Principal Software Engineer

Recruitment Room; France; À distance; EUR 120 000 - 140 000; Plein temps

Résumé du poste

A innovative company is seeking a Principal Software Engineer to join its team of experts in developing blockchain wallet infrastructure. This role requires extensive experience in software engineering and a strong focus on delivering high-quality solutions. You will work closely with management to define project requirements and implement best practices in the software development process. This position offers a competitive salary, equity options, and the opportunity to work remotely while contributing to cutting-edge technology in the fintech industry.

Prestations

Equity: 300-600 stock options vested over 4 years

Equipment: MacBook Pro and work essentials

Qualifications

• 8+ years of experience in Software Engineering or related roles.
• 2+ years active in fintech or crypto, with blockchain work.
• Solid knowledge of algorithms, data structures, and software testing.

Responsabilités

• Lead software change and release management to meet high-quality standards.
• Collaborate with teams to ensure product scalability and reliability.
• Troubleshoot and resolve complex software issues effectively.

Connaissances

Problem Solving

Organizational Skills

Communication

Software Quality Assurance

Formation

Bachelor's degree in Computer Science

Outils

AWS

Typescript

Rust

PostgreSQL

NoSQL

Description du poste

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.

Preferred experience
Responsibilities

• Share the teams 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 companys 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 related role.
• 2+ years of experience in fintech or crypto, including blockchain work.
• Bachelors degree or higher in computer science or similar field.
• Proficient in Typescript and Rust (or similar languages).
• Proven track record with developer tools, cybersecurity, infrastructure, and APIs.
• Extensive experience designing and developing secure APIs (RESTful and GraphQL).
• Skilled in evaluating and improving engineering decisions.
• Writes unit, integration, end-to-end, and performance tests; practices chaos engineering.
• Experienced in identifying and fixing performance bottlenecks.
• Familiar with backend security, public key cryptography, hardware and firmware security, banking security models, encryption, and code vulnerabilities.
• Strong knowledge of SQL (PostgreSQL) and NoSQL databases.
• Hands-on experience with AWS services like Lambda, API Gateway, DynamoDB, S3, CloudFormation, and CloudWatch.
• Skilled in building CI/CD pipelines, 12-Factor Apps, and domain-driven microservices.
• Solid understanding of Functional, Object-Oriented, and Logic Programming.
• Experience building observable systems with monitoring tools, including SIEMs.
• Strong knowledge of algorithms and data structures.
• Excellent problem-solving skills and ability to advocate for ideas.
• Performs well under pressure with clear communication and decision-making.
• Strong written and verbal communication skills.
• Entrepreneurial mindset paired with professionalism.

Compensation & Package

• 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.

Interview Process
1 Hiring Manager Interview

• Intro call with Co-CEO (30 min).

2 Behavioral Interview

• Personality and cognitive tests.

3 Technical Interview

• Interview with the CTO - (30 mins)

4 Take Home Test5 Group Interview

• Focus interview with hiring panel (90 min).