.Company DescriptionEtsy is the global marketplace for unique and creative goods. We build, power, and evolve the tools and technologies that connect millions of entrepreneurs with millions of buyers around the world. As an Etsy Inc. employee - whether a team member of Etsy, Reverb, Depop, or Elo7 - you'll tackle unique, meaningful, and large-scale problems alongside passionate coworkers, all the while making a rewarding impact and Keeping Commerce Human.**Job Description**:**What's the role?**We are looking for a Sr. Software Engineer to join the Recommendations team in order to better understand Etsy's unique inventory and enable personalized recommendations and ranked content for product teams across Etsy.Our aim is to present recommendations of the best of Etsy's inventory. As an engineer on our team, you will play a major role in improving the shopping experience for millions of Etsy buyers. We're a cross-functional group of engineers, data scientists, product managers, designers, and researchers.**What's this team like at Etsy?**With your help, we are giving our buyers better tools to find what they are looking for and to help them form a connection with our sellers. In this role, you will put your skills to use by helping us improve the ranking and suggestions of localized results through machine learning systems. You will join a talented team of engineers to collaborate on all of these projects.Here's a taste of the problems we're solving:- How can we help someone find that perfect item, even when they don't know what they're looking for?- How can the recommendations experience make Etsy come to life and feel as vibrant as the community of makers that's behind it?- How can we understand buyers' motives and interests to personalize their experience?- How can we help buyers to explore the breadth of Etsy's inventory?Our production systems rely on PHP, JavaScript, Scala, Java, and Python; we are proud to have anengineering culture that encourages career growth and learning. You can learn more about our philosophies, tools, and some of the challenges we've been solving on our Engineering blog, Code as Craft.**What does the day-to-day look like?**- Build solutions to help buyers discover items for their personalized shopping missions.- Launch experiments to validate product improvements.- Collaborate with product managers, product designers, analysts, and other full-stack engineers to deliver optimal content to tens of millions of users.- Work closely with our many Product squads and our Data Platform and ML Infrastructure teams.- Continually look for ways to improve the code base you're working in.- Provide detailed and constructive design and code reviews.- We value empathy, communication, and technical skills equally