Software Engineer - Traffic

eBay; Dublin; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary and benefits

Mentorship and growth opportunities

Exposure to modern tooling and large‑‑

Team collaboration

Job summary

eBay, a global ecommerce leader, seeks a Software Engineer – Traffic to design, build, and operate traffic management systems that support availability, performance, and security across its large-scale platforms.

You will work on high-performance, low-latency architectures, including Kubernetes, collaborating with SRE, platform, and application teams, with opportunities to use modern tooling and engage in large distributed systems.

Qualifications

• Master’s degree in Computer Science, Engineering, or related field (or equivalent).
• 2+ years in networking/traffic engineering, platform, infrastructure, or related work.
• Proficiency in Java, C++, or Go with knowledge of data structures, concurrency, debugging.
• Understanding of TCP/IP, HTTP/HTTPS, DNS, load balancing, TLS.
• Experience with Kubernetes, containers (Docker), and service-to-service networking.
• Familiarity with Envoy, NGINX, or HAProxy and observability tools (Prometheus, Grafana, ELK, OpenTelemetry).
• Experience with performance profiling, latency reduction; exposure to PoP/edge concepts is beneficial.

Responsibilities

• Design, build, and maintain traffic management services and tools (Java/C++/Go).
• Improve network security via secure service communication and routing controls.
• Deploy, operate, and troubleshoot services on Kubernetes across distributed environments.
• Improve latency and throughput through efficient architecture and profiling.
• Use logs, metrics, and traces for root-cause analysis and reliability improvements.
• Collaborate with SRE, platform, and application teams to integrate solutions safely.
• Gain exposure to modern infrastructure and large-scale systems with mentorship.

Skills

Java

C++

Go

Education

Master’s degree in Computer Science or related field

Bachelor’s degree + 2+ years of relevant experience

Tools

Kubernetes

Docker

Envoy

NGINX

HAProxy

Prometheus

Grafana

ELK

OpenTelemetry

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.

Software Engineer – Traffic

About The Team And The Role

As a Software Engineer – Traffic at eBay, you will help design, build, and operate traffic management and routing systems that support the availability, performance, and security of eBay’s large-scale commerce platforms.

You will work on high-performance, low-latency architectures and modern infrastructure, including Kubernetes, to support reliable services at scale. The role involves close collaboration with SRE, platform, and application teams and provides opportunities to work with modern tooling, large-scale distributed systems, and experienced engineering teams.

What You Will Accomplish

• Design, build, and maintain services and tools that manage and optimize traffic flow using Java, C++, or Go.
• Improve network security by implementing secure service communication, routing controls, hardening, and policy enforcement.
• Deploy, operate, and troubleshoot services running on Kubernetes across distributed environments.
• Improve system latency and throughput through efficient architecture, profiling, benchmarking, and performance tuning.
• Use logs, metrics, and traces to diagnose production issues, perform root-cause analysis, and deliver reliability improvements.
• Partner with SRE, platform, and application teams to integrate traffic and networking solutions safely and effectively.
• Build experience with modern infrastructure, large-scale systems, and traffic engineering while benefiting from mentorship and growth opportunities.

What You Will Bring

• A Master’s degree or equivalent experience in Computer Science, Engineering, or a related field; or a Bachelor’s degree or equivalent experience plus 2+ years of relevant experience in networking/traffic engineering, platform, infrastructure, or related work.
• Proficiency in Java, C++, or Go, including knowledge of data structures, concurrency fundamentals, and debugging.
• Understanding of networking fundamentals, including TCP/IP, HTTP/HTTPS, DNS, load balancing, and TLS.
• Understanding of Linux and distributed systems fundamentals.
• Experience with Kubernetes, containers such as Docker, and service-to-service networking.
• Familiarity with technologies such as Envoy, NGINX, or HAProxy and observability tools such as Prometheus, Grafana, ELK, or OpenTelemetry.
• Experience with performance profiling, benchmarking, or latency reduction; exposure to point-of-presence (PoP), edge, or global traffic-steering concepts is beneficial.

Benefits

• Competitive salary and benefits.
• Mentorship and growth opportunities.
• Exposure to modern tooling and large-scale systems.

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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