Java Developer w Polska

Core Requirements:

• 10+ years of hands-on commercial experience engineering web-based applications across Java backends and modern frontends.
• Core Backend Stack: Advanced proficiency in Java (Java 17/21/25) , Spring Boot , and microservices architectures.
• Frontend Expertise: Solid practical experience with Angular or https://jobeax.com/link/6WcBICn0LM558SP0 (proficiency in both is strongly preferred).
• APIs & Integration: Extensive background in building and consuming REST APIs and legacy SOAP web services.
• Database Management: Strong proficiency in SQL and relational database systems (MS SQL Server preferred).
• Cloud & DevOps: Practical experience with Microsoft Azure (Azure DevOps, Cosmos DB, Application Insights) and modern CI/CD deployment pipelines (GitHub, Git).
• AI Tooling: Demonstrated experience applying AI-driven tools and agentic practices within the Software Development Life Cycle (SDLC).
• Education & Languages: Bachelor’s degree in Computer Science, IT, Engineering, or a related technical discipline. Fluent business English (spoken and written).

Nice-to-Have Skills:

• Hands-on experience with Guidewire core platforms.
• Message broker experience using Apache Kafka or RabbitMQ .
• Exposure to Jutro Digital Platform (JDP) or similar enterprise frontend frameworks.
• Official certifications in Java, Spring, SQL, or Azure Cloud.

We are seeking an elite, highly skilled Senior Java Full-Stack Specialist to join our dedicated technical t eam . In this hands-on Subject Matter Expert (SME) role, you will act as a high-impact problem solver deployed across enterprise programs to diagnose, troubleshoot, and resolve critical technical bottlenecks, system defects, and architectural challenges.

This position focuses purely on technical mastery, code-level execution, and cross-team problem resolution— without administrative people-management responsibilities .

,[High-Priority Incident & Problem Resolution: Serve as a core technical expert within the SWAT unit, diagnosing and resolving high-severity technical issues, integration blockers, and operational bugs across complex enterprise systems., Hands-on Full-Stack Engineering: Write, refactor, and review clean, maintainable code across modern Java backends and modern JavaScript frontend frameworks (Angular/React)., System Modernization & Architecture: Support architectural discussions, microservices design, and continuous system modernization efforts across core enterprise platforms., Proactive Risk Mitigation: Analyze system performance, dependencies, and code pipelines to identify potential bottlenecks and vulnerabilities before they impact production., Cross-Team Collaboration: Partner with cross-functional development squads, architects, and DevOps engineers to streamline delivery and align technical integrations., AI-Assisted SDLC Optimization: Leverage cutting-edge AI coding tools, copilot extensions, and automated frameworks to accelerate software delivery, debugging, and testing.] Requirements: Java, Spring Boot, Microservices architecture, Angular, React, REST API, SOAP, Web Services, SQL, Relational database, MS SQL Server, Cloud, Microsoft Azure, Azure DevOps, Cosmos DB, CI/CD, GitHub, Git, AI, Software Development Life Cycle, SDLC, Degree, Apache Kafka, RabbitMQ, Spring, Azure Cloud