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Staff Software Engineer - Backend

https://www.ledger.com Logo

Ledger

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Location:
United Kingdom , London

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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:

You will join the Cloud Wallet team responsible for building backend services to manage crypto wallets on the server side for B2B and B2C products. The team uses Scala extensively and collaborates with other backend teams. Responsibilities include building robust services, performance optimization, and implementing CI/CD workflows.

Job Responsibility:

  • Build highly available, consistent, and well-functioning services to power Ledger's products
  • Leverage all the power of functional programming with Scala and the Typelevel stack
  • Dive into cryptocurrencies protocols internals
  • Conduct benchmarks to identify bottlenecks and optimize the overall performance of our services
  • Deliver a high-quality piece of software (Test it, Document it, Demonstrate it)
  • Design monitoring and alerting systems to detect unexpected failures/behavior
  • Use CI/CD to deploy and secure workflows

Requirements:

  • Demonstrable experience and knowledge of backend services programming
  • An interest in working in a polyglot environment (Scala experience is not mandatory, but a real plus)
  • Knowledge of relational databases and SQL (we use Postgres)
  • Knowledge of Linux operating systems
  • Adaptability to work within a team in an evolving environment: You are autonomous, proactive, and able to upskill in certain areas yourself where necessary
  • Experience with continuous integration/deployment solutions
  • Knowledge of containerization and cloud deployments
  • An interest in cryptocurrencies and wishing to work with blockchain technology is a real plus
  • Enthusiastic about teamwork, learning, and teaching (meet-ups, hackathons, training...)

Nice to have:

  • Scala experience
  • An interest in cryptocurrencies and blockchain technology
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: Frequent social events, snacks and drinks in our Holborn office
  • Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
  • Well-being: Personal development, coaching & fitness with our dedicated partners
  • Vacation: 28 days of paid leave per year, in addition to national holidays
  • 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:
May 13, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
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