Decision Scientist, Account Verification

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

As a Decision Scientist at Vinted, your work will have a tangible impact on millions of members, helping build a safe, trustworthy marketplace so people can buy and sell sustainably with confidence.

We are looking for a Decision Scientist to join our Account Verification team within the Security domain. You will join a cross-functional team dedicated to ensuring that accounts are protected from unauthorized access. From multi-factor authentication and biometrics to phone verification and account recovery, our goal is to make security industry-leading yet effortless.

This role is ideal for someone who enjoys problem-solving and is passionate about using data to drive meaningful and fast change. You will act as a strategic partner, leveraging data to challenge assumptions, quantify trade-offs (balancing security protection vs. user friction), and shape our product strategy.

In this position, you’ll

Drive Data-Informed Decisions: Partner with product manager, engineers, and designers to identify strategic opportunities, challenge default assumptions, and bring an evidence-based lens to product discovery.

Balance Security & Member Friction: Model and analyze the trade-offs between security controls and user experience.

Champion Rigorous Experimentation: Define tracking requirements, design A/B tests, and evaluate test results to validate the business impact of new verification methods and friction-reduction initiatives.

Own Team Metrics & Root-Cause Analysis: Define, monitor, and iterate on key performance indicators (KPIs) for Account Verification; proactively investigate metric anomalies and uncover root causes.

Empower Stakeholders: Build and maintain self-service Looker dashboards that enable stakeholders to independently track feature performance.

Make Data Count: Participate actively in Vinted’s broader Data Science & Analytics (DSA) community, promoting analytical best practices, metric rigor, and knowledge-sharing.

About you

Experience in a Decision Science or Data Analytics role.

Good analytical thinking and problem-solving skills, with the ability to balance depth of analysis with business impact.

Working experience with SQL and Python or R

Experience with BI tools (e.g., Looker, Tableau, Power BI)

Knowledge of statistical methods, such as A/B testing, regression analysis, and other inferential techniques.

Highly results-oriented and comfortable with iterative processes

Strong communicator who can convincingly present results to both technical and non-technical audiences

Fluent in English, both written and spoken

Advantage: experience working in the Trust & Safety or Fraud-related area.

Work perks

The opportunity to benefit from our share options programme

25 days of paid annual leave

Newest MacBook models

Confidential Employee Assistance Program (EAP) for you and your family

Frequent team-building events

Home office support: we provide IT workstation equipment and a personal budget of up to €540 for home workplace furniture

Lunch benefit per working day

Company bike leasing scheme

Monthly budget for a flexible benefits platform

Work from Home allowance

A personal monthly budget for shopping on Vinted

Collective Defined Contribution Pension plan

NS Business Card for your commute to the office by public transport

A dog-friendly office

Working at Vinted

Workation policy

Better balance holidays with workdays by working remotely! Up to 90 days per year in the EU, of these, 21 days can be spent globally. For non-EU citizens, it's 21 days worldwide. This can be combined with time off for vacation or personal time.

Individual learning budget

Each year, you’ll be given a learning budget (starting at €3,000), and a total of up to 10 working days over a 2-year period to support your personal and professional development.

Hybrid work

Our hybrid model, with 2 recommended office days a week, gives you and your team the flexibility to decide if and when you want to work from home, and when to catch up in person.

Equal opportunity

We welcome applications from everybody, regardless of your background, identity, or life experiences. Job openings come with guides, not checklists. If you’re excited about a role, but don’t identify with every point in the ‘About you’ section, apply anyway – you might still be the perfect match!

The annual gross salary range for this position excluding 8% holiday pay is:

€53.900—€72.900 EUR