Demo

Senior iOS Engineer - Consumer

SumUp
Köln, Full Time
POSTED ON 4/23/2025 CLOSED ON 4/28/2025

Job Posting for Senior iOS Engineer - Consumer at SumUp

(Senior) iOS Engineer - Consumer

At SumUp, we're building a world where merchants can succeed while doing what they truly love. Our mission from day one is simple: give back to local merchants the joy to succeed, thanks to simple and innovative tools.

SumUp is a digital ecosystem dedicated to local entrepreneurs. Our range of solutions answers all our merchants' challenges, from reservations, through click and collect, deliveries, and digital payment, to the management of their business thanks to intuitive and comprehensive financial analytics.

Your new team

Be part of our dynamic consumer tribe, a dedicated team within SumUp operating with the agility of a startup. We're focused on creating impactful products that transform transactions into seamless, engaging, and valuable interactions, ultimately enhancing consumers' financial lives. As a key member, you'll have significant ownership in shaping our processes, tackling complex challenges, and defining the future of our team and product vision.

As a Senior iOS Engineer, you'll be at the forefront of building and evolving our consumer-facing mobile app, delivering innovative financial services across Europe and beyond. You'll play a pivotal role in shaping how our consumers interact with our expanding merchant ecosystem, ensuring a seamless and intuitive experience.

Checkout our app here - https://www.sumup.com/en-gb/pay/

What You’ll Do

  • You’ll be building our consumer mobile app, providing financial services to consumers in Europe and beyond.
  • You’ll shape how our consumers interact with our growing consumer merchant ecosystem.
  • In the first few weeks, you'll dive into the code and learn how to create clean components in our codebase. You'll use this knowledge to start developing and refining features.
  • In the first three months, you'll develop major features that impact our consumer base. You'll work closely with product and design departments to build features that are maintainable, usable and beautiful. You'll help us rethink problems we've solved before differently as needs evolve.
  • By the end of your first year, you'll have a wealth of knowledge about our complex problem domain, as well as its implications in the interface and in the backend, and how to manage it in a clean way.
  • Working closely with other mobile engineers on setting up and implementing best engineering practices for iOS across the company.

You’ll be great for this position if

  • Proven expertise in Swift and the iOS SDK, with a solid understanding of its core principles and best practices. Familiarity with Objective-C is a plus.
  • Strong passion for crafting intuitive and visually appealing user interfaces, with a keen eye for detail.
  • A commitment to writing clean, maintainable, and well-tested code, balanced with the pragmatism to deliver effectively under pressure.
  • Exceptional problem-solving abilities, capable of understanding complex challenges, designing robust solutions, breaking them down into actionable steps, and delivering results.
  • User-centric approach to software engineering, prioritizing the end-user experience and advocating for their needs.
  • Proven experience working with Agile methodologies, CI/CD pipelines, and Pair Programming
  • A proactive and resourceful mindset, comfortable leveraging available resources (including documentation and seeking assistance) to overcome technical challenges
  • An eagerness to explore and utilse AI-powered tools to enhance development workflows

Why you should join SumUp 🚀(Cologne)

  • Opportunity to work with a truly global, multicultural team (we are 3200 people from over 90 nationalities, spread across 4 continents).
  • 28 days’ paid leave bank holidays
  • Competitive salary package and virtual stock option programme
  • Futureben : Discount on a sustainable good from a platform varies from 10-30%
  • Urban Sports Club membership (subsidized)
  • SumUp Corporate Pension Scheme
  • Mobility Options : Company transport ticket (BVG Firmenticket) and Bike leasing
  • Subsided public transport ticket
  • Break4Me - 4 weeks paid sabbatical after 3 years of service

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.
Senior Backend Engineer (f/m/d)
envelio -
Köln,
(Senior) Engineer (m/f/d) Powertrain Development Hydrogen
TOYOTA GAZOO Racing Europe -
Köln,
Senior Cloud Security & Compliance Engineer (m/w/d)
SozialBank -
Köln,
Senior Backend Engineer (f/m/d) - Grid Connection Squad
envelio -
Köln,

Popular Search Topics

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library
This job has expired.

Not the job you're looking for? Here are some other Senior iOS Engineer - Consumer jobs in the Köln, area that may be a better fit.

Senior AI Engineer (F/M/*)

amberSearch, Köln,