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Tech lead

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Onsite

Tech lead

W3Global

Tech lead

Skills

SQL QueriesData EngineeringPythonSnowflakeAmazon RedshiftdbtApache AirflowChange ManagementComplianceRegulatory Compliance

18 days ago

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Important information


Contract type:

Freelance / Contract

Salary:

€91,000 – €104,000 / year

Location:

Barcelona, Spain

Work mode:

Onsite

Published on:

7 October 2026

What they need


Ask From The Manager

  • It's for a redshift to snowflake migration involving extensive data retention requirements and business change elements. Project is needing a bit of TLC and requires an engineering tech lead available at short notice.
  • A Tech Lead who is good at customer-facing interactions, willing to dive into business requirements, create a technical backlog, and lead three or four less experienced engineers.

Key Responsibilities

  • Client & Stakeholder Engagement: Act as the primary technical point of contact for business stakeholders. Lead discovery workshops, unpack business requirements, and manage change expectations across teams.
  • Architecture & Product Ownership: Review Review the migration roadmap from Redshift to Snowflake, ensuring the data architecture supports long-term scalability, governance, and strict data retention policies. Translate high-level business goals into structured epics, user stories, and actionable technical tasks; manage the team's sprint backlog.
  • Team Leadership & Mentorship: Lead and mentor a team of 3-4 engineers through code reviews, technical guidance, and pair programming to elevate overall delivery quality.
  • Hands-on Execution: Step into the code/pipelines when needed to unblock engineers, validate technical designs, and establish best practices for data modeling and transformation.

Technical Requirements Required Experience & Qualifications:

  • Data Warehousing: Proven hands-on experience migrating legacy data platforms (specifically Amazon Redshift) to modern cloud warehouses (Snowflake).
  • Data Governance & Retention: Expertise in designing schema architectures, partition strategies, and automated data retention/archival policies for regulatory compliance.
  • Data Engineering & Pipeline Design: Proficiency in SQL, Python, and modern data stack tools (e.g., dbt, Airflow, or similar orchestration platforms).
  • Leadership & Delivery Requirements
  • Cross-Functional Background: Strong dual capability across technical solution design and product/business analysis (backlog grooming, requirements gathering, stakeholder alignment).
  • People Leadership: Demonstrated experience mentoring and guiding early-career/mid-level data engineers.
  • Communication & Change Management: Excellent customer-facing skills with the ability to articulate complex technical decisions to non-technical business leaders.

Desirable Skills

  • Familiarity with business change frameworks or experience navigating organizational shift during large-scale platform migrations.
  • Experience with cost-optimization strategies in Snowflake.

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