Lead Backend Engineer for the Marketplace Payments domain at Vinted. You will own the critical lifecycle of a user’s financial journey, architecting systems that power payment account creation across multiple PSPs, and navigating KYC/KYB alongside evolving regulatory requirements. You and your team will drive migrations between payment licenses while maintaining a scalable, resilient core platform to support millions of users. You will work in a team of 5–8 engineers, plus an engineering manager, product manager, and decision scientist. We apply Agile and Lean principles, using Scrum or Kanban as appropriate to achieve goals. You will collaborate with peers through GitHub pull requests and code reviews, enjoying fast feedback with time to first review under a few minutes and quick cycle times. You’ll leverage AI tools like Cursor, Claude Code, and GitHub Copilot to improve code quality. You’ll see your code deployed to production frequently, with the main branch rolled out on each merge and deployments occurring multiple times per day. The tech stack includes Ruby (preferred but not required), AWS and on‑premise infrastructure, MySQL, Elasticsearch, Redis, Temporal, Prometheus, and Grafana. You will write unit tests and contribute to integration and end-to-end testing, and you will own critical alerts and business metrics to ensure 99.99% availability. You’ll participate in on-call rotations to keep services performing well. About you: you’re a continuous learner, pragmatic problem solver, and collaborative teammate with strong communication skills and a holistic, systems-t

Lead Backend Engineer for the Marketplace Payments domain at Vinted. You will own the critical lifecycle of a user’s financial journey, architecting systems that power payment account creation across multiple PSPs, and navigating KYC/KYB alongside evolving regulatory requirements. You and your team will drive migrations between payment licenses while maintaining a scalable, resilient core platform to support millions of users. You will work in a team of 5–8 engineers, plus an engineering manager, product manager, and decision scientist. We apply Agile and Lean principles, using Scrum or Kanban as appropriate to achieve goals. You will collaborate with peers through GitHub pull requests and code reviews, enjoying fast feedback with time to first review under a few minutes and quick cycle times. You’ll leverage AI tools like Cursor, Claude Code, and GitHub Copilot to improve code quality. You’ll see your code deployed to production frequently, with the main branch rolled out on each merge and deployments occurring multiple times per day. The tech stack includes Ruby (preferred but not required), AWS and on‑premise infrastructure, MySQL, Elasticsearch, Redis, Temporal, Prometheus, and Grafana. You will write unit tests and contribute to integration and end-to-end testing, and you will own critical alerts and business metrics to ensure 99.99% availability. You’ll participate in on-call rotations to keep services performing well. About you: you’re a continuous learner, pragmatic problem solver, and collaborative teammate with strong communication skills and a holistic, systems-t