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5 penetration tester jobs found in London

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Outside Spy
Mar 16, 2026
6 Months or more
Senior GCP DevOps Engineer at Casamentero, London & Chester, UK (Hybrid), 6 Months, £375 per day (Outside IR35)
£375 per day
Outside Spy Hybrid (London, UK)
Job Title:  Senior GCP DevOps Engineer Location:  London & Chester, UK (Hybrid – 2–3 days onsite) Job Type:  Contract (6 Months – Extendable) Rate:  £375 per day (Outside IR35) Industry:  Banking / Financial Services Join a High-Impact Cloud Engineering Team We are currently looking for an experienced  Senior GCP DevOps Engineer  to join a leading banking client working on a strategic cloud transformation program. This is an exciting opportunity to build and scale enterprise-grade cloud infrastructure while enabling the delivery of next-generation digital banking platforms. You will work closely with engineering, platform, and business teams to design secure, scalable, and automated cloud solutions using modern DevOps practices and Infrastructure as Code. Key Responsibilities Design, build, and maintain scalable infrastructure on Google Cloud Platform (GCP) Develop and manage Infrastructure...
Outside Spy
Mar 11, 2026
Duration not stated
Rust Developer at Intec Select, London Area, £850 per day
£850 per day
Outside Spy London Area, United Kingdom
Rust Developer | Contract | £850/day | Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity to work on complex problems, optimise algorithms for speed and efficiency, and contribute directly to the architecture of next-generation trading platforms. This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute to system design and architecture, ensuring scalability and efficiency. Optimize applications for low latency,...
Outside Spy
Mar 11, 2026
6 Months or more
Rust Developer at IntecSelect, London, 6 Months, £800-£850 per day
£800 - £850 per day
Outside Spy London, UK
Rust Developer | Contract | £850/day | Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity to work on complex problems, optimise algorithms for speed and efficiency, and contribute directly to the architecture of next-generation trading platforms. This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute to system design and architecture, ensuring scalability and efficiency. Optimize applications for low latency, concurrency, and...
Outside Spy
Mar 11, 2026
Duration not stated
Rust Developer at Intec Select Ltd, City and County of the City of London, £800 to £850 per Day
£800 - £850 per day
Outside Spy City of London, UK
Rust Developer | Contract | £850/day | Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity to work on complex problems, optimise algorithms for speed and efficiency, and contribute directly to the architecture of next-generation trading platforms. This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute to system design and architecture, ensuring scalability and efficiency. Optimize applications for low latency, concurrency, and...
Outside Spy
Mar 11, 2026
Duration not stated
Rust Developer at INTEC SELECT LIMITED, City of London, £Contract Rate
Outside Spy City of London, London, UK
Rust Developer | Contract | £850/day | Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity to work on complex problems, optimise algorithms for speed and efficiency, and contribute directly to the architecture of next-generation trading platforms. This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute to system design and architecture, ensuring scalability and efficiency. Optimize applications for low...
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