We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution – because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas. Security is foundational to this mission and must be delivered in a way that supports how our engineering teams build and operate complex systems at scale. Take the next step in your career.
Key responsibilities
- Designing and implementing high-assurance security systems to protect sensitive and valuable intellectual property
- Developing and maintaining cryptographic key management services, access-control policies and shared security libraries
- Building and evolving access control, classification and risk-reporting systems to support governance and auditability
- Developing APIs and integrations that embed security controls into the wider engineering platform
- Contributing to detection and scanning capabilities to identify protected assets and validate controls
- Operating and hardening security-critical infrastructure, including physical server environments with dual-control operational procedures
- Participating in disaster recovery planning, testing and execution for critical security systems
- Identifying opportunities to simplify, replace or rebuild existing systems when better approaches are available
Who are we looking for?
A group of engineers who combine strong software development skills with an interest in security, cryptography and high-integrity systems. You should be comfortable working across the full stack, from service backends and APIs to cryptographic libraries and infrastructure automation in a collaborative, fast-moving environment. The ideal candidate will have the following skills and experience.
Essential:
- Strong experience delivering production-quality software, ideally using C#/.NET
- Strong understanding of software architecture, concurrency, distributed systems and API design
- Experience building or operating security-sensitive systems where correctness and auditability are critical
- Sound engineering judgement, balancing security, performance, reliability and delivery
- Clear communication skills and a collaborative, pragmatic approach
- Experience with modern development practices, including CI/CD, code review and automated testing
Highly desirable:
- Experience with cryptography, key management or security-sensitive infrastructure
- Experience with hardened environments, operational controls or shared security components
- Familiarity with access control, identity management or approval workflow engines
- Strong Linux, infrastructure automation and Kubernetes experience, including infrastructure as code and observability tooling
- Full-stack development experience for internal tools and dashboards
Nice to have:
- Experience with Python, TypeScript, Go or Rust
- Exposure to threat modelling, remediation or security architecture reviews
- Experience in regulated or security-conscious environments
- Familiarity with Git internals, self-hosted Git platforms or source code management security
Why join us?
- Highly competitive compensation plus annual discretionary bonus
- Lunch provided via Just Eat for Business and dedicated barista bar
- 35 days’ annual leave
- 9% company pension contributions
- Informal dress code and excellent work-life balance
- Comprehensive healthcare and life assurance
- Cycle-to-work scheme
- Monthly company events
G-Research is committed to cultivating and preserving an inclusive work environment. We are an ideas-driven business and we place great value on diversity of experience and opinions. We want to ensure that applicants receive a recruitment experience that enables them to perform at their best. If you have a disability or special need that requires accommodation please let us know in the relevant section.
At G-Research, we are passionate about the intersection of finance, technology, and the future. We offer a dynamic, flexible and highly stimulating culture where world-beating ideas are cultivated and rewarded. We are proud to employ some of the best people in their field and to nurture their talent in our collaborative working environment.
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