C++ Software Engineer - Data Platform

United States Digital Space LLC; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

United States Digital Space LLC is seeking a software engineer to design, develop, and maintain core components across distributed storage, compute, and service platforms. You will collaborate with researchers and portfolio managers to translate data-access and performance requirements into concrete design and implementation work.

The role emphasizes collaboration within a globally distributed team and requires a degree in computer science with 2+ years of experience using modern C++ and

Qualifications

• Degree in Computer Science or a related field.
• 2+ years of professional software engineering experience.
• Strong fundamentals in data structures, algorithms, and systems-level thinking (memory management, concurrency, I/O).
• Proficiency in modern C++ (C++11 or higher); comfort with STL.
• Solid working knowledge of UNIX/Linux development environments.
• Experience using AI-assisted coding tools (e.g., Claude Code, OpenCode) to accelerate development.
• A clear, proactive communicator who works well with a globally distributed team.

Responsibilities

• Design, develop, and maintain core components across distributed storage, compute, and service platforms - including storage engines, query and compute execution, RPC/networking layers, and distributed coordination (routing, partitioning, replication).
• Partner with internal stakeholders across research and engineering teams to translate data-access, compute, and performance requirements into concrete design and implementation work.
• Investigate and resolve production issues - from correctness bugs to performance regressions.
• Participate in code review, system design, feature development, and productionization.

Skills

C++ (modern)

UNIX/Linux

Data structures/algorithms

Communication

Code review

Education

Bachelor's degree in Computer Science

Tools

STL

AI-assisted coding tools

Job description

the company develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work collaboratively to drive the production of alphas and financial strategies – the foundation of a balanced, global investment platform.

the company is built on a culture that pairs academic sensibility with accountability for results. Employees are encouraged to think openly about problems, balancing intellectualism and practicality. Excellent ideas come from anyone, anywhere. Employees are encouraged to challenge conventional thinking and possess an attitude of continuous improvement.

Our goal is to hire the best and the brightest. We value intellectual horsepower first and foremost, and people who demonstrate an outstanding talent. There is no roadmap to future success, so we need people who can help us build it.

Technologists at the company research, design, code, test and deploy firmwide platforms and tooling while working collaboratively with researchers and portfolio managers. Our environment is relaxed yet intellectually driven. We seek people who think in code and are motivated by being around like-minded people.

The Role:

• Design, develop, and maintain core components across our distributed storage, compute, and service platforms - including storage engines, query and compute execution, RPC/networking layers, and distributed coordination (routing, partitioning, replication).
• Partner with internal stakeholders across research and engineering teams to translate data-access, compute, and performance requirements into concrete design and implementation work.
• Investigate and resolve production issues - from correctness bugs to performance regressions.
• Participate in code review, system design, feature development, and productionization.

What You'll Bring:

• Degree in Computer Science or a related field.
• 2+ years of professional software engineering experience.
• Strong fundamentals in data structures, algorithms, and systems-level thinking (memory management, concurrency, I/O).
• Proficiency in modern C++ (C++11 or higher); comfort with STL.
• Solid working knowledge of UNIX/Linux development environments.
• Experience using AI-assisted coding tools (e.g., Claude Code, OpenCode) to accelerate development.
• A clear, proactive communicator who works well with a globally distributed team.

Nice to Have:

• Python
• Exposure to distributed systems concepts (replication, sharding, consensus), query/compute engines, or columnar/analytical storage formats.
• Experience with RPC frameworks.

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the company is an equal opportunity employer and does not discriminate in hiring on the basis of race, color, creed, religion, sex, sexual orientation or preference, age, marital status, citizenship, national origin, disability, military status, genetic predisposition or carrier status, or any other protected characteristic as established by applicable law.

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