Tech Lead - Traffic

eBay; Dublin; On-site; EUR 120,000 - 160,000; Full time

Job summary

eBay is seeking a Technical Lead – Traffic in Dublin to drive network traffic optimization, system performance, and security for scalable operations.

You will build high-performance services in C/C++ and Go, deploy on Kubernetes, and mentor engineers while pursuing open-source collaboration and patents.

Qualifications

• 8+ years of experience in networking, traffic management, cyber security, or related areas.
• Proficiency in C/C++ and Go, with experience in Linux networking, Kubernetes, caching, and distributed systems.
• Experience with Envoy for traffic management is preferred.

Responsibilities

• Lead the design, development, and maintenance of traffic solutions for scalable network operations.
• Improve network performance via caching and PoP optimization.
• Develop high-performance applications using C/C++ and Go.
• Deploy and manage scalable systems with Kubernetes.
• Enhance security and observability of infrastructure and systems.

Skills

Networking experience

C/C++ programming

Go programming

Kubernetes

Cyber security

Education

Bachelor's/Master's in CS/Engineering

Tools

Envoy

Job description

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.

About The Team And The Role

As a Technical Lead – Traffic at eBay, you will lead efforts to optimize traffic flow, improve system performance, and support scalable and secure network operations. You will apply your expertise in networking, traffic management, Kubernetes, cyber security, caching, and Points of Presence (PoP) optimization to develop high-performance solutions. You will work with cross-functional teams, mentor junior engineers, and contribute to technical innovation, including open-source projects and patent creation. This is a full-time role with opportunities for professional growth and access to modern tools and technologies.

What You Will Accomplish

• Lead the design, development, and maintenance of solutions that manage network traffic efficiently and support scalable network operations.
• Improve network performance through caching strategies and Points of Presence (PoP) optimization.
• Develop robust, high-performance applications using C/C++ and Go.
• Deploy and manage scalable systems using Kubernetes.
• Strengthen network security and observability by implementing measures that protect infrastructure and monitor system health.
• Collaborate with cross-functional teams to integrate networking solutions and mentor junior engineers.
• Contribute to technical innovation through open-source projects and opportunities to develop patented technologies.

What You Will Bring

• 8+ years of experience in networking, traffic management, cyber security, or related areas.
• Proficiency in C/C++ and Go, with experience in low-level Linux networking, Kubernetes, caching strategies, and distributed systems.
• Experience with Envoy for traffic management is preferred.
• Strong problem-solving, analytical, and technical leadership skills, including experience working in large-scale environments.
• A Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent experience.
• Experience contributing to open-source projects, working with Agile methodologies, or creating patents is valued, as are relevant certifications.
• Familiarity with Java or other frameworks is also beneficial.

Additional Details

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 [e-mail]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.

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