OTC Software Engineer UK (F/M/D)

Reposted 22 Days Ago
Be an Early Applicant
London, Greater London, England, GBR
In-Office
Senior level
Fintech • Cryptocurrency
The Role
The Software Engineer will develop high-performance trading systems for OTC operations, optimize trading infrastructure, and collaborate on trading strategies and workflows.
Summary Generated by Built In

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 look for 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.

We are seeking Software Engineer with extensive experience in OTC trading to join us. You will design, develop, and maintain high-performance trading systems that power our OTC operations.


Requirements

Key Responsibilities

  • Develop and optimize trading infrastructure for OTC execution and settlement.
  • Collaborate with traders, quants, and cross-functional teams to implement trading strategies and workflows.
  • Build scalable APIs and microservices for trade lifecycle management, pricing, and risk systems.
  • Design resilient solutions for clearing, settlement, and regulatory compliance Required.

Qualifications

  • Extensive hands-on experience building OTC trading systems or platforms.
  • 5+ years of software engineering experience with strong expertise in low-level programming language.
  • Deep understanding of financial markets, trade lifecycle, and OTC market structures
  • Experience programming in C/C++/Rust


Nice to Have

  • Rust programming experience highly valued.
  • Knowledge of cryptocurrency or digital asset markets.
  • Familiarity with trading protocols (FIX, WebSocket) and market data systems.
  • Experience with high-frequency or algorithmic trading.

Benefits
    • International environment (English is the main language)
    • Pension
    • 100% health coverage
    • Team events and offsites

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.

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 Discussion with hiring manager (30')
  3. Technical Test
  4. Chat with the Head of Engineering (45')
  5. Chat with CTO (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!

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.

Top Skills

Fix
Rust
Websocket
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The Company
67 Employees
Year Founded: 2020

What We Do

Flowdesk is a globally-based financial technology company with offices in Paris and Singapore. Founded in 2020, Flowdesk combines significant experience from traditional markets with acute knowledge of algorithmic trading and crypto. We have developed a trading infrastructure which integrates more than 70 centralized and decentralized exchanges. We’ve combined this technology to our expertise to bring the best of crypto finance to our clients, always putting their interests firsts. Flowdesk provides a wide range of digital assets services such as market-making, custody, brokerage and treasury management. Flowdesk is made by unique individuals who are technologist, innovation driven and convinced by the positive impacts crypto will have on the world. We are putting impact at the heart of everything we do, with the highest level of compliance and ethics.

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