Senior Data Scientist
MariaDB plc
| Company | MariaDB plc |
| Category | Data & Analytics |
| Location | Remote -- Romania |
| Remote | Remote |
| Employment | Not stated |
| Level | Senior |
| Salary | Not stated by the employer |
| Posted | 1 Apr 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (greenhouse) |
Description
MariaDB is making a big impact on the world. Whether you’re checking your bank account, buying a coffee, shopping online, making a phone call, listening to music, taking out a loan or ordering takeout – MariaDB is the backbone of applications used everyday. Companies small and large, including 75% of the Fortune 500, run MariaDB, touching the lives of billions of people. With massive reach through Linux distributions, enterprise deployments and public clouds, MariaDB is uniquely positioned as the leading database for modern application development.
About the Role
We're hiring a Senior Data Scientist with strong programming skills, a deep command of analytical methods, and the ability to turn complex data into clear business insights. You'll join a small, highly skilled team where your work has a direct impact on how the business operates and makes decisions.
This is a hands-on, high-autonomy role. You'll work across the full data stack-writing sophisticated SQL in BigQuery and MariaDB , building automation and tooling in Python , and leveraging AI-powered tools like Windsurf, Gemini, and Claude to work faster and smarter. You'll be expected to understand how data is structured end-to-end, from source systems through to the warehouse, and to know which analytical approach fits which business question.
You'll also be a key communicator-translating complex data into clear narratives for stakeholders across the organization. We need someone who can operate independently, manage their own priorities, and continuously raise the bar on what's possible with our data. If you have a genuine passion for analytics, a GitHub full of projects, and you're the kind of person who's always learning the next thing-we'd love to hear from you.
Key Responsibilities
Apply the right analytical methods-statistical analysis, regression, clustering, forecasting, classification-to solve real business problems at scale
Design and build end-to-end analytical solutions-from data extraction in BigQuery and MariaDB to actionable insights and automated reporting
Develop and maintain data pipelines, analytical frameworks, and tooling using Python and SQL
Use AI-powered development tools (Windsurf, Gemini, Claude, Cursor) to accelerate experimentation, code generation, and analysis
Leverage the latest AI features and tools (LLMs, embeddings, generative AI) to augment and automate analytical workflows
Build lightweight applications and APIs (FastAPI) to put models and insights into the hands of stakeholders
Own the data architecture decisions within your domain-schema design, data modeling, and pipeline reliability
Communicate results, trade-offs, and recommendations clearly to both technical and business audiences
Map and improve business processes through data-driven analysis and process design
Requirements & Qualifications
7+ years of professional experience in data science, advanced analytics, or a quantitative field
Expert-level SQL - deep fluency in BigQuery and MariaDB or similar data platforms; you understand query optimization, partitioning, and data modeling
Strong Python and/or JavaScript skills - production-quality code, not just notebooks; experience with modern data and ML libraries
Deep understanding of analytical methods - regression, clustering, time series, A/B testing, classification; you know when to apply what and why
Solid understanding of data architecture - how warehouses, lakes, and pipelines are designed; how to structure data for both analytical and ML workloads
Proficiency with AI-powered development tools - Windsurf, Gemini, Claude, Cursor, or similar; you leverage AI assistants as a core part of your workflow
Excellent communication skills - you present complex technical work in a way that drives decisions
Self-managing and self-sufficient - you set your own priorities, unblock yourself, and deliver without hand-holding
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