Senior Software Engineer - Webex

521 Cisco Systems Internetworking (Ireland) Limited; Galway; On-site; EUR 90,000 - 130,000; Full time

Job summary

521 Cisco Systems Internetworking (Ireland) Limited in Galway is seeking an experienced Software Engineer to design, build, and lead the technical direction of Java-based microservices within a distributed ecosystem. You will shape system architecture and drive robust CI/CD practices across the team.

The role emphasizes DevOps, performance, and reliability, with mentorship of mid-level and junior engineers and collaboration with senior peers to advance technical leadership.

Qualifications

• Bachelor's degree in an analytical subject (e.g. Computer Science, Electronic/Software Engineering).
• 7+ years of professional software development experience in Java, Python, or C++.
• Role focuses on developing microservices in Java.
• Experience leading high-level system design and architecture of distributed, multi-service ecosystems.
• Proven experience designing, configuring, or optimizing end-to-end CI/CD pipelines and container orchestration (Kubernetes).

Responsibilities

• Design, build, and lead the technical direction of end-user features used by millions of people worldwide.
• Lead the high-level system design and architecture of distributed, multi-service ecosystems.
• Drive DevOps strategy and CI/CD automation for highly available systems.
• Mentor mid-level and junior engineers to grow technical capabilities.
• Collaborate with Principal engineers to advance technical leadership trajectory.

Skills

Java

Python

C++

Education

Bachelor's degree in analytical subject

Tools

Kubernetes

CI/CD

Infrastructure as Code

Job description

Meet the Team Cisco's Webex Engineering Group is redefining the future of collaboration. We're building a world where people connect effortlessly to enjoy modern, uncompromised collaboration across every room, desk, pocket, and application. Our technology powers industry-leading products like Webex Meetings, Webex Calling, and Webex Contact Center. As a member of our team, your work will ensure every user gets a truly immersive experience regardless of device or location, empowering the hybrid working patterns of the future. Focusing on AI features for the Webex Calling solution, our team works to integrate the latest artificial intelligence technologies to enable the next generation of collaboration, efficiency and innovation.

Our team is based in Galway. We operate a hybrid working model.

Your Impact Innovate: Design, build, and lead the technical direction of end-user features used by millions of people worldwide. Our team is focused on building AI features for the bleeding edge of collaboration, giving you the platform to shape the architecture of our next-generation systems.

Lead by Example: Serve as a technical role model and mentor across the engineering team, setting a high bar for code quality, system testing, reliability, and operational excellence.

Embrace AI-First Engineering: Champion the adoption of transformative AI technologies, establishing best practices that leverage these tools to accelerate the team's overall productivity and speed up the delivery of key customer features.

DevOps & Microservices: Drive the scaling and operational strategy of our highly available microservice architecture, ensuring long-term system reliability and efficient deployment pipelines.

Adaptable & Problem-Solver: Tackle complex, systemic, and varied technical challenges daily-demonstrating data-driven decision-making, clear handling of architectural trade-offs, and an agility to adapt to shifting technical landscapes.

Ownership & Quality: Take full responsibility for leading critical, multi-faceted initiatives, driving everything from initial system design and automated testing strategies to the resolution of complex, high-priority production issues.

Support & Growth: Actively mentor and grow the capabilities of mid-level and junior engineers within a supportive team environment, while collaborating with Principal-level peers to advance your own technical leadership trajectory.

Minimum Qualifications

• Academic Qualification: Bachelor's degree or higher in an analytical subject (e.g. Computer Science, Electronic/Software Engineering).
• Core Software Development Experience: 7+ years of professional experience in software development using Java, Python, or C++.
• The role itself will mostly entail developing microservices in Java.
• System Architecture & Design Leadership: Documented experience leading the high-level system design and architecture of distributed, multi-service ecosystems, including defining cross-team API standards.
• DevOps & CI/CD Strategy: Proven experience designing, configuring, or optimizing end-to-end CI/CD pipelines, container orchestration (e.g., Kubernetes), or infrastructure-as-code strategies for highly available systems.

Preferred Qualifications

• Java & Spring Architecture: Deep technical expertise in advanced Java concepts, Spring Boot ecosystem optimizations, and microservices patterns (e.g., event sourcing, CQRS, WebSockets).
• Advanced Testing & Quality Assurance: Hands‑on experience establishing automated testing strategies across teams, including contract testing, performance/load testing, and chaos engineering.
• Engineering Mentorship: Demonstrated experience peer‑reviewing complex code architectures, onboarding new team members, and formally or informally mentoring mid-level and junior engineers.
• AI-First Engineering Leadership: Practical experience establishing team-wide best practices for using LLM‑based engineering tools (e.g., GitHub Copilot) for scaffolding, safe refactoring, and test generation.
• Strategic Trade-offs: Ability to clearly communicate and evaluate complex technical trade‑offs, manage technical debt, and align engineering decisions with broader business product goals.

We provide training and mentoring for all new team members to fill in any gaps.

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. Cisconians power the future. We make impact as a team, innovating fast and fearlessly to create meaningful solutions on a large scale. The depth and breadth of our technology doesn't just benefit our customers – it also means limitless opportunities for us to experiment and learn. We understand the power each of our unique backgrounds bring when we work together. Because of that, we have a global network of thinkers, doers, experts, and curious creators who help one another do their life’s best work.