Senior Back-end Security Engineer – Java / Kotlin / Golang Overview: We’re working with a fast-growing Cloud Security Client on the hunt for an experienced Senior Backend Engineer to join their world-class engineering team. This is a rare opportunity to shape the architecture and scalability of a runtime-powered Cloud-Native Application Protection Platform used by global enterprise customers. As part of a highly skilled, collaborative team, you’ll work on complex backend challenges using modern Java/Kotlin in a fully cloud-native environment with exposure to cutting-edge tools and real-world security impact. ________________________________________ Key Responsibilities: • Own the full lifecycle of backend services, from design and development through to deployment, monitoring, and optimisation • Contribute to architectural direction and technical decision-making across microservices • Conduct peer design and code reviews as part of a high-trust, high-performing team • Collaborate with DevOps, frontend, and product teams to deliver scalable and secure features • Continuously improve system performance, reliability, and efficiency in production at scale ________________________________________ Essential Skills & Experience: • Experience building high-performance backend systems using Java, Kotlin, or Golang • Strong understanding of cloud platforms (AWS, GCP, or Azure) and modern deployment workflows • Experience working with data-intensive systems — including databases, messaging queues, and event-driven services • Proven ability to deliver production-grade services in a microservices-based architecture • Comfortable working in CI/CD pipelines and containerised environments (e.g. Docker, Kubernetes) • Collaborative mindset and a strong sense of ownership and initiative ________________________________________ Desirable Skills: • Exposure to systems like Neo4j, ElasticSearch, TimescaleDB, RabbitMQ, Redis • Experience working on security-focused platforms or distributed cloud infrastructure • Familiarity with observability and monitoring tools at scale ________________________________________ Why Apply? • Play a key role in one of the most exciting and fast-growing companies in cloud security • Tackle complex engineering challenges with a talented global team • Work with modern tech in a truly cloud-first, high-impact environment • Competitive salary, flexibility, and the opportunity to shape product and platform direction from an early stage What’s in it for you? • Salary up to £120k • 35 days holiday • Private pension & healthcare For more information about this opportunity, connect with Neill Ferguson on LinkedIn or submit your CV via the link below.

Senior Back-end Security Engineer – Java / Kotlin / Golang

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