Senior Software Engineer - Ingress Security Team

Join the innovative Server Ingress Security team at MongoDB, where we are transforming the ingress networking of MongoDB Server to enhance cluster security. Our team is responsible for developing the Atlas Network Protection layer, a suite of high-performance, security-critical services designed to fortify MongoDB's pre-authentication attack surface while enabling swift responses to emerging threats. We are seeking talented Senior Engineers to become founding members of this team, playing a pivotal role in our multi-year strategic roadmap. Our team fosters a strong culture of inclusivity, diversity, and collaboration. If you are passionate about working in a collaborative environment that applies security and systems engineering principles to protect a widely-used database at scale, we would love to hear from you! We are particularly interested in candidates located in Dublin for our hybrid work model.

Join the innovative team at MongoDB as a Staff Software Engineer specializing in Server Ingress Security. In this pivotal role, you will be responsible for designing and implementing robust security solutions that protect our server infrastructure from unauthorized access and potential threats. Your expertise will play a crucial part in enhancing the security posture of our applications, ensuring seamless and secure connectivity for our users.

Join MongoDB as a Senior Security Software Engineer focused on enhancing our Infrastructure Security. You will play a crucial role in protecting our systems while working alongside talented individuals in a dynamic environment.

At Gong, we leverage advanced AI technology to revolutionize the success of revenue teams. Our Gong Revenue AI Operating System integrates data, insights, and workflows into a cohesive and reliable system that collaborates with the most successful revenue teams globally. With the support of the Gong Revenue Graph, AI-driven intelligence, specialized agents, and trusted applications, we empower over 5,000 organizations worldwide to gain profound insights into their teams and customers, automate essential sales processes, and achieve higher sales outcomes with greater efficiency. Discover more at www.gong.io.Joining Gong means becoming part of a vibrant community dedicated to innovative products, lofty ambitions, and driven individuals. We are at the forefront of shaping the future of revenue intelligence and seek individuals eager to contribute to what lies ahead. You will collaborate with a team that aspires to achieve greatness, operates swiftly, and values craftsmanship as well as camaraderie. In our environment, transparency and trust are fundamental, allowing every team member to make a significant impact. If you are looking to advance, challenge yourself, and engage in work that truly matters, Gong is where you can excel in your career.We are in search of a proactive Digital Architect of Chaos Prevention, someone who treats zero-day vulnerabilities as routine and constructs automated defenses before threats can even pose a challenge. As a Senior Security Operations Engineer, you will be the architect of our protective measures, refining code and strengthening our global infrastructure to enhance security.If you are a cloud-savvy defender who thrives in high-stakes situations and abhors monotonous tasks, your new adventure awaits.Your Responsibilities:Chaos Wrangler: Manage SIEM/SOAR tools like a digital maestro, assisting analysts by automating tedious tasks.Threat Buster: Vigilantly seek out threats before they emerge, not just responding but predicting.Trap Setter: Proactively develop custom logic, YARA rules, and Sigma signatures to detect attackers before they realize they’ve been identified.Multi-Cloud Mastery: Oversee our environments in AWS, GCP, and Azure, ensuring our security posture is impeccable across the board.Fortune Teller: Delve into the obscure corners of the web, analyzing adversarial behavior and transforming threat intelligence into actionable defense strategies.Elite Mentor: Lead and nurture junior analysts and engineers, establishing the benchmark during on-call rotations.Cross-Functional Diplomat: Collaborate effectively across IT, DevOps, and Privacy teams to enhance security protocols.

Join Our Innovative Database Experience (DBX) TeamThe Database Experience team is dedicated to creating the libraries and tools that empower developers in their daily work with MongoDB. Our goal is to enhance developer adoption, satisfaction, and retention by providing a dependable and enjoyable interface.We are actively seeking a skilled engineer to join our PHP team based in Dublin. You will collaborate with a team of three engineers to optimize and drive the adoption of MongoDB within the PHP community.This role supports a hybrid working model for candidates located in Dublin.Your ResponsibilitiesMaintain and enhance the MongoDB PHP Extension.Collaborate with the libmongoc team to architect APIs utilized by the PHP driver.Engage with PHP core developers to stay informed on updates in the PHP language.Assist our Developer Relations, Documentation, and Education teams in generating high-quality resources for PHP developers.Pursue speaking and writing opportunities to actively engage with the PHP community.Are You the Right Fit?You thrive on developing libraries that enable developers to build and deploy applications more efficiently.You believe developers deserve superior tools for database interaction.You champion testing and agile software development practices.You are passionate about Open Source and committed to giving back to the community.You enjoy working within a small, distributed team across Ireland, France, Germany, and the Netherlands.Required Qualifications5+ years of experience in PHP development.3+ years of experience managing PHP extensions.Strong understanding of relational and non-relational database systems.Familiarity with testing methodologies and static analysis.Excellent English communication skills, both written and verbal.Preferred QualificationsExperience contributing to the PHP project.Proficiency with build tools such as autotools and make.Hands-on experience with MongoDB and its document model.Success MetricsWithin three months, you will effectively contribute to daily tasks, including bug fixes, feature implementations, and thorough code reviews.Within six months, you will influence the roadmap and lead the design of new features.

Join Toast, a leading restaurant technology platform, as a Senior Principal Software Engineer in the Team Agent division. In this pivotal role, you will spearhead the development of innovative software solutions that empower restaurant operators to thrive in an increasingly digital world. Your expertise in software engineering will guide the team in building robust, scalable applications that enhance operational efficiency and improve customer experiences.

Securitas is hiring a Security Team Leader based in Dublin. This role leads a group responsible for providing dependable security services to clients and protecting their property. Main responsibilities Oversee daily security operations at the assigned site Make sure all team activities align with company policies and procedures Maintain a secure environment for clients and safeguard their assets

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each team member—affectionately known as Klaviyos—brings to our dynamic workplace. We believe in equitable opportunities for success and value the unique insights that every individual contributes beyond standard job qualifications. If you find that your experience closely aligns with our needs, we encourage you to apply even if you don't meet every requirement. To discover more about life at Klaviyo, please visit klaviyo.com/careers to see how we empower creators to own their destinies.Team OverviewThe Infrastructure Security team ensures that engineers can effortlessly make secure choices while developing top-tier software at remarkable speeds. Security is integrated by default—creating a seamless experience that enhances both the engineers' workflow and Klaviyo's overall security posture.Our initiatives sit at the crossroads of security, infrastructure, and software engineering, as we design and build cloud-native platforms and services that are reliable, secure, and high-performing on a global scale—forming the essential backbone for all Klaviyo engineers.This position is ideal for engineers who are passionate about constructing modern distributed systems, prioritize security and reliability, and wish to make a significant impact within a large engineering organization.Your ImpactAs a Software Engineer on the Infrastructure Security team, you will design and maintain the systems that empower Klaviyo engineers to deliver secure software confidently. Your responsibilities will include:Architecting, developing, and maintaining cloud-native security services utilized throughout Klaviyo.Taking ownership of key components and services from initial implementation to production deployment.Enhancing the availability, scalability, latency, and efficiency of infrastructure security systems.Collaborating with senior engineers on system design and architecture, contributing innovative ideas and technical solutions.Identifying and addressing performance, reliability, and security concerns in distributed systems.Utilizing cutting-edge technologies such as Python, Golang, AWS, Kubernetes, Terraform, and modern data storage solutions.Actively engaging in design reviews, code reviews, and collaborative brainstorming sessions.

Role Overview MongoDB, Inc. is hiring a Senior Cloud Product Security Engineer in Dublin. This role focuses on strengthening the security of MongoDB’s cloud-based products. The position partners closely with teams across the company to spot vulnerabilities, apply security controls, and help maintain strong security practices throughout the product lifecycle. What You Will Do Work with engineering and product teams to assess and address security risks in cloud products Identify vulnerabilities and help drive remediation efforts Implement security measures that align with industry standards and internal guidelines Contribute to ongoing improvements in MongoDB’s security posture Location This position is based in Dublin.

Squarespace is seeking an accomplished Engineering Team Manager to spearhead the Dublin division of our Help Experience team. Our mission is to empower the growth of our customers’ businesses through a cohesive support platform, while enhancing the operational efficiency of our Customer Operations division. Your contributions will directly impact over 500 advisors and 1 million customers who rely on our suite of support tools monthly. In this pivotal role, you will partner with Product and Design leaders to steer the engineering team in executing technical enhancements across our application portfolio. You will oversee the development of new applications, augment existing features, and maintain strategic clarity with stakeholders in Engineering, Data, Product, and Customer Operations. You will mentor engineers at various experience levels, articulate and implement technical strategies with cross-functional teams, and align our business objectives with customer needs as we expand our support platform into new markets and products. This is a full-time hybrid position, requiring in-office presence three days a week at our Dublin office, while reporting to the Engineering Manager based in NYC.

Role Overview Tenable, Inc. is hiring a Senior Software Engineer for the Dublin office. This role focuses on building software that strengthens cybersecurity and helps defend against emerging threats. The team values practical solutions and welcomes new ideas that move the company forward. What You Will Do Design and develop software to address cybersecurity challenges Work closely with other engineers to deliver reliable, secure products Contribute technical expertise and creative problem-solving to team projects Work Environment This position is based in Tenable's Dublin office. The engineering team collaborates regularly and values clear communication. Contributions have a direct effect on the company's products and mission.

Join Our TeamAs an integral member of the CloudEOS team at Arista Networks, you will engage with a dynamic and talented group dedicated to developing innovative software solutions for Cloud-enabled WAN connectivity. Our team oversees the complete lifecycle of control plane, software data plane, and management platform/APIs/services.Your ResponsibilitiesYou will contribute to the creation of groundbreaking products and services that offer highly automated networks, ensuring secure connectivity across multiple global locations. In this position, you will work with diverse technologies, including the Extensible Operating System (EOS), multithreading, multicore software forwarding via DPDK, and various public cloud infrastructures such as AWS, Azure, and GCP. You will also explore areas like path selection, NFV, containers, network segmentation, virtualization, microservices architecture, CI/CD pipelines, and Terraform-based provisioning models.

Join our innovative team as a Senior Software Engineer at MongoDB in Dublin. We are seeking a talented individual who excels in designing and implementing robust software solutions. You will collaborate with cross-functional teams to develop high-quality applications and contribute to all phases of the software development lifecycle. This role offers a unique opportunity to work on exciting projects and leverage cutting-edge technology in a dynamic environment.

The MongoDB Database Experience team is a dynamic and diverse group dedicated to enhancing user management of MongoDB at a global scale. We are focused on developing innovative tools for MongoDB Atlas, our rapidly growing database-as-a-service platform that enables users to deploy fault-tolerant, globally distributed MongoDB clusters in mere minutes. We are on the lookout for a Senior Software Engineer to become an integral part of our Developer Tools Team within the Database Experience department. This team is responsible for crafting tools that empower users to interact with their data and monitor the health and performance of their MongoDB deployments. Our work includes a variety of APIs and user-friendly interfaces, allowing MongoDB users to manage their stored data seamlessly, whether on desktop through MongoDB Compass or in the browser via Atlas Data Explorer. This position offers the flexibility to work from our Dublin office or remotely within Ireland.

Join our dynamic team at Toast as a Senior Backend Software Engineer, where you will play a pivotal role in designing and developing innovative backend solutions. You will collaborate with cross-functional teams to create efficient and scalable systems that enhance our platform’s performance and user experience.Your expertise in backend technologies will drive the development of robust software applications, ensuring high availability and performance. Be part of a culture that values innovation, teamwork, and continuous learning.

Semperis develops enterprise security and identity solutions, with a focus on creating an environment where employees feel valued and supported. The company has been recognized by Inc. 5000 as one of America’s fastest-growing cybersecurity companies and is listed as a DUNS 100 Top Startup to Work For. Semperis has also received the Inc. Best Workplace award multiple times. Role overview The Platform Group at Semperis is seeking a Senior Backend Software Engineer based in Dublin, Ireland. This position centers on designing and building shared infrastructure components that underpin the company’s security and identity products. The role blends hands-on engineering with teamwork across product, DevOps, and architecture groups. What you will do Design and implement shared platform components to support scalability, reliability, and maintainability for several product teams. Architect distributed systems using microservices and event-driven approaches for enterprise-scale workloads. Own key backend services throughout their lifecycle, focusing on code quality, performance, and operational standards. Collaborate with product engineers, DevOps, and architects to define platform features and set technical guidelines. Mentor junior engineers through code reviews, pair programming, and technical advice. Lead technical projects aimed at improving developer productivity, system observability, and platform resilience. Contribute to architectural decisions and help define backend development best practices across the company. Analyze system performance and data trends to identify optimization opportunities and guide future platform investments. Requirements Minimum 7 years of professional experience in software engineering, with a strong emphasis on backend development. Expertise in C# and .NET Core, including familiarity with recent framework enhancements and performance features.

Telnyx develops technology to enable global connectivity. The company operates a private, multi-cloud IP network and delivers edge connectivity through APIs. With a focus on automating manual processes and addressing real-world challenges, Telnyx continues to invest in technology and team growth, backed by strong financial performance. Role overview The Senior Java Software Engineer joins the backend team managing a distributed, highly available data pipeline. This platform powers essential Telnyx products such as Voice, Messaging, and Wireless. The system runs on the Telnyx private backbone and is designed to be cloud-agnostic, processing thousands of messages per second. The engineering team oversees more than 30 microservices, all containerized with Docker and deployed across multiple regions in the U.S. and Europe. Deep expertise in Java Core is especially valued for this position. Locations Sao Paulo, Brazil Austin, Texas Argentina Dublin, Ireland What you will do Design, build, and maintain backend systems using Java Develop and support distributed, cloud-agnostic data pipelines Contribute to a microservices architecture with Docker Help scale systems that handle large volumes of messages Requirements Senior-level experience with Java Core Strong understanding of distributed systems Background in microservices and Docker Comfort working with a geographically distributed team Learn more Telnyx Private Network Edge Connectivity

About UsAt Articul8 AI, our unwavering commitment to excellence drives us to develop cutting-edge AI products that not only meet but exceed customer expectations. Our team is composed of passionate professionals who take immense pride in their work and consistently strive for greatness in every facet of our operations. We leverage our strengths to create a positive impact on the world, while inspiring others to join us on this journey.About the RoleWe are looking for a seasoned, hands-on security leader to take charge of and expand our security posture across our AI platform, infrastructure, personnel, and physical environments. This pivotal role demands extensive experience in dynamic startup settings, sound judgment, and the ability to navigate the delicate balance of speed, trust, and risk within an AI-centric organization.You will collaborate closely with the executive leadership team, as well as engineering, product, legal, and operations departments, ensuring that security is integrated into our processes rather than treated as an afterthought. Your leadership will facilitate rapid innovation while building enterprise trust.This position is not merely about compliance; it is a builder role designed for someone who comprehends the realities of Bay Area startups, the intricacies of AI development cycles, and the evolving landscape of modern threats.Key Responsibilities:Security Strategy & LeadershipDevelop and implement the company's comprehensive security strategy encompassing application, infrastructure, data, personnel, and physical security.Act as the chief security advisor to the executive team and Board of Directors.Position security as a business enabler for enterprise clients, partnerships, and global growth.AI & Product SecurityDesign and supervise security measures for AI systems, including:Access controls and isolation mechanismsSecurity and provenance of training dataInference security and prevention of abuseProtection of intellectual property and prevention of model leakageCollaborate closely with engineering and product teams to weave security into the Software Development Life Cycle (SDLC) without impeding innovation.Cloud, Infrastructure & Data SecurityOversee the cloud security posture (AWS/GCP/Azure as applicable).Define and enforce best practices related to:

The MongoDB Customer Observability Team comprises a diverse group of contributors dedicated to empowering users to effectively manage MongoDB at a global scale. We are responsible for MongoDB Atlas, our database-as-a-service solution and the fastest-growing product, enabling users to deploy globally distributed MongoDB clusters in just minutes. We are on the lookout for a Senior Software Engineer to join our team and address exciting challenges in the Observability domain. In this role, you will help develop tools and platforms that enhance our users' understanding of the health and performance of their MongoDB deployments. Your contributions will include collecting metrics, monitoring slow queries, and providing actionable insights, such as index and schema recommendations that enhance the speed, efficiency, and overall reliability of databases. This position offers a unique opportunity to influence engineering excellence across both aspects of observability, leveraging innovative technologies developed within the Customer Observability group while directly contributing to our customers' success and the success of our product teams. If you are passionate about large-scale systems, diving deep into telemetry data, and building impactful tools both internally and externally, we would love to welcome you to our team! We are specifically looking for candidates based in Dublin to fit our hybrid working model.

Ripple is seeking a Senior Manager, Software Engineering to guide a team of engineers in Dublin, Ireland. This position focuses on leading the development of scalable software solutions that support the company’s mission. Role overview The Senior Manager will oversee the software development process from planning through delivery. This includes mentoring engineers, setting technical direction, and ensuring that projects meet quality standards. Team leadership Building a collaborative and creative environment is central to this role. The Senior Manager will support team growth, encourage innovation, and help engineers reach their potential. What you will do Lead and mentor a team of software engineers Oversee the end-to-end software development lifecycle Promote high standards for technical excellence and product quality Foster a culture of collaboration and creativity