3,355 principal java developer jobs in Polska.

... min. 5 lat, w tym rok komercyjnej praktyki z Kotlin Multiplatform, będą kluczem do sukcesu w naszym projekcie. Oczekujemy solidnego zastosowania Clean Architecture, SOLID i MVI, pracy z RxJava i Coroutine oraz pracy w modelu hybrydowym – 1 dzień w biurze w Warszawie. Oferujemy długoterminową współpracę i pakiet benefitów.

A global telecommunications leader in Kraków is seeking an experienced System Developer for Radio Access Network (RAN) to join their innovative team. This role involves performing system studies in Radio Resource Management, specifying system features, and developing software simulations for 5G technologies. Candidates ...

A global consulting firm is seeking a Murex BO Workflows developer to join their team in Warsaw. This role involves configuring workflows and providing expert support on Murex, with a focus on financial products. The ideal candidate has over 3 years of experience in Murex developments and a strong technical background. ...

Eton Technologies Private Limited is seeking an experienced Boomi Developer for a full-time remote integration project. The role requires 5+ years with Boomi and strong skills in REST APIs, XML/JSON payloads, external web services, and databases. API testing with Postman is mandatory. Hands-on end-to-end integration, troubleshooting, ...

Chromatic is hiring a Product Marketing Manager focused on developer marketing. This fully remote role involves crafting technical content and marketing campaigns to support developers and enhance product adoption. You will collaborate closely with Sales and Product teams while producing impactful assets such as blogs, ...

... knowledge of your industry and first-hand experience of defining its future.Wrocław, Gdańsk, Katowice, Kraków, Lublin, Opole, Poznań, Warszawa# Senior Blue Prism Developer (Automation)## **Your Role**You will design, develop and deliver automation solutions that support complex business processes and help our clients accelerate ...

... 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 ...

Contract Type: B2B via Experis Start Date: ASAP / within 1 month Work Model: Remote work Salary: 150-210PLN net+VAT/h Rust Developer – Software & Data Engineering Team We are expanding our Software and Data Engineering team and looking for an experienced Rust Developer to join us. Our team currently consists of 17 professionals, ...

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.

... 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 ...

... 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, ...

... 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 ...

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.

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 ...

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, ...

... 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 ...

... 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, ...

... 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 ...