Job VC

We are looking for an experienced
Lead/Senior .NET Engineer
to join a long-term modernization initiative focused on transforming a large-scale enterprise platform from .NET Framework 4.8 to .NET 10. This is a hands-on engineering role where you'll work on modernizing backend architecture, migrating legacy components, improving code quality, and preparing the platform for cloud-native deployment on AWS. You'll collaborate with experienced engineers in an Agile environment while helping shape the future architecture of a mission-critical system.

Responsibilities
:
Drive the migration of a large enterprise application from .NET Framework 4.8 to .NET 10.
Modernize backend services and replace legacy Windows-specific dependencies with cross-platform solutions.
Migrate a large Entity Framework 6 data model to EF Core 8, one bounded context at a time.
Refactor legacy code following modern architecture principles and best engineering practices.
Improve automated testing by introducing unit test coverage and quality gates.
Collaborate with DevOps engineers on containerization, Docker configuration, and AWS deployment.
Participate in architecture discussions, code reviews, technical planning, and Agile ceremonies.

Requirements
:
5+ years of commercial experience with C#/.NET backend development.
Strong expertise with ASP.NET, ASP.NET Core, and modern .NET.
Proven commercial experience migrating applications from .NET Framework to .NET Core / .NET 8+.
Strong experience with Entity Framework Core.
Good understanding of DDD, CQRS, and layered architecture.
Experience building containerized applications using Docker.
Solid knowledge of xUnit, Moq, and automated testing practices.
Experience deploying .NET applications to AWS ECS/Fargate and working with ECR.
Experience with RabbitMQ, MassTransit, or similar messaging technologies.
Experience with Hangfire or other background job processing frameworks.
Strong Git workflow and experience working in Agile teams.

Nice to have:
Experience designing and maintaining CI/CD pipelines.
Familiarity with Angular applications or micro-frontend architecture.
Experience implementing automated code coverage in CI.
Knowledge of performance optimization and scalable distributed systems.

We offer*:
Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits
*not applicable for freelancers