Full Stack Engineer

Senior Full-Stack Developer (.NET / React) | Permanent | Warsaw / Poznań | Hybrid

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 enterprise-grade 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.

The role

• 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

What we’re looking for

• 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

Nice to have

• 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

Practical details

• Contract type: Permanent

• Engagement: Full-time

• Work model: Hybrid (Warsaw or Poznań)

• Start date: Flexible