Senior Backend Software Engineer

Ebay | Amsterdam

Date listed

4 weeks ago

Employment Type

Full time



Total Funding

$6.7 million

Glassdoor Rating

3/5 (2900 reviews)

eBay Inc. is a global commerce leader that connects millions of buyers and sellers around the world. We exist to enable economic opportunity for individuals, entrepreneurs, businesses and organizations of all sizes. eBay Marketplaces operates in 190 markets around the world.

Like to shake things up? We do! eBay hires innovators who can push boundaries and change the world. Design, develop and implement testing practices to develop, apply and maintain high quality standards for company products. Think globally and help eBay be on the leading edge with new products, including cloud-based or internet-related tools.

Advertising is a fast growing, high priority area at eBay. The team builds and manages mission critical systems at a scale and complexity that is unique. eBay’s ad products serve 190 million buyers worldwide, and deal with 50 Billion daily events across various stacks. We’re crafting innovative ad-tech solutions to optimise the ad monetization and experience on eBay. Our goal is to build a valuable experience for our customers, while also driving performance for advertisers. To that end, we are innovating rapidly in the ad-tech space and there is no shortage of new challenges for motivated individuals.

Read about some of our products and recent work here:

We are looking for a senior engineer/architect to lead building complex, large scale services that run machine learning models. This is a great opportunity to build the foundation of a mission critical area from grounds up.

Primary Responsibilities

You must be very familiar with and an advocate of common Agile practices:

  • Designing elegant technical solutions to customer problems

  • Design new experiences for eBay sellers and advertisers to promote their products, manage their advertising campaigns, and improve their sales

  • Proficient in Test Driven Development, clean code, software craftsmanship

  • Build highly available, scalable user facing applications and RESTful Public APIs

  • Develop systems using Java, Scala, Node.js

  • Learn new external and internal technologies as the need/opportunity arises

  • Operate within our internal open source community where we share a variety of projects and codebases

  • Build, test, and deploy your code in a continuous manner

  • Execute as part of a cross-functional Agile team that rapidly delivers iterative value to customers

  • Contribute to technical conversations and debates, and decide upon approaches and tools to utilize

  • Lead by example and share knowledge with the team

You will also be expected to:

  • Integrate closely w/ colleagues in different functional groups and remote offices

  • Promote a culture of "internal open source" where teams can contribute to each other's code bases regardless of organizational boundaries

  • Enjoy being part of a team of motivated, collaborative, high-achievers

  • Communicate effectively within your team and across teams.

  • Identify project risks, quantify risk/benefit relationships and provide alternative solutions as well as risk mitigation

Job Requirements:

  • BS/BA in Computer Science or related field plus 9 years work experience or MS with 7 years of relevant experience

  • Strong Experience with JVM languages (Java, Kotlin, Scala), Hadoop

  • Experience in building large scale Web Services and Backend Applications using Java/J2EE, RESTful Web Services, HTTP and JSON technologies

  • Experience with big data technologies like Hadoop, Kafka and Spark

  • Experience building back end systems that run Machine Learning based services

  • Deep understanding of design patterns, and experience working in a layered architecture

  • Mentor junior engineers

  • Knowledge of core CS concepts such as common data structures and algorithms

  • Experience in interacting with external partners and architecting the systems

  • Experience with modern DevOps principles and continuous delivery

  • Strong work ethic - someone who takes great pride in professionalism, responsibility, and being proactive

  • A positive can-do attitude with a strong desire to succeed

  • Excellent written and verbal communication skills

  • Code samples from private github repos, side projects, and open source project contributions is a plus

What do we offer?

  • A comprehensive field of responsibility
  • Dynamic team with exciting personalities, passion for e-commerce, professionalism, and a good sense of humour
  • International career opportunities throughout eBay Inc.
  • An excellent working environment with flat hierarchies and lots of flexibility
  • A competitive compensation model


Benefits are an essential part of your total compensation for the work you do every day. Whether you’re single, in a growing family, or nearing retirement, eBay offers a variety of comprehensive and competitive benefit programs to meet your needs. Including maternal & paternal leave, paid sabbatical, and plans to help ensure your financial security today and in the years ahead because we know feeling financially secure during your working years and through retirement is important.

Here at eBay, we love creating opportunities for others by connecting people from widely diverse backgrounds, perspectives, and geographies. So, being diverse and inclusive isn’t just something we strive for, it is who we are, and part of what we do each and every single day. We want to ensure that as an employee, you feel eBay is a place where, no matter who you are, you feel safe, included, and that you have the opportunity to bring your unique self to work. To learn about eBay’s Diversity & Inclusion click here:


#SO #standard


eBay Inc. 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 are unable to submit an application because of incompatible assistive technology or a disability, please contact us at [email protected]. We will make every effort to respond to your request for disability assistance as soon as possible.

For more information see: EEO is the Law Poster and EEO is the Law Poster Supplement

This website uses cookies to enhance your experience. By continuing to browse the site, you agree to our use of cookies

View our privacy policy and accessibility info

Findwork Copyright © 2021


Let's simplify your job search. Receive your tailored set of opportunities today.

Subscribe to our Jobs