Latest Security Jobs

Senior Product Security Engineer

This role involves leading the Product Security program for Blockchain.com’s internally developed products across consumer, OTC, and MRE lines. The engineer will design and operate the secure development lifecycle, conduct threat modeling, lead architecture reviews, and drive security automation including AI-integrated tooling. They will work closely with engineering teams to remediate security debt, enhance secure coding practices, and ensure robust protection of high-value financial transactions through proactive governance and incident response support.

Blockchain.com London, United Kingdom

Hybrid Permanent

Chief Information Security Officer (CISO)

Lead and scale the global cybersecurity organization at a leading crypto platform, defining security strategy, overseeing security engineering and operations, and ensuring regulatory compliance ahead of IPO. Strengthen cloud, application, and infrastructure security while embedding security into development and establishing AI governance. Operate custody systems and provide executive-level risk assessments to board and regulators.

Blockchain.com London, United Kingdom

Software Engineer - Frontend - Payments

Design, develop, and maintain high-quality payment processing systems using React.js and other relevant technologies Build and refine seamless transaction experiences that optimize fund transfers for speed, security, and reliability Ensure an efficient and intuitive onboarding experience for users interacting with payment systems, reducing friction and improving trust Develop innovative features that enhance engagement, retention, and loyalty within the payments ecosystem Set the standard for high-quality, secure code and lead the development of complex financial software systems Influence technical decisions, contribute to strategy discussions, and shape product/domain decisions with a deep understanding of financial systems and security best practices Mentor engineers, foster a culture of technical excellence, and drive process improvements in financial software development Design and implement scalable, maintainable, and fault-tolerant financial systems, ensuring compliance and security best practices

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Senior AI Compute Infrastructure Engineer

This role involves designing and operating GPU and accelerator infrastructure for AI model training, inference, and experimentation at scale. The engineer will build production-grade systems for scheduling, orchestration, observability, and cost-efficient compute, working closely with ML researchers and product teams. Key responsibilities include optimizing inference pipelines, integrating new hardware and frameworks, and enabling internal teams to efficiently use GPU resources.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Senior Back-End Engineer, Trading Platform

This role involves building and maintaining low-latency, scalable trading services in Rust, including order management systems, exchange gateways, and risk management systems. You will work closely with other tech teams to ensure high performance and security, and be part of a fast-paced, high-performance culture focused on continuous improvement and innovation in the cryptocurrency exchange ecosystem.

Blockchain.com London, United Kingdom

Hybrid Permanent

Technical Lead, Lending & Savings

Lead the technical direction for crypto savings and lending products, designing scalable distributed systems while mentoring engineers and collaborating with product and risk teams. Drive architecture, security, and innovation in a hands-on role shaping core financial infrastructure. Emphasis on operational excellence, AI-assisted development, and cross-functional delivery in a high-growth crypto environment.

Blockchain.com London, United Kingdom

Site Reliability Engineer - Core

This role involves advancing infrastructure reliability and scalability for a major blockchain platform. The engineer will develop tooling, improve observability and monitoring, and guide development teams on best practices. The position emphasizes automation, reduction of toil, and cross-organizational coordination in a high-growth, security-focused environment.

Blockchain.com London, United Kingdom

Hybrid Permanent

Mobile Design Engineer

This role focuses on crafting high-fidelity, fluid mobile interactions within the Kraken app using React Native, with deep attention to gesture dynamics, animation, and performance. The engineer will elevate the quality of UI responsiveness and interaction design, ensuring the app feels native and trustworthy. They will establish reusable animation patterns, mentor peers, and optimize for lower-end devices where smoothness is critical.

Kraken London, United Kingdom, United Kingdom

Remote Permanent

Data Platform Engineering Manager

Lead and grow a team of senior data platform engineers building Kraken's real-time streaming infrastructure. Own the architecture and roadmap for high-volume, low-latency data systems using technologies like Kafka, Flink, Spark, and RisingWave. Drive AI-powered automation in data workflows and evolve the data lake and warehouse to support both batch and streaming workloads across trading, risk, compliance, and product teams.

Kraken London, United Kingdom, United Kingdom

Remote Permanent