Software Quality Assurance jobs in Ireland
Ebay Senior Hadoop Software Engineer Ireland, Dublin
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About the role
Troubleshoot and resolve production issues, ensuring minimal downtime. Maintain and improve system monitoring, logging, and alerting.
What you will bring
A validated, successful track record of 5+ years with strong programming skills in either Java or Scala.
Comprehensive knowledge of Apache Spark’s internals, including Catalyst optimizer, Tungsten execution engine, shuffle mechanics, AQE, and memory management.
Solid understanding of file formats like Apache Parquet and table formats such as Apache Iceberg，Delta or Apache Hudi internals, including snapshots, manifests, partition specs, and table metadata.
Familiarity with Linux/Unix systems, including shell scripting and system commands. Understanding of networking principles, as Hadoop often operates in distributed environments. Overall, the candidate is expected to have analytical skills to tackle complex distributed system challenges and optimize solutions.
Excellent problem solving and analytical skill on both defect and performance issue resolution.
Good team player and able to work with global team
Plus Points
Contribution to related open source projects like Apache Spark/Iceberg
Experience in designing and implementing distributed systems.
Good understanding of other Hadoop related projects including HDFS/HBase/Yarn
The cool part
Shape the future of eBay’s Hadoop ecosystem and big-data infrastructure.
Work at global scale, driving analytics that power millions of eBay experiences.
Join a culture that encourages open-source contribution, innovation, and collaboration.
These jobs might be a good fit
Ebay Senior Software Engineer Data Platform Ireland, Dublin
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At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.
Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.
Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.
eBay is a global commerce leader that connects millions of buyers and sellers around the world. We empower people and create economic opportunities for individuals, businesses, and communities. We're driven by a vision to create a more sustainable form of commerce that benefits the environment and society as a whole. Join us as we continue to innovate and shape the future of e-commerce.
Cloud Data Technologies (CDT) team at eBay is responsible for all the data infrastructure and management of end-to-end data lifecycle for all eBay data from onsite to analytics use cases. We are seeking a Software Engineer passionate about data-driven technologies and architectures.
work independently . You’ll design and deliver well-scoped services and features that advance eBay’s Core Data Platform—improving scalability, reliability, and developer experience. This role is ): you’ll build and evolve the platform itself rather than author application pipelines.
Independently design, implement, and ship distributed services and features end-to-end (design → code → tests → deploy → operate).
Build core platform capabilities across ingestion, streaming, lakehouse/warehouse, catalog, and governance .
Write production-grade code with strong observability (metrics, logs, traces) and SLOs , and participate in on-call for the services you own.
Diagnose and resolve performance, scalability, and correctness issues in distributed environments.
Contribute design docs for your areas; participate in reviews to uphold reliability, security, and cost best practices.
Collaborate with product, infra, and analytics teams to align technical work with business outcomes.
6+ years of software engineering experience, ideally in data infrastructure or large-scale backend systems.
Strong coding skills in Java or Python , with working knowledge of CI/CD pipelines.
Deep understanding of distributed systems (consensus, replication, fault tolerance) and experience running them in production.
Proven ability to build high-performance, low-latency APIs , with experience in memory, CPU, and heap optimizations.
Deep understanding of distributed systems internals and how to apply that knowledge to build robust, high-performance platforms.
Examples include Kafka partitioning and consumer lag handling, Flink checkpointing/state management, exactly once semantics and Spark shuffle/memory optimization.
Proven experience designing and building scalable data pipelines using Kafka, Flink, Spark , and modern data lake formats like Delta Lake or Iceberg .
Familiarity with modern data lake storage formats (e.g., Delta Lake, Apache Iceberg).
Strong debugging, system design, and performance analysis skills.
Able to work independently, make trade-offs, and deliver high-quality, maintainable code.
Contributions to open-source distributed systems or data platforms.
ships independent, well-scoped features/services to production with strong reliability.
Demonstrably improves throughput/latency/cost or availability/SLOs on owned services.
Becomes a go-to engineer for distributed-systems debugging and design conversations within the team.
Maintains high code quality, test coverage, and quality-in-release metrics.
Impact at scale: Your platform work powers analytics and ML across a global marketplace.
Hard problems: Streaming freshness/correctness, storage/compute efficiency, multi-region resiliency.
Collaborative culture: Inclusive team that values autonomy, craftsmanship, and knowledge sharing.
Growth: Strong mentorship, career development resources, and sustainable on-call practices.
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eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at . We will make every effort to respond to your request for accommodation as soon as possible. View our to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.
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Ebay Sr. MTS Software Eng Data Platforms Ireland, Dublin
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What you will accomplish
Lead the architecture and technical direction for eBay’s next-generation Core Data Platform.
Design and develop distributed backend systems for data processing at massive scale.
Optimize real-time and batch data services for performance, availability, and cost efficiency.
Partner with cross-functional teams to deliver end-to-end data solutions that enable AI, search, and marketplace insights.
Champion engineering excellence through automation, observability, and reliable service design.
Mentor engineers and help foster an inclusive, collaborative, and high-performing team culture.
What you will bring
8+ years of experience in backend or distributed systems engineering, ideally within data platform or infrastructure domains.
Proficiency in Java, Scala, or Go , with strong foundations in algorithms, data structures, and system design.
Expertise in distributed data systems such as Kafka, Spark, Flink, or HDFS.
Experience designing and operating large-scale services on cloud platforms (AWS, GCP, Azure, or private cloud).
Understanding of data governance, cataloging, and orchestration frameworks .
Strong communication and collaboration skills, with the ability to influence technical strategy across diverse teams.
The cool part
Shape the future of eBay’s global Core Data Platform, enabling real-time AI and analytics innovation.
Solve complex data challenges at global scale with a team passionate about performance and resilience.
Work in a culture that values craftsmanship, diversity, and open-source collaboration.
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Ebay Senior Software Engineer - Traffic Ireland, Dublin
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The design, development, and maintenance of traffic management solutions.
Optimize network protocols, configurations, and Points of Presence (PoP).
Develop and implement advanced caching strategies to improve system efficiency.
Develop high-performance applications in C++ and Go.
Deploy and manage scalable systems on Kubernetes.
Implement observability tools and practices to monitor system performance and health.
Collaborate with cross-functional teams to integrate networking solutions.
Monitor and analyze traffic patterns and security threats.
Contribute to and lead open-source projects.
Innovate and develop patented technologies to improve network capabilities.
Stay updated with the latest developments in network technologies, security practices, and software development.
Identify gaps and issues across systems and functional areas, proposes solutions, and drives those resolutions.
Champion best practices and advanced concepts and impact the business by delivering solutions that address business needs.
Lead and empower others, taking responsibility for small projects and collaborating across functional teams to influence change.
Actively seek feedback and ways to improve team performance and projects, demonstrating strong communication skills.
At least 5 years of experience in cloud networking or traffic management.
Strong programming skills in C++ and Go.
Experience with TCP/IP networking
Familiarity with TCP, SSL and HTTP Protocols.
Expertise in using Kubernetes for orchestrating containerized applications.
Experience with observability tools and practices.
Experience with Envoy for traffic control.
Experience contributing to and leading open-source projects.
Certifications in networking, Kubernetes, cyber security, or related fields.
Experience in a high-traffic, large-scale environment.
Familiarity with additional programming languages, including Java, or frameworks.
Proficiency in Agile development methodologies.
Experience in patent creation and innovation.
Experience in implementing caching strategies and optimizing PoPs.
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Ebay Software Engineer Site Reliability Ireland, Dublin
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What you will accomplish:
Proactive Monitoring : Continuously monitor the health of eBay's critical services to identify and address potential issues before they escalate.
Solution Development : Collaborate with Architecture, Engineering, and Operations teams to develop solutions that ensure high site availability, reliability and performance.
Collaborative Problem Solving : Work closely with partner teams to resolve recurring technical issues, onboard new alerts, and develop high-quality Standard Operating Procedures (SOPs).
Enhance Monitoring Tools : Build and improve tools for monitoring and mitigating site incidents, and conduct reliability audits and tests to strengthen eBay’s reliability and incident management capabilities.
Incident Management
What you will bring:
3-5 years of professional experience in software engineering, ideally in backend or platform teams
Proficiency in one or more programming languages (e.g., Java, Go, Python)
Strong incident management and leadership skills, with excellent technical triage and troubleshooting abilities, especially during crises.
Familiarity with cloud platforms, container orchestration (e.g., Kubernetes), and infrastructure-as-code tools
Experience with observability stacks (e.g., Prometheus, Grafana, ELK, OpenTelemetry)
Strong interpersonal and communication skills to thrive in fast-paced, dynamic environments.
: As part of the operation staff members of the SEC work a fixed shift. This position is for a day shift (7:00 AM to 5:00 PM) in our Dublin, Ireland location. Team members will work four days in a row in 10 hour shifts, with no on call responsibilities.
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Ebay Software Engineer - Full stack Ireland, Dublin
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Design, develop, and maintain both client-side and server-side applications for eBay’s data platforms.
Build responsive, accessible web applications using ReactJS , JavaScript , and modern UI frameworks.
Develop and optimize backend services and RESTful APIs using Java and Spring Boot .
Deploy, monitor, and manage cloud-native applications using Kubernetes and Docker .
Collaborate closely with product, design, DevOps, and data engineering teams to deliver robust, integrated solutions.
Conduct code reviews, testing, and performance tuning to ensure quality and scalability.
7+ years of experience as a Full Stack Engineer or in a similar software development role.
Strong proficiency in Java , Spring Boot , and REST API design and integration.
Expertise in ReactJS , JavaScript (ES6+), HTML, and CSS for dynamic, responsive UI development.
Hands-on experience with Kubernetes , Docker , and CI/CD pipelines.
Familiarity with cloud platforms such as AWS, GCP, or Azure.
Excellent problem-solving, communication, and collaboration skills.
Experience with microservices architecture and GraphQL .
Familiarity with Agile/Scrum methodologies and modern testing frameworks.
Proficiency in distributed systems and standard methodologies for scalable web services.
Work on impactful applications that support eBay’s data and analytics ecosystem.
Collaborate with a multi-functional team encouraging innovation across eBay’s data platforms.
Build modern, cloud-native systems that power insights for one of the world’s largest commerce platforms.
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Ebay Infra Software Engineer Ireland, Dublin
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What you will accomplish
Lead the full lifecycle of software projects — from requirements gathering through design, development, testing, and deployment.
Build and maintain tools that automate network lifecycle management and infrastructure deployment.
Develop and configure monitoring systems to support network engineering operations.
Implement new features, fix issues, and maintain high standards of software quality and test coverage.
Model, manage, and analyze network data to improve automation and operational efficiency.
Collaborate with engineers across infrastructure, operations, and AI teams to develop innovative solutions.
What you will bring
5+ years of software development experience, with at least 3 years in project or functional leadership.
Proficiency in Go, Java, and Python , with strong debugging and problem-solving skills.
Experience with CI/CD pipelines , Docker , Kubernetes , and time-series databases (TSDB).
Proficient in SDLC protocols, data modeling, and systems integration.
Working knowledge of UNIX/Linux environments and familiarity with network protocols (TCP/IP, routing, switching).
Bachelor’s or Master’s degree in Computer Science or related field, or equivalent experience in the field.
Preferred qualifications
Familiarity with LLM-based tools (e.g., ChatGPT, Claude Code) for engineering productivity.
Experience with Cisco Nexus Dashboard Fabric Controller or Adobe Flex .
Strong understanding of network automation, monitoring frameworks , and large-scale distributed systems.
The cool part
Work on modern automation technologies powering one of the world’s largest e-commerce infrastructures.
Collaborate with experienced engineers across networking, AI, and systems development.
Compose eBay’s next-generation network management and monitoring solutions — at global scale.
These jobs might be a good fit
About the role
Troubleshoot and resolve production issues, ensuring minimal downtime. Maintain and improve system monitoring, logging, and alerting.
What you will bring
A validated, successful track record of 5+ years with strong programming skills in either Java or Scala.
Comprehensive knowledge of Apache Spark’s internals, including Catalyst optimizer, Tungsten execution engine, shuffle mechanics, AQE, and memory management.
Solid understanding of file formats like Apache Parquet and table formats such as Apache Iceberg，Delta or Apache Hudi internals, including snapshots, manifests, partition specs, and table metadata.
Familiarity with Linux/Unix systems, including shell scripting and system commands. Understanding of networking principles, as Hadoop often operates in distributed environments. Overall, the candidate is expected to have analytical skills to tackle complex distributed system challenges and optimize solutions.
Excellent problem solving and analytical skill on both defect and performance issue resolution.
Good team player and able to work with global team
Plus Points
Contribution to related open source projects like Apache Spark/Iceberg
Experience in designing and implementing distributed systems.
Good understanding of other Hadoop related projects including HDFS/HBase/Yarn
The cool part
Shape the future of eBay’s Hadoop ecosystem and big-data infrastructure.
Work at global scale, driving analytics that power millions of eBay experiences.
Join a culture that encourages open-source contribution, innovation, and collaboration.
These jobs might be a good fit
