Tech Lead (Data Engineer)

At neXa, the company creates technology solutions to help businesses grow smarter, working across industries on projects including intelligent automation and custom applications. This role is for a client-focused high-energy team responsible for building and evolving scalable data platforms and modern cloud-based solutions.

• Proven experience as a Data Engineer with strong hands-on engineering background
• Experience designing and implementing data architectures and end-to-end solutions
• Strong programming skills in Python or another modern language
• Advanced knowledge of AWS cloud services including S3, Glue, Lambda, DynamoDB, and Athena
• Solid understanding of SQL and NoSQL databases including schema design and query optimization
• Hands-on experience building and maintaining batch and/or streaming data processing pipelines
• Strong knowledge of ETL/ELT processes, data modeling, and storage formats
• Understanding of software engineering best practices including version control, CI/CD, and automated testing
• Experience with architectural decision-making and communicating technical trade-offs
• Experience leading, mentoring, or guiding engineers in a technical role
• Strong ownership mindset and ability to drive initiatives from concept to production
• Experience working in Agile environments
• Good command of English (B2+ level or higher)

Nice to have:

• Experience with data orchestration tools such as Airflow, Step Functions, or Prefect
• Knowledge of big data technologies such as Spark or Hadoop
• Experience with data governance, security, and compliance practices
• Experience working with content-centric data, metadata, publishing workflows, or content management systems
• Experience building shared data platforms used by multiple teams or domains
• Knowledge of cloud cost optimization strategies
• Experience in an Engineering Manager or people leadership role
• Familiarity with Generative AI technologies and AI-driven data solutions

• Design, develop, and maintain scalable data pipelines supporting reliable and efficient data processing
• Build and improve data storage and processing solutions focusing on availability, consistency, and security
• Work hands-on with cloud-based data infrastructure optimizing performance and cost
• Develop and maintain ETL/ELT workflows and data models for various business needs
• Collaborate with Data Scientists, Analysts, Software Engineers, and other stakeholders to enable data-driven solutions
• Implement and promote best practices including testing, monitoring, deployment, and code quality
• Contribute to AI-driven initiatives by preparing and integrating data resources
• Troubleshoot and resolve issues across data pipelines and storage layers
• Act as technical owner of core data platform components and drive their evolution
• Define and communicate architectural decisions, technical standards, and engineering patterns
• Review designs and code to ensure scalability and maintainability
• Provide technical guidance and mentorship to Data Engineers
• Collaborate with product and business stakeholders to translate requirements into technical solutions
• Support technical planning, estimation, and delivery coordination across data engineering initiatives

The role is based in Poland (Warsaw) with remote work and occasional visits once a quarter. B2B contract. Personal data are processed by neXa in accordance with data protection regulations as described in the job offer.