Senior Backend Engineer, Marketplace Payments

Location: Vilnius, Lithuania

Department: Greenhouse Requisitions

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 own the critical lifecycle of a user’s financial journey. This means architecting the systems that power a user’s first sale and balance activation, ensuring seamless payment account creation across multiple PSPs. You will navigate the complexities of KYC/KYB and identity verification within an environment of ever-changing regulatory requirements. You and the team will drive the high-stakes execution of user migrations between different PSPs and payment licenses, all while maintaining the scalable, resilient core platform that ensures smooth payment account lifecycle for the entire 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 5-8 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 Claude Code, Cursor, GitHub Copilot 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. With deployments many times per day. 
• Work with diverse tech stack, including: languages: Ruby; infrastructure: AWS and on-premise; 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: You have solid backend engineering skills, familiarity with Ruby is beneficial but not required, and you balance immediate needs with long-term stability in your strategic decisions.
• 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.
• Holistic and Systematic Thinker: You have a deep understanding and experience of building the complex systems and can strategically navigate how different components interact.
• 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.
• Proactive Innovator: You identify opportunities for innovation and efficiency, leveraging new technologies to enhance capabilities.

Work perks 

• The opportunity to benefit from our share options programme
• 25 working days of holiday
• Access to all the tools & tech needed for work
• Home office support: we provide IT workstation equipment and a personal budget of up to €540 for home workplace furniture
• Private health insurance
• Digital mental and emotional health support and Employee Assistant Program (EAP)
• Frequent team-building events
• A personal monthly budget for shopping on Vinted
• The opportunity to spend up to 90 days per year - 21 of which can be spent working outside of the EU - on workation
• A dog-friendly office
• In Vilnius office: Gym & in-house meals at friendly prices
• In 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 salary range for this position is € 4,975 - € 6,725 gross per month.