Senior Back-End Engineer EMEA (F/M/D)

Flowdesk; London; On-site; GBP 150,000 - 200,000; Full time

Job summary

A financial technology company in London is seeking a developer to improve its infrastructure and integrate new microservices. The ideal candidate has proficiency in programming languages like JavaScript and Go, along with a keen interest in digital assets and financial markets. Join us to contribute to a culture of ambition, ownership, and collaboration.

Benefits

50% of transportation costs

Swile lunch voucher (€9.25 per day)

100% Alan Blue coverage

Wellpass contribution to gym membership

Top-range equipment

Team events and offsites

Qualifications

• Experience with one or several test frameworks.
• Experience in designing complex systems and architecture.
• Interest in financial/capital markets.

Responsibilities

• Improve infrastructure’s reliability and performance.
• Enhance data acquisition channels.
• Solve incoming issues.
• Integrate new technical/financial microservices.

Skills

Programming experience with modern language

Clean and testable code

Complex systems design

Professional proficiency in English

Interest in algorithmic trading

Interest in digital assets

Tools

Rust

Go

JavaScript

TypeScript

Job description

Flowdesk 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.

Therefore, 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.

Working hand in hand with the Markets team and the Sales team, you'll take part in the construction of Flowdesk's products and support the growth of our market-making infrastructure with the latest cloud and deployment technologies.

In a team of 8 developers, your mission will be to

• Improve the infrastructure’s reliability and performance
• Enhance our data acquisition channels
• Solve incoming issues
• Integrate new technical/financial microservices
  

Have a look at our stack here

Background & experience

• Programming experience with at least one modern language - Rust and Go is a plus
• Experience with one/several test frameworks
• Habit of writing clean and testable code
• Experience in designing complex systems (architecture, design patterns, reliability and scaling)
  

Nice to Have

• Experience with any web3 libraries (ethers.js, go-ethereum, etc...)
• Experience with Hexagonal Architecture
• Experience in Financial/Capital Markets

Skills and personality

• Professional proficiency in English, French is a plus
• JavaScript/TypeScript/Go languages
• Interest in algorithmic trading
• Interest in financial/capital markets
• Interest in digital assets/cryptocurrency/DLT/blockchain
• Open-minded and curious
• Highly innovative, flexible and self-directed
• Software Craftsmanship mindset
• Passionate about new technologies

Company Culture and Values

At Flowdesk, our culture drives our success. Here’s how we live it

• Ambition, We aim to conquer an impactful place in the crypto ecosystem while representing Tech expertise. We're always moving quickly toward our goals.
• 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.
• Collaboration, While speed matters, we believe in waiting for others to move forward together. That’s how we achieve success as a team.

> 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

> Top of the range equipment, Macbook, iPhone, keyboard, laptop stand, 4K monitor & headphones

> Team events and offsites

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

1. HR interview (30')
2. Technical test
3. Technical interview (60')
4. Chat with the Head of People (30') and the Head of Department (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!