Senior Software Engineer

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Senior Software Engineer | Start-up | Cyber | London About the Company Hyre AI is partnering with a fast-growing, well-funded cybersecurity company building for a new reality: the AI threat era. This is a business focused on one of the most important problems on the modern internet: helping digital platforms distinguish genuine users from bots, bad actors, synthetic identities and coordinated malicious behaviour, without adding unnecessary friction for trusted customers. Their technology combines advanced intelligence, adaptive detection and real-world adversarial learning to help security teams see what traditional tools miss. They’ve already built strong traction with major customers and are now scaling both product and engineering. As part of that growth, they’re hiring a Senior Software Engineer to join a high-calibre team working at the intersection of cybersecurity, infrastructure, identity and AI. About the Role As a Senior Software Engineer, you’ll play a central role in building and scaling the core systems behind the platform. This is not a narrow feature factory role. You’ll work on the services, APIs and infrastructure that turn complex detection signals into fast, reliable, production-grade decisions. The work spans backend systems, platform engineering and security-focused product development; ideal for someone who enjoys combining technical depth with product and systems thinking. You’ll be working on
designing and scaling high-throughput backend services and APIs building systems that ingest and operationalise behavioural, device and threat intelligence signals improving performance, resilience and observability in latency-sensitive environments helping create infrastructure that is secure, reliable and easy to integrate into customer environments partnering closely with founders and cross-functional teammates to translate emerging threats into robust technical solutions contributing to a culture of high ownership, thoughtful experimentation and engineering excellence This is the kind of role where you can have real influence over architecture, product direction and engineering standards.
Required Skills
3-5 Years of professional experience in software engineering. Experience with TypeScript and/or Go is beneficial (but not mandatory) Strong foundation in Kubernetes and CI/CD pipelines. A resourceful, first-principles mindset; someone who thrives in ambiguity Ownership, curiosity, and a commitment to building things that last High-energy, thoughtful problem-solving, and a low-ego approach to collaboration Experience in an early-stage start-up or scaling environment would be a huge bonus
Pay range and compensation package
Stock options: share in the company’s growth The opportunity to help shape a category-defining product at an early stage
Why Join This is a chance to work on a genuinely important problem with serious technical depth. You’ll be joining a company tackling the future of online trust head-on: building adaptive security systems for a world of increasingly sophisticated bots, impersonation, automation and AI-enabled attacks. If you want to do meaningful engineering work, operate close to the founders, and help build the technical foundations of a product with real-world impact, this is a standout opportunity. #J-18808-Ljbffr
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Location:
Greater London
Job Type:
FullTime

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