Senior Mobile Engineer – iOS

MARKET PAY – Who We Are

Founded in 2016, Market Pay is a French fintech that designs and provides omnichannel and international payment solutions to retailers and e-commerce businesses. Our goal? Supporting merchant growth through a wide range of solutions that reinvent the customer experience, whether fully mobile, fully digital, or in a connected store environment.

With several international acquisitions, Market Pay now counts more than 300 employees in France and abroad.

CONTEXT

You will be joining the team building our Tap to Pay on iPhone solution.

This is a highly visible product that combines UX, security, NFC, Apple integration and performance.

Every feature you deliver has an immediate impact on thousands of merchants; it is extremely rewarding to build something used so concretely in day-to-day life..

MISSIONS

As a Senior iOS Mobile Developer, you will play a key role in the evolution of Tap to Pay on iOS: a product that is technically demanding, but where people, collaboration and user experience guide each decision.

Designing a simple, smooth and delightful iOS product

• Develop new features in Swift/SwiftUI, finding the right balance between elegance, performance and simplicity.
• Turn complex topics (NFC, payment security, Apple constraints) into intuitive experiences for merchants.
• Contribute to a product where impact is immediate: your decisions can be felt the very next day.

Building together with Product, Design and Tech

• Collaborate daily with the Product and UX/UI teams: discussions, challenges, iterations, testing…
• Participate in feasibility studies to clarify technical constraints and help choose the best solution.
• Bring your iOS expertise to align constraints, product vision, and user experience.

Having a real role in technical decisions

• Participate in architectural decisions (µFeatures, SwiftUI design system, payment SDK, observability…).
• Experiment, propose, challenge existing approaches and build POCs when needed.
• Help build a healthy, durable and enjoyable codebase.

Helping the team grow in a supportive and demanding environment

• • Practice pair programming and carry out helpful, constructive code reviews.
• Share your discoveries and learn from others.
• Contribute to a team built on trust and mutual support, where we work seriously without taking ourselves too seriously.

PROFILE

We are looking for someone experienced, curious and passionate, who wants to join a team where we build, innovate and move forward together.

Training & Experience

• You have an engineering background or hold a Master's degree in Computer Science.
• You have at least 5 years of experience in development, with solid expertise in the iOS ecosystem.
• You have worked on demanding mobile projects where quality, performance and high standards truly matter.

Technical skills

• You are comfortable with Swift, SwiftUI and clean, modern architectures.
• You produce clear, testable, maintainable code that is pleasant for everyone to work with.
• You are naturally curious: you explore, test and enjoy understanding what happens under the hood.

Innovation mindset

• You like experimenting, trying new approaches and building POCs to validate ideas.
• You follow iOS updates, Swift evolutions and Apple guidelines, and enjoy sharing what you learn.
• You are motivated by the idea of working on an innovative product combining UX, security, NFC and real-time experience.

Human qualities

• You like building things that truly help people; seeing a feature used the next day is something that drives you.
• You are autonomous but enjoy exchanging ideas, brainstorming and moving forward with the team.
• You communicate simply, calmly and directly, and you like when things progress.
• You bring positive energy: humble, solution-oriented and collaborative.
• You enjoy transmitting knowledge and learning from others. No solo heroes here; we grow together.

WHY JOIN US ?

• Join an international company and work with talented and passionate people from diverse backgrounds, bringing different skills and life experiences.
• Employee well-being is at the heart of what we do; we are proud to be certified and .
• CSR is one of our priorities, and we have been awarded the Ecovadis silver medal.

WHAT WE OFFER :

• An attractive compensation package: fixed salary + performance bonus + benefits
• An onboarding and training journey, with a buddy assigned from day one
• Health insurance fully covered by the company (individual or family)
• Meal vouchers of 10€ per day (60% covered by the company)
• Holiday vouchers (up to 500€, with company contribution between 50% and 75% depending on family situation)
• A 200€ annual sustainable mobility allowance
• Partial remote work possible (teleworking charter in place)
• Sports activities and many other events throughout the year

PRACTICAL INFORMATION :

• Start date: As soon as possible
• Contract: Permanent (CDI)
• Remote work: up to 3 days per week

OUR RECRUITMENT PROCESS :

• A first phone call with Mathilde, HR Project Officer and Employee Experience Lead, to get to know each other and tell you more about Market Pay, our company culture and values (15')
• A technical interview with Nicolas (Lead Developer) and Antoine (QA Specialist) (60')
• A meeting with Ahmad, our CTO (60')

Market Pay is an equal opportunity employer, offering equality for all minorities, disabilities, gender identities and sexual orientations.