Backend Engineer - Blockchain Application

Company Overview

Ledger is dedicated to democratizing access to digital assets efficiently and securely. Our global presence spans headquarters in Paris and Vierzon, with additional offices in the UK, US, Switzerland, and Singapore. With a team of over 700 professionals and more than 6 million Ledger hardware wallets sold worldwide, we are committed to providing individuals and businesses with secure solutions for managing crypto assets. Our core values include Pragmatism, Audacity, Commitment, Trust, and Transparency.

Role Overview

We are seeking a skilled Backend Engineer to play a pivotal role in developing and scaling a backend application tailored for large financial institutions operating in the cryptocurrency sphere. The primary project, Ledger Vault, offers an enterprise-grade SaaS solution that ensures the secure management of diverse cryptocurrencies using cutting-edge security technologies.

Responsibilities

• Design and implement governance and orchestration layers as well as complex APIs.
• Collaborate with cryptographic modules (HSM) and blockchain interfaces.
• Expand Vault capabilities by integrating new cryptocurrencies.
• Engage with product teams to understand and address end-user requirements effectively.
• Work collaboratively with cross-functional teams, including Frontend, QA, Core, Firmware, Infrastructure, and Operations.
• Participate in troubleshooting sessions and liaise with stakeholders.

Qualifications

• 5+ years of experience in Backend/Software Engineering in startup environments.
• Expertise in Python (Flask, FastAPI) with an ability to self-train in languages like Scala, C++, or NodeJS.
• Proficient in software development best practices including version control, code review, testing, and CI/CD.
• Experience working in Agile methodologies and multicultural settings.

Desired Skills

• Familiarity with RESTful API design principles.
• Interest in alternative API frameworks and message-based systems.
• Willingness to contribute across different product areas.
• Passion for cryptocurrencies and blockchain technology.
• Active participation in open-source community activities.

Benefits

• Stock options to share in the company's success.
• Hybrid work policy for flexibility.
• Annual company events and social gatherings.
• Comprehensive health insurance coverage.
• Personal development and fitness programs.
• Generous paid leave and additional holidays.
• Access to high-performance office equipment.
• Transportation reimbursement and employee discounts on products.

Ledger is an equal opportunity employer committed to diversity and inclusivity across all aspects of our organization.