Senior Product Engineer - iOS/Swift

Qonto; Paris; Sur place; EUR 75 000 - 110 000; Plein temps

Résumé du poste

Qonto in Paris is seeking an experienced iOS Engineer to join our mobile team and drive features for Europe’s leading business banking app. You’ll build with Swift, MVP architecture, and Coordinators, collaborating across Product, Design and Backend to deliver high-quality, scalable mobile experiences for thousands of SMEs.

You’ll improve code quality with unit tests, CI/CD and modern tooling, and contribute to a fast-paced, merit-based environment where curiosity and collaboration are valued.

Qualifications

• Proven experience as a Mobile engineer with strong Swift skills and deep understanding of the iOS ecosystem.

Responsabilités

• Craft cutting-edge iOS features and architecture.
• Collaborate with back-end teams, designers, and product managers to align on vision.
• Ensure code quality through refactoring and unit testing.

Connaissances

iOS Swift

Quality-driven

Problem solving

Collaboration

Growth mindset

Description du poste

Our mission and customers:

We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here).

Our journey:

Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started.

Our beliefs:

We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit.

AI at Qonto:

AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it.

Location: You can choose to work at Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, Portugal, or Spain.

Mission

Join us as an iOS Engineer and help us build the most intuitive mobile banking experience for European businesses. You'll be crafting features that directly impact the daily financial operations of over 600,000 SMEs across Europe, making their business finance simpler and more efficient.

As an iOS Engineer at Qonto, you will:

• Craft cutting-edge financial features: Work on critical architectural and UI features that will directly impact our end users.
• Foster meaningful collaboration: Work closely with back-end teams, designers, and product managers to create a unified vision.
• Solve real-time challenges: Tackle real-time synchronization issues and spearhead new initiatives.
• Champion quality: Maintain an exceptional level of quality by implementing continuous refactoring and unit testing to consistently enhance the codebase.

What You Can Expect

• You'll be building for Europe's fastest-growing business banking market, with 600K+ clients across multiple countries and ambitious expansion plans
• Work in an environment that prioritizes quality, comprehensive code reviews, component approach and continuous refactoring as standard practice
• Contribute to a fully Swift-based app using MVP and Coordinators architecture, with modern CI/CD through GitHub, Firebase, and Bitrise
• Access to expert mentorship, Tech Weeklies & Monthlies, and conference opportunities to stay at the forefront of iOS development

Our methodology, the Qonto Way. We value upfront technical design, team reviews, and smart slicing, quality drives the velocity our customers need; Our org assigns one team lead per project across stacks, giving your team a clear mission and full autonomy on how it operates; Our lean toolbox, Kaizen, PDCA, lets you monitor and drive continuous improvement collaboratively with your peers and manager; Each engineer gets access to Cursor or Copilot, and we want people who use AI to raise the bar, not just to go faster.

Your future team

As an iOS Engineer, you will join one of Qonto's squad teams, each organized around a clear project mission, with one team lead and full ownership of a product scope. You'll be part of a 140 mobile engineering community within a 500 Product Engineering department, working in focused teams of 5 to 10 people alongside Product, Design, and peers from Frontend and Backend.

Our stack & practices

Our app is 100% Swift, built on MVP & Clean Architecture with 35+ independent modules. We use the Coordinator pattern for scalability, and all new screens are built in SwiftUI (MVVM) with async/await — 80+ screens already migrated. Project generation and build optimization run on Tuist. CI/CD covers GitHub Actions, Bitrise, Firebase Test Lab, Sonar, and Fastlane. We take technical excellence seriously: 30,000+ unit tests, 450+ snapshot tests, SwiftyMocky for mock generation, and LLMs integrated into our dev workflow. Our modular architecture (32 reusable modules + centralized design system) ensures fast builds, clear ownership, and safe iterations. Want to know more about our mobile performance indicators? Read this.

About You

• iOS Expertise: Proven experience as a Mobile engineer with strong Swift skills and deep understanding of the iOS ecosystem, SDK, and development lifecycle
• Quality-driven development: Strong commitment to best practices, including unit testing (XCTests, FBSnapshots), Clean code / SOLID principles, and organized workflows
• Problem-solving approach: Pragmatic and solution-oriented approach to engineering challenges, with ability to deliver tangible value in a fast-paced environment
• Collaborative spirit: Excellent communication skills, fluent english and experience working effectively in cross-functional teams with both technical and non-technical colleagues
• Growth mindset: Curious and proactive developer who thrives on learning new technologies and contributing to a product serving hundreds of thousands of users

At Qonto, we understand that true diversity isn’t just about ticking boxes on a hiring checklist.

On average, our hiring process lasts 20 working days. More information on our candidate journey here.