Senior Software Engineer

The MongoDB Customer Observability Team is a dynamic and diverse group dedicated to empowering users to manage MongoDB at a global scale. We develop MongoDB Atlas, our leading database-as-a-service solution, allowing users to deploy globally distributed MongoDB clusters in mere minutes. We are on the lookout for a Software Engineer 3 to join our team and take on exciting challenges within the Observability domain. Your contributions will include developing tools and platforms that enhance our users' understanding of their MongoDB deployments' health and performance. This encompasses collecting metrics, monitoring slow queries, and providing actionable insights, such as index and schema suggestions that enhance the speed, efficiency, and reliability of their databases. This role offers a unique opportunity to drive engineering excellence across various observability dimensions, utilizing technologies developed within the Customer Observability group and directly impacting the success of our customers and product teams. If you are passionate about large-scale systems, analyzing telemetry data, and building impactful tools, we would love to welcome you to our team! We are specifically looking for candidates who are based in Dublin, as we operate under a hybrid working model.

MongoDB is seeking a Director of Engineering to lead the Atlas Clusters Organization in Dublin. This position plays a central role in shaping the future of MongoDB Atlas, the company’s database-as-a-service platform. Atlas allows customers to deploy secure, highly available, and globally distributed MongoDB clusters across AWS, Azure, and GCP in minutes. Key Responsibilities Lead engineering teams working on both the Atlas Clusters Control Plane and Data Plane Oversee the development of software that integrates with major cloud providers, including AWS, Azure, and GCP Focus on enhancing security, durability, availability, and performance for Atlas deployments Requirements Proven experience managing engineering teams that build complex distributed systems Strong knowledge of cloud infrastructure and services Demonstrated ability to find creative solutions to technical and organizational challenges Location This hybrid role is based in Dublin. Candidates should either reside in Dublin or be willing to relocate.

MongoDB is looking for a Lead Engineer to join the Atlas Clusters Fleet Signal Management team in Dublin. This position focuses on developing and enhancing the core systems that power MongoDB Atlas, the company’s cloud database management platform. Key responsibilities Lead the creation of new features and solutions aimed at boosting Atlas performance and reliability Collaborate with engineers, product managers, and cross-functional teams to design, implement, and maintain essential systems Ensure a stable, high-quality experience for Atlas users Location This role is based in Dublin.

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.

Join MongoDB's Observability team as a Senior Lead of Engineering, where you'll take charge of our comprehensive observability systems. This pivotal role involves overseeing operational metrics, visualizations, logs, traces, and alerts that are essential for monitoring the performance and health of our customers' MongoDB deployments. We seek a results-driven leader with high standards and a proven track record of managing large engineering teams in designing, building, and operating complex distributed systems at scale, ensuring strict service level objectives (SLOs) for security, durability, availability, and performance.The tens of thousands of customers relying on our Observability stack for monitoring their database clusters and generating crucial alerts are counting on your expertise. As MongoDB Atlas and its supporting infrastructure expand rapidly, we must continuously innovate and scale our systems to meet the growing demand for high-cardinality observability data. For instance, our systems must adeptly handle tens of billions of metrics time series, while processing petabytes of logs, traces, and events.We pride ourselves on a strong culture of inclusivity, diversity, and collaboration. If you aspire to be a deeply technical leader on a collaborative team that leverages low-level systems expertise to build the foundational infrastructure of a widely-used database, we invite you to join us!We are looking for candidates located in Dublin, as we support a hybrid working model.

Join MongoDB as a Senior Staff Engineer, where you will be pivotal in designing, developing, and managing our comprehensive Observability stack that serves both internal and external users. Our Observability stack is critical for monitoring database clusters, providing actionable alerts to protect vital workloads relied upon by tens of thousands of customers. You will contribute to a team responsible for the metrics, visualization, logging, tracing, and alerting systems that enhance the MongoDB platform's reliability and performance.As the demand for high-cardinality observability data grows alongside MongoDB Atlas, you will innovate and scale our systems to handle immense data volumes, processing billions of metrics time series and petabytes of logs and events. Our technology stack features tools and languages such as VictoriaMetrics, Splunk, Flink, WarpStream/Kafka, Java, and Golang. You'll collaborate closely with Software Engineers, Product Managers, and Site Reliability Engineers to promote best practices in service instrumentation and monitoring.We pride ourselves on fostering a culture of inclusivity, diversity, and teamwork. If you aspire to be a technical leader within a collaborative environment that leverages low-level systems expertise to build foundational infrastructure for a widely-used database, we invite you to apply and help us create a faster, more reliable, and highly observable database system.

Join MongoDB as a Senior Technical Program Manager, where you'll collaborate closely with pivotal Engineering, Product, and Product Design teams to spearhead the delivery of essential services and innovative features.This position is open to candidates located in Dublin for a hybrid work model or fully remote applicants within Ireland.

About AnthropicAt Anthropic, we are on a mission to develop AI systems that are not only reliable and interpretable but also steerable. Our primary goal is to ensure that AI technology is safe and advantageous for all users and society at large. Our rapidly expanding team consists of dedicated researchers, engineers, policy experts, and business leaders, all working collaboratively to create beneficial AI solutions.Role OverviewAt Anthropic, we believe in the strength of collaboration. Our AI Reliability Engineering (AIRE) team plays a crucial role in maintaining the robustness of Claude, our flagship AI, ensuring it remains reliable for everyone who relies on it. We work closely with various teams within Anthropic to enhance reliability across our essential service paths—from the SDK, through our network, API layers, serving infrastructure, and accelerators, and back again. Our hands-on approach allows us to make impactful improvements during incidents and in collaborative projects.Reliability is an emergent quality that extends beyond individual teams. Our role involves taking a comprehensive view of the systems, offering a unique opportunity for dynamic, cross-functional engagement with the most critical aspects of our operations.

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 Pinterest as a Software Engineer II, where you'll be part of a dynamic team dedicated to shaping the future of visual discovery. In this role, you will design, develop, and maintain high-quality software solutions that enhance user experiences. Collaborate with cross-functional teams to deliver innovative features that align with our mission of bringing everyone the inspiration to create a life they love.

Join Arista Networks as a Software Engineer in our Engineering Productivity team. In this role, you will be instrumental in enhancing the software development processes and tools that empower our engineering teams. Your innovative ideas and technical skills will contribute to the efficiency and effectiveness of our software development life cycle.

At Ripple, we are pioneering a future where value is transferred as effortlessly as information. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers to enhance the global financial system, promoting economic fairness and opportunity for individuals worldwide. Join a dynamic team where you can elevate your career and expand your skill set alongside supportive colleagues.If you are eager to make a significant impact and unlock remarkable career advancement prospects, we invite you to join us in creating tangible value for the world.In 2025, Ripple acquired GTreasury, marking an important step into the expansive corporate finance sector valued in the trillions.With over 40 years of expertise, GTreasury supports some of the largest and most sophisticated companies globally. By integrating its treasury command center into Ripple’s technology stack, we enable businesses to manage and optimize liquidity in real-time, across both traditional and digital assets.Become a part of our mission to revolutionize corporate treasury and the infrastructure that powers the Internet of Value.We are looking for a forward-thinking Staff Software Engineer who is passionate about developing a world-class platform in collaboration with a talented team. Your role will focus on driving technical excellence in application development, from design through implementation and maintenance.Key Responsibilities:Collaborate with architects and product managers to design, estimate, and implement innovative application features across front-end, server-side, and database tiers.Utilize Azure services to develop powerful, scalable, and resilient cloud-based solutions.Enhance software applications and manage delivery pipelines, feature flags, ensuring smooth integration and deployment.Conduct thorough unit, integration, and non-functional (performance, security) testing to ensure production readiness of our software.Employ observability tools and logging to troubleshoot and resolve issues across development, testing, and production environments.Stay updated on technology trends, explore new technologies, engage with tech communities, mentor fellow engineers, and lead technical design and code evaluations.Continuously seek improvements in team operations, processes, methodologies, and technology choices, aiming for excellence in every practice.

CarGurus has built a reputation as a trusted automotive marketplace, helping people navigate car buying and selling with confidence. The company’s platform supports millions of monthly visitors and thousands of dealerships, offering tools for selling, financing, purchasing, and delivery. With a foundation in transparency and a culture that values kindness, collaboration, and innovation, CarGurus encourages employees to grow their careers and contribute to ongoing evolution in the automotive space. The International team in Dublin is looking for a Software Development Engineer II. This role centers on product initiatives for the Canadian and UK markets and provides an opportunity to influence the culture of a growing office. Role overview This position covers the full software development lifecycle, spanning both frontend and backend work. Software Development Engineers at CarGurus work closely with Engineering and Product teams to develop solutions and address complex challenges for dealer-facing products. What you will do Build new full-stack features for dealer products from the ground up Integrate and enhance existing services using React, TypeScript, and Java Implement integrations with third-party APIs and partners Engineers in this role take ownership of projects from start to finish, collaborating with teammates and product partners to deliver results for international markets. Automotive industry experience is not required; the team values strong engineering skills and a drive to create new solutions.

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.

Why Choose PlayStation?At PlayStation, we pride ourselves on being not only the premier destination for gaming but also a remarkable workplace. As a global frontrunner in the entertainment industry, we develop an iconic range of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and award-winning titles from PlayStation Studios.We are committed to fostering an inclusive atmosphere that empowers our employees and celebrates diversity. We invite individuals who are passionate about innovation, technology, and gaming to explore our career opportunities and become part of our expanding global family.PlayStation operates as a division of Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.The Lead Principal Software Engineer will collaborate across various teams including Product Management, Architecture, Engineering, Hosting, and Operations. This role demands extensive technical knowledge, creativity, industry insight, and strong communication skills. You will leverage your technological expertise to drive future innovations on our platforms.In this capacity, you will play a critical role in architecting large-scale commerce systems on the Sony PlayStation Network Platform. Your contributions will adhere to industry best practices, facilitating highly available, active-active, and scalable services.You will engage in product roadmap discussions, pinpointing essential areas for enhancement and integrating these objectives into both current and future development strategies.

Semperis is known for fostering a workplace where employees can grow and succeed together. The company has been recognized on the Inc. 5000 list of America's fastest-growing cybersecurity companies and has earned multiple awards for its positive culture and employee experience. Role overview The Platform Group at Semperis is looking for a Junior Software Engineer based in Dublin, Ireland. This position centers on designing and developing core infrastructure that supports enterprise security and identity products. Collaboration and a commitment to technical excellence are essential in this role. Key responsibilities Design and build shared platform components that improve scalability, reliability, and maintainability across several product teams. Contribute to the architecture of distributed systems using microservices and event-driven patterns for large-scale enterprise requirements. Oversee backend services throughout their lifecycle, focusing on code quality, performance, and operational efficiency. Collaborate with product engineers, DevOps, and architects to define platform features and establish technical standards. Take part in code reviews, pair programming, and provide technical guidance to teammates. Assist with initiatives that enhance developer productivity, system observability, and platform resilience. Participate in architectural discussions and help advance backend development best practices within the organization. Examine system performance and data patterns to spot optimization opportunities and guide future platform improvements. Requirements Minimum of 1 year of professional experience in software engineering, focusing on backend development. Practical experience with C# and .NET Core, including knowledge of modern framework features and performance tuning. Team-oriented mindset with a willingness to learn and contribute in a collaborative environment.

Join Toast, Inc. as a Staff Software Engineer in the FinTech sector, where you will be instrumental in building innovative financial solutions to empower businesses. We are looking for a skilled engineer with a passion for technology and a commitment to excellence. You'll collaborate with cross-functional teams to deliver robust software solutions that enhance our financial services platform.

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.