Founding AI Engineer (£70k-£120k + Equity) at VC-backed AI security startup

Added 26/06/2026

We are seeking a Founding AI Engineer to join a cutting-edge, VC-backed startup focused on revolutionizing security through advanced artificial intelligence technologies. In this pivotal role, you will be responsible for designing, developing, and deploying AI-driven security solutions that address complex challenges in the cybersecurity landscape. Your expertise will guide the technical direction of our products, ensuring they are not only innovative but also effective in safeguarding our clients' digital assets. The ideal candidate will possess a strong background in machine learning, data science, and software engineering. You will collaborate closely with cross-functional teams to define product requirements, develop algorithms,...

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 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,...

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...

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...

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...

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...

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...

Platform Owner - Identity Platform

Added 11/06/2026

We are seeking a dedicated and experienced Platform Owner for our Identity Platform to lead the development and management of our identity solutions. In this role, you will be responsible for defining the vision and strategy of the platform, ensuring that it aligns with business goals and provides a seamless user experience. You will work closely with cross-functional teams, including engineering, product management, and user experience, to deliver innovative identity solutions that meet the needs of our users and stakeholders. Your ability to prioritize features, manage the product backlog, and facilitate agile development processes will be crucial to the success...

Principal Platform Security Engineer

Added 10/07/2026

We are seeking a highly skilled Principal Platform Security Engineer to join our dynamic team. In this role, you will be responsible for designing and implementing robust security measures across our platform infrastructure. You will lead security assessments, identify vulnerabilities, and develop strategies to mitigate risks while ensuring compliance with security standards and best practices. Collaborating closely with cross-functional teams, you will provide guidance on secure design principles and facilitate security training to enhance the security posture of the organization. As a Principal Platform Security Engineer, you will drive the development of security policies, procedures, and frameworks to protect sensitive...

Senior Platform Engineer (Security)

Added 03/07/2026

We are seeking a highly skilled Senior Platform Engineer with a focus on security to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining secure platform infrastructure that supports our applications and services. You will work closely with cross-functional teams to identify security vulnerabilities and develop robust solutions that mitigate risks. Your expertise will be critical in establishing security best practices and ensuring compliance with industry standards. Key responsibilities include conducting security assessments, implementing monitoring tools, and developing automated solutions to enhance platform security. The ideal candidate will have a strong background in...

Security Platform Engineer

Added 24/06/2026

We are seeking a skilled Security Platform Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining security platforms that protect our organization's infrastructure. You will work closely with cross-functional teams to ensure the security of applications and systems, conducting regular assessments and vulnerability scans to identify potential threats. Your expertise will help in creating robust security policies and procedures, ensuring compliance with industry standards and regulations. The ideal candidate will have a strong background in network security, cloud security, and threat management. You will be expected to develop and manage security...

Platform Security Engineer (DevSecOps) – Contract

Added 11/06/2026

We are seeking a skilled Platform Security Engineer (DevSecOps) on a contract basis to enhance our security posture across our development operations. In this role, you will collaborate closely with software development and operations teams to integrate security practices into the DevOps pipeline. Your primary responsibilities will include assessing the security of applications and infrastructure, identifying vulnerabilities, and implementing effective security controls. You will also be tasked with automating security testing and monitoring processes, ensuring compliance with industry standards, and providing guidance on security best practices throughout the software development lifecycle. The ideal candidate will have a strong background in...