This job has been archived and is no longer active.
Location: Poland or EU
Experience: 3–5 years
Format: Remote / office in Warsaw / hybrid
Elinext is an international IT company specializing in software development and integration for customers worldwide. We help businesses build reliable, scalable, and modern digital solutions across a wide range of industries.
We are looking for a Senior .NET Developer to join a long-term project in the financial services / receivables management domain. The product is focused on debt collection and debt management services, supporting processes related to consumer debt, mortgage-backed debt, and corporate debt.
In this role, you will work on backend solutions in a complex business environment, contributing to the design and development of scalable distributed systems and business-critical services.
Design and develop backend services using C# / .NET
Build and maintain REST APIs with ASP.NET Core
Apply Domain-Driven Design (DDD) principles, including bounded contexts and ubiquitous language
Design and develop microservices, ensuring service autonomy and proper inter-service dependency management
Work with event-driven architecture, including event production, consumption, and eventual consistency patterns
Implement messaging solutions with RabbitMQ, including exchange / queue configuration, publish-subscribe patterns, retries, and dead-letter handling
Contribute to system reliability, maintainability, and performance in a distributed environment
Collaborate with the team on architecture, technical design, and implementation decisions
3–5 years of commercial experience in .NET development
Strong knowledge of C# / .NET
Hands-on experience with ASP.NET Core and REST API development
Good understanding of Domain-Driven Design (DDD)
Experience with microservices architecture
Experience with event-driven systems
Strong practical knowledge of RabbitMQ
Ability to work with distributed systems and solve complex backend challenges
Good communication skills and a proactive engineering mindset
Small-company feel within a fast-growing international environment
Friendly, collaborative, and mission-driven team
Health & retirement benefits
Vacation plus 5 additional paid sick days
Medical insurance
Discounts in various establishments depending on the country
Monetary bonuses for important life events
Long-service benefits, including additional vacation days and other perks
Corporate events and team-building activities
Corporate English courses
Support with professional certifications and reimbursement for professional courses and training
Archived on: 6/3/2026
