Tech Lead (Data Engineer)

Quick Facts

• Role: Data Engineer Tech Lead

• Location: Poland (Warsaw) – remote work with occasional visits once a quarter

• Contract: B2B

Description

Join a high-energy team building and evolving scalable data platforms and modern cloud-based solutions. You will combine hands-on engineering expertise with technical leadership, taking ownership of data architecture, engineering standards, and platform development, while collaborating with cross-functional teams to design reliable data solutions and enable AI-driven initiatives.

Responsibilities

• Design, develop, and maintain scalable data pipelines supporting reliable and efficient data processing
• Build and improve data storage and processing solutions, ensuring availability, consistency, and security
• Work hands-on with cloud-based data infrastructure and optimize solutions for performance and cost efficiency
• Develop and maintain ETL/ELT workflows and data models supporting various business needs
• Collaborate with Data Scientists, Analysts, Software Engineers, and other technical stakeholders to enable data-driven solutions
• Implement and promote best practices in software development, including testing, monitoring, deployment, and code quality
• Contribute to AI-driven initiatives by preparing, integrating, and enabling access to data resources
• Troubleshoot and resolve issues across data pipelines, processing systems, and storage layers
• Act as the 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, maintainability, and alignment with best practices
• Provide technical guidance and mentorship to Data Engineers
• Collaborate with product and business stakeholders to translate requirements into effective technical solutions
• Support technical planning, estimation, and delivery coordination across data engineering initiatives

Requirements

• Proven experience as a Data Engineer with strong hands-on engineering background
• Experience designing and implementing data architectures and end-to-end technical solutions
• Strong programming skills in Python or another modern programming language
• Advanced knowledge of AWS cloud services, including S3, Glue, Lambda, DynamoDB, and Athena
• Solid understanding of SQL and NoSQL databases, including schema design, optimization, and query performance
• Hands-on experience building and maintaining data processing pipelines (batch and/or streaming)
• 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 hands-on technical role
• Strong ownership mindset and ability to drive initiatives from concept to production
• Experience working in Agile environments
• Good command of English and Polish (B2+ level or higher)

Benefits

Not specified in the provided text.