Fullstack Developer w Warszawa, Polska

Company Description Our mission as a company providing IT services is to provide our clients all over the world with the best solutions. We manage to do this by analyzing the needs of our clients and matching them to the skills and aspirations of our employees. Therefore, one of our main motivations is to provide each Employee and Consultant with a satisfying experience. Joining us means being part of a community with diverse personalities. Start your adventure with act digital Polska! Job Description We are looking for Fullstack Developer to work on mature enterprise financial management platform, as it evolves towards a modern, cloud-native architecture. The role combines hands-on software engineering with technical leadership, driving architecture, front-end standards, and AI-assisted development practices. Responsibilities Design and evolve application architecture, supporting the modernization of a large-scale enterprise platform. Lead development using Java, React, and TypeScript, promoting engineering best practices and reusable solutions. Drive adoption of AI-assisted development tools (e.g. GitHub Copilot, Microsoft Copilot) and contribute to AI-enabled engineering capabilities. Mentor engineers, review technical solutions, and collaborate with cross-functional teams to define the product's technical direction. Requirements Strong commercial experience with Java (Java/Jakarta EE). Hands-on experience with React and TypeScript. Experience designing software architecture for enterprise applications. Knowledge of Azure, Docker, CI/CD, and modern DevOps practices. Experience with AI-assisted development tools (e.g. GitHub Copilot, Microsoft Copilot). Strong understanding of software architecture, design patterns, distributed systems, and scalable application development. Nice to have Kubernetes. Experience modernizing monolithic applications into cloud-native architectures. Experience with ERP, financial, or other enterprise business applications. Knowledge of C/C++. Experience with AI integrations, APIs, Model Context Protocol (MCP), or developer platforms. Experience mentoring senior engineers and working in distributed international teams. Additional Information Work model: Remote Type of contract: B2B We offer Access to local and international projects - Clients from France, Germany, Portugal, UK, and Benelux. Professional development support - trainings, technical certificates, conference participation, foreign language classes, and soft skills trainings are subsidized for up to 2 000 PLN. Bonus for recommending Candidates starting from 6 000 up to 10000 PLN. Fully paid Medicover healthcare card. Psychological support program WellBee. Multisport card. Regular integration events and gifts. Long-term cooperation. Relocation Program. If You applied for this position the Controller of your personal will be ACT DIGITAL POLSKA Sp. z o.o., with its registered office at Przyokopowa 31, 01-208 Warsaw. The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You have the right to access the content of your data, request their rectification, erasure, restriction of processing, the right to data portability, the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office.