Cloud Security Software Engineer at Britive | San Francisco

As digital transformation accelerates, the need for robust cloud security solutions becomes vital. Britive stands at the forefront of this evolving landscape, offering an innovative privileged access management platform designed to deliver comprehensive Privileged Access Visibility, Dynamic Privilege Management, and Secrets Governance across diverse cloud environments, platforms, and SaaS applications.Our cutting-edge, patent-pending technology is already in use by numerous Fortune 500 companies, solidifying our reputation as one of the most promising startups in the Cloud Security sector. Founded by seasoned veterans in the CyberSecurity field, Britive is supported by leading venture capital firms, ensuring a solid foundation for growth and innovation.About YouYou are a dedicated Software Engineer eager to create and enhance our multi-tenant SaaS applications on the AWS platform. With a solid software engineering foundation and an in-depth understanding of AWS tools and services, you are ready to contribute from day one. Your positive, proactive attitude and enthusiasm for delivering technical solutions in a dynamic startup environment will be key to your success.Your ImpactKey Responsibilities:Design and develop a large-scale application stack operating on AWS.Collaborate with cross-functional teams to implement new features and enhancements.Maintain and optimize existing systems for improved performance and scalability.Ensure high-quality code through best practices and thorough testing.

As organizations rapidly transition to cloud-based solutions, the significance of cloud security continues to rise. At Britive, we are leading the charge in the burgeoning cloud security landscape with our innovative privileged access management platform. This platform offers comprehensive Privileged Access Visibility, Dynamic Privilege Management, and Secrets Governance across various cloud infrastructures and SaaS applications.Our cutting-edge technology is currently utilized by numerous large enterprises and Fortune 500 companies, and we consistently rank among the most exciting startups in the Cloud Security sector. Founded by seasoned CyberSecurity professionals with a track record of successful exits, Britive is proudly backed by top-tier venture capital firms.About You You are an enthusiastic Senior Software Engineer eager to design and enhance our multi-tenant SaaS applications on the AWS platform. With a robust background in software engineering and extensive expertise in AWS tools and services, you are ready to contribute from day one. Your proactive approach, coupled with a passion for delivering innovative technical solutions in a dynamic startup environment, sets you apart. This role will report directly to the Engineering Manager.Your ImpactKey Responsibilities:Design and develop a large-scale application stack operating on AWS.Collaborate with cross-functional teams to understand requirements and translate them into technical solutions.Implement best practices in software development to enhance performance, scalability, and security.

Join Perplexity as a Senior Cloud Security Engineer and play a pivotal role in transforming how users search and interact with the internet. As a key member of our innovative security team, you will spearhead initiatives to construct and sustain secure and scalable cloud infrastructure, enabling our engineers to innovate swiftly and securely.Core ResponsibilitiesCollaborate with infrastructure and engineering teams to embed security measures into development processes and advocate for secure-by-default practices.Develop Terraform modules that incorporate essential security features, including logging, encryption, and automated threat detection.Implement cloud-native detection capabilities utilizing AWS GuardDuty, Security Hub, and tailor-made detection rules to uncover credential breaches, crypto-mining, and lateral movements.Ensure compliance with SOC 2 Type II and ISO 27001 by automating the collection of cloud control evidence.Conduct security assessments of cloud resource configurations using tools like AWS Config and Open Policy Agent, addressing discrepancies in line with CIS Benchmarks and internal security policies.Fortify CI/CD and supply chain pipelines through controls such as artifact signing, secret scanning, and dependency monitoring.Implement zero trust principles via stringent network segmentation, authentication, and authorization across cloud environments.Engage in security on-call rotation, responding to security alerts and incidents for prompt resolution and root cause analysis.

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.

About the RoleJoin Perplexity as a dynamic Software Engineer specializing in security, where you will play a pivotal role in developing and enhancing the software, automation, and systems that drive our security operations. This position focuses on engineering innovative security tools and AI-driven agents aimed at improving our detection and response capabilities, vulnerability management, and overall security posture across our products and infrastructure.ResponsibilitiesDesign, build, and maintain software and automation solutions that enhance our detection and response capabilities, including alert enrichment, triage workflows, and investigation tools.Implement and refine internal AI agents and security bots that facilitate monitoring, investigations, reporting, and other security operations tasks.Develop and manage systems and workflows that support our bug bounty and vulnerability disclosure program, covering intake, triage, prioritization, and remediation tracking.Collaborate with product and engineering teams to perform threat modeling on new features and systems, propose mitigations, and integrate security guardrails into designs and implementations.Contribute to secure-by-default libraries, services, and patterns that empower teams to build secure features effortlessly.Integrate security signals from cloud services, endpoints, SaaS, and applications into unified pipelines and data models that bolster detection and analysis.Automate processes to minimize manual effort in incident response, containment, and remediation.Work closely with security engineers and fellow software engineers to review designs and code, continuously enhancing our security tools and platforms.QualificationsA minimum of 4 years of experience as a software engineer, particularly in developing security-related tools, platforms, or automation, or in a security engineering role with a strong emphasis on software development.Proficiency in at least one major programming language (e.g., Python, Go, or TypeScript) with experience in building production services, command-line interfaces, or internal tools.Experience with integration of security-relevant systems such as logging pipelines, SIEMs, EDR, cloud APIs, or identity platforms.Hands-on experience in threat modeling, secure design, or conducting application security reviews for services or features.Experience in operating or contributing to bug bounty or vulnerability management programs is a plus.

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.

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.

Join our dynamic team at Cloudflare as a Senior Software Engineer specializing in Security. In this role, you will work on cutting-edge security solutions that protect our customers' data and privacy. You will collaborate with cross-functional teams to design, develop, and implement robust security features while ensuring the scalability and performance of our systems. Your expertise in software engineering and security practices will be essential in driving innovation and leading projects to enhance our security posture.

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 dynamic team at leverdemo-8 as a Software Engineer specializing in Cloud Infrastructure. We are passionate about reimagining the hiring landscape and are looking for talented engineers to enhance our YugaByte DB for enterprise applications. Your expertise will contribute to optimizing orchestration support across major public clouds including AWS, Google Cloud, and Azure, as well as Kubernetes services and private data centers. You'll play a crucial role in the control and manageability plane of YugaByte and collaborate with tools such as Prometheus and Alert Manager to ensure seamless infrastructure management.Please note that this position is part of Lever's testing environment; we kindly ask you not to apply for this role.

Join Scale AI as a talented Infrastructure Security Engineer, where you'll play a pivotal role in safeguarding the integrity and security of our platform. This position focuses on securing expansive cloud environments, managing and fortifying various compute clusters, and reviewing infrastructure as code. Your proficiency in cloud security, infrastructure automation, and advanced security practices will be crucial in upholding and advancing our security framework.Your responsibilities include:Securing infrastructure across major cloud hosting platforms (e.g., AWS, Azure, GCP).Implementing and maintaining comprehensive security configurations and policies for cloud environments.Conducting regular security assessments and audits to identify vulnerabilities and propose enhancements.Developing and enforcing security best practices for infrastructure automation and orchestration.Collaborating with Developer Experience, IT, and product teams to integrate security into every phase of the infrastructure lifecycle.Reviewing and securing infrastructure as code (e.g., Terraform, CloudFormation).Mentoring team members on infrastructure security best practices and emerging threats.

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 GridwareGridware is an innovative technology firm located in San Francisco, committed to enhancing the resilience and safety of the electrical grid. We have pioneered a revolutionary approach to grid management known as Active Grid Response (AGR), which focuses on monitoring the electrical, physical, and environmental variables influencing grid reliability and safety. Our advanced AGR platform integrates high-precision sensors to identify potential issues at an early stage, facilitating proactive maintenance and fault resolution. This holistic strategy aims to enhance safety, minimize outages, and optimize grid performance. We are proud to be supported by prominent climate-tech and Silicon Valley investors. For more details, please visit www.Gridware.io.Role OverviewWe are on the lookout for a skilled Security Operations Engineer to bolster and scale the security measures within our cloud-centric environment. In this pivotal role, you will enhance our detection and response capabilities, fortify identity and access controls, and refine the systems and processes that ensure our infrastructure's resilience.Your collaboration with engineering, IT, and infrastructure teams will be crucial in embedding security best practices throughout our development processes. This position suits a proactive security expert who thrives in dynamic settings and is passionate about enhancing visibility, automation, and operational readiness.

About Opal Security:At Opal Security, we are at the forefront of modern identity governance for the AI era. Our innovative access management solutions empower enterprises to accelerate their operations while ensuring robust security. Our mission is to provide clarity, control, and confidence in complex enterprise environments, enabling teams to manage access efficiently without hindering innovation.About the Role:Identity management is evolving rapidly, and as organizations deploy agents and create service accounts, traditional IAM stacks struggle to keep pace. At Opal, we are developing AI-driven security solutions that adapt to this dynamic landscape, with leading companies like Databricks and Figma relying on our expertise.In this role, you will design and implement customer solutions across our entire technology stack. Engaging directly with security and engineering teams at both Fortune 500 companies and innovative startups, you will gain insight into their unique challenges and architect systems that effectively address their needs. You will take ownership of the problem-solving process, allowing you to be creative, challenge existing assumptions, and develop groundbreaking solutions.Join a team that values collaboration and camaraderie. We prioritize thoughtful engineering over rushing through tasks, and you will work alongside individuals with diverse expertise, engaging in meaningful discussions and delivering work that you can take pride in.We are eager to welcome new team members who will contribute to and grow with our collaborative environment

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.

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 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.

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 the Role Juicebox is hiring a Security Engineer in San Francisco. This position focuses on protecting our digital infrastructure and keeping our systems and data secure. What You Will Do Design and implement security measures across company systems Help ensure compliance with industry security standards