Backend Developer (Go)

Do you want to work as a senior backend engineer with a passionate team on a Go-based microservices ad-delivery platform for one of the biggest classifieds organizations in the world?

If you are a good developer with affinity in Go and High Performance Services, come work for us! You won't regret it :-)

We expect from you

• Experience (or a deep interest) in Go

• BS/BA level of thinking and cooperation

• Experience in a distributed, scalable, high-throughput and highly available systems

• Experience with server principles, API, Data storage/Databases and internals

• 4+ years’ experience in software engineering

• Being able to cooperate closely within your own team and with other teams

• A can-do attitude (sarcasm is allowed) and drive to solve problems for our partners and customers

• Share release management duties during feature rollouts, and debug (production) issues

What we can offer

• Driven and passionate colleagues

• Technical and personal growth opportunities

• Office in Amsterdam, close to Amstel Station

• An agile and evolving development process focused on efficiently delivering value

• An English-speaking environment

About us

eBay Classifieds Group is an innovative leader in online classifieds, with twelve brands that span the Globe. The First Party Advertising technology team (iCAS) is looking for a Go-developer to strengthen the team. We are building an internally used advertising engine combined with seller tools, to deliver shopping listings to the multiple platforms we have within the eBay Classifieds Group. some of our complexities is the high traffic and volume demand, high uptime, managing click-fraud and optimizing the listings being shown

Your role in the team is to further improve the way we connect our buyers with our sellers through either better tools for our sellers, or better relevance and ranking of the results towards the buyer. We do this through a technology stack comprised of multiple (micro)services written in Go, backed by MySQL/Cassandra/Kafka/Redis/Hadoop/Clickhouse. This stack is run through Docker/Nomad/Consul/Fabio on the eCG private cloud, and we are handling dev-ops activities such as deployment (Github, Jenkins), uptime (lot's of 9s), monitoring (Prometheus, Pagerduty, Grafana) and maintenance as well.

Some numbers

• Up to 10K events per sec per service.

• System handling up to 150k impressions/clicks events.

• 115 nodes in a single search cluster with 4,294,926 documents.

• Serving the biggest classifieds sites in CA, NL and BE