Key Skills

Job Description

At Sytac, we build high-performing engineering teams for leading e-commerce and retail platforms. We combine technical craftsmanship with a pragmatic, hands-on culture—giving senior mobile engineers the autonomy to build innovative, scalable apps and deliver delightful digital experiences to millions of users. For our client, we are looking for a Senior Mobile Engineer to join one of our client's project. The app is being built from the ground up using Kotlin Multiplatform (KMP) backed by a GraphQL API. What you’ll do Build an engaging, intuitive, and delightful mobile application using Kotlin Multiplatform (KMP). Work across both Android and iOS, combining robust multiplatform shared logic with excellent native UI/UX performance. Integrate the application with a modern GraphQL API architecture for efficient data handling. Build reliable, maintainable, and well-tested applications integrated into continuous integration engineering workflows. Take initiative, navigate ambiguity, make sound technical decisions, and translate user needs into smooth product experiences. What we’re looking for Strong hands-on experience in Android (Kotlin) or iOS (Swift) development, with a willingness to work across both platforms. Experience with or a strong interest in Kotlin Multiplatform (KMP), GraphQL, and continuous integration pipelines. Proven track record of building reliable, maintainable, and well-tested mobile applications. Proactive mindset, clear communication skills, and the ability to share knowledge and help establish engineering best practices within a multidisciplinary team. Strong product focus with a passion for building intuitive, enjoyable customer experiences for families. Hands-on Kotlin Multiplatform (KMP) experience in a production environment. Prior experience within high-traffic e-commerce or retail applications. ✨ Life at Sytac Working at Sytac means joining a community that prioritizes your growth. Our benefits package is designed for flexibility, learning, and adventure: Unlimited Growth Days: Enjoy paid days off for professional development and Sytac activities! 📚 The Best Gear: Pick a private laptop (<€4,000) with 50% paid by us, plus a tech budget. 💻 Invest in You: A €2,400 annual growth budget for training and conferences. 🌿 Future Proof: We contribute 3.75% to your pension. Legendary Trips: Pack your bags for our annual ski trip, beach BBQs, and epic parties! ⛷️

Core Responsibilities

Build a high-quality mobile application using Kotlin Multiplatform, combining shared logic with strong native Android and iOS experiences, and integrate it with a GraphQL API. Develop reliable, maintainable, well-tested software within continuous integration workflows while making sound technical decisions and translating user needs into intuitive product experiences.

Requirements

Candidates should have strong hands-on Android development with Kotlin or iOS development with Swift, and be willing to work across both platforms. The posting also seeks production experience with Kotlin Multiplatform and experience or strong interest in GraphQL and continuous integration, alongside a proactive mindset, clear communication, and a product-focused approach.

Benefits

• Paid Professional Development Days
• Private Laptop Subsidy
• Technology Budget
• Annual Training and Conference Budget
• Pension Contribution
• Annual Ski Trip
• Social Events