Fullstack Java Developer (banking) @ Britenet

Our expectations

• Min. 5 years of experience in a similar position
• Experience in building backend: Java – design and development of API services
• Good knowledge of frontend technologies: React and/or Angular
• Experience in building web applications with conversational elements (chat): response streaming, conversation history, user feedback, presentation of sources/justifications
• Basics of working with BigQuery/SQL
• Ability to design ergonomic UI for tables, charts, drill-down, results export
• Practice in teamwork: Git, code review, quality standards, documentation, tests (unit/integration/e2e)
• Experience in a production environment: CI/CD, monitoring/logging, incident response
• Willingness to cooperate with AI Engineers and data teams (API contracts, data formats, validations, cost limitations)
• Knowledge of Polish enabling free communication within the team (min. B2)
• Willingness to work hybrid from the client's office (Warsaw)

Nice to have

Knowledge of:

• semantic/metrics layer solutions - semantic layer, caching, pre-aggregations, metric governance
• "conversational analytics" tools / product patterns for "chat with data": citations, "show SQL", explore vs answer modes, trust scoring
• UI and data-viz libraries
• GCP: Cloud Run, Pub/Sub
• basics of containerization and deployments: Docker/Kubernetes

Experience in a regulated environment (banking): audit, compliance, data classification, security processes

What we offer

• Unique atmosphere: A good and friendly atmosphere in the company and the satisfaction of working with both departmental colleagues and direct superiors.
• Team-building events: Large internal technology conferences, star parties and team outings.
• Flexibility: Working hours are flexible and tailored to individual preferences. As is the mode of work delivery: remotely or in a hybrid model.
• Development paths: They are clear, straightforward and certainly not bumpy. Choose between a managerial or expert development path.
• Certifications: We facilitate the development of desired competencies, subsidize training and courses.
• Security: We have many years of experience in the market and implement national and international projects. We skillfully manage tasks and enable smooth allocation between projects.
• Language lessons: For those who speak fluently and want to maintain this level or wish to develop their language skills, we enable free participation in language lessons. Are conducted in the modern and safe form of online meetings. Just learn IT!
• Comfort at work: Attractively decorated relaxation areas, available in the company's largest branches, to encourage relaxation during the day, and equipped kitchens with aromatic coffee.
• Support for activity: We have soccer teams, we play championships, we have marathon runners and other active sports lovers on board. We support all passions.

,[Building Data Lake and DWH class solutions - online and offline feeding processes,, Designing and implementing IT solutions in the area of data feeding,, Data analysis and preparation of logical and physical models for them,, Creating offline and online flows in both on-prem and GCP tools,, Creating data loading solutions in Python and Rust for structured and unstructured data,, Building and developing the "chat with data" tool: from the conversation layer, through intent interpretation, to query generation and response presentation,, Creating solution concepts and implementing solutions based on business requirements and needs,, Removing incidents and participating in problem-solving,, Supporting tests and implementing changes in data feeding processes,, Assisting with servicing implemented software,]