Join Our Innovative TeamAs we approach the year 2026, we face what is being called the "infinite software crisis." At Sazabi, we are dedicated to solving this issue with our cutting-edge AI-native observability platform designed specifically for agile engineering teams.Our platform empowers teams to effortlessly inquire about their production systems using natural language, visualize real-time data, and swiftly identify root causes—10 times faster than traditional methods. No cumbersome instrumentation, no dashboard setups, and no alert configurations required—just straightforward solutions.We are proud to have the support of industry leaders from premier AI companies such as Vercel, Graphite, Daytona, Browserbase, LangChain, Mastra, Replit, and others.

Join Our Innovative TeamAs we approach 2026, the challenge of an "infinite software crisis" looms large. How do we manage the rapid growth in application development?Our solution is Sazabi: the AI-native observability platform designed for agile engineering teams.Sazabi empowers teams to query their production systems in natural language, visualize operations effortlessly, and diagnose issues at lightning speed—ten times faster than traditional methods. Forget about tedious instrumentation, complex dashboard setups, and alert configurations; we provide straightforward answers.Our venture is supported by prominent figures from leading AI companies such as Vercel, Graphite, Daytona, Browserbase, LangChain, Mastra, Replit, and many others.

Join Our Innovative Team at SazabiAs we approach the year 2026, the tech world faces a looming "infinite software crisis." How do we effectively support, maintain, and manage the vast surge in application development?Our solution is Sazabi: the AI-native observability platform designed specifically for dynamic engineering teams.Sazabi empowers teams to inquire about their production systems in straightforward language, visualize operations automatically, and identify root causes up to 10 times faster. Forget about tedious instrumentation, complex dashboard setups, and alert configurations—just get the answers you need.We are proud to be supported by innovators from industry-leading AI companies, including Vercel, Graphite, Daytona, Browserbase, LangChain, and Replit.

About Cogent SecurityCogent Security is pioneering the future of cybersecurity through Applied AI, creating advanced AI agents designed to combat rapidly evolving cyber threats. Our AI Taskforce analyzes vast datasets to neutralize potential breaches before they impact our clients.Our commitment to innovation combines cutting-edge research with practical application, ensuring our solutions are at the forefront of technology. In addition to our product development, Cogent Research acts as our applied AI laboratory, supplying the expertise required to create highly effective security workflows.Since our launch from stealth mode, Cogent has seen remarkable growth, collaborating with Fortune 500 companies to secure some of the most intricate production environments globally.Backed by Greylock, our team consists of exceptional talents from leading universities such as Stanford, Berkeley, and Carnegie Mellon, as well as high-growth companies like Scale AI and Tesla, and cybersecurity experts from stalwarts like Wiz and DeepMind.

About Cogent SecurityCogent Security is at the forefront of cybersecurity innovation, leveraging Applied AI to develop next-generation AI agents. In an era where cyber attacks evolve rapidly, our AI Taskforce analyzes vast amounts of enterprise data to proactively address vulnerabilities and prevent critical breaches.We combine pioneering research with practical execution, ensuring that our innovative solutions meet real-world challenges. Our Cogent Research division acts as our dedicated AI lab, driving the development of advanced security workflows.Since our emergence from stealth mode, we have rapidly grown, collaborating with Fortune 500 companies to secure complex production environments globally.Supported by Greylock, we have gathered a team of top talent from renowned institutions and leading organizations in the AI and cybersecurity sectors.About the RoleAs an Agent Engineer at Cogent Security, you will be pivotal in designing, building, and deploying critical AI agents tailored for complex client environments. Your role is highly cross-functional, involving direct collaboration with customers to understand their unique needs, adapting our platform accordingly, and iterating on scalable solutions to handle millions of real-world security events.You will manage projects from inception to deployment, including data onboarding and integrating feedback into our core agent platform. Your contributions will shape how AI agents detect threats, triage incidents, and automate security workflows for some of the most sophisticated organizations worldwide.This position is ideal for engineers who excel in dynamic environments, enjoy tackling complex technical challenges, and wish to see the tangible impact of their work.

Join Our MissionAs we approach 2026, we're facing what we call the 'infinite software crisis.' At Sazabi, we are pioneering solutions to support, maintain, and operate the rapid expansion of application development.Introducing Sazabi: the AI-native observability platform designed for agile engineering teams.Sazabi empowers teams to inquire about their production systems in straightforward language, automatically visualize system activity, and identify root causes ten times faster. Say goodbye to cumbersome instrumentation, complicated dashboard setups, and tedious alert configurations. Just straightforward answers.We are proud to be supported by industry leaders from renowned AI companies including Vercel, Graphite, Daytona, Browserbase, LangChain, Mastra, Replit, and others.Your RoleTake ownership of complex, critical problems that span multiple functions.Collaborate directly with founders to swiftly identify and resolve bottlenecks.Establish and maintain the internal systems that keep Sazabi thriving (people operations, recruitment processes, financial operations, tooling, etc.).Design and implement streamlined processes that facilitate scalability without hindering speed.Engage in crucial projects across hiring, go-to-market strategies, product development, and customer support.Enhance our operational efficiency and clarity as we expand.Transform disorder into dynamic progress.Who You AreExhibit a high degree of agency.Possess exceptional problem-solving abilities in both technical and non-technical realms.Thrive in ambiguous situations with ever-evolving priorities.Demonstrate proactive capability in developing systems, processes, and workflows from the ground up.Be highly organized while steering clear of bureaucracy.Show strong communication skills and sound judgment.Be ready to tackle any task that the company requires, regardless of how unglamorous it may be.If you're enthusiastic about Twitter and agents, you'll fit right in!What We ProvideAttractive salary and equity options.Complimentary lunches (in-office only).Comprehensive health, dental, and vision insurance.Unlimited paid time off.Paid parental leave.

About Cogent SecurityCogent Security is an innovative Applied AI Lab pioneering the future of AI agents in the realm of cybersecurity. In a world where cyber threats evolve at unprecedented speeds, our 'AI Taskforce' analyzes vast amounts of enterprise data to proactively address vulnerabilities and avert critical breaches.We remain at the forefront of technology by merging cutting-edge research with practical applications. Our dedicated Cogent Research team fuels our mission, ensuring we develop truly effective security workflows powered by AI.Since our inception, Cogent has rapidly grown, collaborating with Fortune 500 companies to safeguard the most intricate production environments globally.Supported by Greylock, our team comprises some of the brightest minds in applied AI, including experts from:Renowned universities such as Stanford, Berkeley, Penn, Duke, Carnegie Mellon, and Waterloo.High-growth unicorn companies like Scale AI, Databricks, Stripe, Tesla, and Coinbase.Leading cybersecurity specialists from Wiz, Abnormal AI, and Zscaler.Prestigious research institutions including DeepMind and SAIL.About the RoleAs we embark on building a suite of backend services and integrations with our design partners, we seek passionate and skilled Backend Engineers at both Senior and Staff levels, eager to thrive in the Applied AI domain.ResponsibilitiesDesign and implement critical backend subsystems and integration platformsComprehend business objectives and customer requirements to engineer backend subsystems that align with our technology strategies.Adapt systems to meet evolving needs of design partners and clients.Incorporate non-functional requirements such as compliance and security into system design.Establish scalable infrastructure foundationsPrepare for future growth in customer base, headcount, and data management by collaborating with your team to enhance infrastructure.

Join Decagon as a Security Engineer where you will play a crucial role in safeguarding our systems and data. You will collaborate with cross-functional teams to identify vulnerabilities, implement security measures, and ensure compliance with industry standards. This is an exciting opportunity to work in a dynamic environment and contribute to the security posture of our organization.

Juicebox is looking for a Security Engineer based in San Francisco. The main focus is to safeguard digital infrastructure and maintain the security of systems and data. Key responsibilities Develop and apply security measures throughout company systems Support compliance efforts with relevant industry security standards Location This role is based in San Francisco.

Join Our MissionAs we approach 2026, the challenge of the "infinite software crisis" looms large. How will we effectively support, maintain, and manage the surge in application development?Introducing Sazabi: your go-to AI-native observability platform tailored for agile engineering teams.Sazabi empowers teams with a centralized platform to pose inquiries about their production systems in natural language, effortlessly visualize operations, and diagnose issues 10x faster. Say goodbye to complex instrumentation, cumbersome dashboard setups, and alert adjustments. Experience clarity and insights with ease.Our vision is supported by industry leaders from top AI firms, including Vercel, Graphite, Daytona, Browserbase, LangChain, Mastra, Replit, and others.

Join Our Team at MercorAt Mercor, we sit at the cutting edge of labor markets and AI innovation. Collaborating with top AI laboratories and enterprises, we provide the vital human intelligence necessary for the advancement of AI development.Our extensive talent network trains advanced AI models, sharing insights and experiences that transcend mere coding. Daily, over 30,000 experts in our community collectively generate more than $2 million.Mercor is pioneering a new realm of work wherein expertise fuels AI progress. This ambition calls for a dynamic, fast-paced, and dedicated team. You will collaborate with researchers, operational teams, and AI firms at the forefront of redefining our societal systems.As a profitable Series C enterprise valued at $10 billion, we operate in-person five days a week from our newly established headquarters in San Francisco.About the RoleIn your capacity as a Security Engineer at Mercor, you will be entrusted with the crucial task of protecting our systems, infrastructure, and sensitive data. You will design and execute defense mechanisms, monitor for potential threats, and ensure that security is seamlessly integrated throughout the entire development and deployment lifecycle. This position is perfect for an individual who thrives in fast-paced settings, anticipates risks proactively, and enjoys constructing effective, scalable security systems without hindering innovation.Your ResponsibilitiesDesign and implement robust security controls across our infrastructure, applications, and networks.Continuously monitor for vulnerabilities, threats, and any suspicious activities.Conduct penetration tests, vulnerability assessments, and manage incident responses.Integrate security practices into CI/CD pipelines and development workflows.Ensure compliance with standards such as SOC 2, ISO 27001, and GDPR.Collaborate with engineers to ensure security is prioritized in system design.Research emerging threats and implement proactive countermeasures.Ideal CandidateProfound understanding of security principles, tools, and industry best practices.Experience with SIEMs, IDS/IPS, firewalls, and vulnerability scanning.Familiarity with cloud security environments (AWS, GCP, or Azure).Solid foundation in encryption and secure coding practices.

Join CodeRabbit as Our Lead Security EngineerAt CodeRabbit, we are at the forefront of innovation in research and development, dedicated to creating groundbreaking human-machine collaboration systems. Our vision is to revolutionize the future of software development through the integration of Gen AI-driven code reviewers, facilitating an unparalleled partnership between human creativity and advanced algorithms. By harnessing the power of language models and human intellect, we aim to redefine efficiency and quality in software development.Position Summary:We are seeking a seasoned Lead Security Engineer to join our mission of empowering developers with high-performance tools in a rapidly evolving threat landscape. In this pivotal role, you will be responsible for architecting, fortifying, and safeguarding our infrastructure and ecosystem.As the Lead Security Engineer, you will infuse security into all aspects of our product and infrastructure, serving as the guardian of resilience, incident response, and proactive defense at scale.Key Responsibilities:Define the Security Roadmap: Develop and implement a strategic security engineering plan that aligns with CodeRabbit’s agile engineering processes.Enhance Resilience: Advocate for defense-in-depth strategies, including threat modeling, secure design reviews, hardening, and CI/CD integration.Lead Incident Response: Take charge of security incident response and recovery, ensuring effective triage, resolution, and root cause analysis to bolster system integrity.Security Tools & Automation: Develop or integrate security tools (SAST, DAST, SIEM, EDR, monitoring) seamlessly into the developer workflow to maintain high delivery velocity.Integrate Security Practices: Collaborate with engineering and product teams to ensure secure practices are incorporated early in project planning and daily operations.Cultivate Talent & Culture: Contribute to hiring, coaching, and mentoring a resilient security engineering team while promoting security awareness throughout the organization.Establish Compliance & Policy: Develop security standards, frameworks, and processes that evolve with our growth while remaining streamlined and developer-friendly.Qualifications:Proven Experience: 8+ years in security engineering, incident response, or related fields. Leadership experience during critical situations is a plus.Technical Proficiency: In-depth knowledge of security best practices, threat modeling, and incident management.Collaborative Mindset: Strong interpersonal skills and the ability to work effectively across multidisciplinary teams.Adaptability: Eagerness to learn and adapt in a dynamic and fast-paced environment.

Role OverviewAt Variance, we are at the forefront of teaching machines to execute high-stakes judgment calls on a large scale. This involves developing AI agents that navigate the complex domains of risk investigations, fraud detection, and identity verifications.Our San Francisco-based team is small yet exceptionally talented, comprising former founders and specialists from leading AI laboratories. We cater to an impressive clientele, including Fortune 500 companies, global marketplaces, and regulated financial institutions. If you are passionate about taking ownership, working swiftly, and collaborating closely with founders, you will thrive in our environment.We are seeking a Security Engineer to help establish a robust security foundation. You will collaborate across product, infrastructure, and internal systems to ensure that Variance is secure by design, enabling us to meet the rigorous standards needed to deploy AI in critical workflows for the world’s largest corporations.

This Security Engineer role at Superhuman Platform Inc. is based in San Francisco and follows a hybrid work model. The schedule blends focused individual work with regular in-person collaboration, supporting strong team relationships and encouraging innovation. Role overview Superhuman seeks a Security Engineer to help protect the trust of millions of users. The position centers on collaborating with partners to identify and deliver projects that strengthen security and reduce risk across Superhuman’s products, platform, and IT systems. As Superhuman’s suite of AI productivity tools grows, the technical landscape becomes more complex, offering opportunities to solve new challenges and influence the product roadmap. Insights into the engineering team can be found on the technical blog. What you will do Design and implement secure-by-default architectures to make it easier for developers to build securely across Superhuman’s ecosystem. Lead the adoption of AI and automation in security, including automated threat detection and AI-assisted code reviews and vulnerability analysis. Translate security requirements into actionable roadmaps that align with business objectives, supporting both technical and non-technical teams. Balance security best practices with product innovation, ensuring risk is addressed throughout the development process. Learn more about Superhuman’s mission and values at superhuman.com and review the company’s values here.

At Thinking Machines Lab, our mission is to enhance human capabilities through the development of collaborative general intelligence. We are dedicated to creating a future where everyone can utilize AI tailored to their specific needs and aspirations.Our team consists of accomplished scientists, engineers, and innovators responsible for some of the most popular AI applications, including ChatGPT and Character.ai, along with renowned open-weight models like Mistral and influential open-source projects such as PyTorch, OpenAI Gym, Fairseq, and Segment Anything.About the RoleWe are on the lookout for a passionate Software Engineer with a focus on security to ensure our products are secure by design while facilitating rapid and ambitious product development. You will collaborate closely with product and research teams to integrate security measures into the design and development processes, and create tools and automation to maintain system safety at scale.Note: This is an ongoing opportunity, and we encourage you to express your interest. While we receive numerous applications and there may not always be an immediate match for your skills, we encourage you to apply. We consistently review applications and will reach out as new roles become available. You may reapply if you gain additional experience, but please limit applications to once every six months. We also post specific roles for particular projects or teams, and you are welcome to apply for those as well.What You’ll DoCollaborate with product and research teams to integrate security into the development lifecycle: threat modeling, design reviews, and establishing secure defaults for new features.Design and implement security controls throughout our product stack (authentication, authorization, session management, input validation, etc.).Create and maintain security tooling and automation for engineers: secure frameworks and templates, CI/CD checks, dependency management, and vulnerability detection.Work alongside researchers to identify and address AI-specific product risks, such as model abuse, prompt injection, data leakage, or misuse of capabilities.Enhance observability and detection for security-related events: access anomalies, abuse patterns, and suspicious behavior in production.

Join Astranis as a Product Security Engineer and play a crucial role in safeguarding our cutting-edge technology and systems. You will work collaboratively with cross-functional teams to identify vulnerabilities, implement security measures, and ensure the integrity of our products. Your expertise will help us maintain the highest security standards while delivering innovative solutions.

Metriport is looking for a Senior Security Engineer to join the team in San Francisco. The role centers on safeguarding company infrastructure and maintaining the security of sensitive data. Candidates should bring deep experience with security protocols and risk assessment, with a focus on countering new and evolving threats. Key responsibilities Evaluate risks and pinpoint vulnerabilities throughout Metriport's infrastructure Create and apply security measures that protect data integrity and confidentiality Collaborate with colleagues across departments to improve security practices Monitor the latest security threats and adjust strategies as needed Location This role is based in San Francisco.

About Us:At Notion, we empower individuals and teams to create beautiful, efficient tools tailored to their work. In an era where countless apps and tabs can overwhelm, Notion stands out by offering a unified space for collaboration. Our platform seamlessly integrates documentation, notes, projects, calendars, and emails—all enhanced with AI capabilities for streamlined workflows and insights. Our users, ranging from individuals to industry leaders like Toyota, Figma, and OpenAI, appreciate Notion's versatility, choosing us to save time and resources.We believe that in-person collaboration is vital to our culture. All team members are expected to work from our offices on designated Anchor Days—Mondays, Tuesdays, and Thursdays—though certain roles may require additional in-office days.About the Role:With millions of users and a continuously growing community, Notion is committed to providing a secure and reliable experience. As an Application Security Engineer, you will play a pivotal role in fortifying this trust while helping us innovate and expand our offerings. Your expertise will be essential in ensuring that our flexible and powerful application meets the security needs of thousands of businesses worldwide, safeguarding their data and that of their customers.We are seeking passionate security engineers dedicated to simplifying secure coding practices for developers. In this role, you will act as a consultant, advocate, and builder, focusing on preventing and addressing software vulnerabilities across Notion's product suite.What You'll Achieve:Contribute significantly to defining the direction and objectives of Notion’s Application Security team.Facilitate secure development by providing design guidance and developing solutions to eliminate vulnerabilities.Establish static and dynamic analysis rules to identify weaknesses within our codebase.Educate developers on security and privacy best practices to prevent vulnerabilities during development.Lead and participate in strategies to mitigate AppSec-related incidents.Develop and maintain tools that proactively prevent vulnerabilities or automate remediation.

Join Our MissionAs we approach 2026, the tech industry faces an "infinite software crisis". At Sazabi, we are pioneering a solution with our AI-native observability platform designed specifically for agile engineering teams.Welcome to Sazabi: Your Key to Effortless Application Management.Sazabi empowers teams to query their production systems in natural language, visualize operations in real-time, and diagnose issues with unprecedented speed—10x faster than traditional methods. Say goodbye to cumbersome instrumentation and alert configurations.We are proud to be backed by influencers from leading AI organizations including Vercel, Graphite, Daytona, Browserbase, LangChain, Mastra, Replit, and many more.