Decision Scientist, Account Verification

Vinted; Amsterdam; Hybrid; EUR 54,000 - 73,000; Full time

Benefits offered by this job

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25 days annual leave

Newest MacBook models

EAP for you and your family

Frequent team-building events

Home office budget €540 for furniture

Lunch benefit per day

Company bike leasing

Monthly budget for flexible benefits

Work from Home allowance

Personal shopping budget

Job summary

Vinted in Amsterdam is seeking a Decision Scientist to influence millions of members by building a safe, trustworthy marketplace. You will join Account Verification within Security, using data to shape product direction and balance security with user friction.

You’ll partner with product managers, engineers, and designers, define tracking, run experiments, and maintain Looker dashboards to empower stakeholders. Fluency in English is essential, and prior Trust & Safety experience is a plus.

Qualifications

• Experience in a Decision Science or Data Analytics role.
• Strong analytical thinking with business impact.
• Proficient in SQL and Python or R for data analysis.
• Hands-on with BI tools like Looker, Tableau, or Power BI.
• Knowledge of statistical methods including A/B testing and regression.
• Excellent communication of results to technical and non-technical audiences.

Responsibilities

• Provide data-informed decision support with product teams.
• Balance security controls and user experience through analysis.
• Design and evaluate A/B tests to measure impact.
• Define and monitor KPIs for Account Verification.
• Develop self-service Looker dashboards for stakeholders.
• Contribute to Vinted's Data Science & Analytics community.

Skills

Decision Science

Analytical Thinking

SQL

Python

R

BI Tools

Statistics

English Fluency

Trust & Safety

Tools

Looker

Tableau

Power BI

Job description

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