Senior Software Engineer, Development Tools in London

Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and a reputation for discovering unique market opportunities. Tower is home to some of the world’s best systematic trading and engineering talent. We empower portfolio managers to build their teams and strategies independently while providing the economies of scale that come from a large, global organization. Engineers thrive at Tower while developing electronic trading infrastructure at a world class level. Our engineers solve challenging problems in the realms of low-latency programming, FPGA technology, hardware acceleration and machine learning. Our ongoing investment in top engineering talent and technology ensures our platform remains unmatched in terms of functionality, scalability and performance. At Tower, every employee plays a role in our success. Our Business Support teams are essential to building and maintaining the platform that powers everything we do — combining market access, data, compute, and research infrastructure with risk management, compliance, and a full suite of business services. Our Business Support teams enable our trading and engineering teams to perform at their best. At Tower, employees will find a stimulating, results-oriented environment where highly intelligent and motivated colleagues inspire each other to reach their greatest potential.

Responsibilities:

• Designing, building, and enhancing tools that support developer productivity, systems infrastructure, and DevOps practices
• Contributing to the architecture and adoption of monorepo-scale build systems (e.g., Bazel, Buck2, CMake, Rattler/Pixi)
• Automating developer workflows to ensure high reliability, fast iteration cycles, and rapid feedback loops
• Partnering with product development, infrastructure, platform, security, and QA teams on cross-functional initiatives
• Improving and maintaining CI/CD pipelines, testing frameworks, and deployment automation
• Implementing and integrating monitoring, logging, and alerting solutions for developer tooling and systems
• Measuring and optimizing developer productivity metrics such as build speed, failure rates, deployment frequency, MTTR, and time-to-market
• Driving performance optimization, scalability improvements, and reliability engineering best practices
• Providing technical mentorship and contributing to engineering standards and best practices across the team

Qualifications:

• Strong programming skills in C++, Rust, and/or Python. You likely have 7+ years of experience in software development, infrastructure engineering, or DevOps
• Build system fundamentals. Deep practical experience with large build systems at monorepo-scale. Buck2 or Bazel/Blaze is most relevant, but maybe you’ve done large scale work with another build system
• Strong understanding of Linux/Unix toolchains. Practical experience of working with multiple compilers, linkers and native code
• Broad experience with DevOps tooling and techniques (e.g., monorepo, CI/CD pipelines, Git-based version control systems, Docker/Podman, Config as Code, Infrastructure as Code)
• Proven experience optimizing performance and scalability in large, complex codebases
• Systematic approach to troubleshooting and solving complex productivity or infrastructure issues
• Strong organizational and communication skills, with the ability to collaborate effectively across teams
• A Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field or equivalent experience

Preferred Experience (Nice to have, but not required):

• Experience with Kubernetes and Cloud infrastructure (GCP, AWS) preferred
• Conda/Rattler/Pixi experience

Benefits:

Tower’s headquarters are in the historic Equitable Building, right in the heart of NYC’s Financial District and our impact is global, with over a dozen offices around the world. At Tower, we believe work should be both challenging and enjoyable. That is why we foster a culture where smart, driven people thrive – without the egos. Our open concept workplace, casual dress code, and well-stocked kitchens reflect the value we place on a friendly, collaborative environment where everyone is respected, and great ideas win. Our benefits include:

• Generous paid time off policies
• Savings plans and other financial wellness tools available in each region
• Hybrid working opportunities
• Free breakfast, lunch, and snacks daily
• In-office wellness experiences and reimbursement for select wellness expenses (e.g., gym, personal training and more)
• Company-sponsored sports teams and fitness events (JPM Corporate Challenge, Cycle for Survival, Wall Street Rides FAR and more)
• Volunteer opportunities and charitable giving
• Social events, happy hours, treats, and celebrations throughout the year
• Workshops and continuous learning opportunities

At Tower, you’ll find a collaborative and welcoming culture, a diverse team and a workplace that values both performance and enjoyment. No unnecessary hierarchy. No ego. Just great people doing great work – together. Tower Research Capital is an equal opportunity employer.