Software Engineer

The Cypress Group; London; On-site; GBP 59,524 - 119,048; Full time

Benefits offered by this job

Employer-funded private GP access

Employee Assistance Program

25+ days holiday

Paid tuition assistance

Wellness benefits

Competitive salary

Job summary

A global leader in market infrastructure is seeking a Python Software Engineer in London. This role involves developing optimization systems for trading operations, collaborating with stakeholders, and supporting mission-critical systems. Ideal candidates have a degree in Computer Science and experience with Python, SQL, and Linux. Benefits include a competitive salary, wellness programs, and flexible work arrangements.

Responsibilities

• Collaborate with stakeholders to design trading features.
• Develop reliable Python systems for core operations.
• Provide operational support for trading systems.

Skills

Testable, maintainable, high-quality code

Advanced SQL techniques

Linux environments

Algorithms and data structures

Education

Degree in Computer Science or related field

Tools

PostgreSQL

Snowflake

Kafka

Django

Flask

FastAPI

Java

Job description

This range is provided by The Cypress Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$80,000.00/yr - $160,000.00/yr

Additional compensation types

Annual Bonus

We are a global leader in market infrastructure and trading solutions, providing the backbone that powers modern financial markets. Our platforms support a wide range of products and participants, enabling efficient, reliable, and innovative trading experiences worldwide.

Our teams thrive on collaboration, problem-solving, and building trusted technology at scale. We invest in personal and professional development, encourage knowledge-sharing across teams, and create opportunities for growth through mentorship, mobility, and innovation.

If you’re looking for a high-impact engineering role where your work directly supports the integrity of global markets, this is the place for you.

The Role

We are seeking a Python Software Engineer to join a talented development group responsible for expanding and optimizing batch processing systems that support equities trading at scale. You’ll work closely with business, sales, and technology partners to design reliable and testable systems that enable new features, strengthen operational stability, and drive innovation in financial technology.

Location: Hybrid, with office options in London, UK or Amsterdam, NL.

What You’ll Do

• Collaborate with internal stakeholders to design and deliver innovative trading features and market products.
• Develop highly reliable and testable Python systems that power core trading operations.
• Participate in R&D initiatives to explore and adopt emerging technologies.
• Provide operational support for mission-critical trading systems, including incident response and post-mortem analysis.
• Work within a globally distributed software engineering team.

What We’re Looking For

• Commitment to testable, maintainable, high-quality code.
• Familiarity with advanced SQL techniques.
• Solid understanding of Linux environments.
• Broad knowledge of algorithms and data structures.
• Degree in Computer Science or related field (preferred).

Nice to Have

• Experience with TDD, BDD, or other testing methodologies.
• Familiarity with PostgreSQL, Snowflake, and data pipeline frameworks (Airflow, etc.).
• Experience with event streaming platforms (Kafka).
• Exposure to web frameworks (Django, Flask, FastAPI).
• Knowledge of Java.
• Domain knowledge in financial markets: market data, order management, algo trading, systems integration, compliance, etc.

Benefits

• Competitive salary and incentive compensation.
• Employer-funded private GP access.
• Life and long-term illness insurance.
• Employee Assistance Program (including counseling services).
• Enhanced parental and adoption leave.
• Pension contributions up to 7% of base salary.
• Wellness benefits including fitness memberships and on-demand classes.
• 25+ days holiday (increasing with tenure).
• Hybrid and flexible work arrangements.
• Stock purchase plan and referral bonuses.
• Paid tuition assistance and education programs.
• Generous charitable giving match and volunteer opportunities.
• Complimentary meals, snacks, and drinks in office locations.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Software Development and Financial Services

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