Junior Backend Developer (.NET)

Responsibilities

• Support the development of a next-generation payment processing platform built using latest versions of .NET.

• Implement backend features under the guidance of experienced developers, focusing on clean, reliable and maintainable code.

• Collaborate within small agile teams, participate in daily activities, and learn best practices through code reviews and mentoring.

• Work with modern .NET technologies and tools to help solve real business problems and continuously improve the platform.

• Contribute to team discussions, share ideas, and proactively develop your skills in a supportive engineering environment.

Benefits

• Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more.

• Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones!

• Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development.

• Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions.

Qualifications

• Successfully completed university degree in computer science or a comparable field of study.

• Some hands-on experience with C# and ASP.NET Core (projects, internships, academic work or commercial experience).

• Basic understanding of relational databases (preferably MSSQL) and Entity Framework Core.

• Interest in microservices, cloud environments and modern backend development patterns.

• Eagerness to learn technologies such as Kafka, CI/CD, and agile development practices.

• Ability to write simple, clean and well-structured code with openness to feedback.

• Fluency in Polish and good communication skills in English.

• Availability to work in a hybrid setup.

About Nexi Digital

Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.