Security Engineer - Application Security

As a Field Application Engineer at unitxlabs, you will play a pivotal role in bridging the gap between our innovative technology solutions and our valued clients. Your expertise will empower customers to maximize the potential of our products, ensuring they achieve their goals effectively. You will be responsible for providing technical support, conducting product demonstrations, and driving customer satisfaction through exceptional service.

Why Join Brex?Brex is an innovative AI-driven spend management platform designed to empower businesses to manage expenses with confidence. We provide integrated corporate cards, banking solutions, and global payment options, alongside intuitive software for travel and expense management. From startups to large enterprises, clients like DoorDash, Flexport, and Compass leverage Brex to optimize spending, lower costs, and enhance efficiency worldwide.Joining Brex means embracing challenges, pushing boundaries, and collaborating with industry leaders. We are dedicated to fostering a diverse and inclusive culture where your potential is only limited by your aspirations. We equip you with the necessary tools, resources, and support to advance your career.Engineering at BrexOur engineering culture focuses on building scalable systems with intention and speed. Our teams, spanning Software, Data, Security, and IT, work with high autonomy and deep collaboration. We confront challenging technical problems, take ownership of outcomes, and strive for excellence across all levels—from architecture to deployment. Here, engineering is regarded as a craft, and builders evolve into leaders.Your RoleAs a Senior Application Security Engineer, you will be pivotal in identifying and addressing security vulnerabilities within the Brex platform. Your responsibilities will include conducting code and design reviews, penetration testing, and managing vulnerabilities. You will also develop and maintain tools for static and dynamic testing of the platform, ensuring secure developer workflows. You will collaborate closely with teams across Security Operations, GRC, Product Security, Front End Platform, and IT Infrastructure.We seek individuals with a robust background in penetration testing and a proven track record of uncovering vulnerabilities in complex systems. Your ability to craft exploits that highlight business risk will be essential. This role demands a collaborative spirit, as you will engage with various engineering teams throughout Brex. Your enthusiasm for diverse perspectives and needs is crucial as we build world-class financial services with top-tier security.Brex is at the forefront of AI-driven financial services for dynamic companies such as Coinbase, Robinhood, and Anthropic. As we integrate AI across our product suite, this role will have the chance to significantly influence our approach.

About the Role mercor is hiring an Application Security Engineer in San Francisco. This role focuses on protecting our applications by applying proactive security practices and conducting detailed assessments. The work centers on finding vulnerabilities and putting strong security protocols in place to keep our products secure and dependable.

At Discord, we connect over 200 million users every month through our platform, primarily for one exhilarating reason: gaming. With more than 90% of our community engaged in gaming, they collectively spend an astounding 1.5 billion hours indulging in thousands of unique titles on Discord each month. Our commitment is to enhance the gaming experience, making it more enjoyable for everyone to communicate and socialize before, during, and after gameplay.Your RoleLead a talented team of security engineers to develop and implement robust application security tools and services, conduct secure design reviews, and perform threat modeling, while providing expert guidance on secure development practices at Discord.Ensure the security of our code and development processes from the Integrated Development Environment (IDE) through to production.Enhance the detection and remediation of security vulnerabilities at scale.Collaborate with various Discord teams to minimize security risks for our users while proactively identifying and addressing security bugs prior to production deployment.Partner with Discord’s product engineering and management teams to advocate for innovative security features that enhance user protection.

Join Our Team as a Senior Applications EngineerLocation: San Francisco, CA (full-time, in-person)Company OverviewAt Cosmic Robotics, we are dedicated to transforming the construction of essential infrastructure on Earth while innovating technologies that will empower humanity to construct beyond our planet. Our flagship technology, Cosmic-1, revolutionizes solar panel installation, achieving speeds ten times faster than current methodologies, aiding our transition to a sustainable energy future and setting the stage for autonomous construction.The RoleAs a Senior Applications Engineer, you will serve as the vital link between our state-of-the-art robotics and our clientele. You will oversee the complete deployment cycle and ensure the long-term success of our robots in real-world applications. Collaborating closely with customers, you will be instrumental in developing, deploying, and optimizing the world’s leading construction robots. Your role is essential in enhancing our platform through customer-driven feature development and fostering widespread adoption. As a pivotal member of our team, you will contribute to defining the future of autonomous construction.This position offers a unique chance to:Tackle significant challenges that will shape the future of infrastructure and energy.Collaborate with an exceptional team hailing from NASA, SpaceX, Google, Built Robotics, and other industry leaders.Accelerate your personal growth and leadership capabilities within a rapidly expanding company.ResponsibilitiesManage the entire lifecycle of robot deployment at customer locations, encompassing initial setup, commissioning, field validation, and ongoing maintenance.Act as a technical partner to customers, converting their operational requirements into actionable features for our robots and platform.Design, integrate, and launch new features tailored to meet specific customer needs.Diagnose and resolve field issues while ensuring maximum robot uptime.Establish project milestones, strategize roadmaps, and meet ambitious timelines for deployments and feature enhancements.Recruit, nurture, and cultivate a world-class engineering team.

About the RoleAs a Software Engineer, you will play a pivotal role in developing applications utilized by customers, deployment partners, researchers, and various internal teams to diagnose, educate, and perform quality assurance on our robotic systems.This position involves cutting-edge full-stack web and API engineering in a rapidly evolving AI-driven landscape.Your Responsibilities Will Include:Designing and implementing external and internal API interfaces for seamless interaction with Generalist systems.Creating tools and workflows that support and expedite the core objectives of researchers, engineers, and operations teams across the organization.Developing the primary web application used by researchers, operations, and deployment teams to assess and train robotic models.You May Excel in This Position If You:Possess a strong intuition for crafting exceptional user interfaces and experiences.Have a solid understanding of modern web stack technologies, including Typescript, React, FastAPI, Postgres, and AWS.Know how to effectively manage and utilize contemporary AI coding agents to enhance development speed while ensuring high production quality.

Join Chime as a Senior Application Security Engineer and play a pivotal role in safeguarding our applications and systems from security threats. In this fully remote position, you will collaborate with cross-functional teams to implement security best practices, conduct code reviews, and ensure compliance with industry standards.Your expertise will help shape our security posture as you design and execute vulnerability assessments and penetration tests. If you are passionate about security and want to make a meaningful impact, we want to hear from you!

Join ema as a Senior AI Applications Engineer and play a pivotal role in developing cutting-edge AI solutions. You will collaborate with cross-functional teams to design, implement, and optimize AI applications that address real-world challenges. Bring your expertise in machine learning and software development to help us drive innovation and enhance user experiences.

About Our TeamAt OpenAI, we are driven by a profound mission: to ensure that Artificial General Intelligence (AGI) is beneficial to all of humanity. Our commitment to this mission extends to the B2B sector, where we aim to empower businesses, enterprises, and governments to transform their operations, fostering economic growth and enhancing human potential.We develop and manage innovative products that bridge our groundbreaking research with millions of companies and developers globally. Our technology powers the OpenAI API and various enterprise solutions, enabling users worldwide to enhance their productivity and efficiency. Our diverse teams, specializing in product engineering, backend infrastructure, and safety, collaborate to deliver OpenAI's technology with utmost reliability, security, and an exceptional user experience.About the RoleWe are seeking talented Frontend Engineers to design and implement user interfaces that make advanced AI intuitive and accessible. In this role, you will collaborate closely with design, product management, and research teams to create responsive, high-performance, and secure web applications that bring OpenAI’s models and enterprise products to life.This position is based in either San Francisco, CA, or New York City, NY. We operate on a hybrid work model, requiring 3 days in the office each week, and we offer relocation assistance to new hires.Your ResponsibilitiesDevelop and maintain scalable web applications utilizing modern JavaScript/TypeScript, React, and accompanying technologies.Create reusable UI components and front-end frameworks to expedite product development.Enhance client performance while ensuring cross-browser and device accessibility.Collaborate with designers to craft user-friendly and visually appealing interfaces.Participate actively in end-to-end product planning and strategic decision-making.You Will Excel in This Role If You:Possess 5+ years of professional experience (excluding internships) in building production-grade web applications.Are proficient in TypeScript/JavaScript, React, and contemporary web development tools.Demonstrate a strong commitment to design fidelity, performance, and accessibility standards.Enjoy rapid iteration to deliver polished, user-centric features.Previous experience as a founder or early engineer at a startup is a plus.

Harness is a pioneering AI Software Delivery Platform company, founded by the visionary technologist and entrepreneur Jyoti Bansal, the mind behind AppDynamics, which was acquired by Cisco for an astounding $3.7 billion. With approximately $570 million in funding and a current valuation of $5.5 billion, Harness is supported by prominent investors such as Goldman Sachs, Menlo Ventures, IVP, Unusual Ventures, and Citi Ventures. In an era where AI is rapidly transforming code creation, the true challenge lies in the subsequent stages: testing, deployments, application security, reliability, compliance, and cost optimization. Harness addresses this challenge by integrating AI and automation into the software delivery lifecycle, allowing teams to deliver software more quickly while ensuring robust security and governance throughout all stages.Utilizing Harness AI and the Software Delivery Knowledge Graph, our platform injects deep context and intelligent automation into every aspect of the software delivery process, embedding governance and policy-driven controls throughout.In the past year alone, Harness has facilitated over 185 million deployments, 82 million builds, 18 trillion flag evaluations, 8 million security scans, and optimized 9.1 billion tests, while safeguarding 3 trillion API calls and managing $2.8 billion in cloud expenditure. This has empowered esteemed clients like United Airlines, Morningstar, and Choice Hotels to enhance release speeds by up to 75%, cut cloud expenses by as much as 60%, and achieve a tenfold increase in DevOps efficiency.With a diverse global team operating across 14 offices in 25 countries, Harness is at the forefront of the future of AI-driven software delivery and is eager to attract exceptional talent to propel us forward.

Join Cloudflare as a Field Solutions Engineer and become a key player in driving innovative solutions for our clients. In this role, you will leverage your technical expertise and problem-solving skills to support our customers in achieving their goals. You will work closely with cross-functional teams to deliver cutting-edge solutions that enhance performance, security, and reliability.

About Our TeamAt OpenAI, security is a core pillar of our commitment to ensuring that artificial general intelligence is beneficial to all of humanity. Our Security team plays a crucial role in safeguarding OpenAI’s technology, personnel, and products. We focus on creating effective technical solutions while maintaining operational excellence. Our guiding principles include prioritizing impactful actions, empowering researchers, preparing for transformative technologies, and fostering a robust security culture.About the RoleAs a Security Engineer specializing in Application Security, you will be at the forefront of identifying and addressing security vulnerabilities within our software applications. Your expertise will be applied through building innovative security tools, conducting code reviews, performing penetration testing, and executing thorough security assessments.We are seeking proactive individuals who can collaborate closely with development teams to ensure the integration of secure coding practices throughout the software development lifecycle. Your role will also encompass providing security guidance to developers and stakeholders, thereby enhancing the overall security awareness across the organization.This position is ideally based in San Francisco, Seattle, or New York City, but remote work options will be considered. Our hybrid work model includes three days in-office each week, along with relocation assistance available for new hires.Key Responsibilities:Conduct Security Assessments: Regularly perform security assessments, code reviews, and penetration tests to uncover vulnerabilities in applications.Develop Security Tools: Design and implement security tools, frameworks, and methodologies to shield applications from potential threats.Collaborate with Development Teams: Partner with development teams to ensure best security practices are embedded in the software development lifecycle, including secure coding standards.Threat Modeling and Risk Management: Engage in threat modeling and risk assessments to identify potential risks early and formulate effective mitigation strategies.Manage Vulnerabilities: Track, analyze, and oversee vulnerabilities in applications, providing guidance and support for remediation efforts.Incident Response: Participate in incident response efforts as necessary, ensuring swift action is taken to mitigate security incidents.

At NerdWallet, our mission is to empower individuals to make informed financial decisions. We foster an inclusive, flexible, and transparent culture where you are encouraged to grow, take calculated risks, and be your authentic self (cape optional). Whether you prefer working remotely or in-office, we are committed to supporting your optimal work style. We prioritize your well-being, professional growth, and your ability to create a meaningful impact because when one Nerd succeeds, we all succeed.We are on the lookout for a talented Security Engineer II to become a part of our Application Security team. This team plays a critical role in our mission by ensuring that the products and services we develop protect our users' data and trust.In this position, you will closely collaborate with engineering teams across the organization to mitigate security risks throughout the software development lifecycle. You will participate in initiatives aimed at enhancing NerdWallet's security posture by refining tools, workflows, and standards that enable engineers to create secure software while ensuring a positive developer experience.This role is perfect for someone who thrives on solving security challenges collaboratively, building scalable solutions, and assisting engineers in embedding security practices into their daily work. You will have the chance to deepen your application security knowledge while making significant contributions to our evolving security program.You will report to a Business Information Security Officer.If you were here 6 months ago, here are some things you might have worked on:Developed and launched a dashboard for on-call activities for the team.Assisted in triaging and responding to security findings and alerts generated by application security tools.Conducted a penetration test of an external system and participated in red team exercises.Worked alongside engineers to remediate vulnerabilities and enhance secure coding practices.Contributed to automation or tooling that enhances visibility into application security risks.Where you can make an impact:Help expand NerdWallet’s application security program through automation, tooling, and enabling developers.Collaborate with engineering and product teams to identify and address security gaps across various systems while balancing business priorities.Create tools, processes, and automation that facilitate secure software development.

Join dstaff as a Web Application Security Engineer and become a key player in fortifying our digital infrastructure. In this role, you will be responsible for identifying and mitigating security vulnerabilities in our web applications, ensuring the integrity and confidentiality of our data.You will collaborate with cross-functional teams to integrate security practices into our development lifecycle and implement robust security measures. Your expertise will help us stay ahead of potential threats and safeguard our users' information.

About Our TeamAt OpenAI, our Applications Engineering team is pivotal in crafting and enhancing our core productivity ecosystem. We are not just custodians of SaaS solutions; we develop tailored tools, integrations, and automation processes that address challenges that off-the-shelf software cannot. Our deep technical expertise allows us to bridge gaps between teams and operationalize applications for scalability, providing secure, seamless, and innovative experiences for our employees. We thrive on designing and implementing custom solutions that streamline workflows, reduce friction, and enhance productivity, enabling teams to concentrate on their primary missions.About the PositionAs a Software Engineer focused on Internal Applications for Enterprises, your primary responsibility will be to elevate employee technology services through automation, Infrastructure-as-Code (IaC), and the creation of advanced workforce tools. You will utilize OpenAI's models to optimize identity and access management (IAM) systems, develop applications and dashboards for internal users, and automate complex workflows. This position entails designing and implementing efficient, secure, and scalable solutions, including intelligent Slack bots and integrations that bolster operational efficiency and enhance user experience.We are looking for innovative individuals who are passionate about harnessing automation and software engineering to tackle complex workforce technology challenges. A robust background in infrastructure automation, cloud services, and a thorough understanding of identity management solutions is essential. Your ability to construct scalable and resilient systems, combined with a problem-solving orientation, will be critical to your success in this role.Your Responsibilities Will Include:Designing, building, and maintaining secure, scalable, and high-performance workforce technology infrastructure, automation workflows, and customized tools to enhance the OpenAI employee experience.Delivering essential IT efficiencies and automation through custom software development and first-party tools to improve technology service delivery.Utilizing modern Infrastructure-as-Code (IaC) practices, developing GitOps-driven solutions to manage technology workflows at scale.Creating and managing CI/CD pipelines for corporate infrastructure, ensuring deployment to progressively tested environments across multiple clouds (Azure, AWS, GCP).Developing scalable internal tools and dashboards to enhance workflows and improve visibility.

About Our TeamAt OpenAI, we are pioneers in the field of artificial intelligence, committed to driving innovation and shaping a future where AI benefits everyone. We seek passionate and visionary Research Engineers to become part of our Applied Voice Team. In this role, you'll engage in transformative research on speech models, translating these insights into real-world applications that can revolutionize industries, enhance human creativity, and tackle complex challenges.About the RoleAs a Research Engineer on OpenAI's Applied Voice Team, you will collaborate with some of the most talented professionals in AI. You will be responsible for designing and developing cutting-edge speech models, including speech-to-speech, transcription, and text-to-speech functionalities. Your work will help translate groundbreaking research into practical solutions for B2B applications, APIs, and ChatGPT AVM. If you are eager to make AI more accessible and impactful, this is your opportunity to leave a lasting legacy.Key Responsibilities:Innovate and Build: Conceptualize and create advanced machine learning models that address real-world challenges, transforming OpenAI's research into AI applications with significant impact.Collaborate with Experts: Partner with software engineers, product managers, and deployed engineers to understand intricate business challenges, respond to customer needs, and deliver AI-driven solutions. Join a vibrant team environment where creativity and ideas flourish.Optimize and Scale: Develop scalable data pipelines, enhance models for improved performance and accuracy, and ensure readiness for production. Contribute to high-tech projects that demand innovative methodologies.Learn and Lead: Stay at the forefront of developments in machine learning and AI by participating in code reviews, sharing insights, and exemplifying high-quality engineering practices.Make an Impact: Oversee and maintain deployed models to ensure they consistently provide value. Your contributions will significantly influence the role of AI in benefiting individuals, businesses, and society as a whole.Ideal Candidate Profile:Master's or PhD in Computer Science, Machine Learning, or a related discipline.A minimum of 2 years of professional experience in engineering roles within technology and product-focused organizations (internships excluded).

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.

Join Y Combinator as a Product Engineer specializing in Applications Operations. In this dynamic role, you will be responsible for designing, developing, and optimizing application workflows to enhance product performance and user experience. Collaborate with cross-functional teams to innovate solutions that drive efficiency and effectiveness across our platform.

WHO WE ARE Zeta Global (NYSE: ZETA) is a cutting-edge AI-Powered Marketing Cloud that utilizes advanced artificial intelligence and vast consumer insights to enhance the efficiency with which marketers acquire, nurture, and retain customers. Our mission, through the Zeta Marketing Platform (ZMP), is to simplify sophisticated marketing by integrating identity, intelligence, and omnichannel activation into a single, powerful platform—backed by one of the industry's largest proprietary databases and AI technology. We empower our enterprise clients across diverse sectors to create personalized consumer experiences, driving superior outcomes for their marketing strategies. Founded in 2007 by David A. Steinberg and John Sculley, Zeta Global is headquartered in New York City, with a global presence. Discover more at www.zetaglobal.com. About the Role We are seeking a highly experienced Staff Application Security Engineer to spearhead our application and platform security efforts. You will be tasked with embedding robust security measures throughout the development lifecycle—from threat modeling to deployment—ensuring that secure-by-design principles are consistently upheld. Operating at a significant scale, Zeta supports billions of consumer profiles and handles petabytes of data within our real-time, AI-driven marketing frameworks. In this pivotal role, you will safeguard our high-performance systems by promoting best practices, assessing emerging threats, and enabling cross-functional teams to develop secure and reliable applications. This high-impact position offers significant visibility across engineering, product, and executive leadership teams. Key Responsibilities Threat Modeling & Security Validation Lead threat modeling and security architecture reviews for distributed, event-driven systems. Integrate security code reviews, SAST/DAST, Software Composition Analysis (SCA), and container scanning into CI/CD and AI/ML pipelines. Coordinate and oversee incident simulations specific to AI systems; manage red/blue team exercises to validate our defensive posture. Conduct security evaluations of third-party vendors and tools to ensure compliance with our security standards.