Python Backend Software Engineer, Ledger

Ledger

Location:

France, Paris

Category:

IT - Software Development

Contract Type:

Employment contract

Salary:

Not provided

Save Job

Apply Position

Job Description:

Join our Ledger Recover team as a talented Senior Software Engineer and play a key role in building and maintaining the infrastructure and backend systems that ensure the secure recovery of digital assets. This opportunity requires a strong security focus, familiarity with hardware integration (including HSMs), and the ability to work across both software and infrastructure layers. You'll be a vital part of a highly collaborative, cross-functional team dedicated to delivering the Ledger Recover product.

Job Responsibility:

Design, develop, and maintain secure backend services using Python and FastAPI for the Ledger Recover product
Implement and enhance testing frameworks with pytest to ensure robustness and security of code
Collaborate with the hardware team to integrate software with HSMs and other security devices
Build and maintain cloud infrastructure using AWS, Kubernetes, and Helm, ensuring high availability and security compliance
Enhance the security posture of the Ledger Recover system, including implementing best practices for cryptographic operations
Support quality assurance processes, identifying vulnerabilities and addressing potential threats

Requirements:

Proficiency in Python 3 with experience in frameworks like FastAPI, coupled with a solid understanding of security principles (cryptography, secure system design)
Proficient in secure code development and testing using pytest, with knowledge of infrastructure tools like AWS, Kubernetes, and Helm
Experience with security-focused QA processes, ensuring system resilience
Strong problem-solving skills and a security-first mindset, with excellent communication and collaboration abilities
Full professional proficiency in English
A passion for innovation and secure technology development
Familiarity with microservice architecture concepts

Nice to have:

Understanding of HSMs and their integration into software solutions
Familiarity with frontend development (TypeScript, Next.js) and end-to-end testing tools (Playwright)
Prior experience in the blockchain or crypto domain

What we offer:

Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
Flexibility: A hybrid work policy
Social: Annual company outing for Ledgerdary Days, plus frequent social events, snacks and drinks
Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
Well-being: Personal development, coaching & fitness with our dedicated partners
Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days
High tech: Access to high performance office equipment and gadgets
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products

Additional Information:

Job Posted:

March 24, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

View All Jobs In This Company

Job Link Share: