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Lead Data Engineer

Romania, Cluj-Napoca · Job Posted January 02, 2026
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Job Description

Linnify is a global technology partner that helps visionary companies accelerate their digital development initiatives. With expertise in custom software and AI development, we’ve delivered over 80 digital products across Europe and North America. We’re looking for a Lead Data Engineer to take ownership of the data architecture and infrastructure across key product initiatives. You’ll drive the evolution of our data systems, lead complex pipeline designs, and mentor engineers to deliver scalable, high-performance, and cost-efficient solutions. This is a hands-on role that blends architectural leadership with execution. This is a hybrid role based in Cluj-Napoca, offering the best of flexibility and in-person collaboration with product-minded teams.

Job Responsibility

  • Design and evolve end-to-end data architectures, including ingestion, processing, storage, and analytics
  • Lead the development of reliable, scalable, and cost-effective data pipelines for both batch and streaming workloads
  • Optimize ETL/ELT workflows across multiple domains and data sources
  • Own and maintain orchestration systems and ensure observability, lineage, and reliability standards are met
  • Collaborate cross-functionally with product managers, analysts, and engineers to translate data needs into architectural plans
  • Ensure compliance with data governance, security, and privacy best practices
  • Mentor and support data engineers, review code, and contribute to the team’s technical culture
  • Stay ahead of trends in data tooling, cloud infrastructure, and engineering best practices
  • Define and track success metrics for data quality, pipeline performance, and system cost-effectiveness

Requirements

  • Minimum 5+ years of experience in data engineering with strong exposure to large-scale production systems
  • Proven track record designing and deploying robust, cloud-native data architectures
  • Expert-level proficiency in Python and SQL, including best practices for testing and modularity
  • Solid experience with orchestration tools such as Airflow, Dagster, or Prefect
  • Deep familiarity with modern data platforms such as Databricks, Snowflake, BigQuery, or Palantir
  • In-depth knowledge of at least one major cloud provider (AWS, GCP, or Azure)
  • Strong understanding of streaming systems like Kafka, Pulsar, or Kinesis
  • Proven ability to mentor engineers and lead technical initiatives
  • Excellent communication skills and the ability to translate complex requirements into elegant systems
  • Strong leadership and mentoring abilities
  • Strategic thinking with hands-on implementation skills
  • Highly autonomous with a problem-solving mindset
  • Strong documentation and system-design communication
  • Collaborative, pragmatic, and business-aligned decision-making
  • Fluent in English

Nice to have

DevOps & Observability: Terraform, GitHub Actions, DBT, DataDog, Great Expectations (nice to have)

What we offer

  • Flexible work schedule and remote work days
  • ESOP (Employee Stock Ownership Plan) so that you grow with us
  • Additional loyalty vacation days (up to 28 total vacation days based on experience and time with us)
  • Health package via Regina Maria Clinic
  • Meal tickets (40 RON/day)
  • Discounted gym subscription

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