Senior Software Engineer iOS (they/she/he) – Freelance

  • Anywhere


TIER Mobility is Europe’s leading shared micro-mobility provider, with a mission to Change Mobility for Good. By providing people with a range of shared, light electric vehicles, from e-scooters to e-bikes and e-mopeds, powered by a proprietary Energy Network, TIER helps cities reduce their dependence on cars. Founded in 2018 by Lawrence Leuschner, Matthias Laug and Julian Blessin.

Recently we have closed a financial transaction to merge with Dott. Together we create the European champion of shared micro-mobility, with revenues of €250m, supporting over 125M trips a year in more than 20 countries. Following this closing, teams across TIER and Dott will be progressively integrated. There has never been a more exciting time to join this ride!

Freelance contract / Fixed term, full time – 3 months / Europe based  

As Senior Software Engineer, iOS in the Rider team you focus on growing our user base by deploying the right incentives and removing friction in our user onboarding. You make sure the user gets to their destination – you help them find a vehicle, navigate the city and park at their destination, all compliant with local city regulations. You work closely with your multidisciplinary team to identify and deliver on business opportunities within your team’s domain.

Your core focus is to deliver a highly reliable service for our customers, crafting a delightful end-to-end user experience. You move fast, building on a solid foundation of effective application architecture and clean and testable code. You promote adoption of best practices and contribute new ideas that help shape the future direction of our product and technology stack.

What you’ll do

  • Develop our Tier & Dott iOS applications in close collaboration with your team of Software Engineers, Engineering Manager, Product Manager and Designer, participating in all aspects of the software development lifecycle
  • Ensure stability and scalability of our apps by a consistent application of clean architecture and industry best practices
  • Ship app updates to the App Store, monitor the health of your applications in production, debugging and mitigating issues as they arise, communicating with stakeholders to align priorities, escalate impediments and inform them of progress
  • Identify technical opportunities that propel our business forward

What you’ll need

  • Passion for technology and Software Engineering
  • User centricity – demonstrated ability to identify and truly grasp user problems, building effective and scalable solutions
  • Critical thinking – observability mindset, strong ability to reflect on own and team performance, data-driven approach
  • Effectiveness as independent contributor – fluency in Swift and familiar with best practices, able to implement changes independently, meeting architecture guidelines and quality expectations set by the team
  • 5+ years of experience developing B2C iOS applications at scale

Bonus points

  • Interest in backend or Android development
  • Interest in or experience with multi platform technologies (Flutter, KMM)

We actively encourage a diverse and inclusive environment that fosters each employee’s individuality at TIER. We take affirmative action to ensure equal opportunity for your application, regardless to your nationality, ethnic or national origin, skin color, religion, disability, sex, sexual orientation or gender identity. Come as you are and join our ride!

In case you are living with disabilities, chronic illness or neurodiversity please inform us, to provide you with the proper assistance in the application process.

If we could spark your interest and you want to change mobility for good with us, apply now and let us know why you’re the one for the job! We encourage everyone to apply and grow with us. Even if you may not tick all the boxes of the requirements, we are happy to hear about the value you can add to the team. We are all learners!

We are looking forward to your application!

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