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Lead Data Engineer (Platform)

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Valtech

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Location:
Bulgaria , Sofia

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

As a Lead Data Engineer (Platform), you are passionate about engineering excellence, developer experience, and scalable data platforms. You bring strong technical expertise, a product mindset for platform engineering, and a drive to simplify and accelerate how engineering teams deliver data solutions.

Job Responsibility:

  • Design, build, and maintain scalable data engineering frameworks and platform utilities used across engineering teams
  • Develop reusable patterns, templates, and abstractions to standardise and accelerate delivery
  • Define and evolve platform architecture decisions, ensuring scalability, maintainability and consistency
  • Design and implement CI/CD pipelines and automation frameworks to improve engineering velocity
  • Define and enforce engineering standards for testing, code quality, deployment and documentation
  • Identify and eliminate manual or repetitive processes through automation and tooling improvements
  • Integrate AI-assisted development tools into engineering workflows to improve productivity
  • Develop and maintain AI engineering assets such as coding guidelines, prompt frameworks and reusable agent configurations
  • Lead the development and operational support of core data transformation frameworks (including dbt Core at enterprise scale)
  • Investigate and resolve framework-level issues, including deployment failures, dependency conflicts and production incidents
  • Support onboarding and enablement of engineering teams adopting platform tooling
  • Act as the main technical point of contact for platform and framework-related queries
  • Partner with engineering teams to identify pain points and translate them into platform improvements
  • Ensure platform tooling meets security, compliance and operational requirements
  • Conduct and support code and design reviews across platform components
  • Monitor platform health, performance and adoption, iterating based on feedback and metrics
  • Contribute to documentation, developer guides and enablement materials to improve usability and adoption

Requirements:

  • Strong proficiency in Python for building frameworks, automation tooling and reusable components
  • Hands-on experience with Databricks (including notebooks, workflows, jobs and Unity Catalog)
  • Strong SQL skills and experience with distributed processing frameworks such as Apache Spark
  • Deep experience with dbt Core, including project structure, models, tests, macros and deployment at scale
  • Proven experience designing and maintaining CI/CD pipelines (e.g. GitHub Actions, Azure DevOps or GitLab CI)
  • Experience with data engineering platform design, including scalable pipeline and workflow architectures
  • Strong understanding of software engineering principles (DRY, SOLID, modular design)
  • Experience working with version control systems and modern Git workflows
  • Experience with cloud platforms (preferably AWS) and infrastructure-as-code concepts (e.g. Terraform)
  • Experience implementing automated testing strategies (unit, integration, data quality)
  • Strong understanding of platform monitoring, logging and alerting practices
  • Experience writing technical documentation and developer-facing guidance
  • Experience working in complex engineering environments with multiple teams

Nice to have:

  • Experience with Databricks Asset Bundles (DAB) or similar deployment frameworks
  • Experience integrating AI-assisted development tools (e.g. GitHub Copilot or similar) into engineering workflows
  • Experience defining AI coding standards, agent configurations or prompt engineering frameworks
  • Knowledge of Delta Lake and Lakehouse architecture patterns
  • Experience working on large-scale platform engineering or developer platform teams
  • Understanding of IAM, secrets management and security compliance in cloud environments
  • Experience driving adoption of engineering platforms across multiple teams
  • Strong communication and technical leadership skills
What we offer:
  • Flexibility, with hybrid work options and 25 vacation days for a healthy work-life balance
  • Co-subsidized transportation & Multisport cards
  • Premium health insurance for fast and easy access to top healthcare services
  • Training policy for technical and other skills-related events, courses and certifications
  • Personal career development roadmap guided by performance evaluations
  • Self-care program offering psychological consultations & discussions for you and the team
  • Cozy office space designed for comfort and productivity
  • Exciting team events and company gatherings

Additional Information:

Job Posted:
May 15, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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