Senior Backend Engineer

Brief Info About Vinted Our mission is to make second-hand the first choice, and we're looking for people who want to help us get there. Every day, we work together to help our members buy and sell pre-loved clothing and lifestyle items, giving each piece a second life – or even a third. The Vinted Group is made up of three business units that support this mission: Vinted Marketplace is Europe’s leading platform for second-hand fashion and a go-to destination for all kinds of pre-loved items, with a growing range of categories. Our platform connects millions of members across 20+ markets, helping great items find a new life. Vinted Go enhances the shipping experience with a vast network of over 500,000 pick-up and drop-off points, partnering with more than 60 carriers across Europe, with added services like item verification for peace of mind on high-value pieces. Vinted Pay is the newest part of the Vinted Group, dedicated to bringing secure, reliable payments to buyers and sellers across Europe. Seamlessly integrated into the Vinted app, it helps keep every transaction safe, efficient, and easy for our members. Founded in 2008 in Lithuania, Vinted began as a way for friends to find new homes for clothes they no longer needed. In 2019, we became Lithuania's first unicorn! Today, our headquarters remain in Vilnius, and we've grown with offices across Europe, supported by a team of over 2,000 people. Information About The Position We're searching for a Senior Backend Engineer to join one of our engineering teams in the Marketplace Payments domain. Our goal is to build secure & reliable payments solutions for all Vinted buyers and sellers. You'll collaborate with experienced colleagues to build and maintain the complex, scalable and resilient core payments platform and payment capabilities, to ensure smooth money movement, ledger functions and report integrations to support business logic and delivery of high integrity commitments to the whole Vinted Marketplace. This is a fast-paced environment at the beginning of our journey, so we embrace uncertainty. We're constantly building new services and evolving existing ones, with experimentation being a key. We balance the "fail fast" principle to avoid analysis-paralysis, but we also take the time to understand the benefits of different alternatives before diving in. We're not afraid to make mistakes. We learn from them. In this position, you’ll Work in a team of 4-6 engineers, engineering manager, product manager and decision scientist. Apply Agile and Lean principles in your work. We don't rigidly adhere to a single framework. We view Scrum, Kanban, and other methodologies as tools, selecting the most beneficial one for the team to achieve its goals. Collaborate with other developers through GitHub pull requests and code reviews. Our pull requests move fast: time to first review is up to 5 min, average pull request cycle time (from open to merge) is up to 2 hours. Use AI tools such as Cursor, GitHub Copilot, Claude Code and others to improve your code. See your code to affect millions of users almost instantly. Our main branch gets rolled out straight to production on each merge. We deploy many times per day. Work with diverse tech stack, including: languages: Ruby; cloud infrastructure: AWS; databases/storage: MySQL, Elasticsearch, Redis; workflow orchestration: Temporal; monitoring/observability: Prometheus, Grafana. We don't expect you to be familiar with all of them beforehand, but we expect you will be excited to learn them fast. Write unit tests for all of the code you write and contribute to integration and e2e test writing and its usage. Take ownership of critical alerts and business metrics for your team to ensure our services achieve 99.99% availability. You will participate in on-call rotations to ensure our product performs well. About You Continuous and Passionate Learner: You're eager to master new technologies and concepts, driven by a strong passion for technology and a "can-do" attitude, always ready to embrace new challenges and grow as a specialist. Pragmatic Problem Solver: You think practically, choosing the best solutions while avoiding over-engineering. Your love for fixing things is driven by a deep desire to understand how they work. Backend Expert with Strategic Decision-Making: You have solid backend engineering skills, particularly in Ruby and/or Go being an advantage, and you balance immediate needs with long-term stability in your strategic decisions. Proactive Innovator: You identify opportunities for innovation and efficiency, leveraging new technologies to enhance capabilities. Mentor and Knowledge Sharer: Your mentorship leaves a lasting impact, empowering others to excel and grow by sharing deep technical insights and fostering a culture of knowledge exchange. Collaborative and Communicative Team Player: You prioritize collective success, actively deepening your expertise, sharing knowledge, and upholding best engineering practices. Strong communication skills enable you to collaborate effectively with cross-domain teams and non-technical stakeholders. Work perks The opportunity to benefit from our share options programme25 working days of holidayAccess to all the tools & tech needed for workHome office support: we provide IT workstation equipment and a personal budget of up to €540 for home workplace furniturePrivate health insuranceMental and emotional health support through the Mindletic appFrequent team-building eventsA personal monthly budget for shopping on VintedThe opportunity to spend up to 90 days per year - 21 of which can be spent working outside of the EU - on workationA dog-friendly officeIn Vilnius office: Gym & in-house meals at friendly pricesIn Kaunas office: a monthly lunch allowance, and a once-a-week provided in-house lunch and breakfast Working at Vinted Individual Learning Budget We invest in your professional growth! As part of our commitment to continuous learning, we offer an annual learning budget to support your personal and career development through courses, certifications, workshops and more. Hybrid Work We’ve adopted a hybrid workplace model where 2 days in the office are recommended but not enforced. It’s up to you and your team to decide on the exact days you’ll spend working together in person. Equal Opportunity The Vinted Group is committed to building an inclusive workplace where people from all walks of life feel a sense of belonging. We welcome applications from people of all backgrounds, identities and life experiences. At Vinted, all applicants are treated fairly without regard to their race, age, religion or belief, sex, national origin, citizenship, gender identity, sexual orientation, disability, or any other protected characteristic. The gross monthly salary range for this position is: €4.975—€6.725 EUR