4,530 java developer / freelancer jobs in Polska.

... operational best practicesCollaborate with cross-functional teams to support AI-driven business initiativesWrite advanced SQL queries and production-grade code in Java or Scala Requirements 5+ years of experience in Data Engineering with exposure to Gen AI/ML-based applicationsBackground in building and maintaining large-scale ...

Senior Software Platform Engineer (10/960) B2B Java Microservices Project Join a global engineering team responsible for developing an internal Platform Control Plane that helps automate security and operational controls across enterprise technology platforms. You will combine strong software engineering skills with Platform ...

... pracy w IT, w tym min. rok doświadczenia w roli solutions architekta - must have, posiadasz szeroką wiedzę z zakresu minimum dwóch backendowych technologii (np. Java + .Net lub Node + Java) posiadasz wiedzę związaną z architekturą aplikacji i systemów, doświadczenie w pracy z React lub TypeScript lub Angular mile widziane ...

... transfer applications/middleware Production experience in search technologies such as Solr, OpenSearch, or Lucene is highly advantageous Knowledge of Scala or Java We offer We gather like-minded people:Engineering community of industry professionalsFriendly team and enjoyable working environmentFlexible schedule and opportunity ...

... and recommend an effective branching strategy, proficiency in C# with a willingness to learn additional programming languages such as TypeScript, Python, or Java, experience creating proof of concepts (PoCs) for test frameworks and automation solutions, evaluating different approaches, and presenting recommendations to ...

... (C++11/14/17/20) - Experience developing on Linux systems - General SQL understanding - Good understanding of TCP/IP, RESTful APIs, and XML - Familiarity with Java would be a plus - Strong communication skills, with the ability to work effectively in a team Do you want to join us on an ambitious mission to secure the digital ...

... speak up. Enjoys feedback (giving and receiving). Has the curiosity to explore and the discipline to finish. Who you’ll work with A tight, international squad: developers, functional analysts, testers, project managers, and a service/business manager — all driven, supportive, and ready to welcome you. We’re powered by people, ...

About Docker Docker has been one of the most loved brands in developer tooling, trusted by more than 20 million monthly users and over 20 billion container image pulls. From solo founders to the world's largest companies, developers rely on Docker to build, share, and run their applications across our suite of products ...

... Produce and maintain technical documentation for legacy systems, operational procedures, and troubleshooting guidelines. Skills Must have Strong knowledge of Java and C++. Knowledge of Git and version control workflows. Basic knowledge of Oracle SQL and experience using SQL Developer for data validation and troubleshooting. ...

... areas of financial products - Technical planning, defining the roadmap and coordinating execution - Making and reviewing architectural decisions - Mentoring developers and developing engineering standards and best practices - Designing and developing real-time financial systems - Building scalable and fault-tolerant platforms ...

Senior Back-end Developer (https://jobeax.com/link/JSd7UYCSg572jJDY / TypeScript) About the Role We are looking for a Senior Back-end Developer to join our client's team. You will architect and implement robust backends, interacting with various data stores and third-party APIs to support real-time automated decision-making. ...

... elektronicznej oraz usług zaufania: zdalne potwierdzanie tożsamości – mojeID oraz kwalifikowany podpis elektroniczny – mSzafir. Aktualnie poszukujemy Programisty Java (k/m) Zakres zadań na stanowisku: tworzenie skalowalnej logiki biznesowej po stronie serwera, implementacja dynamicznych oraz responsywnych interfejsów użytkownika, ...

... frontend architecture behind Relativity's AI products by building reusable UI infrastructure, enabling composable micro-frontends, and creating a seamless developer experience. You will work at the center of frontend modularization efforts, unifying experiences across AI chat products and contributing to AI context flows ...

... potential in delivering outstanding, cutting edge technologies that shape the world of the future. Currently, for our client, we are looking for a skilled OSM Developer. Project information: Experience level: 4+ years Work model: Hybrid or 100% Remote Project length: Long-term Your responsibilities: Design and develop OSM ...

Jit Team is seeking a backend developer to design, build, and maintain .NET/C# applications, focusing on microservices, distributed systems, and REST APIs for a leading Polish e‑commerce platform. The role emphasizes high availability, performance, and collaboration with product teams and architects. You will participate ...

Job Description We are seeking a Senior Python Developer specializing in AI and Generative AI. This role is designed for a technical "builder" who thrives in the space between experimental Proof of Concepts and production‑level implementation. Working directly with the Lead Architect, the successful candidate will be responsible ...

... specialists, procurement data analysts, IT experts and candidates seeking internships or traineeships in B2B marketing and tender monitoring. AI-Augmented Developer (Full Stack area) We offer: - Attractive salary - Possibility of fully remote work - Real influence on the choice of tools in projects Responsibilities: - ...

... Retail, Telecom, Media amp; Entertainment, Logistics, Travel amp; Hospitality, eCommerce, and more. Kogo poszukujemy? Must-haves: - Experience as a Backend Developer (NodeJs) for 2+ years. - Strong knowledge of JavaScript (ES6+) and/or TypeScript. - Experience building RESTful APIs and backend services. - Understanding ...

We are looking for an experienced Oracle Developer to join our team and work on Oracle E-Business Suite R12. In this role, you will be responsible for developing and maintaining Oracle EBS solutions, collaborating with cross-functional teams to ensure that business requirements are met. You will work remotely, contributing ...

Directio is seeking a Senior AI/Python Developer to join our Backend Department and contribute to a platform for collecting employee and customer feedback for a Swedish client. The role is fully remote with Warsaw-based operations. You will design, develop, and deploy AI-powered Python services, leverage Claude, Cursor, ...