Full-Stack Middle+/Senior Developer
Al. Jerozolimskie 123A, Warszawa +2 Locations
Itransition
We’re looking for a Senior Full-Stack Developer to join the active development phase of a large-scale project built from scratch for a global client. This is a long-term opportunity to be a part of a strong distributed team (20+ engineers), influence architecture decisions, and drive best development practices.
Responsibilities
Design, develop, and maintain scalable web applications using ASP.NET Core and Angular (up to v20)
Build reusable UI components, control libraries, and design systems
Develop and maintain RESTful APIs and integrate them with front-end components
Participate in architectural and technical discussions, contributing to best practices and system design
Collaborate closely with designers, backend engineers, and stakeholders to ensure intuitive and responsive user experiences
Ensure high code quality through unit, integration, and end-to-end tests
Contribute to CI/CD pipelines, deployment automation, and DevOps processes in AWS
Work in an Agile environment, participating in code reviews, grooming, and sprint ceremonies
Requirements
5+ years of professional software development experience
Strong hands-on experience with ASP.NET Core/C# and Angular (v17–v20)
Experience developing and consuming RESTful APIs
Good understanding of microservices and containerization (Docker)
Experience working with AWS Cloud services (EC2, Lambda, S3, etc.)
Solid understanding of software design principles (SOLID, OOP) and database design (SQL/NoSQL)
Experience writing and maintaining unit/integration/e2e tests
Good spoken and written English for daily communication with the international team
Nice to Have
Experience with CI/CD pipelines, GitHub Actions, or similar automation tools
Familiarity with micro-frontend architecture
Experience with Kubernetes, Terraform, or infrastructure-as-code
We offer:
Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
Competitive compensation that depends on your qualification and skills
Career development system with clear skill qualifications
Flexible working hours aligned to your schedule
Options to work remotely
Full-Stack Middle+/Senior Developer
Full-Stack Middle+/Senior Developer
Al. Jerozolimskie 123A, Warszawa
Itransition