Senior Backend Engineer to join the Pre-order Shipping team at Vinted in Kaunas, Lithuania. The Purchase domain guides members from initial intent to successful purchase, delivering checkout, payment, shipping, and messaging capabilities. You will help evolve our platform by extracting functionality from the monolith into standalone services using Ruby. You will contribute to continuously tested and deployed applications by adding tests, implementing feature flags, and setting up A/B tests for new features. You will participate in an on-call rotation to support critical systems and maintain service reliability, focusing on root-cause analysis and post-mortems. You will monitor deployed code with Kibana, Grafana, and Datadog. You will apply Agile and Lean principles and collaborate with other developers through GitHub pull requests and code reviews. You will see your code affect millions of users as master branches roll out to production on each merge. You will own SLIs/SLOs in the product team to ensure quality and reliability. You will partner across teams to prioritize and align roadmaps and deliver results. You will drive complex initiatives end-to-end, proactively identifying architectural bottlenecks or process inefficiencies before they impact the business. You will mentor others by sharing knowledge and giving feedback to help your peers grow. You are a strong communicator in English, capable of working independently as well as in a team, and you can engage in constructive, respectful debate while maintaining professionalism. Experience: solid backend engineering exp

Senior Backend Engineer to join the Pre-order Shipping team at Vinted in Kaunas, Lithuania. The Purchase domain guides members from initial intent to successful purchase, delivering checkout, payment, shipping, and messaging capabilities. You will help evolve our platform by extracting functionality from the monolith into standalone services using Ruby. You will contribute to continuously tested and deployed applications by adding tests, implementing feature flags, and setting up A/B tests for new features. You will participate in an on-call rotation to support critical systems and maintain service reliability, focusing on root-cause analysis and post-mortems. You will monitor deployed code with Kibana, Grafana, and Datadog. You will apply Agile and Lean principles and collaborate with other developers through GitHub pull requests and code reviews. You will see your code affect millions of users as master branches roll out to production on each merge. You will own SLIs/SLOs in the product team to ensure quality and reliability. You will partner across teams to prioritize and align roadmaps and deliver results. You will drive complex initiatives end-to-end, proactively identifying architectural bottlenecks or process inefficiencies before they impact the business. You will mentor others by sharing knowledge and giving feedback to help your peers grow. You are a strong communicator in English, capable of working independently as well as in a team, and you can engage in constructive, respectful debate while maintaining professionalism. Experience: solid backend engineering exp