Lead Engineer at MongoDB | Dublin

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 re…

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.

About MannaAt Manna, we are revolutionizing delivery services by utilizing the skies.Our mission is bold yet straightforward: to provide fast, eco-friendly, and safe suburban deliveries. We develop our own aviation-grade drones that transport food, beverages, groceries, and more from local vendors directly to customers' doors within minutes.Our team is characterized by a commitment to making a difference, a focus on safety, and a belief that the best solutions arise from collaborative teamwork where everyone can be their authentic selves. We operate with speed, passion, and an unwavering desire to improve in all endeavors.If you are eager to create groundbreaking technology that has a tangible impact on the world (and enjoy your work in the process), you’ll thrive at Manna.Welcome to Manna — where we are delivering the future.Role PurposeAs the Lead Software Engineer for the Aircraft team, you will spearhead the technical strategy for onboard and embedded aircraft systems. You will establish long-term architectural direction, oversee complex multi-project deliveries, and mentor senior engineers throughout the broader software organization.This position is perfect for someone who excels in both deep technical work in embedded/robotics software and high-level system design, standards, and team development.Key ResponsibilitiesDefine the architecture for aircraft onboard software and associated firmware.Establish standards for reliability, performance, and scalability across aircraft systems.Contribute to architectural decisions impacting multiple teams (e.g., Aircraft ↔ Airspace ↔ QA).Lead design reviews for essential components, ensuring reliable deployment in safety-critical settings.Oversee roadmap execution while balancing immediate operational requirements with long-term system sustainability.Manage risk, rollout strategies, incident analysis, and ongoing enhancement for aircraft software.Collaborate closely with Hardware, Autonomy, Operations, and Aviation stakeholders.Mentor senior engineers and strengthen technical leadership within the team.Provide daily technical leadership and coaching to software engineers.Assist in recruitment and onboarding to expand team capabilities.

Join Toast, Inc. as a Staff Software Engineer and take the lead on innovative projects that shape the future of our technology. In this role, you will work collaboratively with cross-functional teams to design, develop, and implement high-quality software solutions. Your expertise will help drive technical direction and mentor junior engineers, fostering a culture of continuous improvement.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each member, affectionately known as a Klaviyo, brings to our vibrant workplace. We believe in providing every individual with a fair opportunity for success and value the unique experiences beyond traditional job qualifications. If you feel you closely align with this description but don't meet every requirement, we encourage you to apply. Curious about life at Klaviyo? Visit klaviyo.com/careers to explore how we empower creators to shape their own destinies.Team Overview:The Amplify Engineering team is dedicated to building cutting-edge internal tools, platforms, and AI-driven automation that enhance the efficiency and scalability of Klaviyo as we expand. We collaborate across various departments, including Sales, Marketing, Engineering & Product, Customer Service & Success, and Finance, to address real operational challenges with innovative software solutions.Our projects encompass internal applications, third-party integrations, interactive dashboards, CMS integrations, and robust AI systems that automate repetitive tasks, deliver timely information, and assist teams in making informed decisions. We thrive on tight feedback loops with our internal customers, enabling us to ship rapidly, learn continuously, and witness the tangible impact of our efforts on speeding up deals, resolving tickets promptly, and facilitating smoother launches.This position is tailored for lead engineers who are passionate about transforming real-world challenges into reliable, scalable solutions. The work you will do is highly visible and directly influences how thousands of Klaviyos accomplish their daily tasks.How You’ll Make an Impact:As part of the Amplify team, you will be instrumental in creating the internal platforms, automation, and AI systems that drive the daily operations of Klaviyos. As a Lead Software Engineer on Amplify, your responsibilities will include:Providing technical leadership and guidance for a suite of Amplify systems, including internal web applications, APIs, data pipelines, and AI workflows utilized by Sales, Marketing, Customer Service & Success, R&D, and Finance teams. You will play a crucial role in ensuring these systems are reliable, scalable, secure, and easy to evolve.Formulating...

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.

As a Lead Engineer at MongoDB, you will spearhead innovative engineering projects and guide a team of talented engineers to deliver high-quality software solutions. Your expertise will drive the development of cutting-edge technologies that power our database solutions, ensuring we remain at the forefront of the industry.

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.

Join Primark as a Data Platform & Engineering Lead and drive the evolution of our data architecture and engineering practices. In this pivotal role, you will lead a dynamic team focused on building robust data platforms that support our expansive retail operations. Your expertise will guide the development of innovative data solutions, ensuring data integrity, scalability, and availability.

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.

COMPANY OVERVIEWKKR is a prestigious global investment firm specializing in alternative asset management, capital markets, and insurance solutions. Our mission is to deliver compelling investment returns by adhering to a patient and disciplined investment strategy, employing exceptional talent, and fostering growth in our portfolio companies and communities. KKR manages investment funds that focus on private equity, credit, and real assets, and collaborates with strategic partners that oversee hedge funds. Our insurance subsidiaries provide retirement, life, and reinsurance products under the stewardship of Global Atlantic Financial Group. References to KKR’s investments encompass the activities of its managed funds and insurance entities.Role SummaryWe are in search of a Lead Engineer to spearhead the design, execution, and management of our Atlassian Jira and ServiceNow (SNOW) platforms, with a strong emphasis on system integration and CMDB governance. This crucial role will facilitate the creation of streamlined workflows across technology and operations teams, enhancing service management, change control, and cross-platform automation.

Join our innovative Observability team at MongoDB as a Lead Engineer! This is a unique chance to oversee systems that provide operational metrics, visualization, logs, traces, and alerts to ensure our customers' MongoDB deployments run smoothly and efficiently. We're searching for a results-driven leader who maintains high standards and has extensive experience in guiding engineers to design, build, and manage complex distributed systems at scale, with a strong emphasis on security, durability, availability, and performance.Tens of thousands of customers rely on our Observability stack to monitor their database clusters and generate actionable alerts, safeguarding their critical workloads. As MongoDB Atlas and its supporting infrastructure grow rapidly, the need for high-cardinality observability data becomes paramount, driving our need to continuously innovate and enhance our systems to accommodate billions of time series metrics while processing petabytes of logs, traces, and events.Our team promotes a culture of inclusivity, diversity, and collaboration. If you aspire to be a technical leader within a supportive team that applies deep systems knowledge to build the backbone of a leading database, we invite you to apply!This position is for candidates based in Dublin, adhering to our hybrid work model.

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 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.

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.