G-Research
Core IP Security Software Engineer
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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.
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The Role
The Core IP Security team designs, builds and operates the bespoke security systems that protect the firm’s most sensitive intellectual property across its full lifecycle, from research through to production systems.
Our systems are purpose-built for highly sensitive environments and include cryptographic key management, encrypted source code and document hosting, access control and approval workflows, classification and risk-reporting, and detection and scanning tools.
As a Software Engineer, you will take ownership of designing, developing and operating these systems across service backends, cryptographic libraries, API integrations and hardened infrastructure. The software you build must meet the highest standards of correctness, auditability and availability.
You will work on both new capabilities and improvements to existing systems, partnering closely with research stakeholders to deliver effective security controls that support workflows without creating unnecessary friction.
This is a hands-on role with significant autonomy in a small, focused team where every engineer has a meaningful impact.
Key Responsibilities
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- 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?
We are looking for an engineer who combines 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
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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.
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