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

Flowdesk; London; On-site; GBP 55,000 - 90,000; Full time

Job summary

An innovative firm in the crypto trading industry is seeking a Senior Backend Engineer to join their dynamic team. You will play a crucial role in building and scaling their brokerage OTC platform using cutting-edge technologies. This role offers the opportunity to work with a diverse group of international engineers while enhancing system reliability and performance. The company values ambition, caring, ownership, and humility, creating a collaborative environment where your contributions will significantly impact the future of crypto trading. If you're ready to tackle challenges in a fast-paced setting, this is the perfect opportunity for you.

Benefits

100% health coverage

Top-of-the-range equipment

Team events and offsites

Gym memberships coming soon

International mobility

Qualifications

• Experience with modern programming languages, especially Typescript.
• Strong problem-solving skills and experience with distributed systems.

Responsibilities

• Enhance reliability and performance of infrastructure as it scales.
• Integrate new technical microservices to strengthen infrastructure.

Skills

Typescript

Rust

Problem-solving

Test driven development

Distributed systems

Education

UK Citizenship

Tools

Docker

Kubernetes (K8s)

PostgreSQL

MySQL

NATS

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

• 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, Node.JS

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

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.
• 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 senior member of 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!