Senior Decision Scientist, Frontend Technologies

VintedAmsterdamHybridFull-time11 Sept 2026

Vinted is seeking a Senior Decision Scientist to join the central data team within the Frontend Technologies domain in Amsterdam. The role focuses on estimating business impact of frontend architectural changes, analyzing trade-offs, and grounding platform strategy in evidence-based insights. Requires experience in decision science, product analytics, or business intelligence, with strong SQL and Python (or R) skills.

What you'll do

Enable Data-Driven Platform Decisions: Drive the definition, implementation, and tracking of key technical and behavioral metrics that define frontend success.
Bridge Technical & Business Metrics: Turn highly technical questions into structured insights.
Proactive Co-creation in Discovery: Partner with engineering and design leaders during the discovery phase to evaluate opportunity sizes, establish baseline metrics, and ensure no major architectural shifts are launched without clear decision criteria.
Support Experimentation: Help design, monitor, and analyze A/B tests to evaluate the cumulative impact of platform optimizations and refactoring.
Collaborate within DSA: Engage with the broader Vinted Data Science & Analytics community to share methodologies, standardise tooling, and scale our decision science standards.

What you need

Must-have

SQLPythonRGitA/B testingStatistical methodsAnalytical framing

Nice-to-have

dbt

Soft skills

CommunicationStorytellingPragmaticProactiveCuriosityCollaboration

Decision ScienceProduct AnalyticsFrontend TechnologiesData ScienceSQLPythonA/B TestingSoftware DevelopmentAmsterdamSenior

/What you'll do

/What you need

Must-have

Nice-to-have

Soft skills

What you'll do

What you need