Software Developer - Order Gateway

SQUAREPOINT CAPITAL; City Of London; On-site; GBP 70,000 - 120,000; Full time

Job summary

Squarepoint Capital in London seeks a senior software developer to own design, development, testing, and optimization of high-performance order gateway solutions across global exchanges and brokers. You’ll lead code reviews, contribute architectural input, and mentor teammates while delivering reliable, scalable systems.

Ideal candidates will have 5+ years in software development, expertise in C++ and Python, strong Linux skills, and experience with low-latency, distributed trading environments.

Qualifications

• Bachelor's degree in Engineering, Computer Science, or related field.
• 5+ years of professional software development experience.
• Strong communication and interpersonal skills; global teams.
• Expertise in modern C++ development.
• Proficiency in Linux environments.
• Advanced knowledge of data structures and networking concepts.
• Proficiency in Python.

Responsibilities

• Take end-to-end ownership in designing, developing, testing, and optimizing high-performance order gateway solutions.
• Collaborate with stakeholders to translate business needs into robust technical solutions.
• Participate in architectural and design discussions, code reviews, and provide guidance to peers.
• Champion testing strategies and ensure software quality and reliability.
• Provide Level 2 support to technology operations for order gateway components.
• Mentor colleagues and contribute to a culture of technical excellence.

Skills

5+ years dev experience

C++ development

Python

Linux environments

Data structures & networking

Version control

Testing methodologies

Mentoring & leadership

Communication & collaboration

Education

Bachelor's Degree in Engineering/CS or related

Tools

Git

Linux

Job description

Position Overview:

The Order Gateway team develops and maintains Squarepoint's order entry gateways, which are essential for routing orders and managing trade information across global exchanges and brokers for multiple asset classes. We are seeking a highly skilled senior developer who thrives on tackling technical challenges. This is an ideal opportunity for an ambitious developer seeking to accelerate their personal growth. You'll gain exposure to technical leadership activities, such as mentoring, code review, architectural input, and project ownership. High performers in the role will have the opportunity to grow into leading small teams and taking on further responsibilities in project and people management.Take end-to-end ownership in designing, developing, testing, and optimizing high-performance order gateway solutions.Collaborate closely with stakeholders and cross-functional teams to understand business needs and translate them into robust technical solutions.Remain hands-on

directly driving technical delivery and ensuring software quality and reliability.Actively participate in architectural and design discussions, as well as code reviews, providing guidance and support to peers.Champion best practices throughout the development lifecycle, continuously enhancing performance, scalability, and reliability of our systems.Ensure effective test strategies and methodologies are embedded within the development process.Provide Level 2 support to technology operations for order gateway components.Share knowledge, mentor colleagues, and contribute to a culture of technical excellence and

Qualifications:

• Bachelor's Degree in Engineering, Computer Science, or related field.


• 5+ years of professional software development experience.


• Excellent communication and interpersonal skills; collaborative approach to working in global teams.


• Expertise in software development best practices, version control, and testing methodologies.


• Demonstrated proficiency in modern C++ development techniques.


• Strong background in Linux environments.


• Advanced knowledge of data structures and networking concepts.


• Proficiency in Python.

Nice to have:

• Advanced degree in Mathematics or Computer Engineering (MSc).


• Experience developing mission-critical software in globally distributed teams.


• Experience with low-latency development.


• Knowledge of exchange connectivity protocols.


• Financial domain experience (equities, derivatives, asset classes).


• Skills in scripting languages.