Developer - FX Derivatives

JR United Kingdom; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

A leading company in the financial technology sector seeks a Senior Python Developer in Bromley. This role involves building advanced trading systems and collaborating with front office teams, offering a significant opportunity to impact real-time trading operations. Candidates with a strong Python background and financial knowledge are encouraged to apply.

Qualifications

• Strong background in Python or other OO/functional languages.
• Deep knowledge of algorithms, data structures, and design patterns.
• Experience in financial systems, preferably in FX, Derivatives, or Fixed Income.

Responsibilities

• Building and maintaining mission-critical trading and pricing systems using Python.
• Designing resilient, low-latency, high-availability solutions for real-time trading.
• Collaborating with global dev teams in an agile setup.

Skills

Python

Agile Development

Algorithms

Data Structures

Financial Systems

Education

Degree in Computer Science, Engineering, Mathematics, or Physics

Tools

SQL

NoSQL

Job description

Social network you want to login/join with:

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Client:

Pontoon Solutions

Location:

london (bromley), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

31.05.2025

Expiry Date:

15.07.2025

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Job Description:

? Location: Bromley

Contract: 12 months initially (via umbrella)

? Work Model: Hybrid (3 days on-site, 2 days remote)

Shape the future of global trading technology.

A high-performing Front Office Technology team is looking for an exceptional Senior Python Developer to design and build cutting-edge, globally distributed financial systems. This is a unique opportunity to work in a fast-paced trading environment, collaborating directly with traders, quants, and operations teams to drive innovation in FX, Fixed Income, and Derivatives platforms.

If you’re a technologist at heart who writes clean, maintainable code and thrives under pressure, we want to hear from you.

? What You’ll Be Doing

• Building and maintaining mission-critical trading and pricing systems using Python (or C#/Java/C++)
• Designing resilient, low-latency, high-availability solutions for real-time trading
• Partnering with global dev teams in an agile setup (XP, Scrum, Kanban)
• Solving production issues as part of 3rd line support in live trading environments
• Collaborating with front-office users to deliver robust, scalable tools
• Contributing to CI/CD pipelines and automated test strategies

What You’ll Bring

• Strong background in Python (or other OO/functional languages)
• A degree in Computer Science, Engineering, Mathematics, or Physics
• Deep knowledge of algorithms, data structures, design patterns
• Experience in financial systems, preferably in FX, Derivatives, or Fixed Income
• Solid understanding of messaging middleware, TCP/IP networking
• Familiarity with agile development, CI/CD, and testing frameworks
• Calm and effective when tackling real-time production issues
• Experience with FX options or other derivatives
• Exposure to front-office platforms like Athena, SecDB, or Quartz
• Knowledge of financial protocols (e.g., FIX 4.4, FpML)
• Integration experience with broker feeds, trade repositories
• Proficiency in SQL or NoSQL database environments

? Why Apply?

This is more than just a coding role — it’s your chance to work on some of the most sophisticated trading systems in the financial world. You'll be joining a collaborative team that values smart engineering, creative problem-solving, and technical excellence — all while building software that has real-time, real-world impact.

Candidates will ideally show evidence of the above in their CV to be considered please click the “apply” button.

Please be advised if you haven't heard from us within 48 hours then unfortunately your application has not been successful on this occasion, we may however keep your details on file for any suitable future vacancies and contact you accordingly.

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.