Senior SDET Jobs

Ledger

Location:
France, Paris

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

At Ledger, we’re proud to be the global platform for digital assets and Web3, with over 20% of the world’s crypto assets secured through our Ledger devices. With our headquarters in Paris, and offices in Vierzon, Grenoble, Montpellier, London, Portland, Geneva, Zurich and Central Singapore, we have a team of around 600 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets.

Job Responsibility:

Designing and improving tools, workflows, and processes that strengthen quality across the SDLC
Performing manual testing when automation is not practical or when deep exploratory validation is required
Building new and maintaining existing workflows for CI/CD pipelines
Maintaining automation frameworks and test tooling (primarily TypeScript
Python appreciated but optional)
Improving test coverage and helping teams integrate automated testing into their development routines
Integrating automated testing into Quality Assurance practices
Running workshops, coaching sessions, and pair-testing/pair-programming to raise automation maturity across teams
Communicating with product squads about the improvements following the strategy, sharing of experiences, best practices and lessons learnt

Requirements:

Hands-on experience in developing test automation solutions using Typescript (Python is optional)
Proficiency using QA Automation Frameworks : 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
Able to work effectively across multiple teams, build strong technical relationships, and operate in a highly collaborative environment
Curious, pragmatic, and innovative — you stay current with industry trends, challenge assumptions, and identify opportunities to improve quality and engineering efficiency
Strong communication and influence skills in spoken and written English, capable of explaining risks, trade-offs, and technical constraints clearly to both engineers and non-engineers
Broad technical awareness across different codebases, platforms, and testing approaches, with the ability to quickly understand new areas and guide teams toward better quality practices
Solid understanding of Bash/shell scripting and comfortable working with Kubernetes-based infrastructure (logs, pods, CI environments, debugging test environments, etc.)

Nice to have:

Python
Kubernetes-based infrastructure

What we offer:

Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week
Health & Wellness support - Health and Life Insurance
Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work
Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation
Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee

Additional Information:

Job Posted:
November 26, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior SDET