Senior Full-Stack Developer (.NET / React)

Nasze wymagania: Strong commercial experience with .NET in modern web application environments Experience delivering enterprise-scale web platforms or digital experience solutions Hands-on experience with React or similar modern frontend frameworks Experience working with enterprise CMS / DXP platforms (e.g. Optimizely, Sitecore, or similar) Understanding of distributed systems, integrations, and service-oriented architectures Experience working with CI/CD pipelines and cloud-based delivery models Ability to operate effectively in cross-functional teams Pragmatic problem-solving mindset and ownership approach Fluent English Mile widziane: Experience with headless CMS or composable digital architectures Exposure to Next.js or modern frontend tooling ecosystems Experience with containerised environments and cloud platforms Background in building scalable content-driven or customer-facing digital platforms O projekcie: We are partnering with a well-established international organization that is expanding its engineering capabilities to further develop modern digital platforms used across multiple markets. The company is investing in scalable, composable web architectures and enterprisegrade digital experience solutions supporting complex customer journeys and high-traffic content-driven platforms. We are looking for a Senior Full-Stack Developer who enjoys working across the full technology stack and wants to contribute to building robust, future-ready web ecosystems in a collaborative and pragmatic engineering environment. This role combines hands-on development with technical ownership across integrations, platform evolution and performance optimisation. Zakres obowiązków: Designing, building, and enhancing enterprise web platforms and digital experience solutions Working across modern .NET backend services and frontend technologies such as React Developing APIs and integrations within distributed and service-based environments Contributing to platform architecture decisions and scalable solution design Supporting automated build, release, and deployment processes Maintaining high engineering standards through testing, code reviews, and continuous improvement Troubleshooting platform and integration issues across different environments Collaborating closely with product, UX, and business stakeholders Oferujemy: Contract type: Permanent Engagement: Full-time Work model: Hybrid (Warsaw or Poznań) Start date: Flexible