Senior Backend Engineer

JOB DESCRIPTION

FCamara is looking for a Senior Backend Engineer to design and evolve scalable backend systems within a modern .NET ecosystem. You will lead the implementation of workflow-heavy backend services - covering onboarding, relationship management, orchestration, and integrations - within a microservices-based architecture, while helping drive engineering quality and architectural consistency across the team.

RESPONSIBILITIES AND ASSIGNMENTS

• Design and implement scalable backend systems using C# and .NET
• Lead technical design for REST APIs and workflow-heavy services
• Drive clean architecture and maintainable backend design across distributed microservices
• Break down large workflows into reusable services and components
• Review code, mentor engineers, and improve engineering standards
• Ensure systems are resilient, transactional, and production-ready
• Work closely with product managers and frontend engineers on API and workflow design

REQUIREMENTS AND QUALIFICATIONS

• 6+ years of backend engineering experience
• Strong expertise in C# and .NET
• Experience designing production-grade REST APIs and backend workflows
• Strong understanding of clean architecture and separation of concerns
• Deep experience with Entity Framework, SQL, and relational databases
• Experience handling concurrency, idempotency, and transactional consistency
• Experience with Azure and/or AWS cloud platforms and distributed microservices architectures
• Strong debugging, architecture, and problem-solving skills
• Fluency in English

Nice to Have:

• Experience in banking, fintech, CRM, or customer onboarding platforms
• Experience with matching engines, orchestration workflows, or distributed systems
• Experience mentoring engineers and leading technical initiatives
• Fluency in Portuguese

ADDITIONAL INFORMATION

• Fully remote
• Multinational, multicultural team - collaborate with talented engineers across different backgrounds and geographies
• Real challenges and ownership. Work on complex, high-stakes systems where your technical decisions genuinely matter

Elegibility: Due to legal requirements, candidates must hold a valid EU or Brazilian passport to be considered for this role.

Transformamos mundos sonhados em trajetórias reais.🧡🚀

Aqui somos #SangueLaranja!

Estamos há 17 anos no mercado, lado a lado com nossos clientes, proporcionando experiências transformadoras. 

Somos um ecossistema de tecnologia e inovação, com expansão global; Além do Brasil estamos presentes na Europa e Reino Unido com escritórios em Portugal, Londres, Dubai e Holanda. 🌎

F de Formação: acreditamos na prática da cultura do compartilhamento, no senso de comunidade, e que o conhecimento

tem o poder da transformação!

Possuímos iniciativas, e ações sociais, que promovem o desenvolvimento, como a comunidade tech Orange Juice, o Programa de Formação,

nossa escola de liderança e diversas parcerias com ONGs e Edtechs. 

Na FCamara todos são bem-vindos, para nós, Diversidade, Respeito e Ética, são elementos inegociáveis e fazem parte do nosso DNA. 

E aí, está pronto para fazer parte de um time incrível e ser protagonista da própria história?