Remote Backend .NET Engineer — FinTech, Scaled & Secure

VFX Financial; United States; Hybrid; USD 67,000 - 101,000; Full time

Benefits offered by this job

Profit Share

CSOP

Learning Budget

All-expenses Trip Abroad

Job summary

VFX Financial is seeking a detail-driven Back-End Software Engineer to join the engineering team. You will design and evolve enterprise-grade backend services powering multi-currency, payments, and treasury workflows.

The role is hybrid at our Portimao office or remote across Portugal, offering a career with strong security, scalability, and regulatory compliance in a FinTech setting. Ideal candidates bring 3–5 years of .NET experience, proficiency in REST APIs, CQRS, and testing frameworks.

Qualifications

• Hands-on experience delivering scalable, production-grade .NET applications.
• Strong understanding of domain-driven design (DDD) and CQRS.

Responsibilities

• Architect, implement, and test high-quality .NET applications with focus on performance, reliability, and scalability.
• Translate complex requirements into robust technical solutions and maintain existing systems.
• Collaborate in Agile ceremonies, participate in code reviews, and produce documentation.

Skills

.NET development

DDD/CQRS

REST APIs

Unit testing

Communication

Tools

SQL Server

Git

Jira

Azure Service Bus

gRPC

NUnit

xUnit

NSubstitute

Moq

CI/CD

Job description

VFX Financial is seeking a detail-driven Back-End Software Engineer to join the engineering team. You will design and evolve enterprise-grade backend services powering multi-currency, payments, and treasury workflows.

The role is hybrid at our Portimao office or remote across Portugal, offering a career with strong security, scalability, and regulatory compliance in a FinTech setting. Ideal candidates bring 3–5 years of .NET experience, proficiency in REST APIs, CQRS, and testing frameworks.