Senior C# / .NET Core Developer

Stack

Responsibilities

• ▹Design, implement, and optimize business logic using C# and .NET Core
• ▹Work closely with relational databases and advanced authorization mechanisms
• ▹Apply Clean Architecture and Domain-Driven Design (DDD) principles

Requirements

• ▹Minimum 5 years of general commercial experience, backed by higher education
• ▹At least 3 years (within the last 5 years) of Back-end Developer experience in commercial projects (budget min. 100,000 PLN net)
• ▹Very good knowledge of C# and .NET Core in the context of web and desktop applications
• ▹Practical ability to design and implement secure REST APIs
• ▹Proficiency in design patterns and implementing Clean Architecture and DDD principles
• ▹Experience with relational databases (MS SQL, PostgreSQL), including query optimization, indexing, and writing stored procedures
• ▹Practical knowledge of ORM systems (Entity Framework Core, Dapper)
• ▹Knowledge of modern authentication, authorization, and encryption mechanisms (JWT, OAuth2, FIDO2)
• ▹Ability to write and maintain unit and integration tests
• ▹Proficiency with Git, Azure DevOps, and English sufficient to read technical documentation
• ▹English at a level allowing free communication

What we offer

• ▹B2B or employment contract - your choice
• ▹Employment contract salary: 15,000 - 21,000 PLN gross
• ▹B2B rate: 18,000 - 25,000 PLN net + VAT
• ▹Training budget (up to 2,500 PLN net per year)
• ▹Flexible working hours (with core hours)
• ▹Up to 100% remote work possible
• ▹Multisport Plus card and private medical care (Luxmed)

About the company

Code & Pepper supports clients in demanding industries, helping them scale their teams and build modern products.