📍 Location: Remote from EU/US

💰 Salary range: 60k - 100k EUR, 0.25% to 0.50% Equity

About CardNexus

CardNexus is building the ultimate platform for the Trading Card Game (TCG) community. Designed for players, collectors, investors, and game stores, we simplify collection management, provide real-time market insights, and streamline trading through smart matching technology. Our all-in-one solution bridges the gaps between fragmented tools and outdated systems, enabling users to value, trade, and grow their collections efficiently.

Founded in 2025 by a team of repeat entrepreneurs and lifelong TCG enthusiasts, CardNexus brings together deep expertise in technology, product design, and competitive trading card games. We’re on a mission to redefine how millions of TCG fans engage with their collections—from streamlining inventory to optimizing trades and building a thriving community.

If you’re passionate about TCGs and want to shape the future of the industry, we’d love to have you on board!

Role Overview

As a Lead Mobile Engineer at CardNexus, you'll play a pivotal role in designing and implementing the architecture for our all-in-one TCG platform. As an early employee, you'll have the autonomy to shape our systems and infrastructure, ensuring scalability, performance, and reliability for a high-traffic marketplace. We're fostering a culture of gamers, so if you love TCGs or are a fan of gaming, you'll feel right at home.

As a remote-first company, CardNexus offers you the chance to collaborate with a diverse, global team across multiple time zones and cultures. You'll report to a supportive and experienced team while making a direct, visible impact on our growing TCG community. Whether you're located in Europe or the US, this role provides the flexibility to drive meaningful change from wherever you call home.

Now, we're expanding to mobile to bring the full CardNexus experience to iOS and Android, complete with a powerful card scanner for seamless card identification and management.

If you're passionate about mobile development and TCGs, we’d love to have you on board!

What You’ll Do

• Develop the CardNexus Mobile App: Build, deploy, and maintain the app using React Native or Flutter.
• Implement a Real-Time Card Scanner: Integrate OCR and computer vision to enable fast and accurate card recognition.
• Optimize Performance: Ensure smooth animations, low latency, and seamless cross-platform functionality.
• Integrate with Backend Services: Work closely with backend engineers to connect the app with our marketplace, collection management, and trading tools.
• Enhance UI/UX for Collectors: Work with designers to create an intuitive, visually appealing interface tailored for TCG enthusiasts.
• Ensure Scalability and Stability: Write clean, maintainable code and implement best practices for testing, security, and performance optimization.

What You Bring