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3 penetration tester jobs found in London

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London  (3)
Outside Spy
Sep 23, 2026
Duration not stated
Forward Deployed AI Engineer at Harnham, London, £Contract Rate
Outside Spy London, England, United Kingdom
Forward Deployed AI Engineer Day rate: £700-£1,200 Outside IR35 Contract: Initial 12 months Commitment: Approximately three days per week Location: Two days per week onsite in London Harnham is working with a leading private equity firm looking for a Forward Deployed AI Engineer to support businesses across its portfolio. The portfolio is primarily made up of SMEs and scale-ups generating approximately £5m-£50m in annual revenue. These businesses operate across different sectors and have varying levels of technical maturity. The role combines senior-level consulting with hands-on AI engineering. You will work directly with CEOs, boards and leadership teams to understand how their businesses operate, identify where AI can create genuine commercial value and then personally build and deploy the solutions. The role You will work across multiple portfolio companies, taking projects from initial discovery through to production delivery and adoption....
Outside Spy
Sep 23, 2026
Duration not stated
Typescript Engineer at Harnham - Data & Analytics Recruitment, London, £500-£650 per day
£500 - £650 per day
Outside Spy London, UK
TypeScript Engineer £500- £550 per day Outside IR35 1 day onsite - London We 're working with a large international travel and transport organisation that is modernising its digital ecosystem following the consolidation of multiple business units. The company is investing heavily in next-generation data and middleware platforms, and they 're looking for a TypeScript Engineer to help shape the services and tooling behind this transformation. The team 's mission is to replace legacy systems with clean, event-driven services and provide consistent, reliable data to applications across the business - from customer-facing products to operational systems. The Role You 'll be joining a multidisciplinary engineering team focused on building backend and occasionally frontend components using modern TypeScript across Node.js and React/Next.js. The role centres on developing APIs, event-driven services, and internal tools that support large-scale, cloud-hosted...
Outside Spy
Sep 17, 2026
Duration not stated
Social Listening & SEO Consultant at Harnham - Data & Analytics Recruitment, London, £300 per day
£300 per day
Outside Spy London, UK
Social Listening Consultant London | Outside IR35 | Part-Time (2x days/week min.) | £300 Day Rate | 3-month Contract This is an exciting opportunity to help shape and grow a developing digital analytics capability within a well-established insights and research organisation. You 'll play a key role in delivering social listening expertise, helping clients better understand customer behaviour and brand perception online. The Company They are an established insights and research consultancy with a long-standing reputation for helping organisations understand consumer behaviour. Working across a range of sectors, they combine qualitative and quantitative research to support strategic decision-making. As they continue to expand their digital offering, they are investing in new capabilities across social listening and digital analytics. The Role and Deliverables Lead social listening projects using Brandwatch to uncover customer and brand insights....
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