Senior Backend Developer

Industry: Biotechnology CompanyWork model: full-time, 100% remote Contract’s length: 6 months + possible extensions Project language: EnglishStart: ASAP / April 2026 We are seeking a qualified Senior Backend Developer to enhance our scientific experiment design platform tailored for R&D. This role demands a highly experienced professional to elevate backend systems ensuring reliability and performance.Main Responsibilities:Review and improve the current backend architecture and code quality.Refactor and restructure key backend components.Enhance reliability through unit and integration testing.Introduce and reinforce pub-sub/event-driven patterns where applicable.Optimise backend performance.Support growth in R&D usage and feature demand.Key Requirements:C# / .NET ASP.NET CoreEntity Framework CoreMS SQLNice to Have:xUnit, Ardalis.Result, Windows auth / SSO