OTC Software Engineer UK (F/M/D)

Flowdesk
London

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.

Posted 2026-02-03

Recommended Jobs

Customer Service Respresentative

Richmond upon Thames, Greater London

We are looking for a skilled Customer Service Representative to join our team. Salary up to £30K  Discretionary bonus paid annually July/August up to 10% dependent of company profits The pr…

View Details
Posted 2026-02-27

Consultant Anaesthetist - Australia

Mediix
London

Join us as a Consultant Anaesthetist in beautiful regional Australia Are you a UK-trained Anaesthetist seeking a unique career and lifestyle change? We have multiple permanent Consultant Anaes…

View Details
Posted 2026-02-27

Geography Teacher (ECT Support) - Barnet | Independent...

Marchant Recruitment
Barnet, Greater London

We are working with a leading independent school in Barnet recruiting for a Geography ECT. The school prioritizes fieldwork and global citizenship, providing a unique platform for a new teacher to …

View Details
Posted 2026-01-27

Passionate Year 3 Teacher | Thriving Primary School in Brent

Marchant Recruitment
Brent, Greater London

We are seeking a dedicated and enthusiastic Year 3 Teacher to join a welcoming and inclusive primary school in Brent . This full-time, permanent role offers the opportunity to deliver high-qualit…

View Details
Posted 2025-10-07

EMEA Head of Marketing, Citi Private Bank, Director

Citi
London

The EMEA Head of Marketing for Citi Private Bank is a strategic leadership role, pivotal in defining and driving the regional marketing strategy across Europe, the Middle East, and Africa, aligned to…

View Details
Posted 2026-02-27

Sales Consultant

Bensons for Beds
London

As a Sales Consultant in your local store, your product knowledge and natural ability to engage with customers and advise them on Sleep wellness will help them find the right sleep products for their…

View Details
Posted 2025-12-16

Embedded Corporate Regional Security Manager UK/EU- Speculative Applications

Control Risks
London

Provide relevant business first, risk proportionate, pragmatic security advice and support for all client sites and personnel within area of operations aligned to the global Corporate Security Ope…

View Details
Posted 2025-12-18

Trust Manager - STEP/CTA Top 30 Practice

Pro-Recruitment Group
London

Trust Manager - STEP/CTA Top 30 Practice £75,000 plus Benefits London / Hybrid Our client is one of the leading top 30 accountancy practices in the UK. As part of an ongoing programme of …

View Details
Posted 2026-02-27

Secondary Education Recruitment Consultant - London - Warm desk

East London

This opportunity is for an experienced Education Recruitment Consultant to join a large and successful Secondary desk. You would be working alongside 2 other experienced Recruiters on this particular…

View Details
Posted 2026-01-09

Humanities Teacher - Outstanding School (TLR £5000)

Marchant Recruitment
Croydon, Greater London

Humanities Teacher - Croydon, South London (Catholic School) &##128506;️ We are currently looking for a passionate and dedicated Humanities Teacher to join a well-regarded Catholic secondary sc…

View Details
Posted 2025-10-16