Java Devel

About the Webellian Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy. About the position We are looking for a Mid Java Developer with at least 3 years of experience to join an international team working for one of our customers - a leader in the insurance industry. As a Mid Java Developer, you will work on the development and maintenance of a server-side rendered (SSR) Java application, which constitutes the core of the system (approximately 80–90% backend/server-side logic). The frontend layer represents around 10–20% of the application and is implemented mainly to complement UI limitations of the Java server-side technology stack. You will contribute to an internal business application integrated with multiple enterprise systems and tailored to complex insurance processes. You will collaborate with teammates located in Poland and across Europe, working closely with product owners and application users. Key responsibilities • Development of new application features • Maintenance and enhancement of existing system components • Application testing and debugging • Application deployment and packaging (WAR-based deployments) • Writing clean, maintainable backend code • Preparing technical documentation • Proposing technical improvements and optimizations Competencies • Java  • JDBC / plain SQL (mainly Oracle database) • JAXB, XStream • Maven • Apache Tomcat (WAR packaging & deployment) • Internal engines: Kernel, PriceEngine, CalculationEngine Nice to have • Servlets & JSP, JSTL • jQuery, CSS • T-Konfigurator (TKUI) • Experience working with SSR applications Other requirements • Familiarity with databases • Familiarity with common enterprise application stacks • Great attention to detail • Experience with Agile/Scrum methodologies is a must • Fluency in English is a must • Excellent verbal communication skills are a must • Independence and drive to grow and learn  What we offer • Contract under Polish law: B2B or Umowa o Pracę • Benefits such as private medical care, group insurance, Multisport card • English classes available • Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów) • Opportunity to work with excellent professionals • High standards of work and focus on the quality of code • New technologies in use • Continuously learning and growth • International team • Pinball, PlayStation & much more (on-site) Join a growing team of dedicated professionals! We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply ➡️