Principal Software Engineer - Crypto

Career Renew is recruiting for one of its clients a Principal Software Engineer - Crypto - this is a fully remote position, but candidates need to be based in the EU/UK

Join an exceptional team of leaders (CTO, CPO, Head of Research) and experts (Cryptography, Infrastructure, Security Engineers) to build the leading blockchain wallet infrastructure for the next financial era. We are hiring a Principal Software Engineer to develop and deliver high-quality software solutions. In this role, you will work with senior management to define requirements and lead key operational and technical projects. You will take ownership of critical projects and bring strong organizational and problem-solving skills to the team. As a Principal Software Engineer, you will also lead software change and release management, helping improve the software development process. Your goal will be to ensure software meets high-quality standards and is delivered on time.

Responsibilities

• Share the team’s vision, set priorities on the product roadmap, and ensure deadlines and production quality are met.
• Bring innovative ideas to solve technical challenges.
• Apply best practices and promote innovation in development.
• Improve work methods and processes to deliver on time.
• Ensure the product is scalable, reliable, and built with high-quality code.
• Troubleshoot and fix complex software issues effectively and permanently.
• Review code based on functionality, speed, cost, and security requirements.
• Collaborate with engineering, security, and product teams to turn feedback into actionable features.
• Work with CISO to integrate security best practices into the architecture and workflows.
• Respond quickly to problems, document fixes, and keep track of actions taken.
• Create and update internal and external documentation.
• Promote open communication and knowledge sharing within the team.
• Stay informed about crypto and blockchain trends to guide the company’s strategy.
• Research and recommend emerging technologies.
• Occasionally join client meetings to explain how our solution compares to competitors.

Requirements

8+ years of experience as a Software Engineer or in a similar role.

2+ years of experience in fintech or crypto, including blockchain work.

Noteworthy educational backgrounds (excluding executive certs from a year ago)

Proficient in Typescript and Rust (or similar languages).

Proven track record with developer tools, cybersecurity, infrastructure, and APIs.

Benefits

• Salary: €120,000-140,000 per year (full-time work contract).
• Equity: 300-600 stock options (i.e., 0.1-0.2%) vested over 4 years.
• Location: France or EU (fully remote with optional access to office)
• Equipment: MacBook Pro and other work essentials.