Senior Data Engineer

TLDR

Architect and build intelligent data ecosystems that power autonomous workflows by integrating Generative and Agentic AI across diverse industries.

We build the tech that moves industries forward. We have our eyes set on AI, energy, logistics, sports and other complex and exciting segments.  We believe in an innovative approach to solving deep issues and encourage our people to find their own solutions. We are constantly rethinking processes, business models, architecture, and tech stacks.  We foster a sense of curiosity, experimentation, and passion beyond code. With us, you can easily deepen your knowledge in any field you’re curious about. And because we work across many industries, you’ll be gaining the experience others can only dream of. In this role, you will
  • Analyze and optimize business processes by collaborating with stakeholders to uncover inefficiencies and define data requirements for automation
  • Design scalable, modular data architectures that integrate with Generative AI and Agentic AI systems to support real-time decision-making
  • Engineer robust ETL/ELT pipelines using Python, cloud-native services, and orchestration tools, supporting both batch and streaming data needs
  • Architect RAG and vector database solutions using semantic search to enable LLMs to retrieve curated, context-rich business data
  • Build intelligent data products, from predictive models and decision engines to AI-driven insights platforms
  • Implement data quality, validation, and governance frameworks to ensure data integrity, lineage, and compliance across systems
  • Lead technical discovery sessions with clients to transform complex business challenges into AI and data-driven opportunities
  • Mentor team members on best practices in data engineering, AI integration, and modern cloud architectures
  • What you will bring
  • Expert-level Python proficiency for data engineering, including API integrations, data transformations (Pandas, PySpark), and automation
  • Proven experience designing and deploying large-scale data platforms on AWS, GCP, or Azure
  • Strong foundation in building production-grade ETL/ELT pipelines using Apache Airflow, Kafka, Spark, or cloud-native tools
  • Hands-on experience with vector databases (e.g., Pinecone, Weaviate, Chroma, Milvus) and implementing semantic search
  • Demonstrated knowledge of Generative AI and LLMs, with practical experience in RAG architectures and prompt engineering
  • Deep understanding of data governance, quality, and documentation, with a focus on lineage, metadata, and compliance
  • Familiarity with cloud services including serverless computing, managed databases, and data warehouses such as BigQuery, Redshift, or Snowflake
  • Experience working with complex real-world data environments, including legacy systems, SaaS integrations, APIs, and databases
  • Fluency in Lithuanian and English, both written and spoken
  • What we offer
  • A working culture that is high performing, ambitious, collaborative and fun
  • Health insurance and a yearly training budget (local and international conferences, language courses), employee-led workshops
  • Flexible working hours
  • Unlimited WFH (work from home) policy
  • Extra vacation days: 2 after working at NFQ for two years and 4 after four years on our team
  • Bonus for referrals
  • For those who dream of traveling: WFA (work from anywhere) possibilities in NFQ - approved countries
  • Office perks and team activities
  •  
    Salary range: € 3850 - 6600 gross / month 
     
     
    If you have any questions, please contact me at j[email protected] or via Linkedin.
     
    Check all our career opportunities here.

    Benefits

    Flexible Work Hours

    Flexible working hours

    Health Insurance

    Health insurance and a yearly training budget (local and international conferences, language courses), employee-led workshops

    Team activities and office perks

    Office perks and team activities

    Paid Time Off

    Extra vacation days: 2 after working at NFQ for two years and 4 after four years on our team

    Remote-Friendly

    Unlimited WFH (work from home) policy

    NFQ builds innovative technology solutions across diverse sectors such as AI, energy, logistics, and sports. We serve as a core technology partner for companies like HomeToGo, developing complex systems that drive progress in industries rich with potential. Our focus is on rethinking traditional processes and empowering our team to push boundaries in technology and problem-solving.

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    Salary
    €3.850 – €6.600 per month
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