Senior Fullstack Developer (.NET/Angular)

PROJECT DETAILS: • Contract: B2B • Length: 6 months + possible extensions • Hybrid model: 2 days from the Warsaw office, the rest remotely • Start: ASAP/Flexible • Required standard background check after receiving the offer We are looking for a Fullstack .NET Developer to join a digital transformation initiative in the bioenergy sector. You will work on modern digital solutions that support business users, improve operational processes, and help build reliable, scalable applications used in an international environment. This is a great opportunity for someone who enjoys working close to the business, delivering value fast, and building products that are actually used and appreciated by end users. What you will do You will be part of an agile, international team responsible for developing and improving digital applications for the energy domain. Your work will include both new feature development and enhancing existing functionality across front-end, back-end, cloud, and data layers. Your responsibilities will include: • developing and maintaining functionality in business-critical digital applications, • building solutions using Angular, .NET, cloud technologies, microservices, and databases, • working on MVPs and improving products based on user feedback, • collaborating closely with business stakeholders, internal teams, and external consultants, • participating in daily stand-ups, sprint planning, and sprint reviews, • supporting high code quality through clean code, best practices, and technical ownership, • contributing to the continuous improvement of the agile delivery process. What we are looking for • Strong commercial experience with C# and Microsoft .NET • Experience with Angular 2+ • Good understanding of REST APIs, microservices, and distributed architecture • Experience with PostgreSQL and/or SQL Server • Experience with database migrations • Familiarity with cloud platforms: Azure or AWS • Practical knowledge of GitHub • Strong focus on clean code and best practices, including SOLID, DRY, and object-oriented programming • Good communication skills and experience working with business stakeholders • Fluent English, both spoken and written Nice to have • Experience in the energy, industrial, production, IoT, or operational systems domain • Experience with event-driven architecture • Previous work in distributed international teams • Experience in improving Scrum or Agile delivery practices