Senior Qlik Developer

Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

• Bachelor's or master's degree in Computer Science, Engineering, IT, or a related field.
• 5+ years of professional experience as a Qlik Developer or in a comparable BI development role.
• Strong hands-on expertise with Qlik Sense (and/or QlikView) — data modeling, load scripting, and set analysis.
• Good SQL skills and experience working with relational databases and data warehousing concepts.
• Experience with ETL/ELT processes and integrating data from diverse sources.
• Solid understanding of BI best practices, performance tuning, and data governance.
• Fluent communication skills in English and Polish.
• Availability to work in a hybrid mode with at least 1 visit to the Katowice office per month.

Nice to have:

• Experience with Qlik NPrinting, Qlik Cloud/SaaS, or Qlik Application Automation.
• Scripting or automation with Python and REST APIs.
• Exposure to other BI tools (Power BI, Tableau) or cloud platforms (AWS, Azure, GCP).
• Qlik certification (Data Architect / Business Analyst).

• Design, develop, and maintain scalable Qlik Sense applications, dashboards, and data models.
• Build and optimize load scripts and ETL/ELT logic to integrate data from multiple sources (SQL databases, APIs, flat files, cloud platforms).
• Implement advanced Qlik features — set analysis, section access, master items, and reusable data models following best practices.
• Gather business and technical requirements from clients and translate them into effective BI solutions.
• Ensure data quality, performance, and governance across Qlik applications, including reload scheduling and monitoring.
• Support the operationalization and production-ready deployment of analytical solutions.
• Document solutions and present results to both business and technical stakeholders.
• Mentor junior developers and foster a culture of continuous learning within the team.