Mid Backend Enginer (Portugal or United Kingdom)

FCamara is looking for a Mid Backend Engineer to design and evolve scalable backend systems within a modern .NET ecosystem. You will work on customer-centric platforms involving onboarding workflows, orchestration, and integrations across internal and external systems within a microservices-based architecture.

We are looking for candidates located in Portugal or the United Kingdom, due to the time zone alignment with the client.

Responsibilities

• Build and maintain backend APIs and services using C# and .NET
• Work within a clean architecture and microservices-based ecosystem using UseCases, repositories, and domain entities
• Design and implement backend workflows and REST APIs
• Write maintainable, testable, and production-ready code
• Participate in code reviews and technical discussions
• Work with SQL databases, Entity Framework, and transactional workflows
• Collaborate with frontend engineers on multi-step workflows and API contracts

Requirements

• 3+ years of backend engineering experience
• Experience working in the banking, fintech or financial industries and/or products
  
• Strong experience with C# and .NET
• Experience building REST APIs
• Good understanding of clean architecture or layered architecture
• Experience with Entity Framework, SQL, and relational databases
• Familiarity with Azure and/or AWS cloud platforms and microservices-based systems
• Strong problem-solving and debugging skills
• Fluency in English

Nice to Have:

• Experience in CRM or onboarding platforms
• Understanding of concurrency, idempotency, and workflow orchestration
• Experience with distributed systems and cloud-native services