Senior Software Engineer – Build Global Collaboration Apps

Cisco Systems, Inc; Galway; On-site; EUR 100,000 - 140,000; Full time

Job summary

Cisco Systems, Inc. is seeking a senior software engineer to design, build, and evolve high-quality features in a performance-sensitive Webex engineering context.

You will contribute to architecture decisions, break down complex requirements, and mentor teams as we scale cross-platform collaboration tools. Join a fast-paced, collaborative environment that values automated testing, observability, and product-quality metrics.

Qualifications

• Bachelor’s degree in Computer Science, Electronic Engineering, Software Engineering, or equivalent practical experience.
• 7+ years of professional software development experience or equivalent delivering high-quality, production-grade software in complex environments.
• Strong proficiency in at least one programming language such as C++, Java, Swift, or Objective-C, with ability to develop proficiency with modern C++.
• Strong software design and problem-solving skills, including evaluating trade-offs and making sound technical decisions.
• Experience contributing to architecture and design discussions and helping teams reach pragmatic decisions.
• Experience with automated testing and commitment to quality through code reviews, test strategy, observability, and continuous improvement.
• Experience using data, telemetry, logs, or other quantitative evidence to diagnose problems and assess changes.
• Ability to communicate technical concepts clearly to engineers, product partners, and stakeholders with varying levels of technical knowledge.

Responsibilities

• Design, build, and evolve high-quality end-user features used by millions of people, focusing on native, performance-sensitive applications.
• Contribute to and lead architectural decisions within your domain, creating scalable designs aligned with platform strategy.
• Break down product requirements into technical designs and guide delivery from concept to production.
• Develop robust, well-tested production code and deepen C++ expertise within a modern stack.
• Improve engineering efficiency through automation, tooling, CI/CD workflows, diagnostics, and repeatable processes.
• Use telemetry and customer feedback to investigate issues and prioritize improvements that enhance reliability and experience.
• Define and monitor engineering and product-quality metrics, turning data into actionable recommendations.
• Mentor engineers and collaborate with product managers and other teams to balance value, health, and long-term sustainability.

Skills

C++

Java

Strong software design

Problem-solving

Telemetry/observability

CI/CD workflows

AI-assisted development tools

Git & DevOps practices

Education

Bachelor’s degree in Computer Science or related field

Tools

Qt

Cocoa

React/Angular

Java/Spring

REST APIs

WebSockets

Job description

Cisco Systems, Inc. is seeking a senior software engineer to design, build, and evolve high-quality features in a performance-sensitive Webex engineering context.

You will contribute to architecture decisions, break down complex requirements, and mentor teams as we scale cross-platform collaboration tools. Join a fast-paced, collaborative environment that values automated testing, observability, and product-quality metrics.