MariaDB.org

MariaDB.org

MariaDB.org is the force behind MariaDB, the leading open-source database known for its performance and stability. The company, through the MariaDB Foundation, ensures the continuous growth and support of the MariaDB ecosystem.

Internet Software & Services
11-50
Founded 2012

Description

  • Design, build, and maintain analytical pipelines and reporting solutions on BigQuery and MariaDB.
  • Write sophisticated, performant SQL to extract insights from large-scale datasets.
  • Develop internal tooling and automation using Python, FastAPI, and modern frameworks.
  • Use AI-powered development tools and AI/ML features to accelerate analytics workflows and improve outputs.
  • Communicate findings clearly to technical and non-technical stakeholders and translate data into action.
  • Document data architecture, lineage, and how information flows across systems.
  • Collaborate on business process analysis and data-driven process design improvements.
  • Proactively identify opportunities for deeper analysis, better tooling, and operational improvements.
  • Own work end-to-end, from defining questions through delivering analysis and presenting results.

Requirements

  • 7+ years of professional experience in data analytics engineering, data engineering, or a related field.
  • Expert-level SQL with strong command of joins, window functions, and CTEs.
  • BigQuery and MariaDB experience strongly preferred.
  • Strong Python and/or JavaScript skills for building pipelines, internal tools, APIs, and automation.
  • Experience building data-facing web applications and internal dashboards with JavaScript.
  • Deep understanding of data architecture, including database structure, data flows, and schema evolution.
  • Hands-on experience with AI/ML, including LLMs, generative AI, and embeddings.
  • Proficiency with AI-powered development tools such as Windsurf, Gemini, Claude, Cursor, or similar.
  • Excellent communication skills with the ability to explain complex analysis clearly.
  • Self-sufficient, self-managing, and able to own work end-to-end.
  • Ambitious and committed to continuous learning and improvement.
  • Public GitHub profile with examples of your work, including personal projects, contributions, or experiments.
  • FastAPI experience for building internal APIs and services (nice to have).
  • Background in business process design or operational analytics (nice to have).
  • Exposure to multiple business departments such as Finance, Marketing, Sales, Operations, or Engineering (nice to have).
  • Understanding of Docker and Kubernetes (nice to have).
  • Location in Bulgaria, preferably hybrid in Sofia.
  • Minimal travel as required for the job.

Benefits

  • Very competitive compensation package.
  • 25 days paid annual leave plus holidays.
  • A high degree of flexibility and freedom.
  • Opportunity to work with high-caliber colleagues around the world.
  • Strong learning and growth opportunities.
  • Equal opportunity, welcoming, and inclusive workplace.
  • Accommodations available for individuals with disabilities during the application and interview process.
  • No work visa sponsorship or relocation support.

Interested in this position?

Apply directly on the company website

Apply Now

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