Lead Backend Engineer, V-Assist Platform

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.

Information About the Position

V‑Assist is Vinted’s internal AI assistant designed to reduce operational overhead by making it easy to find information, navigate systems, and handle routine tasks. Following a successful beta with over 1,000 users, V‑Assist is now evolving into a core AI platform for engineering productivity, data discoverability, and back‑office self‑service. We are forming a dedicated team within the Data Infrastructure domain and hiring Senior and Lead Backend Engineers to drive this and help us scale V‑Assist’s impact across every corner of Vinted.

In This Position, You’ll

• Lead the design of V‑Assist’s core agent framework
• Design and implement secure, auditable agentic workflows with impersonation controls
• Optimize indexing pipelines to ensure the LLM always has the most relevant and up‑to‑date context from across the company
• Partner with Staff Engineers and stakeholders across Engineering, Product, Design and DSA to turn high‑level visions into executable technical roadmaps
• Develop a multi‑agent workspace where humans and AI work together to solve complex, cross‑domain problems
• Design self‑improvement loops using feedback to continuously refine the platform’s accuracy and performance
• Mentor IC2 and IC3 engineers, conducting high‑impact code reviews and ensuring high engineering quality across the team

About You

• Deep proficiency in Python, Ruby or Go, with a strong grasp of distributed systems and concurrency
• Proven track record of building and scaling complex backend systems in high‑ambiguity environments
• Pragmatic architect who balances long‑term stability with the need to take "smart" technical debt to move fast
• Familiar with GenAI and RAG, and excited about the challenge of applying these technologies safely at an enterprise scale
• Strong communicator who can lead technical discussions and drive alignment across the team and broader organization
• Supportive mentor who takes pride in sharing knowledge and helping other engineers grow

Work Perks

• The opportunity to benefit from our share options programme
• 25 days of paid annual leave
• Newest MacBook models
• Digital mental and emotional health support and Employee Assistant Program (EAP)
• Frequent team‑building events
• Home office support: we provide IT workstation equipment and a personal budget of up to €540 for home workplace furniture
• A daily lunch allowance
• ClassPass (Gym Membership subsidy)
• Pension plan with a total contribution of 12% (8% by the Company and 4% by employee)
• A personal monthly budget for shopping on Vinted
• An NS mobility card
• 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

Working at Vinted

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.

Salary

The annual gross salary range for this position is: €85.900—€116.200 EUR

The gross monthly salary range for this position is: €7.158—€9.683 EUR