Data Engineer - Data Platform (Big Data)

Location: Poznań or Warszawa, Poland; hybrid 4/1 model with flexible start times between 7:00 and 10:00 and up to 30 days of occasional remote work.

Salary: 14,600–20,825 PLN per month under an employment contract, depending on skill set, plus an annual performance- and company-results-based bonus.

Company

hirify.global is an e-commerce technology company operating large-scale microservices, data, machine learning, and platform infrastructure used by millions of customers.

What you will do

• Design, scale, develop, and maintain data validation pipelines for high-volume clickstream data within the Vento service.
• Implement anomaly detection mechanisms to protect data integrity and processing quality before ingestion into the core Data Assets layer.
• Collaborate with cross-functional stakeholders to reconcile data requirements.
• Participate in engineering discussions, code reviews, and cross-team initiatives.

Requirements

• Solid, production-proven experience with Big Data ecosystems and stable data pipelines.
• Proficiency in Python and Spark; openness to navigating or aligning with Java backend applications.
• Understanding of data quality principles, event contract validation, anomaly detection, streaming environments, and clickstream processing.
• Proactive communication, ownership, autonomy, openness to feedback, and willingness to participate in code reviews.
• Broad technical perspective and interest in the interconnection of Big Data, backend, and frontend systems.
• Interest in using AI coding tools to automate repetitive work and optimize workflows.
• Polish at minimum C1 level and English at minimum B2 level.

Nice to have

• Scala experience.

Culture & Benefits

• Flexible working hours, hybrid work, and 30 days of occasional remote work.
• Well-equipped offices and modern work tools, including a MacBook Pro or equivalent Dell device.
• Cafeteria benefits such as medical, sports, lunch, insurance, and purchase packages.
• Paid job-related English classes, training budget, internal learning platform, hackathons, and inter-team tourism.
• Additional volunteering day and social events.
• Autonomous team organization, knowledge sharing, continuous development, modern developer-experience tooling, and AI-supported workflows.

Hiring process

• Submit a CV to apply.
• Online opportunity to meet the team and learn about the office environment.