Senior .NET Developer

Quick Facts

• Role: Senior .NET Developer

• Focus: Backend development and modernization of a distributed e-commerce & logistics platform

• Work model: 100% remote or Warsaw office (quarterly in-person meetings)

Description

You will develop and modernize the core platform, including transformation toward a modern distributed architecture. The role includes building key e-commerce and logistics components, making architectural and technical decisions, ensuring high code quality (code review, unit/integration tests), and optimizing performance and reliability.

Responsibilities

• Develop and modernize the main system and participate in its transformation to a distributed architecture

• Build key platform components for e-commerce and logistics

• Drive key architecture/technology decisions within your domain

• Maintain high code quality via code review and unit/integration testing

• Optimize performance and reliability of existing systems

Requirements

• Minimum 4 years of commercial experience in .NET application development (prefer .NET 8)

• Very strong C# and ASP.NET Core knowledge

• Experience with microservices architecture and RESTful APIs

• Practical knowledge of relational databases (e.g., PostgreSQL) and non-relational systems (e.g., Redis)

• Experience with messaging/queue systems (e.g., RabbitMQ, Kafka)

• Clean, testable code mindset and knowledge of best practices (SOLID, DDD)

• Proactive, independent attitude and willingness to share knowledge

Benefits

• Salary: 18,000–22,000 PLN net (+VAT) on B2B contract or employment contract (UoP), depending on experience

• Real impact and autonomy in a small, highly effective team

• Work with modern technologies, including R&D projects and AI-based solutions

• MacBook Pro or other required equipment

• Private medical care, Multisport card, and 15% discount on purchases

• Open communication culture, partnership, and healthy work-life balance

• Guaranteed paid time off