Senior C# (.NET) Developer

ESCOLA offers projects including short and long-term, internal and custom, greenfield and brownfield, for Polish and foreign clients, with T&M and fixed price models. The company works in the Polish time zone with flexible working hours. Teams are small and interdisciplinary with dedicated testers, devops, and designers. Communication is mostly in Polish via messenger or daily meetings.

• Minimum 5 years of experience as a C#/.NET Developer
• Proficient in C# (minimum version 5, preferably 10+)
• Practical experience with .NET Framework 4.x and .NET 6+
• At least 2 years of experience with microservices, stateless applications, or modular monoliths
• Knowledge of RabbitMQ
• Experience with SQL databases (MSSQL/PostgreSQL) and basics of NoSQL (MongoDB, Redis)
• Experience with Entity Framework Core, Entity Framework 6, and Dapper
• Knowledge of design and architectural patterns
• Ability to test code

Nice to have:

• Knowledge of one JavaScript framework (Angular, Vue.js, React)
• Experience with Domain-Driven Design (DDD)
• Knowledge of WCF
• Understanding of SDLC and DevOps best practices
• Basic knowledge of cloud services: Storage, Functions, Key Vault, Service Bus
• Basic knowledge of Docker and Kubernetes
• Basic knowledge of Terraform
• Automation of CI/CD (GitLab CI, Argo CD)
• Familiarity with vulnerability scanning systems (Snyk, Dependabot)
• Knowledge of web application security (OWASP TOP 10, OWASP ASVS)
• Google Cloud Certificate

• Work on short and long-term projects, internal and custom, greenfield and brownfield
• Collaborate in small interdisciplinary teams with dedicated testers, devops, and designers
• Participate in code reviews to maintain and improve code quality
• Communicate primarily in Polish via messenger or daily meetings
• Use tools such as Confluence, GitHub, GitLab, GIT, Agile, Scrum, Kanban