Java Full Stack Developer (Hybrid - 2 Days Onsite in Kraków, Poland)

StrategicsIQ • 2 days a week in the office • JavaScript • Java • SQL • 11 days ago

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Salary

$94k – $103k per year

Location

Hybrid (Kraków, Poland)

Employment

Full-Time

First seen by Alion on Oct 8, 2026.

Overview

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StrategicsIQ

StrategicsIQ is a global recruitment consultancy headquartered in London, United Kingdom, and was established in 2024. The firm provides specialized talent acquisition services for the information technology and travel industries, including placements for artificial intelligence specialists, cybersecurity experts, and corporate travel consultants. It serves multinational clients across the UK, EMEA, USA, and APAC regions, focusing on sectors such as banking, telecommunications, manufacturing, and life sciences.

strategicsiq.com • HQ: London, United Kingdom • Recruiting & Staffing • IT Staffing & Staff Augmentation • Est. 2024

We are looking for a skilled Java Full Stack Developer to join our team in Kraków. This is a hybrid role requiring 2 days per week onsite, offering the opportunity to work on modernizing enterprise systems and building scalable, cloud-native solutions.

Key Responsibilities

Design, build, and support scalable services, microservices, and applications (both backend and frontend) using Java (11/17/21) and modern web technologies such as React
Contribute to the modernization of legacy systems, including migration from mainframe and IBM WebSphere to API-driven and microservices-based architectures
Help reduce operational costs and system complexity through modern engineering practices
Improve testing efficiency by implementing and expanding automated testing frameworks
Enhance Straight-Through Processing (STP) capabilities across services and platforms

Required Skills & Experience

Strong experience with Java (11 or higher); experience with Java 17+ is highly preferred
Hands-on experience with Kubernetes and containerized environments
Proficiency with Git for version control
Strong command of Unix/Linux systems and CLI tools
Solid experience with databases and SQL (Oracle preferred)
Good understanding of RESTful APIs and microservices architecture
Familiarity with HTTP/web technologies and JavaScript

Nice to Have

Experience with Reactjs for frontend development
Background working in a DevOps-oriented delivery team
Knowledge of application monitoring and observability tools
Experience with Spring / Spring Boot

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