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Senior iOS Developer



Software Engineering
London, UK
Posted on Sunday, April 7, 2024

At SumUp we are building innovative solutions to support small merchants to start, run, and scale their business. We offer a diverse range of products that integrate seamlessly into our user's lives by pushing the boundaries of financial technology. From concept to deployment, you will play a key role in shaping the future of our products.

SumUp has a SuperApp that hosts all of the different products we offer to our merchants - from business accounts to invoicing to managing payments. You’ll be an integral member of our development team, and have the opportunity to contribute to creating groundbreaking mobile applications that set new standards in user experience and functionality.

We take our engineering excellence seriously at SumUp and have exciting opportunities to work with a team of highly skilled engineering experts on customer-facing products such as Global Bank, Consumer, Expansion and many more.

About the team

You will be able to connect with mobile engineers from all over the company as our initiatives are far-reaching. You will contribute to the development of new innovative features to our different products available for merchants on the SumUp SuperApp or our consumer app SumUp Pay. You'll work in a "You write it, you own it" Engineering culture taking over ownership of deployment of your code and maintaining CI/CD for Mobile projects.

We maintain a high bar in engineering and aim to continually increase it. Our initiatives have long-term impact at scale. We believe in open communication and constant learning over strict rules. If you're looking for the chance to innovate and help millions of small merchants succeed - join us!

What you’ll do

  • Collaborate with cross-functional teams to design, develop, and deploy high-quality iOS features

  • Architect and implement features that enhance user engagement, performance, and reliability

  • You'll develop major features that impact our developer community. You'll work closely with the rest of the team to drive our roadmap and design our developer experience

  • Conduct code reviews to ensure adherence to coding standards and best practices to continuously optimize applications for maximum speed, scalability, and maintainability

  • Troubleshoot and debug issues to maintain application stability and performance

You'll be great for this position if

  • You have hands-on experience building mobile applications of similar complexity to SumUp’s SuperApp

  • You are comfortable with Swift

  • You have good knowledge of architectural design patterns such as MVVM and MVP, and experience ensuring modularized and scalable app architecture

  • You care about user interaction, usability, and of course, making the interface beautiful.

  • You strive for clean code and know how to write flexible tests that won't break

Why you should join SumUp:

  • Be part of a welcoming and international community of 3000+ people from over 50 nationalities across 12 global offices.

  • SumUp Corporate Pension Scheme (qualifying earnings)

  • Competitive Health Insurance Cover with Vitality (including optical, dental)

  • Life Assurance cover with MetLife for 2 x your salary

  • Learning & development budget: €2000/year

  • Babbel: unlimited access to the Babbel platform to learn up to 14 languages

  • SumUp Sessions: Confidential, accessible self-care. A mental health & wellbeing tool available to all employees through access to licensed psychotherapists

  • Fitness Matters: SumUp’s very own Fitness trainer with daily Zoom sessions. To focus on getting the heart rate up, leaving the desk for a while and having a great SumUp experience together!

  • Break4me - 1 month paid annual leave after 3 years of service

About SumUp

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we create powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s mentality and a 'team-first’ attitude, our diverse teams across Europe, South America and the United States work together to ensure that the small business owners we partner with can be successful doing what they love.

SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.

SumUp will not accept unsolicited resumes from any source other than directly from a candidate.

Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.