3,347 principal java developer jobs in Polska.

What your days look like You work in a small team of 2-5 people with regular, direct contact with clients or product owners. There is no project manager replaying messages. You hear the problem firsthand and you help figure out the solution.

... Your tasks Build interactive and scalable frontend applications using React with a focus on performance and usability Develop backend services and APIs with JavaScript/TypeScript and https://jobeax.com/link/JSd7UYCSg572jJDY frameworks (https://jobeax.com/link/AfY7qZRjVtazPhHg, NestJS) Create Python-based AI/LLM components, ...

Must-have knowledge and experience 1. Senior level experience on Sailpoint IIQ & Java 2. Good knowledge about various Sailpoint Connector types and have experience in creating new/migrating file based connectors to direct connectors. 3. Good knowledge working with MicroServices(REST/SOAP), and various Authentication Mechanisms ...

... industry standards - Ensure software is updated with latest feature Qualifications for the role: - Proven work experience as a Software Engineer or Software Developer, minimum 5 years in C/C++ - Knowhow in DevOps/CICD, Git, Azure - Team player and also able to work independently in a distributed, diverse collaboration environment ...

... integration design, and technical decision-making - Build and maintain REST, API, and OData integrations with enterprise systems - Review code, share knowledge, and mentor other developers - Collaborate with Product Owners, Business Analysts, developers, and stakeholders to translate business needs into scalable solutions

A legal tech company in Poland is seeking a Senior Product Manager to oversee developer experience and drive product innovation. You will work on leveraging AI tools to enhance product management processes and collaborate closely with teams to ensure effective delivery. The ideal candidate has over 7 years in product management ...

... MCP servers, agentic workflows, and reusable AI skills to improve developer experience and efficiency at scale. - Experience building or scaling AI-enabled developer tools (e.g., copilots, agents, code search, test generation) and measuring impact via developer productivity and quality metrics - Familiarity with AI product ...

... optymalizacja struktur w bazach danych MySQL / Aurora (AWS) - Konteneryzacja usług z wykorzystaniem Docker / docker-compose - Tworzenie warstwy frontendowej (HTML5, CSS, JavaScript/jQuery), wspierającej funkcjonalności backendowe - Code review i praca z Git (branżowanie, PR‑y, tagowanie, rebase) - Współpraca z zespołem DevOps i product ...

Poszukujemy doświadczonego Backend Developera do projektu budowy jednego z kluczowych komponentów nowego ekosystemu odpowiedzialnego za proces obsługi wierzytelności. Rozwiązanie rozwijane jest w architekturze opartej o Domain-Driven Design (DDD) i podzielone na kilka Bounded Contexts odpowiadających wspólnym potrzebom ...

... chętnie dzielą się wiedzą z zespołem Cechują się wysokim zaangażowaniem, komunikatywnością, proaktywnością oraz samodzielnością Dodatkowym atutem będzie: znajomość Java / JavaScript znajomość modułów SAP takich jak MM, EWM, FI lub SD Oferujemy: Staniesz się częścią zespołu, który tworzy i rozwija rozwiązania wykorzystywane przez ...

... Utilities, Retail, and Media & Telecommunications. Job Description Location: Warsaw, Poland - Relocation is mandatory We are looking for a Mid‑Level Fullstack Developer with solid experience in Java and Angular to join our development team. The selected candidate will be responsible for designing, developing, and maintaining ...

... / Within 1 Month / Flexible Work Model: 100% Remote Contract Type: B2B (140-160PLN/h + VAT) We are seeking an experienced ServiceNow System Administrator & Developer to join our team. This role involves managing and optimizing the ServiceNow platform, ensuring stability, and delivering new features to meet organizational ...

... wykorzystywanej globalnie.] Requirements: Java, Kotlin, https://jobeax.com/link/JSd7UYCSg572jJDY, Automation, Platform Engineering, Proaktywność, Communication skills, Developer Experience, DevEx, Kubernetes, CI/CD, Terraform, Internal Developer Platfroms, IDP, Backstage, Develoepr Advocate, Developer Relations Engineer

https://jobeax.com/link/1XpleLK2uqi4s831, a mobile marketing and audience platform, seeks a BI Developer to lead adoption of advanced BI tools and end-to-end BI processes. You will work with business, data, product, and tech teams to design, develop, test, monitor, and maintain BI solutions. The role emphasizes SQL, Python, ...

... travel to the customers locations on need basis. - Participating in the organization-wide people initiatives. Skills and attributes for success - Experience in Java/Guidewire development - Understanding of any JVM technologies or surrounding ecosystem (e.g., Java 8, J2EE, XML, SOAP, REST, SQL, PL/SQL, Spring, Hibernate, any ...

... for the next success. If you also like to explore the unknown and know how to own it, we want to work with you! What is this job all about? As a Senior Unity Developer , you will turn your ideas into features millions of players love . You’ll team up with designers, artists, and QA to bring our games to life, optimize performance, ...

Luxoft is building a trading platform from the ground up, delivering a front-office system for traders, pre-trade checks, and analysis. The team will handle intra-day positions, order routing, risk management, and trading activity reports with FIX connectivity and market data integrations.

We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - particularly within Risk functions - to ...

We are looking for a Senior SAP MDG Developer to join our team and contribute to the design and development of SAP solutions. The ideal candidate will bring strong ABAP expertise and a solid background in SAP development practices to deliver high-quality results. Responsibilities Design and develop SAP solutions using Core ...

We are a technology company that started its journey in 2008. Our main headquarters is located in the picturesque city of Poznań, nestled by the beautiful Malta lake. For more than 18 years, we have been assisting companies in developing and implementing innovative fintech solutions.