Principal Software Engineer - EU

• Architectural Leadership: Lead the design and development of scalable, secure backend services and APIs, and define and evolve architecture for databases, microservices, and integrations.
• Project Ownership: Own mission-critical projects end-to-end, from requirements gathering and design through production deployment and iteration.
• Performance & Reliability: Troubleshoot and resolve complex performance and reliability challenges at scale.
• Engineering Excellence: Drive improvements to CI/CD, observability, and engineering processes across teams, promoting best practices and quality standards.
• Strategic Alignment: Collaborate with leadership to shape roadmap priorities and long-term technical vision.
• Mentorship: Mentor senior engineers, share knowledge, and represent the technical direction in client discussions.

Do you have experience in TypeScript?, * Experience: 10+ years of backend software engineering experience, with significant leadership experience in fintech or blockchain.

• Language Mastery: Mastery of TypeScript plus one or more systems languages (e.g., Rust, Go, C++).
• Platform Building: Proven track record building scalable APIs, infrastructure, and developer platforms.
• Data & Cloud: Deep expertise with databases (PostgreSQL, DynamoDB, NoSQL) and cloud services (AWS).
• Methodology: Strong knowledge of microservices, CI/CD pipelines, observability, and Secure Software Development Lifecycle (SSDLC).
• Security: Familiarity with applied cryptography, PKI (Public Key Infrastructure), and secure backend architectures.
• Leadership Skills: Exceptional problem-solving, communication, and demonstrated ability to influence technical direction across the organization.

• Compensation: Highly competitive salary range of €120,000-€200,000 per year plus generous equity (150-300 stock options vested over 4 years).
• Location & Flexibility: European Union (Remote-First), with optional office space.
• Health & Retirement: Comprehensive Healthcare and pension plan, plus coverage for travel expenses.
• Equipment: Provided with a MacBook Pro + essential equipment.
• Impact: Opportunity to define the technical backbone of next-generation blockchain wallet infrastructure.