Senior Mobile Engineer - Kotlin & Scalable Fintech

Checkout.com; Paris; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work model

Career growth

Job summary

Checkout.com is seeking a senior mobile engineer to design and build high-performance mobile experiences used by millions of consumers worldwide. You will work hand‑in‑hand with our engineering and product teams to craft scalable Android apps and SDKs.

You’ll own end‑to‑end feature development from discovery to release, define architecture, and mentor peers. You’ll collaborate with backend teams and champion best practices for testing, monitoring, and reliability at scale.

Qualifications

• Solid background in mobile technologies (e.g. Native Android and Kotlin).
• Proven track record building scalable and highly performant consumer experiences across the mobile domain.
• Experience building and maintaining mobile apps or SDKs used by a large, active, user base.
• Passionate about developer experience - clear APIs, great docs, and reliability at scale.
• Excellent communication skills and experience collaborating with product, design, and backend peers.

Responsibilities

• Architecting and building the mobile experiences that are used directly by millions of consumers around the world.
• Owning feature development end‑to‑end, from discovery through to development, and monitoring through to maintenance.
• Working closely with backend teams to ensure the underlying systems we build are aligned to support our mobile product evolution.
• Championing best practices across the technical domain (testing, monitoring, release strategy, etc) to strengthen our foundations as we build our products.
• Mentoring peers, reviewing code, and contributing to the long‑term technical vision for mobile development at Checkout.com.

Skills

Native Android

Kotlin

Scalable apps

SDK development

API docs

Education

BSc in Computer Science

Tools

Android SDK

CI/CD

Job description

Checkout.com is seeking a senior mobile engineer to design and build high-performance mobile experiences used by millions of consumers worldwide. You will work hand‑in‑hand with our engineering and product teams to craft scalable Android apps and SDKs.

You’ll own end‑to‑end feature development from discovery to release, define architecture, and mentor peers. You’ll collaborate with backend teams and champion best practices for testing, monitoring, and reliability at scale.