Staff Security Engineer

Join Our Innovative TeamAt Twelve Labs, we are at the forefront of technology, developing state-of-the-art multimodal foundation models that enable video comprehension akin to human understanding. Our groundbreaking models have set new benchmarks in video-language modeling, enhancing our capabilities and revolutionizing media interaction and analysis.With im…

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.

Role Overview Amplitude is hiring a Staff Security Engineer in San Francisco, CA. This role focuses on strengthening security across the company’s systems and safeguarding user data. The position involves both hands-on technical work and collaboration with teams throughout the organization. What You Will Do Design and implement security controls and processes Conduct vulnerability assessments to identify and address risks Work closely with engineering and other teams to embed security best practices into the development lifecycle

Join Discord, a platform cherished by over 200 million users monthly, where gaming is at the heart of our community. With more than 90% of our users engaging in games, they collectively spend 1.5 billion hours enjoying thousands of unique titles on Discord every month. Our commitment is to enhance the gaming experience by facilitating enjoyable interactions before, during, and after gameplay.At Discord, we empower individuals to connect within diverse communities, and our users trust us to safeguard their conversations. Our Platform Security Engineering team is dedicated to fortifying the systems that underpin Discord, ensuring that the "secure way" becomes the "easy way." We are seeking a Staff Software Engineer to drive this mission forward through your security expertise, software development skills, and operational excellence. In this technical leadership role, you will identify and pursue impactful opportunities to mitigate security risks across our Engineering teams. You will design and implement user-friendly "paved paths" for managing identities, deploying code, configuring cloud infrastructure, and operating services effectively.If you are a security engineer with a profound curiosity, keen on tackling technically and socially complex projects, and motivated to enhance security and privacy at Discord, we encourage you to explore this opportunity further!

Our MissionAt Reflection AI, our mission is to develop open superintelligence that is accessible to everyone.We are creating advanced open weight models tailored for individuals, agents, enterprises, and even nations. Our talented team comprises AI researchers and industry veterans from renowned organizations such as DeepMind, OpenAI, Google Brain, Meta, Character.AI, Anthropic, and more.Role OverviewReflection.AI is seeking a motivated Member of Technical Staff - Security Engineer to establish our Application Security function while actively contributing to various projects across our Security Engineering organization. This role offers significant autonomy to design solutions and navigate both technical challenges and organizational dynamics. Ideal candidates will be those who excel in environments that prioritize ownership and possess a strong '0 to 1' mentality.Key ResponsibilitiesEngage in engineering tasks for essential projects within the Security organization, including our agentic AI incident detection and response SOC, along with long-term internal AI agents.Implement security measures for AI agents, encompassing sandboxes, identity, and authorization systems.Develop a comprehensive software supply chain security strategy, including tooling and infrastructure with SCA/SBOM analysis.Quickly deploy controls to address emerging supply chain threats.Create and sustain a detailed threat model for our software stack.Lead our penetration testing program based on prioritizations outlined in your threat model.Establish and propagate foundational secure coding practices and architectural patterns pertinent to AI/ML systems.Integrate Static Application Security Testing (SAST) tools within CI/CD pipelines for ongoing vulnerability assessments.Design and execute a thorough Secure Software Development Lifecycle.Required QualificationsProficiency in Python or Golang.Demonstrated experience in architecting and constructing complex software systems.Understanding of common application logic exploit vectors.Experience in implementing and executing cross-functional projects with significant impact.

About ValonValon is pioneering the AI-driven operating system for regulated finance, beginning with mortgage servicing. As a Series C company backed by a16z, we are revolutionizing sectors that many deemed too complex for innovation.Instead of relying on outdated legacy systems, we took an innovative route by developing and managing our own mortgage servicing business, overseeing over $110 billion in loans. This strategic choice has allowed us to gain profound insights into the complexities necessary to create software that genuinely functions in regulated industries.The results are remarkable. We've turned mortgage servicing from a 0% margin industry into one that boasts margins exceeding 60%, all while significantly enhancing customer satisfaction. Major enterprise contracts are now rolling out across the sector.ValonOS is our comprehensive platform that structures and automates every process, positioning us perfectly for the AI era. With a single system powered by rich data, our AI agents not only streamline tasks but also perpetually enhance overall operations. While mortgage servicing is our starting point, our vision extends to transforming regulated industries and beyond.Security at ValonOur clients entrust us with their most sensitive financial information, and our Security team’s foremost mission is to implement robust programs, processes, and automation to protect this data. We safeguard the infrastructure and data involved in processing billions of dollars in mortgage loans.Beyond protecting Valon’s internal systems, our Security team collaborates closely with Product and Engineering teams to design and deliver secure, scalable, and reliable features for ValonOS. We work cross-departmentally to embed security throughout the organization, regularly engaging with external security auditors, pentesting firms, and partners to continuously assess and enhance Valon’s security posture.Valon has offices in New York City and San Francisco, but we fully embrace remote work!

About Cogent SecurityCogent Security is an innovative Applied AI Lab dedicated to developing the next generation of AI agents for cybersecurity. As cyber threats evolve, so do our defenses. Our 'AI Taskforce' analyzes vast amounts of enterprise data to proactively address potential breaches before they can escalate.To maintain our edge, we integrate pioneering research with practical implementation. In addition to our core product initiatives, Cogent Research acts as our applied AI laboratory, fueling our ability to create truly intelligent security workflows.Since our launch, Cogent has rapidly expanded, collaborating with Fortune 500 companies to secure some of the world's most intricate production environments.Supported by Greylock, we've assembled a team of exceptional talent in applied AI, including individuals from:Renowned universities such as Stanford, Berkeley, Penn, Duke, Carnegie Mellon, and WaterlooHigh-growth companies including Scale AI, Databricks, Stripe, Tesla, and CoinbaseLeading cybersecurity experts from Wiz, Abnormal AI, and ZscalerPrestigious research institutions like DeepMind and SAILAbout the RoleIn the role of Senior Frontend Engineer, you will take ownership of the frontend platform and user experience, empowering customers to visualize, understand, and act upon complex security data with assurance.This position is classified as Staff+ level; you will have previously operated as a Staff, Senior Staff, or Principal Frontend Engineer and will be eager to define the technical pathway for a new platform. Your responsibilities will include designing frontend infrastructure, developing 'golden' component libraries, and enhancing the platform’s AI capabilities, all while delivering customer-facing features.You will balance in-depth architectural design with hands-on development, ensuring our frontend stack is both sophisticated and robust as we scale. Over time, you will play a key role in mentoring junior frontend engineers, laying the groundwork for a strong team based on the foundations you establish.

About Us:At Parafin, we are dedicated to empowering small businesses, which are the foundation of our economy. Traditional banking solutions often fall short in supporting these enterprises, and that's where we come in. We create technology that simplifies access to essential financial tools for small businesses through their existing sales platforms.We collaborate with notable partners such as DoorDash, Amazon, Worldpay, and Mindbody to provide fast, flexible funding options, spend management solutions, and savings tools to small business users via seamless integration. Parafin handles the complexities of capital markets, underwriting, servicing, compliance, and customer support for our partners.Our team consists of innovators from leading companies like Stripe, Square, Plaid, Coinbase, and Robinhood, all driven by a shared passion for developing tools that foster the success of small businesses. With backing from prominent venture capital firms including GIC, Notable Capital, Redpoint Ventures, Ribbit Capital, and Thrive Capital, Parafin is a Series C company that has raised over $194M in equity and $340M in debt facilities.Join us in creating a future where every small business has the financial resources they need.About the PositionWe are seeking an experienced security-focused engineer to enhance and scale Parafin's security measures across our cloud and platform environments. Our Security and Infrastructure team is responsible for the foundational systems that power all of Parafin—from compute and networking to identity management and compliance. You will play a crucial role in ensuring these systems are secure, reliable, and compliant.In this role, you will design and implement controls, tools, and processes that maintain the resilience and compliance of our infrastructure, all while enabling developers to operate swiftly and safely. You will collaborate closely with various engineering and compliance teams to bolster our approach to access management, application security, threat monitoring, and incident response.

About FaireFaire is a dynamic online wholesale marketplace that champions local entrepreneurship. We believe in the power of small, independent retailers who collectively generate more revenue than giants like Walmart and Amazon. Our mission is to empower these businesses through cutting-edge technology, data insights, and machine learning, enabling them to find unique products from around the world to offer in their stores. We strive to level the competitive field, allowing small businesses to thrive against larger corporations.By nurturing the growth of independent retailers, Faire is making a significant economic impact in communities worldwide. We are looking for talented, innovative, and dedicated individuals who share our passion for supporting local businesses. If you resonate with the values of community and collaboration, we invite you to be a part of our mission.Role Description:As a pivotal member of our Engineering organization, you will be at the forefront of developing the software that powers our marketplace. The Product Security team plays a crucial role in enabling our product engineering teams to build and deploy secure software solutions. We prioritize strong engineering practices and are passionate about writing scalable, maintainable, and secure code that successfully caters to millions of users. Our approach focuses on building reusable frameworks, consulting with product teams, leveraging data insights, and continuously iterating on our processes.In your role as a Senior Staff Software Engineer specializing in Product Security, you will take the lead in defining the technical vision for security practices across Faire’s application stack. You will collaborate closely with Platform and Product Engineering teams to identify and mitigate security vulnerabilities, spearhead critical security initiatives, and mentor fellow engineers to elevate secure engineering standards throughout the organization.Your efforts will also include leading cross-functional programs that integrate security deeply into our architecture, pipelines, and overall developer experience, ensuring a balanced approach that minimizes risk while maintaining development velocity.As a Senior Staff Software Engineer, Product Security, you will collaborate with us to:Establish a long-term technical strategy for application security at Faire, creating scalable and developer-friendly frameworks that facilitate secure development across all product domains.

At Lyft, we are dedicated to connecting people and creating a community where every team member feels valued and empowered to reach their full potential.As a pivotal player in transforming how our communities move, Lyft's engineering team is rapidly expanding. We are seeking passionate Software Engineers specialized in Security to join our dynamic Security team. Together, we will enhance our ability to deliver secure services at scale.Lyft is entrusted with the sensitive information of both drivers and passengers, and we take the responsibility of safeguarding that data seriously. Our Security team spearheads initiatives across the organization to protect our systems and uphold user trust.Our work encompasses designing and building a robust security architecture, collaborating with various teams during the development and launch of new products, anticipating potential challenges, and managing security incidents effectively. Our impact spans the entire organization, covering all aspects of the technology stack, including infrastructure, web applications, mobile apps, IT, and even autonomous vehicles. We adopt an engineering-focused approach to security, aiming to automate and streamline our processes while ensuring frequent updates. Explore more about our innovations on our blog at https://eng.lyft.com/tagged/security.The Cloud Security team is dedicated to enhancing Lyft's security posture by architecting a comprehensive security model tailored for our cloud infrastructure, protecting both our employees and intellectual property.As a Senior Software Engineer, you will play a crucial role in shaping this team and driving high-impact security initiatives. Your responsibilities will include leading security reviews, implementing detection measures, addressing vulnerabilities, enforcing the principle of least privilege, and establishing secure configurations for our multi-cloud and container environments.

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 the Revolution at HarveyAt Harvey, we're not just changing the game for legal and professional services; we're redefining it from the ground up. By harnessing cutting-edge agentic AI, a robust enterprise platform, and unparalleled domain expertise, we're transforming the way essential knowledge work is performed for generations to come.This is an extraordinary opportunity to contribute to the foundation of a groundbreaking company at a pivotal moment. With a client base exceeding 1,000 across over 58 countries, a strong product-market fit, and exceptional investor backing, we're rapidly scaling and creating a new genre in real-time. The challenges are ambitious, the expectations are high, and the potential for growth — personally, professionally, and financially — is unparalleled.Our team is composed of sharp, driven individuals who are passionately committed to our mission. We operate with agility, intensity, and take genuine ownership of the challenges we face — from initial concept to long-term impact. We maintain close relationships with our customers, spanning from leadership to engineering teams, working collaboratively to address real issues with urgency and care. If you excel in uncertain environments, strive for excellence, and wish to help craft the future of work alongside like-minded individuals, we welcome you to join us in building something remarkable.At Harvey, the future of professional services is being crafted today — and we’re only at the beginning.Role OverviewAs a Senior Staff Software Engineer on our Product Security team, you will play a vital role in integrating security into our AI platform from the outset. Given that we handle and process our clients’ most sensitive information, prioritizing security is essential throughout our product lifecycle. You will take the lead in safeguarding crucial aspects of our product while spearheading high-impact security initiatives that elevate our entire engineering organization — balancing hands-on technical contributions with cross-functional leadership and mentorship. You’ll be responsible for designing and implementing both technical safeguards and security features within the Harvey platform.Our security program thrives on our collective offensive security experience: penetrating systems at other organizations (in white-hat capacities), responding to real security incidents, and drawing lessons from data breaches elsewhere. We routinely conduct penetration tests and red team exercises with external security experts. Simultaneously, we are all software engineers who contribute code daily, approaching security with an engineering-first mindset.What You’ll DoEstablish and enhance the security posture across the engineering organization, setting scalable standards.Collaborate with Product Engineering, Infrastructure, and other teams to integrate security into every facet of our development process.

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 Us:At Ambience Healthcare, we are more than just a technology company; we are pioneers in creating AI-driven solutions that bring the human touch back to healthcare. Our innovative platform is designed to reduce administrative burdens, allowing healthcare providers to concentrate on what truly matters: delivering exceptional patient care.We specialize in real-time, coding-aware documentation and clinical workflow support across a variety of healthcare settings, including ambulatory, emergency, and inpatient environments, working with top health systems across North America.Our team embodies a culture of extreme ownership and collaboration, striving to develop the best solutions for our partners and tackling vital challenges in the healthcare industry. We prioritize transparency, positivity, and deep thinking, holding ourselves to high standards because we recognize the significance of the problems we address.Ambience has been awarded #1 for Improving the Clinician Experience in the KLAS Research Emerging Solutions Top 20 Report, recognized by Fast Company as a leading tech innovator, named one of the best AI companies in healthcare by Inc., and selected as a LinkedIn Top Startup for both 2024 and 2025. Our growth is backed by eminent investors such as Oak HC/FT, Andreessen Horowitz (a16z), OpenAI Startup Fund, and Kleiner Perkins — and we are just beginning our journey.The Role:As a Staff Security Engineer, you will play a crucial role in safeguarding our platform within some of the most security-sensitive health systems in the nation. Security must be ingrained in our product from the ground up, not merely an afterthought.In this position, you will oversee the systems that shield our platform at scale, focusing on application security, cloud security, detection and response, and foundational security primitives that other teams rely on. Your responsibilities will include designing security frameworks that make secure choices the default, fortifying our infrastructure against potential threats, and collaborating with engineering teams to minimize risks effectively.This is a hands-on role; you will engage in coding, system design, and lead comprehensive security initiatives that foster enterprise trust and facilitate customer growth.What You’ll Own:Application & Platform Security — Develop and implement secure-by-default patterns across our backend and infrastructure, identifying and rectifying vulnerabilities in application logic, APIs, and data flows.Cloud & Infrastructure Security — Manage the security posture of our cloud environment, focusing on IAM, network boundaries, secrets management, and secure service-to-service communication.Detection & Incident Response — Construct and maintain detection pipelines, alerts, and runbooks, spearheading investigations to ensure swift and effective incident response.

Join runlayer as a Member of the Technical Staff specializing in Security, where you will play a pivotal role in safeguarding our systems and data. You will collaborate with a talented team of engineers to design and implement security protocols, ensuring the integrity and confidentiality of our information. This is an exciting opportunity to work in a fast-paced environment that values innovation and continuous improvement.

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.

RDQ226R609 - This position is open to candidates located anywhere in the United States. At Databricks, we are passionate about empowering data teams to tackle the world’s most challenging issues, from detecting security threats to advancing cancer drug development. We achieve this by building and operating an exceptional data and AI infrastructure platform, allowing our clients to concentrate on the critical challenges that define their missions. As a key member of the Security Continuous Monitoring team, you will be instrumental in developing and scaling Databricks Security systems on our platform. Your responsibilities will include designing, testing, and implementing data pipelines to evaluate the security configurations of Cloud, SaaS, and on-premise tools. You will create and deploy reliable supporting security tools for managing and assessing security posture, integrate with third-party applications, and engage with cloud APIs (AWS, Azure, GCP, Terraform). You will lead and oversee projects from conception to completion, facilitating data collection and integration with our vulnerability and threat detection initiatives. In this role, you will be an individual contributor on the Security Continuous Monitoring team, reporting directly to the Director of Continuous Monitoring.

About the Role:As a Staff Product Security Engineer, you will play a pivotal role in ensuring the integrity and safety of our innovative products. Your expertise will guide the development and implementation of security protocols that protect user data and maintain privacy. You will collaborate closely with cross-functional teams to integrate security measures from the ground up, ensuring a robust defense against emerging threats in the AI landscape.Key Responsibilities:Design and implement security solutions to safeguard our products and infrastructure.Conduct security assessments and penetration testing to identify vulnerabilities.Work with engineering teams to integrate security into the product development lifecycle.Stay updated on the latest security trends and threats, adapting strategies accordingly.Develop and deliver security training to employees and partners.

Join Databricks as a Staff Product Manager, SecurityAt Databricks, we are dedicated to empowering data teams to tackle the world’s most formidable challenges, from revolutionizing transportation to accelerating medical advancements. Our mission is accomplished by providing the most robust data and AI infrastructure platform, which enables our clients to harness deep data insights to enhance their business operations. We are committed to simplifying user experiences in complex data management projects while upholding the highest security standards to safeguard their data.In this pivotal role, you will oversee all aspects of data security within the Databricks Lakehouse platform. You will spearhead product strategy, identifying, prioritizing, and implementing necessary external and internal controls to help customers adhere to privacy, confidentiality, digital sovereignty, and other regulatory requirements. You will design intuitive policy models that empower customers to manage access to their critical assets efficiently. Your contributions will instill confidence in IT and security administrators, facilitating increased adoption of Databricks within their organizations. Our data champions will rely on the security and operational simplicity you provide, allowing them to focus on delivering maximum value to their users. You will report directly to a Senior Director of Product Management.

Ironclad stands at the forefront of the AI contracting landscape, revolutionizing the way agreements are transformed into strategic assets. Our platform enables contracts to expedite through processes, instantly deliver insights, and empower agents to drive work forward—all while keeping you in control. Whether involved in buying or selling, Ironclad consolidates the entire contracting process into one intelligent platform, equipping leaders with the visibility they need to maintain a competitive edge. This is why some of the most innovative organizations, from Rivian to the World Health Organization and the Associated Press, have entrusted Ironclad to enhance their business operations.We are consistently acknowledged as an industry leader: recognized as a Leader in the Forrester Wave and the Gartner Magic Quadrant for Contract Lifecycle Management, awarded as a Great Place to Work by Fortune, and listed among Fast Company’s Most Innovative Workplaces. Ironclad has also secured a spot in Forbes’ AI 50 and Business Insider’s list of Companies to Bet Your Career On. Our efforts are supported by prominent investors such as Accel, Y Combinator, Sequoia, BOND, and Franklin Templeton. For further details, visit www.ironcladapp.com or connect with us on LinkedIn.This position is hybrid, requiring office attendance at least twice a week on Tuesdays and Thursdays for collaboration and connection. Additional in-office days may be necessary for team or company events.Ironclad is on the lookout for a talented Application Security Engineer who is committed to securing cutting-edge software platforms and safeguarding sensitive information. We seek a candidate with extensive experience in automated vulnerability scanning and penetration testing to fortify our application security initiatives. The ideal individual will possess a background in software development or testing, preferably in SaaS environments or regulated industries.The role encompasses conducting security assessments, identifying and addressing risks, and implementing security best practices and improvements throughout Ironclad’s Product, Platform, and Engineering teams.