a mission to revolutionize the way people shop and dine. Our culture is driven by impact, innovation, and growth, as our engineering teams confront intricate technical challenges in a global, three-sided marketplace, constructing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to resilient infrastructure and marketplace optimization, we create and maintain the technology that fuels Deliveroo's expansive growth.We are seeking a Senior iOS Software Engineer to enhance our London team. In this position, you will play a vital role in evolving our mobile architecture and delivering high-performance features that shape the future of on-demand delivery. This position allows for a hybrid work setup, typically involving 3 days in the office.Learn more about our Engineering team — discover our motivations, work dynamics, and what you can anticipate.Your ResponsibilitiesAs part of the Consumer team, you will be pivotal in ensuring that millions of users effortlessly transition from

About Air Apps Air Apps began as a family-founded company in Lisbon, Portugal, in 2018. The team set out to improve personal and entrepreneurial resource planning with an AI-powered Personal & Entrepreneurial Resource Planner (PRP). Since then, Air Apps has grown to operate in both Lisbon and San Francisco, remaining self-funded and reaching over 100 million downloads worldwide. The company focuses on building tools that help people plan, work, and live better. Every team member contributes to shaping how individuals manage their resources and daily lives. Senior iOS Engineer Role The Senior iOS Engineer will play a key role in developing and maintaining Air Apps’ iOS applications. This work includes ensuring high performance, reliability, and a strong user experience across the app suite. Collaboration is central: expect to work closely with designers, product managers, and other engineers to deliver new features and refine existing ones. Strong skills in Swift and a deep understanding of iOS development best practices are essential for success in this position. The team values innovation and attention to detail to keep their apps competitive in the App Store. Work Location and Relocation This is a fully onsite position based in Lisbon. Relocation assistance is provided for those moving to Lisbon.

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 the RoleThe Account Details Experience team is a key product group at Wise, dedicated to helping customers seamlessly navigate third-party payments. Our mission is to empower millions of users to easily receive and manage their finances across borders, revolutionizing the way the world engages in payments.We are committed to continuous innovation, expanding our product capabilities, and removing barriers to create a truly borderless financial experience. We proudly support over 8 local and more than 17 global account details, collaborating closely with regional teams to provide unmatched convenience. From receiving funds via account details to utilizing diverse payment options such as card payments, Pay with Wise, and open banking, we facilitate powerful link products, invoices, profile links, direct debits, and seamless integrations with online marketplaces.This role offers an exceptional opportunity for impact and career growth. You'll have the chance to shape the future of global payments, tackle exciting challenges, and influence how individuals and businesses connect financially on a global scale. Join us in redefining the account details experience for millions!Your ResponsibilitiesAs a Senior iOS Engineer, you will lead the development of the iOS experience, setting the stage for a transformative customer journey focused on receiving funds as the core of our account offerings. You'll play a vital role in expanding our alias implementations, unlocking new levels of convenience and flexibility for our users. Imagine making payments as simple as sharing a name or preferred handle.We seek a self-motivated and proactive iOS Engineer who thrives on ownership of their projects. This role transcends traditional coding; you will be a crucial product partner, actively participating in shaping our product roadmap. Expect to engage deeply in the entire product lifecycle, from initial ideation to building and deploying impactful features.As part of the Mobile Engineering team, you will also have the opportunity to influence other areas of the app, collaborate with over 60 other mobile engineers, and elevate both user experience and code quality across all Wise offerings. Your responsibility will include ensuring the scalability and effectiveness of your solutions, contributing to the creation of a high-quality global product, and working closely with peers across various teams.

SumUp seeks a Senior Internal Auditor based in London to help reinforce internal audit practices and contribute to strong corporate governance. This position centers on examining internal controls, checking compliance with regulations, and identifying ways to improve operations. Key Responsibilities Review the effectiveness of internal controls within various departments Assess how well the company complies with applicable regulations and internal policies Spot opportunities for operational improvements and recommend changes

Role overview SumUp is looking for a Field Sales Territory Manager to lead growth across Greater London. This permanent, full-time position is remote and field-based, focusing on hands-on leadership of a distributed sales team. The manager will guide around 15 freelance Field Sales Associates, supporting one of the UK’s busiest commercial regions. This position is designed for sales leaders with experience managing independent or self-employed teams. While the manager’s employment is permanent, the team consists of freelance consultants. The core focus is recruiting, coaching, and motivating the team to achieve strong sales results and deliver excellent service to clients. What you will do Lead, coach, and inspire a team of approximately 15 freelance Field Sales Associates. Drive performance and growth in Greater London, working with small and medium businesses as well as the hospitality sector. Recruit new team members and build a high-performance culture. Support the team in reaching targets and providing great client experiences. Key details Location: Greater London (remote, field-based) Employment type: Permanent, full-time Team: Manage freelance Field Sales Associates (manager role is not freelance)

(Self-Employed, Commission Only)Realistic full-time earnings of £40,000–£50,000+ per year, with unlimited potential beyond that. Are you seeking a role where your income is directly tied to your efforts? Join SumUp as a Self-Employed Field Sales Representative and empower small businesses in your community by providing smarter payment and POS solutions while generating substantial recurring income for yourself.This Field Sales Representative position is purely field-based and involves face-to-face interactions. You will engage with business owners, understand their operations, and recommend solutions that can genuinely assist them in running and expanding their enterprises.No prior experience in payments is necessary. If you have a background in customer-facing roles, excel at building rapport, solving problems, and are motivated to succeed, you can flourish as a Field Sales Representative here.

About Freetrade Freetrade aims to make investing accessible and straightforward for everyone. Many people find investing intimidating or costly, and we are working to change that. Our recent partnership with IG Group lets us operate independently, while drawing on the resources of an established industry leader. In 2026, we are accelerating our product development, with plans to launch features like mutual funds, bonds, and family investment tools. We are also exploring ways to use AI to improve our customer experience. Role Overview: Mid-level iOS Engineer We are looking for a Mid-level iOS Mobile Engineer to join our London-based team. The Freetrade iOS app helps users access investment opportunities across the UK, US, and EU markets. As part of our mobile engineering group, you will help build and maintain a platform that thousands rely on daily. What You Will Do Implement new features for the Freetrade iOS app, written entirely in Swift Address user feedback and help resolve queries to improve customer satisfaction Work closely with design, product, and QA teams to deliver engaging user experiences Help prioritize platform issues and manage technical debt Contribute to architectural decisions that support a high-quality application and strong developer experience What We Look For Solid understanding of the iOS platform Strong problem-solving skills Interest in growing technical expertise within a collaborative team Willingness to learn from experienced engineers across iOS and Android Our Tech Stack iOS application built entirely in Swift Location This role is based in London.