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Prophet Security logo
Full-time|Remote|Remote

Location: Hybrid (Menlo Park) or fully remote About Prophet Security Prophet Security builds an AI-native security operations platform to help security teams detect, investigate, and respond to threats more efficiently. The platform aims to reduce alert overload and unify security workflows. The team includes experienced professionals from organizations such…

Apr 15, 2026
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Databricks logo
Full-time|$165.3K/yr - $237.8K/yr|On-site|Mountain View, California

P-1137 Summary At Databricks, we are dedicated to empowering data teams to tackle the world's most challenging issues, from detecting security threats to advancing cancer treatments. We achieve this by developing and operating the premier data and AI infrastructure platform, enabling our clients to concentrate on the high-impact challenges central to their missions. Founded in 2013 by the original creators of Apache Spark, Databricks has evolved from a modest office in Berkeley, CA, to a global leader with over 1,500 employees. Thousands of organizations, ranging from startups to Fortune 100 companies, rely on Databricks for their mission-critical workloads, establishing us as one of the fastest-growing SaaS firms globally. Our engineering teams are focused on creating highly technical products that address significant real-world needs. We continuously push the limits of data and AI technology while maintaining the resilience, security, and scalability essential for our customers' success on our platform. Customers entrust Databricks with their most valuable data, and our Trust & Safety division is committed to creating the most reliable data analytics and machine learning platform worldwide. Security Engineering plays a vital role in safeguarding customer data from malicious threats. We seek senior leaders to shape the vision and define the strategic approach within this critical domain. The impact you will have: Enhance the safety of Databricks for our customers by identifying and addressing critical vulnerabilities in our infrastructure and services. Attract top-tier talent from across the industry. Advocate for the security engineering discipline across the organization, wielding a significant voice to drive data-driven decisions. Represent Databricks at academic and industry conferences and events.

Jan 30, 2026
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loancrate logo
Full-time|Remote|United States

Role overview loancrate is hiring a Senior Software Engineer focused on Security. This role centers on strengthening security measures and protecting the integrity of software systems across the company. What you will do Work with teams from different disciplines to design and build security solutions Develop and implement protocols that defend applications from threats Help shape the security posture of loancrate’s products Location This position is open to candidates based in the United States.

Apr 13, 2026
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Space Exploration Technologies Corp. logo
Senior Security Software Engineer - Starshield

Space Exploration Technologies Corp.

Full-time|$168K/yr - $230K/yr|On-site|Washington, DC

At SpaceX, we believe in a thrilling future where humanity explores the stars. We are dedicated to developing innovative technologies to make this vision a reality, culminating in our ultimate goal of enabling human life on Mars.SENIOR SECURITY SOFTWARE ENGINEER - STARSHIELDOur Starshield program leverages SpaceX’s advanced Starlink technology and launch capabilities to bolster national security initiatives. Unlike Starlink, which caters to consumer and commercial sectors, Starshield is tailored for government applications, focusing on critical areas such as earth observation, secure communications, and hosted payloads. The Starshield team is tasked with creating highly reliable in-space mesh networks, developing secure systems to ensure space access, and designing next-generation communication and sensing software.As a Senior Security Software Engineer, you will play a pivotal role in shaping the security landscape of our diverse product lines. We seek individuals with a proven history of delivering dependable software and a comprehensive understanding of contemporary Internet security design, including cryptographic principles. Your capacity to see the broader picture, prioritize effectively, and work across various abstraction levels will be essential. Expertise in one or more of the following areas is highly desirable:Software engineeringApplied cryptographyNetwork securityOperating system securitySecure/authenticated bootIncident response and adversary detectionVulnerability researchYour success will depend on your adaptability, clear communication, and ability to build and maintain productive relationships with fellow engineering teams. If you are passionate about crafting high-quality products, enjoy the challenges of outsmarting adversaries, and aspire to make a significant impact on an interplanetary scale, you will thrive here.

May 1, 2026
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Triumph Arcade logo
Full-time|On-site|San Francisco HQ

About UsTriumph Arcade revolutionizes mobile gaming by allowing players to wager and win real money, engage in mass multiplayer games, and compete in social tournaments. Our app has become the leading choice in its App Store category, showcasing remarkable month-over-month growth in both revenue and active player engagement. As we continue to innovate and expand, we're excited to introduce new products, including Rips, our collectibles app, which has already gained significant traction.Supported by esteemed venture capitalists such as Goodwater Capital, General Catalyst, and DraftKings Drive Fund, Triumph is on a hyper-growth trajectory.The RoleAs our Founding Security Engineer, you will play a pivotal role in shaping and implementing the security framework that safeguards Triumph’s players, funds, and data across all platforms. Your expertise will ensure Triumph's resilience against technical failures, credential compromises, or security incidents, thereby protecting our assets and maintaining operational viability.You will be the primary authority on security for our backend systems, mobile applications, infrastructure, and internal tools, establishing the standards for security practices at Triumph. This position reports directly to our CTO and Co-Founder, Jared Geller.What You’ll DoIdentity, Access & Privilege Escalation - Manage all service accounts, IAM, and privilege elevation systems within the production infrastructure.Blast Radius & Recovery Guarantees - Oversee disaster recovery design and execution, ensuring that no infrastructure failure or security incident can lead to irreparable loss of critical data, funds, or system integrity. Set and enforce recovery point (RPO) and recovery time (RTO) objectives for all crucial data systems.Audibility & Forensic Readiness - Ensure all security actions in production are auditable, attributable, and easily reconstructable.Compliance - Lead the technical implementation of data protection controls necessary for compliance with GDPR and similar regulations.

Feb 5, 2026
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Statsig logo
Full-time|$165K/yr - $200K/yr|On-site|Bellevue, WA

*Statsig is currently not hiring for this position but is eager to build a pipeline for future roles in the coming year. We welcome applications now!About StatsigStatsig is dedicated to transforming the software development landscape, enhancing how applications are constructed, tested, and scaled.Renowned companies such as OpenAI, Microsoft, Atlassian, Notion, Bloomberg, Brex, Vercel, and Rippling trust Statsig for insightful analytics and innovative growth strategies. We don't just provide analytics and experimentation tools; we are pioneering a new standard for product development, fostering a data-driven culture across organizations.ResponsibilitiesAs a Senior Security Engineer at Statsig, you will be integral in fortifying our systems and executing robust security protocols. Your engineering prowess combined with security expertise will be pivotal in enhancing Statsig’s security framework.Design, implement, and refine software architectures to mitigate security risks.Lead key initiatives aimed at bolstering security operations through the development of clean, high-quality, and efficient code.Create and sustain software solutions, including applications, database integrations, and new feature enhancements.Assist in testing and deploying new products and features.Engage in collaborative code reviews, upholding high standards of quality and best practices.Adopt a generalist approach to security controls, blending varied technical skills and security knowledge to address dynamic challenges.Participate in hands-on engineering and cross-functional collaboration to ensure alignment with business objectives and compliance standards (SOC2, ISO27001, FEDRAMP, etc.).Candidate ProfileYou excel in a dynamic, high-growth setting and are motivated to contribute to impactful projects that require scalability. You thrive in collaborative environments, particularly with large-scale applications and frameworks.Bachelor's degree in Computer Science, Cybersecurity, or a related discipline preferred.Over 5 years of experience in Software Engineering, Security Engineering, or a closely related field.Deep understanding of security principles, best practices, and common vulnerabilities.

Sep 22, 2025
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Prophet Security logo
Full-time|Hybrid|Menlo Park (Hybrid)

Join Prophet Security as a Software Engineering Manager for our Platform Team!At Prophet Security, we are revolutionizing the security operations landscape with our AI-powered platform that enhances detection, investigation, and response capabilities. Our mission is to empower security teams to operate without the limitations of overwhelming alert volumes or disjointed tools. As part of our growing team, you will collaborate with industry veterans from leading companies like Abnormal Security, Expel, Mandiant, and McAfee to shape our innovative solutions and enhance customer success.Your Role and ImpactThe Platform Team is critical to ensuring our security operations platform functions reliably and efficiently at scale. You will be responsible for:Integrations: Developing and maintaining effective connectors for seamless and dependable ingestion of security data from various sources, including SIEM, EDR, cloud platforms, and SaaS applications.Observability & Monitoring: Implementing comprehensive telemetry, logging, and alerting systems to achieve over 99.9% uptime and facilitate swift incident responses.Developer Productivity: Creating CI/CD pipelines, testing frameworks, and development tools to enhance the overall efficiency of our engineering organization.Deployment Infrastructure: Designing and managing secure deployment systems that ensure compliance across diverse customer environments.As the Engineering Manager for the Platform Team, you will define and oversee the technical roadmap, balancing immediate customer needs with a vision for architectural excellence. Your contributions will significantly influence every customer interaction with Prophet Security, enabling our engineering team to work more effectively and scalable.Your ResponsibilitiesThis role is a hands-on engineering management position, where you will dedicate 25% of your time to direct technical contributions while leading your team.Build and nurture a high-performing team of Platform engineers, focusing on hiring top talent that aligns with our culture.Maintain technical credibility by staying engaged with our codebase, ready to troubleshoot issues, enhance monitoring, or deploy new features as necessary.Provide mentorship and guidance through regular one-on-one meetings, establishing clear pathways for career development and growth opportunities for each team member.Continuously evaluate and refine team processes to drive efficiency and innovation.

Feb 10, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1 Position Overview The Wikimedia Foundation is seeking a talented and experienced Senior Software Engineer specializing in Security and Privacy to join our Product Safety and Integrity team. In this pivotal role, you will be instrumental in developing innovative security features that safeguard Wikipedia and our wider projects. This is a hands-on engineering position where you will collaborate closely with a skilled team of engineers and product managers to design and implement cutting-edge features that enhance user safety and ensure the platform's resilience against potential threats. As a seasoned software engineer, you bring substantial experience in building security features for large-scale systems. You recognize the critical importance of rigorous testing and comprehensive documentation, while being well-acquainted with the common challenges encountered in the development of secure web applications. Your passion aligns with the mission of the Wikimedia Foundation, where transparency is paramount, and your contributions will impact thousands of editors daily. Your primary focus will be on our MediaWiki platform, the backbone of Wikipedia. As one of the top ten websites globally, we maintain high-performance standards while addressing modern security challenges, including the integration of advanced authentication technologies, detecting and mitigating bot-related platform abuse, and enhancing our security architecture against emerging threats. Key Responsibilities: Design, develop, and deploy security features with a strong emphasis on safety and compliance. Collaborate with other engineering teams to ensure secure and compliant architectural and implementation choices. Champion best practices in code reviews, decision-making, and fostering a culture of transparency, empathy, and collaboration. Oversee the development, review, and deployment of security features contributed by both the Foundation and community members. Conduct internal and external reviews focusing on security and privacy. Manage maintenance tasks and address technical debt in security-critical components. Provide expert support for application security and privacy incidents. Qualifications: We prioritize mindset and potential over a rigid checklist of experiences. Ideal candidates will possess the following: 5+ years of software engineering experience, preferably with a focus on security or privacy. Proficiency in modern web applications, primarily utilizing PHP and JavaScript. Strong understanding of security principles and practices. Ability to work effectively in a collaborative environment. Experience with security-related technologies and best practices.

Mar 20, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone Preference: GMT-5 through GMT+1About the RoleThe Wikimedia Foundation is seeking a skilled Senior Software Engineer to join our Product Safety and Integrity team. In this vital role, you will be instrumental in developing innovative security features to safeguard Wikipedia and our other projects. This is a hands-on engineering position where you will collaborate closely with a dedicated team of engineers and product managers to design and implement features that enhance user safety and ensure resilience against potential attacks.You bring extensive experience as a software engineer with a focus on building security features within large-scale systems. Your understanding of testing methodologies, documentation practices, and the common challenges in developing secure web applications will be invaluable. A passion for the Wikimedia Foundation's mission is essential, as our work positively impacts thousands of editors on a daily basis.In this role, you will primarily work on our MediaWiki platform, which powers Wikipedia. As one of the top 10 websites globally, maintaining high-performance standards while addressing modern security challenges, such as adopting advanced authentication technologies and preventing bot-related abuse, is crucial. You will also plan and implement enhancements to our security architecture to defend against emerging threats.

Mar 20, 2026
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StubHub Inc. logo
Full-time|$200K/yr - $250K/yr|Hybrid|Aliso Viejo, California, United States

At StubHub, we are committed to transforming the global live event experience. Our goal is to provide an unparalleled ticketing journey for every fan, whether they are attending their first concert or their hundredth game. We strive to ensure that both fans and sellers find StubHub to be the most secure and user-friendly platform for ticket transactions.About the Team:The StubHub Cloud & Infrastructure Security Engineering team is looking for a Senior Security Software Engineer to bolster our security measures across cloud and infrastructure domains. The ideal candidate will have significant expertise in cloud security architecture, network security, and infrastructure automation, along with a solid understanding of container and operating system security.

Mar 27, 2026
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ExtraHop Networks logo
Full-time|$150K/yr - $180K/yr|Remote|Remote

At ExtraHop, we are revolutionizing Network Detection and Response (NDR) to empower enterprises and organizations to stay ahead of emerging threats with unparalleled network visibility, context, and control.Today's cyber attackers are adept at circumventing traditional security measures, utilizing identity-based entry points, moving stealthily across cloud, on-premise, and data center networks through encryption and trusted applications, and exploiting vulnerabilities at will. However, all this activity is visible on the network...if you have the right tools.By merging NDR with Network Performance Management (NPM), Intrusion Detection Systems (IDS), and forensic capabilities within a single, integrated platform, ExtraHop can decrypt and unlock full packet-level data at wire speed, analyze and correlate it across all networks, applications, devices, and users using cloud-scale machine learning, and provide a unified interface to the Security Operations Center (SOC) for real-time detection, investigation, and remediation of modern cyber risks.Position SummaryWe are ExtraHop, on a mission to equip security teams with the intelligence necessary to combat and neutralize advanced threats, including supply chain attacks, zero-day exploits, and ransomware incidents. Cyber attackers currently hold the upper hand, but we are determined to reclaim it with creativity, intellectual curiosity, and a sense of humor. Are you ready to join us in this mission?We are looking for a highly skilled and driven Senior Software Engineer - Security to join our Detection Engineering (DE) team and enhance ExtraHop’s industry-leading detection coverage.The ideal candidate should possess a robust background in software engineering, networking, and cybersecurity fundamentals. This role will involve close collaboration with security researchers and data scientists to develop cutting-edge network threat detections that utilize both rule-based observations and machine learning-powered anomaly detections.As a Senior Software Engineer - Security, you will be a vital member of a team dedicated to delivering top-tier detection capabilities. You will be expected to work autonomously, mentor fellow team members, and take full ownership of your responsibilities.ExtraHop offers a dynamic, high-energy, and versatile environment where team members are encouraged to collaborate on pioneering technology and build a world-class engineering team while fostering their individual growth. We embrace creativity and intellectual curiosity in our work.

Mar 12, 2026
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Illumio logo
Full-time|On-site|Sunnyvale, California - HQ

Onwards Together!Illumio stands at the forefront of ransomware and breach containment, revolutionizing how organizations manage cyber threats and establish operational resilience. Our innovative breach containment platform, powered by the Illumio AI Security Graph, effectively identifies and mitigates risks across hybrid multi-cloud environments, halting the escalation of attacks before they escalate into critical incidents.As a recognized leader in the Forrester Wave™ for Microsegmentation, we empower businesses to adopt a Zero Trust framework, enhancing their cyber resilience across infrastructures and systems that are vital to global operations.Work Environment:This position requires on-site presence five days a week at our Sunnyvale, CA headquarters.Our Team's Vision:Our engineering team embodies a culture fueled by visionary leadership, autonomy, and ownership, fostering a collaborative synergy that propels us forward in the dynamic field of cybersecurity.As a member of our team, you will contribute to the leader in Zero Trust Segmentation, working with a cutting-edge technology stack that encompasses operating systems, distributed applications, and advanced UI/visualization tools.Together, we are shaping the future of cybersecurity and developing world-class products, driven by diverse perspectives and a shared commitment to innovation during unprecedented times of cyber threats.Your Impact:Develop containerized microservices for a distributed, multi-tenant system that processes data, real-time events, and network telemetry from various public clouds to provide customers with actionable insights, visibility, and security recommendations to minimize cloud risks.Design your services, meticulously detail your architecture, advocate for your design decisions among peers, and deliver robust implementations.Mentor junior engineers, new graduates, and interns, fostering their development into productive team members.Primarily write code in Go and engage with data pipelines utilizing SQL or similar interfaces, leveraging Kubernetes for service infrastructure. We welcome candidates with diverse programming backgrounds and a strong desire to learn.Take ownership of key features and subsystems, managing the complete software development lifecycle from requirement clarification to successful deployment and utilization by customers.

Mar 23, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1About the RoleThe Wikimedia Foundation is seeking a skilled Senior Software Engineer to join our Product Safety and Integrity team. In this pivotal role, you will be instrumental in developing innovative security features that safeguard Wikipedia and our other projects. This position demands a hands-on approach, collaborating closely with fellow engineers and product managers to design and implement features that enhance user safety and bolster the platform's resilience against various threats.As an experienced software engineer, you possess a deep understanding of building security features in large-scale systems. Your expertise includes the significance of thorough testing and documentation, as well as the common challenges encountered in developing secure web applications. Your commitment to the Wikimedia Foundation's mission is paramount, as our operations are characterized by transparency, impacting thousands of editors daily.In this role, you will primarily focus on our MediaWiki platform, which underpins Wikipedia. Given its status as a top 10 website, we must adhere to rigorous performance standards while tackling emerging security challenges, such as modern authentication technologies, bot abuse detection and prevention, and enhancing our security architecture to defend against evolving threats.Your Responsibilities Include:Designing, developing, and delivering security features with a focus on safety and security.Collaborating with other engineering teams to ensure safe and compliant architectural and implementation choices.Leading by example in code reviews, decision-making, and nurturing a team culture that emphasizes transparency, empathy, and collaboration.Reviewing and deploying security features developed by the Foundation and community contributors.Conducting internal and external security and privacy assessments.Maintaining and addressing technical debt in components critical to security and privacy.Providing support for application security and privacy incidents and operations.

Mar 20, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1 Position Overview The Wikimedia Foundation is seeking an experienced Senior Software Engineer to join our Product Safety and Integrity team. In this pivotal role, you will be instrumental in developing cutting-edge security features to safeguard Wikipedia and our other projects. This hands-on engineering position requires close collaboration with a talented team of engineers and product managers to design and implement innovative solutions that protect our users and ensure the platform's resilience against various threats. As a proficient software engineer, you possess substantial experience in building security features within large-scale systems. You understand the critical nature of rigorous testing and documentation, as well as the common pitfalls in developing secure web applications. Your commitment to the Wikimedia Foundation's mission is paramount, as our transparent operations impact thousands of editors every day. Your primary focus will be on our MediaWiki platform, which powers Wikipedia. As one of the top ten websites globally, we adhere to strict performance standards while addressing emerging security challenges, including the implementation of modern authentication technologies, detection and prevention of bot-related abuse, and enhancements to our security architecture to defend against evolving threats. Key Responsibilities: Design, develop, and implement security features with a focus on safety and compliance. Collaborate with various engineering teams to ensure safe and compliant architectural and implementation choices. Lead by example in code reviews, decision-making, and fostering a culture of transparency, empathy, and collaboration. Develop, review, and deploy security features created by the Foundation and community members. Conduct internal and external security and privacy audits. Maintain and address technical debt in security and privacy-critical components. Provide support for application security and privacy incidents and operations. Qualifications: 5+ years of experience as a software engineer, ideally with a focus on security or privacy. Proficient in developing modern web applications, primarily using PHP and JavaScript. Deep knowledge of PHP is not mandatory but a solid engineering background and experience with back-end web development are essential.

Mar 20, 2026
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Commure logo
Full-time|On-site|Mountain View, CA

Join our innovative team at Commure as a Senior Software Engineer specializing in Information Security. In this role, you will play a critical part in safeguarding our systems and data against evolving security threats. You will collaborate with cross-functional teams to design, implement, and maintain robust security measures. Your expertise will be pivotal in ensuring compliance with industry standards and best practices.

May 4, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone Preference: GMT-5 to GMT+1 Join Us as a Senior Software Engineer in Security & Privacy The Wikimedia Foundation seeks a talented Senior Software Engineer to enhance our Product Safety and Integrity team. In this pivotal role, you will design and implement innovative security features that protect Wikipedia and our broader projects. Collaborating closely with fellow engineers and product managers, you'll work on building solutions that ensure our platform remains resilient against threats, thereby safeguarding the experience of thousands of users daily. As an experienced software engineer, you have a solid track record in developing security features for large-scale systems. You appreciate the critical roles of testing and documentation, and you are well-versed in the common challenges associated with creating secure web applications. Your commitment to the Wikimedia mission drives you as you contribute to a culture of transparency and collaboration. In this role, you will primarily focus on our MediaWiki platform, which serves as the backbone for Wikipedia. As one of the top ten websites globally, we face stringent performance expectations while addressing evolving security challenges. You will tackle modern authentication technologies, identify and mitigate bot-related platform abuse, and spearhead enhancements to our security architecture to thwart emerging threats. Key Responsibilities: Design, develop, and implement security features with a strong focus on user safety and security. Collaborate with various engineering teams to ensure they adopt secure architectural and implementation practices. Lead by example in code reviews, decision-making, and foster a culture of transparency, empathy, and teamwork. Oversee the development, review, and deployment of security features created by both the Foundation and the community. Conduct comprehensive internal and external security and privacy audits. Manage maintenance tasks and address technical debt in security and privacy-sensitive components. Provide support during application security and privacy incidents. Qualifications: Minimum of 5 years of experience as a software engineer, with a focus on security or privacy. Demonstrated ability to work efficiently in modern web applications, primarily using PHP and JavaScript. Deep expertise in PHP is not mandatory; a strong engineering background with back-end web technologies is sufficient.

Mar 20, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1Senior Software Engineer (Privacy)OverviewThe Wikimedia Foundation is seeking a talented Senior Software Engineer to enhance the security features of Wikipedia and its associated projects. This pivotal role involves collaborating with engineers and product managers to design and implement robust security measures that safeguard our users and maintain the resilience of our platform against various threats.As an experienced software engineer, you possess a strong background in developing security features within extensive systems. You appreciate the significance of thorough testing and documentation, and you are aware of the common challenges faced while crafting secure web applications. Your commitment to the Wikimedia Foundation's mission is evident, as our work impacts thousands of editors daily in a transparent environment.Your primary focus will be on our MediaWiki platform, which supports Wikipedia. As one of the top 10 websites globally, we face demanding performance standards while tackling new security challenges, including modern authentication technologies, bot abuse prevention, and enhancing our security architecture to counter emerging threats.Your Responsibilities Include:Designing, developing, and implementing security features with a focus on safety and compliance.Collaborating with other engineering teams to ensure safe architectural and implementation choices.Leading by example in code reviews and fostering a culture of transparency, empathy, and teamwork.Developing and deploying security features created by the Foundation and community contributors.Conducting internal and external security and privacy assessments.Maintaining and addressing technical debt in security and privacy-critical components.Providing support during application security and privacy incidents.

Mar 20, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1About the RoleThe Wikimedia Foundation is seeking a talented Senior Software Engineer to join our Product Safety and Integrity team. In this role, you will develop innovative security features to safeguard Wikipedia and our other projects. This hands-on engineering position involves collaborating with a team of engineers and product managers to design and implement new functionalities that enhance user safety and ensure our platform's resilience against various attacks.As an experienced software engineer, you possess a strong background in building security features within large-scale systems. You understand the significance of testing, documentation, and common challenges in creating secure web applications. Your passion for the Wikimedia Foundation's mission is evident in your work. Our transparent operations impact thousands of editors daily.In this position, you will focus on our MediaWiki platform, which powers Wikipedia. As one of the top 10 websites globally, we must uphold high performance standards while tackling emerging security challenges, including modern authentication technologies, bot abuse detection, and enhancements to our security architecture to combat new threats.

Mar 20, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1 Position Overview The Wikimedia Foundation is seeking a talented and experienced Senior Software Engineer specializing in Security & Privacy to join our dedicated Product Safety and Integrity team. In this pivotal role, you will be instrumental in developing robust security features that safeguard Wikipedia and our various projects. This hands-on engineering position involves collaboration with a dynamic team of engineers and product managers to design and implement innovative features that enhance user safety and bolster the platform's resilience against potential threats. As a seasoned software engineer with a strong background in building security features for large-scale systems, you appreciate the significance of thorough testing and comprehensive documentation. You are aware of the common pitfalls associated with developing secure web applications and are driven by a passion for the Wikimedia Foundation's mission. Our commitment to transparency means that your work will impact thousands of editors daily. You will primarily focus on our MediaWiki platform, which powers Wikipedia. As one of the top ten websites globally, we adhere to stringent performance standards while addressing emerging security challenges, including modern authentication technologies, bot abuse detection and prevention, and enhancing our security architecture against evolving threats. Key Responsibilities: Design, develop, and deliver security features with a strong emphasis on safety and compliance. Collaborate with other engineering teams to ensure safe and compliant architectural choices. Promote a culture of transparency, empathy, and collaboration through exemplary code reviews and decision-making. Develop and oversee the deployment of security features crafted by the Foundation and community members. Conduct comprehensive internal and external security and privacy assessments. Manage maintenance and address technical debt in critical security and privacy components. Provide support for application security and privacy incidents. Required Skills and Experience: 5+ years of experience as a software engineer, ideally with a focus on security or privacy. Proficient in modern web application development, primarily using PHP and JavaScript. While deep PHP expertise is not mandatory, a strong engineering background and familiarity with back-end web development is essential.

Mar 20, 2026
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Wikimedia Foundation logo
Full-time|Remote|Remote

Timezone preference: GMT-5 through GMT+1About the RoleThe Wikimedia Foundation is actively seeking a Senior Software Engineer to become a vital part of our Product Safety and Integrity team. In this role, you will be instrumental in developing advanced security features that bolster the protection of Wikipedia and our other vital projects. This position is deeply hands-on, collaborating closely with a talented group of engineers and product managers to design, implement, and refine functionalities that enhance user trust and safeguard our platform against various attacks.As an experienced software engineer, you possess a strong background in building security features for large-scale systems. You appreciate the critical nature of thorough testing and meticulous documentation, as well as the common pitfalls encountered in the development of secure web applications. Your passion for the Wikimedia Foundation's mission and commitment to transparency is evident, as our work impacts thousands of editors daily.Your primary focus will be on our MediaWiki platform, which powers Wikipedia. Given our status as a top 10 website, you will be tasked with meeting rigorous performance standards while addressing evolving security challenges, including the integration of modern authentication technologies, bot abuse prevention, and enhancements to our security architecture to counter emerging threats.Key Responsibilities:Design, develop, and deliver security features with a focus on safety and security.Collaborate with other engineering teams to ensure safe and compliant architectural and implementation decisions.Lead by example in code reviews, decision-making, and team culture, promoting transparency, empathy, and collaboration.Develop, review, and deploy security features crafted by both the Foundation and community members.Conduct internal and external security and privacy assessments.Maintain and address technical debt in security and privacy-critical components.Support application security and privacy incident operations.

Mar 20, 2026

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