Senior Back-End Engineer - OTC Paris (F/M/D)

Senior Back-End Engineer - OTC Paris (F/M/D), Paris

Client:

Flowdesk

Location:

Paris, France

Job Category:

Other

EU work permit required:

Yes

Job Reference:

a6a1d58a37d4

Job Views:

1

Posted:

19.04.2025

Expiry Date:

03.06.2025

Job Description:

Do you thrive in a fast-paced, innovative environment? Are you excited to build cutting-edge technology in the digital asset space? At Flowdesk, we’re on a mission to revolutionize the crypto trading industry, and we want you to be part of this exciting journey!

Flowdesk is growing fast, and as a Senior Backend Engineer, you’ll work closely with our Trading and Sales teams to build and scale our brokerage OTC platform using the latest cloud and deployment technologies. You’ll be part of a dynamic squad of international engineers and among the first in UK OTC Tech team.

Responsibilities include and are not limited to:

• Enhance the reliability and performance of our infrastructure, ensuring it scales with our growth.
• Improve data acquisition channels, ensuring our systems are always fed with real-time, accurate data.
• Solve incoming technical issues quickly and efficiently, ensuring minimal downtime.
• Integrate new technical/financial microservices that will further strengthen our infrastructure.

Our stack: Rust, Typescript, NodeJS, Docker, K8s, NATS, PostgreSQL, MySQL.

Requirements

What We’re Looking For:

• Programming experience with at least one modern language and the confidence to work on Typescript (Rust is a plus, but be open to using it).
• Experience with test-driven development to ensure that our code is clean, reliable, and scalable.
• Experience with distributed systems.
• A track record of designing complex systems (architecture, design patterns, reliability, and scaling).
• Problem-solving mindset, able to tackle challenges and optimize solutions in a fast-paced environment.
• Nice-to-Haves:
• Experience with web3 libraries (ethers.js, go-ethereum, etc.).
• Familiarity with Hexagonal Architecture.
• Experience within a trading environment.
• Must be a UK Citizen.

Company Culture and Values:

• Ambition: We aim to conquer an impactful place in the crypto ecosystem while representing Tech expertise. We're always moving quickly toward our goals.
• Caring: While speed matters, we believe in waiting for others to move forward together. That’s how we achieve success as a team.
• Ownership: If you believe in something, own it, make it happen, or at least learn from it.
• Humility: The final result is a puzzle built by everyone’s efforts—not one person takes all the credit.
• International environment (English is the main language).
• 100% health coverage.
• Top-of-the-range equipment, Macbook, keyboard, laptop stand, 4K monitor & headphones.
• Team events and offsites.
• Coming soon, gym memberships, international mobility & many other cool benefits.

Recruitment process

Are you interested in this job but feel you haven't ticked all the boxes? Don't hesitate to apply and tell us in the cover letter section why we should meet.

Here's what you can expect if you apply:

• HR interview (30')
• Technical test
• Technical discussion with a senior member of the Technology team
• Technical interview with the VP OTC Technology (60')
• Chat with the Head of People (30')

On the agenda - discussions rather than trick questions! These moments of exchange will allow you to understand how Flowdesk works and its values. But they are also (and above all) an opportunity for you to present your career path and your expectations for your next job.

Please note: If you are NOT a passport holder of the country for the vacancy you might need a work permit. Check our Blog for more information.

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