Backend Engineer - Wallets

Backend Engineer - Wallets in Germany.

This is a unique opportunity to contribute to the future of decentralized finance by building secure, scalable, and high‑performance backend systems that power global digital asset solutions. In this role, you will work on mission‑critical wallet infrastructure, helping create seamless and reliable experiences for users interacting with blockchain technologies worldwide. You will collaborate with highly skilled international teams in a fast‑paced, innovation‑driven environment focused on scalability, security, and technical excellence. The position is ideal for engineers who enjoy solving complex backend challenges and building resilient systems capable of supporting rapidly growing platforms.

Accountabilities

• Design, develop, and maintain robust backend services that support secure and scalable wallet infrastructure and digital asset operations.
• Build and optimize high‑performance microservices capable of handling large‑scale real‑time transactions and platform growth.
• Collaborate with cross‑functional engineering teams to deliver innovative backend solutions aligned with evolving product and business requirements.
• Ensure the highest standards of platform security, implementing best practices to protect user assets, sensitive data, and system integrity.
• Contribute to architectural decisions and continuously improve system reliability, scalability, and maintainability.
• Work with databases and distributed systems to ensure efficient data storage, retrieval, and synchronization.
• Investigate, troubleshoot, and resolve backend performance issues while proactively identifying opportunities for optimization.
• Stay current with emerging blockchain, peer‑to‑peer, and backend development technologies to drive innovation across the platform.

Requirements

• Strong professional experience with Node.js and JavaScript backend development.
• Solid understanding of microservices architecture and scalable distributed systems.
• Experience building and maintaining complex, high‑availability backend platforms.
• Familiarity with peer‑to‑peer technologies and decentralized systems.
• Proficiency working with databases such as MySQL and MongoDB.
• Strong understanding of backend security principles and experience implementing secure coding practices.
• Ability to quickly learn and adapt to new technologies, frameworks, and technical environments.
• Strong analytical and problem‑solving skills with attention to performance, reliability, and scalability.
• Excellent communication and collaboration skills within remote and international teams.
• Experience working in Agile development environments is considered an asset.
• Interest or experience in blockchain, fintech, or digital asset ecosystems is highly valued.

Benefits

• Fully remote work environment with the flexibility to work from anywhere.
• Opportunity to contribute to innovative decentralized finance and blockchain technologies.
• Exposure to large‑scale global platforms and cutting‑edge backend systems.
• Collaborative international culture with access to highly skilled engineering teams.
• Fast‑paced and innovation‑focused environment that encourages ownership and technical growth.
• Opportunities for continuous learning, experimentation, and career advancement.
• Flexible work culture designed to support autonomy and productivity.
• Chance to work on impactful products shaping the future of digital finance and peer‑to‑peer technologies.