Operations Software Engineer

Xantium; City Of London; On-site; GBP 111,000 - 168,000; Full time

Job summary

A financial technology firm based in London is seeking Operations Software Engineers to enhance trade lifecycle management through technology. This role involves developing systems for trade capture and reconciliation, automating workflows, and integrating with external platforms. Candidates should have a degree in a relevant field and substantial software engineering experience in finance, with strong programming skills in Python or Java. Competitive compensation includes a base salary and performance bonuses.

Qualifications

• 3–7+ years of professional software engineering experience in finance.
• Strong understanding of the trade lifecycle (execution → confirmation → settlement → reconciliation).
• Detail-oriented with strong problem-solving skills.

Responsibilities

• Develop and maintain systems for trade capture and reconciliation.
• Automate workflows and reduce errors with Operations and Finance.
• Integrate with external systems like brokers and fund administrators.
• Make architectural decisions for fund growth and reliability.

Skills

Python

Java

SQL databases

Data modeling

Problem-solving

Education

Bachelor’s degree in Computer Science, Engineering, or a related field

Tools

Cloud platforms (AWS, GCP, Azure)

Job description

Overview

As a spinout from Tudor Investment Corp, Xantium is launching a multi-strategy hedge fund focused on delivering consistent returns through innovative trading strategies, robust risk management, and cutting-edge technology. As we scale, we are investing heavily in our operations technology to reduce manual work, optimize our relationships with brokers, and prevent errors. As such, we seek multiple Operations Software Engineers (OSEs) to design, build, and maintain technology that powers the operational backbone of Xantium. OSEs will work closely with Operations, Finance, Risk, Treasury, and Compliance teams to deliver systems that ensure smooth trade lifecycle management, reporting, and reconciliation. This is a highly visible role in which contributions will directly impact the efficiency and scalability of the fund. At this moment, team lead as well as individual contributor OSE roles are available.

Key responsibilities

• Developing and maintaining systems supporting trade capture, reconciliation, settlement, risk, treasury, P&L, and regulatory reporting
• Partnering with Operations and Finance to automate workflows and reduce errors
• Building integrations with external systems such as prime brokers, fund administrators, custodians, and regulatory platforms
• Making architectural decisions that will support the fund’s rapid growth and long-term reliability

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 3–7+ years of professional software engineering experience in finance
• Strong programming skills in Python or Java
• Experience with SQL databases and data modeling
• Familiarity with the trade lifecycle (execution → confirmation → settlement -> reconciliation)
• Strong problem-solving skills with an eye for detail and data integrity

Nice to have

• Knowledge of FIX protocols, SWIFT messaging, or regulatory reporting frameworks
• Experience with cloud platforms (AWS, GCP, Azure)
• Familiarity with data pipelines, scheduling tools, or workflow orchestration

Compensation

OSEs in New York can expect to earn $150,000 to $225,000+ base. Total compensation for all OSEs also includes a large annual bonus which is guaranteed in year one and based on employee and firm performance thereafter.