Senior Security Engineer

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.

About DecagonDecagon stands at the forefront of conversational AI technology, enabling brands to create exceptional customer experiences. Our platform empowers industry leaders such as Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI-driven agents that facilitate personalized interactions across various channels including voice, chat, email, and SMS.Our vision is to revolutionize customer experiences, transforming traditional support interactions into quick resolutions and meaningful conversations. We are proud to be supported by renowned investors, including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, who share our ambitious goals.As an in-office company, we foster a culture driven by excellence and speed. Our core values — Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle — guide our collaborative efforts and growth.About the Role:Decagon is on the lookout for a dynamic Pricing Operations Lead to bridge the gap between Sales, Finance, and Strategy. As the inaugural pricing specialist, you will collaborate closely with the Business Operations team to sculpt this function from the ground up.In this pivotal role, your primary objective will be to enhance and streamline our enterprise go-to-market strategy, partnering with account executives to formulate and present compelling deals. Your initiatives will encompass developing pricing and packaging strategies, establishing internal deal and pricing processes, and engaging in proposal creation and negotiation.This is an exciting opportunity that merges strategic insight with high-impact execution. We seek motivated problem solvers who excel in analytical thinking and possess exceptional relationship-building skills.Key Responsibilities:Lead the end-to-end deal structuring for enterprise opportunities, collaborating directly with account executives to craft proposals and successfully close deals.Develop and refine Decagon's pricing and packaging strategies.Establish and scale internal deal desk processes as our company grows.Collect and analyze pricing and deal data to inform company strategy.Work cross-functionally with Finance and Legal to ensure alignment on deal economics and contract terms.

About DecagonDecagon stands at the forefront of conversational AI, enabling brands to create unparalleled concierge customer experiences.Our innovative technology empowers leading enterprises such as Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to harness AI agents that facilitate personalized and highly engaging interactions across various channels, including voice, chat, email, and SMS.We envision a future where customer experience transcends traditional support methods, offering quicker solutions, enriched dialogues, and more profound connections. Backed by elite investors like a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, we are committed to this vision.At Decagon, we thrive in an office environment that champions collaboration, excellence, and rapid progress. Our core values—Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle—guide our team dynamics and growth.About the RoleIn your role as a Senior Data Scientist at Decagon, you will apply rigorous technical expertise to analyze, test, and leverage data across our business operations. You will design experiments, utilize advanced statistical techniques, and construct scalable analytical frameworks to directly influence product strategy and enhance corporate performance.You will collaborate with Engineering and Product teams to implement robust measurement practices, promote data-driven decision-making, and derive insights that will guide Decagon’s future direction. This position requires a blend of analytical excellence and product insight, with the capacity to impact decisions at the highest organizational levels.In this role, you willDevelop and manage foundational datasets and metrics that reflect usage, performance, and efficiency across Decagon's AI platform.Enhance and expand Decagon’s data models, metrics, and dashboards to ensure coherent and scalable reporting across various teams.Collaborate closely with Engineering to inform strategy using data—identifying potential bottlenecks and scaling challenges before they escalate.Partner with Product and Engineering teams to integrate experimentation and measurement best practices into product development processes.Continuously refine Decagon’s data stack, ensuring efficient models, pipelines, and tools that enable self-service analytics across the organization.

About DecagonDecagon is a pioneering conversational AI platform dedicated to enabling every brand to deliver unparalleled concierge customer experiences.Our innovative technology empowers industry-leading enterprises such as Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to implement AI agents that facilitate personalized and deeply engaging interactions across voice, chat, email, SMS, and numerous other channels.We are committed to redefining customer experiences, moving from traditional support tickets and hold music to quicker resolutions, richer conversations, and stronger relationships. Our vision is supported by top-tier investors including a16z, Accel, Bain Capital Ventures, Coatue, Index Ventures, and others who share our aspirations.As an in-office company, we thrive on a shared commitment to excellence and speed. Our core values—Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle—guide our teamwork and growth.About the RoleWe are seeking a seasoned Commercial Counsel to join Decagon and play a crucial role in establishing the legal framework for our rapidly expanding AI enterprise. As a vital early addition to our team, you will collaborate with legal professionals who are trusted partners to various departments including Sales, Security, Product, and Leadership. Your contributions will range from negotiating intricate enterprise SaaS agreements to optimizing contract operations, thus significantly enhancing revenue, safeguarding the business, and developing scalable legal infrastructure from the ground up.In this role, you will:Participate in reviewing and negotiating commercial agreements, collaborating across departments to balance legal risks with business outcomes, while tailoring your advice according to the context and stage of each deal.Cultivate strong relationships within the company, serving as a solutions-oriented partner to provide guidance to sales teams grounded in our technology, market standards, and your expertise.Define excellence within a legal team in a fast-paced startup environment—establishing working norms and processes to deliver top-tier service.Design, update, and enforce policies and controls governing Decagon’s contracting processes.Evolve with the team as Decagon grows, remaining open to embracing new challenges beyond the scope of Commercial legal when appropriate.

As a Senior Product Manager at Decagon, you will play a pivotal role in shaping the future of our products. You will collaborate with cross-functional teams to define product vision, strategy, and roadmap, ensuring alignment with business objectives and customer needs. This position requires strong analytical skills, a passion for technology, and the ability to drive innovative solutions in a fast-paced environment.

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.

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.

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.

About Cogent SecurityCogent Security is at the forefront of innovation in cybersecurity, operating as an Applied AI Lab dedicated to developing next-generation AI agents. In an era where cyber threats evolve rapidly, our "AI Taskforce" analyzes vast amounts of enterprise data to proactively address vulnerabilities and prevent significant breaches.Blending cutting-edge research with practical implementation, our team works diligently to transform theoretical concepts into actionable security solutions. Our applied AI lab, Cogent Research, provides essential research capabilities that enable the realization of autonomous security workflows.Since our emergence from stealth mode, Cogent has seen impressive growth, collaborating with Fortune 500 companies to enhance security in some of the world’s most complex environments.Supported by Greylock, we have assembled a team of top-tier talent from influential universities and leading companies in the tech and cybersecurity sectors.

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.

Decagon seeks an Engineering Manager to lead its Platform Infrastructure team in San Francisco. This position shapes the technical foundation behind Decagon’s scalable applications, focusing on both performance and reliability. The role involves hands-on leadership and a commitment to building infrastructure that supports the company’s growth. Role overview This manager will oversee a group of engineers dedicated to platform infrastructure. The team’s work underpins the systems that allow Decagon’s products to scale smoothly and operate dependably. What you will do Guide and support engineers working on key infrastructure projects Direct the development and maintenance of systems that power Decagon’s applications Encourage solutions that boost platform performance and reliability

Decagon is seeking an Engineering Manager to lead its AI & Data Infrastructure team in San Francisco. This role centers on guiding engineers as they develop AI solutions and robust data frameworks to advance Decagon’s technology roadmap. Role overview The Engineering Manager will oversee a team dedicated to AI and data infrastructure initiatives. The position involves hands-on leadership, ensuring projects move forward and align with company objectives. What you will do Lead and mentor engineers working on AI and data infrastructure projects Drive project execution to enhance product capabilities Foster a collaborative and supportive team environment Oversee strategic planning and allocate resources for the team Manage team performance and encourage professional growth Requirements Experience leading technical teams in AI and data infrastructure Strong leadership and clear communication abilities Skill in strategic planning and resource management Dedication to building technology solutions that make a difference This position offers the chance to shape Decagon’s products and technology direction through AI and data-driven work.

Join Decagon as the Director of Solutions Engineering for our Enterprise West division. In this pivotal role, you will lead a talented team of engineers, driving innovative solutions and ensuring our enterprise clients receive exceptional support. Your expertise will help shape our engineering strategies and align them with customer needs, ultimately enhancing their experience with our products.

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.

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.

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.