Full Stack Engineer (£120k-£135k + Equity) at $2.3M seed-funded AI cybersecurity startup

Added 21/05/2026

We are seeking a talented Full Stack Engineer to join an innovative AI cybersecurity startup that has recently secured £2.3M in seed funding. In this dynamic role, you will be responsible for designing, developing, and maintaining scalable web applications that enhance our cybersecurity solutions. You will work closely with cross-functional teams to define project requirements, create technical specifications, and implement robust software features. Your expertise will be crucial in ensuring high performance, responsiveness, and security across our platforms. Additionally, you will collaborate with UX/UI designers to create user-friendly interfaces that meet our customers' needs. The ideal candidate will possess a...

Technical Lead / CTO (+ Equity) at London startup building national security software

Added 21/05/2026

We are seeking a dynamic Technical Lead / CTO to join a pioneering London-based startup focused on developing cutting-edge national security software. In this role, you will spearhead the technical vision and strategy while overseeing the development and deployment of innovative software solutions. You will lead a talented engineering team, providing mentorship and guidance to ensure the successful execution of projects from conception to launch. You will be responsible for defining the technical architecture, implementing best practices, and fostering an agile development environment that encourages creativity and collaboration. As a key member of the leadership team, you will engage with...

Security Engineer (£110k-£200k + Equity) at $100M Series B AI a confidential company response platform

Added 08/06/2026

We are seeking an experienced Security Engineer to join a fast-growing AI-driven company poised for significant impact in the response platform space. In this role, you will be responsible for designing, implementing, and maintaining robust security measures that protect our infrastructure, applications, and data. Your expertise will help shape our security architecture and strategy, ensuring compliance with industry standards while proactively identifying and mitigating potential threats. The ideal candidate will have a strong background in cybersecurity, with a deep understanding of network security, application security, and cloud security practices. You will work closely with cross-functional teams to conduct risk assessments,...

Founding Platform & Security Engineer at Gradient Labs

Added 26/06/2026

We are seeking a Founding Platform & Security Engineer to join our innovative team, where you will play a crucial role in building and securing our platform from the ground up. In this position, you will design, implement, and maintain robust security measures while ensuring high availability and scalability of our infrastructure. You will collaborate closely with cross-functional teams to develop secure, efficient, and reliable systems, while also leading the charge in identifying potential threats and vulnerabilities. Your expertise will be essential in establishing best practices for security and compliance from the outset. The ideal candidate will have a strong...

Founding Engineer at Asymmetric Security

Added 16/06/2026

We are seeking a talented and innovative Founding Engineer to join our dynamic team. In this pivotal role, you will be responsible for designing and implementing cutting-edge security solutions that address the evolving challenges in the cybersecurity landscape. You will collaborate with cross-functional teams to develop software architecture and drive the product development lifecycle from concept to deployment. Your ability to identify potential security vulnerabilities and design robust systems will be crucial in ensuring the integrity and confidentiality of our products. The ideal candidate will have a strong background in software engineering, with expertise in secure coding practices and familiarity...

Security GRC Manager at $20M YC-backed AI workplace infrastructure startup

Added 12/06/2026

We are seeking an experienced Security GRC Manager to join our dynamic team at a rapidly growing AI workplace infrastructure startup. In this role, you will be responsible for developing, implementing, and managing our governance, risk, and compliance (GRC) framework. You will collaborate with cross-functional teams to ensure that our security policies and procedures align with industry standards and regulatory requirements. Your expertise will be critical in identifying potential security risks and developing strategies to mitigate them, ensuring the organization’s data integrity and security posture are maintained at the highest level. The ideal candidate will have a strong background in...

Security GRC Manager at Humaans

Added 16/06/2026

We are seeking a dedicated Security GRC Manager to join our dynamic team, where you will play a pivotal role in ensuring our governance, risk management, and compliance framework is robust and effective. In this position, you will be responsible for developing and implementing security policies and procedures in alignment with industry standards and regulatory requirements. You will conduct regular risk assessments, identify vulnerabilities, and recommend mitigation strategies to safeguard our information assets. Collaboration with various departments is essential to ensure security practices are integrated into all business processes. In addition to policy development, you will oversee compliance audits and...

Founding Security & Compliance Engineer

Added 17/06/2026

We are seeking a Founding Security & Compliance Engineer to join our dynamic team in building robust security frameworks and compliance programs from the ground up. In this pivotal role, you will be responsible for designing, implementing, and maintaining security protocols that safeguard our infrastructure and data. You will conduct thorough risk assessments, identify vulnerabilities, and develop strategies to mitigate potential threats. Collaboration with cross-functional teams will be essential as you ensure compliance with industry standards and regulations, including GDPR, HIPAA, and PCI-DSS. Your expertise will drive the creation of security policies and procedures, while also educating team members about...

GTM Engineer (Cybersecurity Startup)

Added 22/06/2026

We are seeking a proactive and detail-oriented GTM Engineer to join a dynamic cybersecurity startup. In this role, you will be responsible for developing and executing go-to-market strategies for our innovative cybersecurity solutions. Your primary duties will include collaborating with cross-functional teams to understand product features, market needs, and customer requirements. You will also play a key role in designing technical documentation and conducting product training for sales and marketing teams, ensuring they have the necessary tools to effectively promote our offerings. The ideal candidate will have a strong technical background in cybersecurity, along with experience in product management or...

Technical Support Engineer for Cybersecurity Startup

Added 16/06/2026

We are seeking a highly motivated Technical Support Engineer to join a dynamic team within an innovative cybersecurity startup. In this role, you will play a critical part in ensuring customer satisfaction by providing exceptional technical support for our cybersecurity solutions. Your primary responsibilities will include troubleshooting and resolving customer issues, assisting clients with product installations, and offering guidance on best practices to enhance their cybersecurity posture. You will also collaborate closely with the engineering team to escalate complex issues and contribute to product improvement initiatives. The ideal candidate will possess a strong understanding of networking, security protocols, and various...