Web3 Developer Jobs in Paris, France

Flowdesk's mission is to build a global financial institution for digital assets, one designed from the ground up for market integrity and efficiency.

To achieve this in a rapidly evolving market, we apply a disciplined, first-principles approach to everything we do. This approach is embedded in our core services, from institutional liquidity provision, trading solutions, OTC execution to our comprehensive treasury management offerings. This is how we cut through the noise and build robust and scalable systems across all our business lines.

We seek individuals who are driven by this systematic approach. Joining Flowdesk means you will be a key contributor in building and scaling a more transparent and efficient financial markets infrastructure.

As a Junior QA Engineer, you will work closely with our product and engineering teams to ensure the high quality and reliability of our client-facing platform. This is a hands-on position where you will help define, execute, and automate test plans for new features and existing functionalities. Your curiosity for technology, particularly coding, and your ability to systematically test and break features will help us deliver a flawless user experience for our clients.

This position is ideal for someone analytic, detail-oriented, and eager to grow their skills, especially in automation and the world of fintech and crypto trading.

Your mission will be to

• Execute manual testing strategies and systematically identify, document, and report bugs or inconsistencies.
• Actively participate in the definition and challenge of specifications, identifying edge cases and alternative user journeys.
• Automate test cases using Typescript and contribute to maintaining and improving our automated testing suite.
• Collaborate using GitHub for version control and code reviews.
• Leverage curiosity and technology affinity to propose new tools or methods for improving quality assurance and testing efficiency.
• Explore the use of AI tools for test generation or scenario discovery.
• Contribute to a culture of excellence and rigor, ensuring newly released features are thoroughly validated before going live.

Must Have

• English is mandatory
• Rigor and attention to detail - you thrive on meticulously breaking things to make them better.
• Affinity with technology and motivation to code - eager to move from manual to automated testing over time.
• Experience using GitHub for workflow and collaboration.
• Typescript programming skills (at a junior level or above).
• Genuine curiosity for how things work, with a systematic approach to exploring and testing applications.

Nice to Have

• Experience with test management platforms (e.g. Squash or similar).
• Familiarity with crypto trading or a strong interest in web3/crypto technologies.

> International environment (English is the main language)

> 50% of transportation costs & a sustainable mobility agreement

> Swile lunch voucher (€9.25 per day, 60% covered)

> 100% Alan Blue covered for you and your children

> Wellpass contribution to gym membership

> Team events and offsites

Here's what you can expect if you apply

We focus on conversations, not trick questions. These discussions will help you understand how Flowdesk operates and allow you to share your journey and what you’re looking for in your next role.

We are committed to an inclusive and accessible recruitment process. If you require any reasonable adjustments or have specific needs to enable you to participate fully in the interview or assessment process (e.g., a sign language interpreter, extra time for a test, or an accessible location), please contact us to discuss how we can support you.

Must Have

• English is mandatory
• Rigor and attention to detail - you thrive on meticulously breaking things to make them better.
• Affinity with technology and motivation to code - eager to move from manual to automated testing over time.
• Experience using GitHub for workflow and collaboration.
• Typescript programming skills (at a junior level or above).
• Genuine curiosity for how things work, with a systematic approach to exploring and testing applications.

Nice to Have

• Experience with test management platforms (e.g. Squash or similar).
• Familiarity with crypto trading or a strong interest in web3/crypto technologies.

> International environment (English is the main language)

> 50% of transportation costs & a sustainable mobility agreement

> Swile lunch voucher (€9.25 per day, 60% covered)

> 100% Alan Blue covered for you and your children

> Wellpass contribution to gym membership

> Team events and offsites

Here's what you can expect if you apply

We focus on conversations, not trick questions. These discussions will help you understand how Flowdesk operates and allow you to share your journey and what you’re looking for in your next role.

We are committed to an inclusive and accessible recruitment process. If you require any reasonable adjustments or have specific needs to enable you to participate fully in the interview or assessment process (e.g., a sign language interpreter, extra time for a test, or an accessible location), please contact us to discuss how we can support you.