Back-End Developer (.NET / C#)

Experis Manpower Group Усі вакансії

Warszawa

Діє до 18 жов 2026

3 дні тому

Коротко

Experis Manpower Group seeks experienced Back-End Developer (.

NET/C#) for a long-term project. Responsibilities include designing/developing backend apps, building APIs, optimizing databases in an Agile environment. Requires 5+ years IT exp, 3+ years as Back-End Dev, C#/.

NET Core, SQL, REST APIs, DDD/Clean Architecture, EF Core/Dapper, Azure DevOps/Git, and English. Offers B2B contract, remote work, healthcare, and Multisport.

Ключові слова

C# .NET Core REST APIs MS SQL PostgreSQL Entity Framework Core Dapper Azure DevOps Git Agile

Стислий виклад підготував ШІ на основі тексту оголошення.

Location: Poland (approx. 90% remote, occasional on-site visits in Warsaw)

Start Date: ASAP

About the RoleWe are looking for experienced Back-End Developers to join a long-term software development project. You will be responsible for designing, developing, and maintaining backend applications, building APIs, optimizing databases, and ensuring high-quality software delivery within an Agile environment.

Responsibilities

Design and develop software based on technical requirements
Build and maintain REST AP
IsDesign, develop, and optimize relational databases
Debug, test, and improve application performance
Create unit and integration tests
Collaborate with cross-functional teams in an Agile/Scrum environment
Report progress and contribute to technical documentation
Requirements
Higher education degree
Minimum 5 years of professional experience in IT projectsAt least 3 years of experience as a Back-End Developer within the last 5 years
Strong knowledge of C# and .

NET Core

Experience developing web and desktop applications
Practical experience designing and implementing REST AP
IsGood understanding of Clean Architecture and Domain-Driven Design (DDD)

Strong knowledge of MS SQL and/or Postgre

SQL
Experience with SQL optimization, indexing, and stored procedures
Hands-on experience with Entity Framework Core and Dapper
Knowledge of authentication, authorization, and encryption mechanisms (JWT, OAuth2, FIDO2)