Staff Mobile Engineer

Our Engineering team excels at solving cutting-edge technical challenges with elegant solutions. With a strong focus on product innovation and design, they are shaping the future of the shopping experience. Their ambition is to have a positive impact on the everyday lives of hundreds of millions of users around the world.

Software Engineers in the Engineering team work hand-in-hand with the Product team, from exploration, design, and roadmap prioritization to implementation, and deployment in production. At Joko, we have firsthand experience that teams with engineers who possess a diverse range of skills, and where engineering and product collaborate closely, are able to deliver a truly delightful and innovative user experience.

The Engineering team is currently growing fast to continuously innovate on all parts of our product and tech stack and to empower the revolution of the way people shop online.

Mobile experience : Strong experience in mobile development, with a clear expertise in React Native (typically 5+ years).

Technical excellence : Strong understanding of mobile architectures and performance tradeoffs, with experience building reliable, data-driven applications in production.

Product-minded : Strong sensitivity to user experience, performance metrics, and real-world usage at scale.

Problem solver : Comfortable working in complex, evolving codebases, with the patience and pragmatism to improve them incrementally.

Mobile tooling & delivery : Experience with mobile CI/CD, release processes, testing, and platform-specific constraints (iOS & Android).

Collaboration : Able to work effectively within a broader engineering team, and collaborate closely with Product Managers and Product Designers to turn product ideas into high-quality mobile experiences.

Languages : Fluent in English, both written and spoken. French is not required.

Intro call: Quick screening with the Hiring Manager or a recruiter.

Step 1 – Team interview (45 min): Conversation with two Joko team members (could include the Hiring Manager, people from the team you’d join, or colleagues from other teams).

Step 2 – Role-specific assessments For non-tech roles : Take-home case study followed by a 45 min debrief. We assess both your output and how you think in real time. The exercise will be relevant to the role (e.g. analysis, strategy, or process design). For tech roles : Live technical interviews: Coding interview + System design interview For research internships, an additional round may involve analyzing and presenting a research paper

For non-tech roles : Take-home case study followed by a 45 min debrief. We assess both your output and how you think in real time. The exercise will be relevant to the role (e.g. analysis, strategy, or process design).

For tech roles : Live technical interviews: Coding interview + System design interview For research internships, an additional round may involve analyzing and presenting a research paper

Coding interview + System design interview

For research internships, an additional round may involve analyzing and presenting a research paper

Step 3 – Founders interview (45 min): Conversation with two of our founders.

References: Up to five calls with former colleagues or managers.

☕ You may also be invited for coffee with team members to get a feel for our culture.