Staff Software Engineer - Backend, Ledger

Ledger

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Employment contract

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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Staff Software Engineer - Backend