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Ledger

Senior SDET (f/m)

Sorry, this job was removed at 12:18 p.m. (GMT) on Monday, May 12, 2025
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Hybrid
London, Greater London, England
Hybrid
London, Greater London, England

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We're making the world of digital assets accessible and secure for everyone. Join the mission. 

Founded in 2014, Ledger is the global platform for digital assets and Web3. Over 15% of the world’s crypto assets are secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with offices in the UK, US, Switzerland and Singapore, Ledger has a team of more than 600 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 5 millions units already sold in 180 countries.  
At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust, and Transparency. Have a look at our Origins video here

As an SDET at Ledger, you'll collaborate with a team of QA Automation Engineers to create tools and processes that enable product squads to independently manage test automation and take responsibility for the quality of their deliverables.

The mission

  • Designing and developing tools to improve quality assurance process for all contributors of SDLC
  • Build new and maintain existing workflows for CI/CD pipelines
  • Creating and developing test automation frameworks
  • Developing and implementing processes and approaches for effective automation testing
  • Integrating automated testing into Quality Assurance practices
  • Conducting workshops and pair-programming sessions with different teams
  • Communicating with product squads about the improvements following the strategy, sharing of experiences, best practices and lessons learnt

What we're looking for

  • Hands-on experience in developing test automation solutions using TypeScript 
  • Experience in a web automation testing framework such as Playwright, Detox or Selenium
  • Proficient in front-end and back-end testing tools and approaches 
  • Good knowledge of development processes, design patterns and programming principles
  • Prior experience designing workflows and building CI/CD pipelines
  • Strong analytical and problem-solving skills
  • Team player and able to work in a collaborative environment
  • Ability to think outside of the box and be innovative by keeping abreast of new trends, identifying opportunities to bring in change for business benefit
  • Strong communication skills in spoken and written English

Bonus points

  • Experience in blockchain products testing and automation
  • Java knowledge
  • Good knowledge of other programming languages
  • Experience with AWS, Docker containers, Kubernetes
  • Speaking French is a bonus

What's in it for you?

  • 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.

We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age.

#LI-Hybrid #LI-RDH

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