iOS Developer - Twint
m/f/d, Zürich
For our client in Zurich, we are looking for an experienced iOS Developer to support the continued development of the TWINT Whitelabel App for various Swiss banks. With over 3 million active users and more than 50 million transactions per month, the TWINT Whitelabel Apps are among the most successful financial applications in the Swiss app stores.
You will join a cross-functional Scrum team with high autonomy, working in a dynamic and diverse environment that offers great creative freedom and responsibility.
Your Responsibilities:
- Further development of the existing iOS TWINT Whitelabel App, ensuring high software quality through code reviews and test automation
- Implementation of change requests and resolution of bugs
- Analysis of production issues and provision of third-level support
- Maintenance and continuous improvement of the CI/CD environment
- Acting as a technical contact for questions from Requirements Engineering
Your Profile:
- University degree (FH, Uni, ETH) in Computer Science or equivalent education
- At least 4 years of hands-on experience in iOS development using Swift and Objective-C
- Strong analytical and debugging skills, with an interest in CI/CD engineering
- Experience contributing to published apps in the App Store is a big plus
- Experience working in agile teams (Scrum)
- Structured, proactive way of working
- Fluent in Englisch (C1), German intermediate (B1)
Sounds like a great job?
Then we look forward to receiving your complete application documents through our online application form.
When applying by email, the sender agrees that his or her data will be used in accordance with our data privacy policy.
Find more vacancies at: coopers.ch
Job profile
- IT - Software Engineering
- Zürich
- Contracting
- Part Time, 80%
- 07.07.2025 - 30.06.2026 with option to extend
- , iOS, Swift, CI/CD
Job benefits
- Company laptop
- Coopers Care
- First-name terms
- Modern workspace

Sounds interesting?
Simply click "Apply now" and I will get back to you.
Samira Eymany
Talent Acquisition Consultant
+41 44 485 44 94
samira.eymany@coopers.ch