Senior / Middle .NET Developer (E-commerce Marketplace)

20 days ago

Remote, Poland or Warsaw, PolandMid Level / Senior

Responsibilities

Design, develop, maintain, and deploy robust backend solutions using .NET Framework 4.8 and C#.
Own features throughout the full software development lifecycle, from requirements analysis through production deployment.
Support, optimize, and troubleshoot distributed messaging and service-oriented systems built with MSMQ and WCF.
Design and optimize SQL Server database structures, queries, indexes, and stored procedures.
Implement and maintain distributed caching solutions using NCache or similar technologies.
Participate in architecture discussions focused on scalability, reliability, and performance.
Contribute to monitoring, troubleshooting, production issue resolution, and application security and maintainability.
Collaborate with developers, QA engineers, DevOps specialists, product stakeholders, and international teams.
Support integration of a new e-commerce platform into the main marketplace ecosystem.

At least 4 years of commercial software development experience with .NET and C#.
Familiarity with .NET Framework 4.8.
Strong understanding of object-oriented programming, system design, and software architecture.
Hands-on experience with MSMQ and WCF or similar technologies.
Knowledge of SQL Server, relational database design, query optimization, indexing, and T-SQL.
Experience with distributed caching solutions such as NCache or similar tools.
Understanding of distributed systems and event-driven architecture principles.
Experience with unit, integration, and performance testing.
Familiarity with scalability, security, high availability, and performance optimization requirements.
At least Upper-Intermediate English proficiency.

C#Microsoft SQL Server

1,001-5,000 employees