About
Form of employment: B2B with ITFS
Category: IT
Position: Java Fullstack Developer
Location: hybrid, once a week from the client's office in Warsaw or Poznań
Start date: June 1, 2026
Form of cooperation: B2B with ITFS, long‑term cooperation
Rate: PLN 120-140 net + VAT/h
Working hours: standard (8:00 AM - 4:00 PM)
Client: banking industry
Recruitment process: phone call with ITFS (approx. 20 min.) → technical interview with the Client's Tech Leader → decision making
Scope of responsibilities
Design and development of web applications in Java (backend) and React using the frontend framework.
Creating and integrating APIs (REST), maintaining databases, and ensuring application performance and security.
Collaborating with the team (testers, DevOps, UX) on system implementation, testing, and maintenance.
Sought-after competences
Frontend knowledge: React
Experience in building web applications with conversational elements (chat): response streaming, conversation history, user feedback, presentation of sources/justifications
Backend experience: Java – design and development of API services
Basic knowledge of working with BigQuery/SQL
Ability to design ergonomic UI for data: tables, charts, drilldown, export results
Teamwork experience: Git, code review, quality standards, documentation, testing (unit/integration/e2e)
Experience in a production environment: CI/CD, monitoring/logging, incident response
Willingness to collaborate with AI Engineers and data teams (API contracts, data formats, validations, cost constraints)
Preferred
Knowledge of semantic/metrics layer solutions - semantic layer, caching, pre‑aggregations, metrics governance
Knowledge of "conversational analytics" tools / product patterns for "chat with data": citations, "show SQL", explore vs. answer modes, trust scoring
Knowledge of UI and data‑viz libraries
Knowledge of GCP: Cloud Run, Pub/Sub
Basics of containerization and implementation: Docker/Kubernetes
Experience in a regulated environment (banking): audit, compliance, data classification, security processes
We offer
Transparent terms of cooperation
Opportunity to work on a development project
Optional benefits (co‑financing for Enel‑med and Multisport healthcare packages, and a basic accounting package – free for up to three invoices per month)
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Languages
- English
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