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Senior Backend Engineer

https://www.ledger.com Logo

Ledger

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Location:
France , Paris

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

Not provided
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Job Description:

We're making the world of digital assets accessible and secure for everyone. Join the mission. Ledger is looking for a Backend Engineer. You will be responsible for developing and scaling a backend application to allow big financial institutions to process their transactions in the cryptocurrency world. Build a solid and scalable platform for BtoB financial market.

Job Responsibility:

  • Design and develop our governance and orchestration layer
  • and a set of complex APIs
  • Communicate with cryptographic modules (HSM), and blockchain interfaces
  • Integrate new cryptocurrencies on Vault
  • Work closely with the Product team to define and understand end-user requirements, and translate them into pragmatic technical solutions
  • Work in cross-team environment: You will be in direct contact with Vault’s Frontend and QA engineers, but also with cross-functional teams such as Core, Firmware, Infrastructure, and Operations
  • Participate in firefighting sessions, and interface with stakeholders like Technical Account Managers

Requirements:

  • 5+ years of experience in Backend (Node.JS) / Software Engineering role, preferably in a product-based startup environment
  • 3+ years of experience in TypeScript as the primary language
  • Capable of self-training on backend languages like Python, RUST
  • Familiarity with software development best practices - version-control, code-reviews, testing, CI/CD
  • Work in an agile environment (Scrum/XP/Kanban)
  • Work in a multicultural environment - English is a MUST

Nice to have:

  • some experience in Python (Flask, FastAPI)
  • You have a sound knowledge of RESTful API design, standards and best practices
  • You have an interest in other API frameworks (e.g. GraphQL), and dabble in message based systems
  • You are keen to step outside your area of expertise, and contribute to all parts of a product
  • You have an interest in cryptocurrencies, and blockchain technology
  • You are active in the open-source community, speak at conferences, attend meetups, write blogs, contribute code, etc.
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, including Apple products.
  • 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
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