Java Fullstack Developer
Primary stack
Nice to have's
Job description
Java Fullstack Developer
Bid: PLN 120 - 140 net + VAT/h
Place of work: Poland, Mazovian Voivodeship, Greater Poland Voivodeship
Form of employment: B2B with ITFS
Category: IT
About the Position
We are seeking a Java Fullstack Developer for a hybrid role in Warsaw or Poznań, focusing on web application design and development.
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.
Requirements
- 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)
Nice to Have
- 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
- Long-term 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)
About the Company
We are a company in the banking industry, committed to delivering high-quality software solutions.
Apply now
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Banking,Telecommunications,Finance,Manufacturing,Education
About the Company ITFS is a rapidly growing international consulting firm operating in the IT market. With over 10 years of experience, the company successfully implements projects for major companies in the banking, telecommunications, finance, manufacturing, and education sectors. Products, Services & Tech Stack Core Solutions Outsourcing IT IT Recruitment IT Competence Centers HR & Payroll Technologies & Frameworks Go (Golang) Salesforce AI and ML UX/UI Project Scope & Target Clients Client Base Banking Telecommunications Finance Manufacturing Education Engineering Scale Single specialists to complete teams Short-term projects or long-term partnerships Comprehensive IT solutions for scaling teams
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