Fullstack React & Java

PKO Finat Sp. z o.o. is a company operating in the banking sector, focusing on building data lake and data warehouse solutions, including online and offline data feeding processes, and working with cloud technologies such as GCP.

• Proficient in React for frontend development.
• Experience in building web applications with conversational chat elements.
• Skilled in Java backend development, including API design and development.
• Basic knowledge of BigQuery and SQL.
• Ability to design ergonomic UIs for data presentation.
• Experience with Git, code review, quality standards, documentation, and testing (unit, integration, e2e).
• Experience working in production environments with CI/CD, monitoring, logging, and incident handling.
• Willingness to collaborate with AI and data teams on API contracts, data formats, validations, and cost management.

Nice to have:

• Knowledge of semantic/metrics layer solutions.
• Familiarity with conversational analytics and chat with data product patterns.
• Experience with UI and data visualization libraries.
• Knowledge of GCP services such as Cloud Run and Pub/Sub.
• Basic containerization and deployment skills with Docker and Kubernetes.
• Experience in regulated banking environments including audit and security processes.

• Develop frontend applications using React with conversational features such as chat streaming, conversation history, and user feedback.
• Design and develop backend API services using Java.
• Work with BigQuery and SQL for data querying.
• Design ergonomic user interfaces for data including tables, charts, drill-downs, and export functionalities.
• Collaborate in a team environment using Git, code reviews, quality standards, documentation, and testing (unit, integration, e2e).
• Operate in production environments with CI/CD pipelines, monitoring, logging, and incident response.
• Cooperate with AI Engineers and data teams on API contracts, data formats, validations, and cost constraints.

Nice to have:

• Knowledge of semantic/metrics layer solutions including caching, pre-aggregations, and metric governance.
• Experience with conversational analytics tools and product patterns for "chat with data" such as citations, SQL display, explore vs answer modes, and trust scoring.
• Familiarity with UI and data visualization libraries.
• Experience with GCP services like Cloud Run and Pub/Sub.
• Basic knowledge of containerization and deployments using Docker and Kubernetes.
• Experience in regulated environments (banking) including audit, compliance, data classification, and security processes.