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.
At the forefront of reimagining how industries operate, we are a team of builders and thinkers reshaping e-commerce, ticketing, and logistics from first principles. Our work is grounded in curiosity, experimentation, and a drive for real business impact. We eliminate inefficiencies—not just in code, but in legacy models and outdated assumptions. For those who seek to solve complex problems and mentor others in the process, this is a place to thrive.
We are looking for a Senior Data Engineer who combines deep technical expertise with a strategic mindset. In this role, you’ll architect and build intelligent data ecosystems that power autonomous workflows—integrating Generative and Agentic AI to help businesses move faster, think smarter, and operate more efficiently. Equal parts architect and builder, you’ll be instrumental in delivering high-impact, AI-powered solutions across diverse industries.
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 English, both written and spoken
What we offer
A working culture that is high performing, ambitious, collaborative and fun
Private medical care and life insurance
Yearly training budget (local and international conferences, language courses) and employee-led workshops
Medicover sport package
Flexible working hours
Unlimited WFH (work from home) policy
Bonus for referrals
For those who dream of traveling: WFA (work from anywhere) possibilities in NFQ - approved countries
B2B contracts include paid annual service break and paid public holidays in Poland
Office perks and team activities
Salary range:
103 - 164 PLN/h + VAT (B2B)
14 270 - 22 200 PLN gross (Permanent)
If you have any questions, please contact me at
jowita.dudek@nfq.com or via
Linkedin.
Check all our career opportunities here. 