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

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

Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Join us to enhance our brokerage OTC platform and solve technical challenges.
  • Company: Flowdesk is revolutionising the crypto trading industry with innovative technology.
  • Benefits: Enjoy 100% health coverage, top-notch equipment, team events, and upcoming gym memberships.
  • Why this job: Be part of a dynamic international team and make an impact in the crypto ecosystem.
  • Qualifications: Experience in modern programming languages, distributed systems, and complex system design required.
  • Other info: Open to applicants who may not meet all qualifications—just tell us why you should be considered!

The predicted salary is between 36000 - 60000 £ per year.

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 revolutionise 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 the 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 optimise 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!

Senior Back-End Engineer - OTC UK (F/M/D) employer: Job Traffic

At Flowdesk, we pride ourselves on being an innovative employer in the fast-evolving crypto trading industry. Our dynamic work culture fosters ambition and collaboration, providing employees with top-notch equipment and comprehensive health coverage, alongside exciting growth opportunities within an international team. Join us in shaping the future of digital assets while enjoying unique benefits like gym memberships and team events in a supportive environment.
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Contact Detail:

Job Traffic Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Back-End Engineer - OTC UK (F/M/D)

✨Tip Number 1

Familiarise yourself with the technologies mentioned in the job description, especially Rust and Typescript. Being able to discuss your experience or projects involving these languages will show your enthusiasm and readiness to contribute.

✨Tip Number 2

Prepare to discuss your experience with distributed systems and complex system design. Think of specific examples where you’ve successfully tackled challenges in these areas, as this will demonstrate your problem-solving mindset.

✨Tip Number 3

Research Flowdesk’s company culture and values. Be ready to share how your personal values align with theirs, particularly around ambition, ownership, and teamwork, as this can set you apart during the interview process.

✨Tip Number 4

Engage with the crypto trading community online. Whether through forums, social media, or local meetups, showing that you’re active in the space can highlight your passion for the industry and make a positive impression.

We think you need these skills to ace Senior Back-End Engineer - OTC UK (F/M/D)

Proficiency in Typescript
Experience with Rust programming language
Test Driven Development (TDD)
Understanding of distributed systems
System architecture design
Knowledge of design patterns
Performance optimisation skills
Problem-solving mindset
Experience with Docker and Kubernetes (K8s)
Familiarity with PostgreSQL and MySQL
Integration of microservices
Experience with web3 libraries (ethers.js, go-ethereum)
Familiarity with Hexagonal Architecture
Ability to work in a fast-paced environment
Strong communication skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience in back-end development, particularly with the technologies mentioned in the job description such as Typescript, Rust, and distributed systems. Use specific examples to demonstrate your skills and achievements.

Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention how your background aligns with Flowdesk's mission to revolutionise the crypto trading industry. Don’t forget to address any gaps in your experience and explain why you’re still a great fit.

Showcase Problem-Solving Skills: Prepare to discuss specific challenges you've faced in previous roles and how you overcame them. Flowdesk values a problem-solving mindset, so be ready to provide examples that demonstrate your ability to tackle technical issues efficiently.

Research Company Culture: Familiarise yourself with Flowdesk's culture and values. Reflect on how your personal values align with theirs, especially regarding ambition, caring, ownership, and humility. This will help you convey a genuine interest in being part of their team during interviews.

How to prepare for a job interview at Job Traffic

✨Showcase Your Technical Skills

Be prepared to discuss your experience with the technologies mentioned in the job description, such as Rust, Typescript, and Docker. Highlight specific projects where you've successfully implemented these technologies, demonstrating your ability to enhance infrastructure and solve technical issues.

✨Emphasise Problem-Solving Abilities

Flowdesk values a problem-solving mindset, so come ready with examples of challenges you've faced in previous roles. Discuss how you approached these problems, the solutions you implemented, and the outcomes, showcasing your ability to thrive in a fast-paced environment.

✨Understand Company Culture

Familiarise yourself with Flowdesk's culture and values, such as ambition, caring, ownership, and humility. Be ready to discuss how your personal values align with theirs and provide examples of how you've demonstrated these qualities in your work.

✨Prepare for Technical Discussions

Since the interview process includes technical discussions, brush up on your knowledge of distributed systems and test-driven development. Be ready to explain your design choices and thought processes clearly, as this will help you stand out as a candidate who can contribute to their innovative projects.

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

    Full-Time
    36000 - 60000 £ / year (est.)

    Application deadline: 2027-07-13

  • J

    Job Traffic

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