This is a greenfield-on-legacy engagement: decomposing a monolithic.NET Framework 4.8 / VB.NET codebase into five independently deployable ASP.NET Core services, while preserving every regulatory workflow FDIC-supervised banks depend on at filing time.

Responsibilities
- Oversee the decomposition of the existing codebase into independently deployable backend services
- Drive architectural decisions and shape the technical direction across the migration workstreams
- Guide and mentor a small team of engineers, ensuring alignment on standards, patterns, and delivery goals
- Collaborate with stakeholders to translate regulatory workflow requirements into scalable technical solutions
- Design and implement backend services that support multi-tenant use cases with strict data isolation
- Take an active part in code reviews and enforce high standards of code quality and maintainability
- Identify and mitigate technical risks throughout the migration lifecycle
- Coordinate deployment activities and ensure services operate reliably in containerised environments




- Contribute to continuous improvement of engineering practices, tools, and delivery workflows

Requirements:
- At least 5 years of professional relevant experience in backend.NET engineering, with demonstrable experience leading a team of 2 to 4 engineers
- Background designing and delivering multi-tenant SaaS backends with per-tenant data isolation
- Hands-on delivery of microservices running on Kubernetes
- Senior-level proficiency in C# and ASP.NET Core (Current)
- Applied experience with Entity Framework Core, including general query filters, optimistic concurrency, and migration management
- Working knowledge of PostgreSQL covering schema design, Row-Level Security, and multi-tenant patterns
- Practical experience with OAuth 2.0 and OIDC server-side flows using Microsoft.Identity.Web, along with JWT issuance and validation
- Hands-on experience with Docker and Kubernetes, including ownership of service manifest

📌 Lead .NET Engineer (México)
🏢 Epam Systems
📍 México