Senior Developer (Trading Systems)

JR United Kingdom; London; On-site; GBP 80,000 - 90,000; Full time

Job summary

An established industry player in the trading sector is seeking a Senior Developer to join their dynamic team in London. This role offers the opportunity to innovate and enhance trading platforms, contributing to key functions such as trade capture and market connectivity. With a competitive salary and a comprehensive benefits package, including a significant bonus and pension contributions, this position is ideal for a motivated developer eager to thrive in a fast-paced environment. Join a forward-thinking company that values technical expertise and offers a platform for professional growth.

Benefits

Private medical/dental

Life insurance

Income protection

Employer pension contribution

Qualifications

• Proven experience in trading environments like hedge funds or investment banks.
• Excellent SQLServer database design and optimization skills.

Responsibilities

• Creating new features within Trading Systems to facilitate company growth.
• Building solutions for front office users including trade entry and exchange interfaces.
• Customizing Trading System user interface using ClassEvents.

Skills

C#.NET

SQLServer

Trading Systems

APIs

Data Pipelines

Test Automation

Problem-Solving

Job description

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Client:

X4 Technology

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

5

Posted:

05.05.2025

Expiry Date:

19.06.2025

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Job Description:

Tech stack: C#.NET and SQL Server

Domain: Trading

Compensation: £80,000-90,000, 20-30% bonus, 10% pension, and much more

X4 Technology is partnered with a high-growth, well-capitalised trading house in London, offering a unique opportunity for a Senior Developer (Trading Systems) to join their global team of 400.

In this key position within their technology group, you'll help drive the innovation and evolution of vendor and proprietary trading platforms—developing solutions to support key functions like trade capture, market connectivity, STP, risk, pricing, and settlement.

You'll also contribute to major investments in system enhancement, customization, and integration—linking core trading systems with modern SaaS solutions for analytics, hedging, credit, regulatory reporting, and more.

Responsibilities of the Senior Developer (Trading Systems):

• Creating new features within Trading Systems to facilitate company growth
• Building solutions for front office users (trade entry, exchange interfaces, STP, etc.)
• Designing new bespoke views
• Customizing Trading System user interface using ClassEvents (C#.NET)
• Modifying the Trading System data model directly in SQL Server database
• Enhancing test automation and unit testing capabilities for custom code
• Developing customized applications (APIs, loaders, reports, data pipelines, BI tools)

Requirements of the Senior Developer (ETRM):

• Proven experience within trading environments (hedge funds, investment banks, trading houses, asset managers, fintechs, trading vendors e.g., ETRM platforms)
• Familiarity with front-office trading concepts and workflows
• Excellent SQL Server database design and optimization skills
• High motivation to continually develop technical skillset
• Strong problem-solving mindset and ability to thrive in a fast-paced environment

Compensation: Attractive package including £80,000-90,000 salary, 20-30% bonus, 10% employer pension contribution, private medical/dental, life insurance, income protection, and much more.

Interview process: First-round video interviews are scheduled for the week commencing 28th April, with the full 3-stage recruitment process expected to conclude by mid-May.

Please apply online for immediate consideration.