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About the Role

The Core IP Security team designs, builds, and operates bespoke security systems to protect the firm’s sensitive intellectual property throughout its lifecycle. As a Software Engineer, you will own the design, development, and operation of these systems, ensuring the highest standards of correctness, auditability, and availability. You will collaborate with research stakeholders to deliver effective security controls that support workflows without creating friction.

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

Requirements

Strong software development skills with an interest in security, cryptography, and high-integrity systems
Comfortable working across the full stack, from service backends and APIs to cryptographic libraries and infrastructure automation
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 judgment, 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
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
Experience with Python, TypeScript, Go, or Rust
Exposure to threat modeling, 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

Skills

C#/.NET
Software architecture
Concurrency
Distributed systems
API design
Security-sensitive systems
CI/CD
Code review
Automated testing
Cryptography
Key management
Security-sensitive infrastructure
Hardened environments
Operational controls
Shared security components
Access control
Identity management
Approval workflow engines
Linux
Infrastructure automation
Kubernetes
Infrastructure as code
Observability tooling
Full-stack development
Python
TypeScript
Go
Rust
Threat modeling
Remediation
Security architecture reviews
Git internals
Self-hosted Git platforms
Source code management security

Location

London

Work Type

Full-time

Experience Level

Mid-level
Senior

Salary/Compensations

Highly competitive compensation plus annual discretionary bonus

Benefits

Lunch provided via Just Eat for Business
Dedicated barista bar
35 days’ annual leave
9% company pension contributions
Informal dress code
Excellent work-life balance
Comprehensive healthcare
Life assurance
Cycle-to-work scheme
Monthly company events

About the Company

G-Research tackles complex problems in quantitative finance by bringing scientific clarity to financial complexity.
They unite world-class researchers and engineers in an environment that values deep exploration and methodical execution.
They are building a world-class platform to amplify the teams’ most powerful ideas.
Security is foundational to this mission and must be delivered in a way that supports how engineering teams build and operate complex systems at scale.

Equal Opportunity

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