Senior Data Engineer

Senior Data Engineer

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Department
Data & AI
Location
Cluj-Napoca
Hybrid

About the job

Linnify is a global technology partner that specializes in building scalable digital products through custom software and AI development.

With a proven track record of over 80 digital products delivered across Europe and North America, we help visionary startups and established companies bring industry-defining ideas to life.

As a Senior Data Engineer, you’ll play a critical role in designing and scaling the data infrastructure that fuels the products we work on, from intuitive mobile apps to complex AI-driven systems. Your work will directly power real-world impact across industries such as healthcare, education, automotive, and more.

This is a hybrid role based in Cluj-Napoca, offering the best of both worlds: the flexibility of remote work and the creative energy of in-person collaboration.

You’ll join a people-first, collaborative environment where we don’t just build technology, we deliver exceptional value fast through it.

Job responsibilities

  • Design, develop, and maintain scalable data pipelines for both batch and real-time processing
  • Build and optimize ingestion and transformation workflows to support product functionality and analytical needs
  • Ensure performance, scalability, and resilience of data operations in production environments
  • Collaborate closely with product managers, analysts, and engineering teams to define data needs and deliver reliable solutions
  • Maintain high standards for data quality, consistency, and observability across all systems
  • Manage and improve orchestration and scheduling systems for data workflows

Job qualifications

  • 5+ years of hands-on experience in data engineering, with a focus on production-grade environments
  • Proficiency in Python and SQL, along with a strong understanding of software engineering best practices
  • Experience working with modern data platforms like Databricks, Snowflake, Palantir, or BigQuery
  • Strong knowledge of at least one major cloud provider (AWS, GCP, or Azure)
  • Excellent communication skills and the ability to collaborate across both technical and non-technical teams
  • Analytical thinking and a strong commitment to data quality, integrity, and usability

Technical skills

  • Languages: Python, SQL
  • Distributed Computing: Spark, Flink (or similar frameworks)
  • Data Warehouses: Databricks, Snowflake, BigQuery (or equivalents)
  • Cloud Platforms: AWS, GCP, or Azure
  • Streaming Technologies: Kafka, Pulsar (or comparable tools)
  • Workflow Orchestration: Airflow, Dagster, Prefect (or alternatives)
  • Strong knowledge of data modeling, ETL/ELT best practices, and pipeline reliability engineering

Professional skills

  • Strong analytical and problem-solving skills
  • Ability to work independently while contributing to team success
  • Comfortable mentoring and providing technical guidance
  • Excellent time management and prioritization in dynamic environments
  • Growth mindset with a collaborative attitude
  • Advanced written, verbal, and interpersonal communication skills in English.

What’s in it for you?

  • Impactful work: Contribute to meaningful, real-world products
  • Hybrid flexibility: Balance in-office synergy with remote deep work
  • Modern tech stack: Build with the latest tools in a forward-thinking environment
  • Top-tier gear: Receive your own MacBook Pro for high-performance development
  • Continuous growth: Certifications, mentoring, and learning resources provided
  • Supportive team: Work with driven, thoughtful, and innovative people
  • ESOP & wellness: Enjoy equity options, private health insurance, gym discount, and daily meal vouchers

Learning & development

We’re committed to continuous growth. At Linnify, you’ll benefit from:

  • Access to role-specific certifications fully supported by the company
  • Regular team knowledge-sharing sessions and mentoring opportunities
  • Clear visibility into your progress and opportunities for advancement

Benefits

  • Flexible work schedule and remote work days
  • 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)
  • Certifications & training covered within your role
  • Discounted gym subscription
  • ESOP (Employee Stock Ownership Plan) so that you grow with us

About Linnify

Linnify is a global technology partner, with offices in both Cluj-Napoca and Austin, that specializes in building scalable digital products.

With expertise in custom software and AI development, we lead in creating industry-defining solutions for visionary companies.

Our mission is to deliver exceptional value through technology and have contributed to developing over 80 digital products in Europe and North America for dozens of startups and large corporations alike.

How to apply

Ready to shape the future with data? Apply now below and be part of something meaningful.

Linnify is an equal opportunities employer. We celebrate diversity and are committed to creating an environment where everyone thrives based on ability, potential, and passion.

Ready to engineer data solutions that matter?

Join us, shape the future, and grow alongside some of the brightest minds in Cluj-Napoca.

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