Senior iOS Engineer - Merchant Solutions

iOS Engineer - Merchant Solutions Join our highly skilled team of engineers, designers and product managers — breaking new ground and shaping the future of retail. We dare to dream big, we have the courage to keep raising the bar, and we’re committed to being a force for good in retail - helping both established and fast-growing brands meet the ever-changing expectations of their customers. Sitoo is a fast-growing technology company exploring how far we can take innovation to deliver the world’s best Unified Commerce Platform and Point of Sale. Our technology is used in more than 20 countries - a number that keeps growing thanks to our incredible teams in Engineering & Product. And we have no intention of slowing down. Are you the Senior iOS Engineer we’re looking for? Your mission at Sitoo At Sitoo, we're building a modern retail platform with global ambitions — and we’re looking for a Senior iOS Engineer to help shape that future. In this role, you'll work hands-on in our iOS codebase, build features used by retailers across the world, and contribute to architectural improvements that set the foundation for long-term success. You’ll collaborate closely with product and design, and help level up your peers through code reviews and knowledge sharing. About the team Merchant Solutions is where we turn complex retail challenges into simple, high-impact experiences. We build products that help merchants work more efficiently, grow with confidence, and get more value from their daily operations—by reducing friction, easing operational complexity, and turning data into actionable insights. We work in a modern, empowered product environment with small cross-functional teams, close collaboration between engineering, product, and design, and a strong focus on outcomes over output. You’ll help shape both what we build and how we build it through rapid discovery, prototyping, iteration, and high-quality delivery. If you thrive where creativity meets ownership - and where teams solve problems end-to-end from discovery to delivery, Merchant Solutions could be a match for you. What you will do Develop and maintain features in our iOS app using Swift and modern iOS frameworks. Improve performance, stability, and scalability while reducing technical debt and modernizing our codebase. Contribute to architectural discussions and help shape technical direction in partnership with Staff Engineers and Tech Leads. Write clean, testable, and maintainable code that supports our product and performance goals. Collaborate closely with Product, Design, QA, and other engineers to deliver a world-class user experience. Participate in code reviews, pair programming, and knowledge sharing sessions. Contribute to team processes, engineering practices, and continuous improvement efforts. What you'll bring to the table Solid experience building and maintaining complex iOS apps in Swift. Familiarity with Kotlin Multiplatform (KMP) or interest in cross-platform development approaches A strong understanding of mobile architecture, system design, and design patterns. A product mindset — you enjoy working with cross-functional teams to solve real customer problems. Experience working in an agile team environment with CI/CD, feature flags, and other modern workflows. A collaborative and supportive approach to teamwork and code quality. Fluency in English, both written and spoken. Why Sitoo We are forward thinkers. By turning curiosity into knowledge — and knowledge into continuous improvement — we break new ground and shape the future of retail. We believe in an inclusive culture where everyone feels like they belong. We support each other, win together, celebrate success together, and overcome challenges together. Today, we are close to 100 dedicated experts with a positive and solution-oriented mindset. Most importantly, we take care of each other, and we never forget to have fun. This is a hybrid role based in Stockholm or Gothenburg. Please note that we are currently unable to offer relocation support for this position, so you’ll need to hold a permanent residence permit in Sweden. Department Product & Engineering Locations Stockholm, Sweden Remote status Hybrid The Sitoo Brand Values The hoodie among suits We believe in an inclusive culture where everyone feels empowered to be themselves, fully. We have a diversity of experience, perspectives and personalities, and believe this leads to a stronger team and a better product for our customers. As long as we’re knowledgeable, curious and focused on getting the right things done, we can be professional and relaxed at the same time. The hug among handshakes We treat our colleagues, partners and customers like we treat our friends. We help and guide, with a positive and solution oriented mindset. If there’s an issue we deal with it straight away. Breaking new grounds requires trust, and we believe that putting quality and reliability first and always having our customers’ best interest in mind makes all else follow. The tomorrow among yesterdays Driven by passion we look to the future, acting brave and dreaming big. With a can-do attitude we push the limits of what’s possible by turning curiosity into knowledge, and knowledge into innovation. We lead by inspiring others and just like Senseis we gladly share what we know and learn along the way.