Senior / Middle .NET Developer

Join a team building a large-scale marketplace platform used by millions of customers worldwide. We are looking for a .NET Developer with strong expertise in distributed systems, cloud-native technologies, and event-driven architecture to help evolve a modern E-commerce ecosystem.

Customer

Our Customer is an industry-leading marketplace specializing in pet products, with a strong online presence and a massive product catalog. The company focuses on delivering seamless digital shopping experiences through scalable technology solutions and reliable operational systems supporting millions of users and transactions.

Project

The project focuses on the development and optimization of a high-performance marketplace platform designed to enhance the online shopping experience. The team is responsible for core systems managing catalogs, pricing, inventory, suppliers, and related operational services.

The platform is built as a large-scale distributed ecosystem leveraging event-driven architecture, cloud-native infrastructure, and multiple data storage technologies to ensure scalability, low latency, and fault tolerance across substantial data volumes.

Responsibilities

• Design, develop, and maintain robust backend solutions using the .NET Framework (4.8)
• Take full ownership of features throughout the entire lifecycle - from requirements breakdown to production deployment
• Write clean, maintainable, and well-tested code following best engineering practices
• Maintain, optimize, and troubleshoot messaging and service-oriented architectures built with MSMQ and WCF
• Design, optimize, and maintain complex queries and database structures in SQL Server
• Implement and manage distributed caching strategies using NCache to ensure high availability and low latency
• Collaborate closely with cross-functional teams 

Requirements

• 4+ years of software development experience with strong OOP, system design, and architectural skills
• Solid knowledge of .NET Framework 4.8 and C#
• Hands-on experience with MSMQ and WCF
• Solid knowledge of SQL Server (experience with relational database design, query optimization, indexing, and T-SQL)
• Proven experience with NCache or similar distributed caching solutions
• Understanding of modern testing principles (unit, integration, and performance testing)
• Familiarity with non-functional system requirements (performance tuning, security, scalability, and high availability)
• Upper-Intermediate English level or higher