Backend Engineer (.NET/C#)

Backend Engineer (.NET/C#) — Freelance via Shakers

A leading global tech company is looking for a Backend Engineer (.NET/C#) to join an internal-products team powering critical business operations. Fully freelance role, contracted through Shakers.

What you'll do

- Develop and own backend features end-to-end on internal products: design, implementation, delivery, monitoring in production. - Participate actively in architectural discussions and code reviews. - Translate business requirements (with PMs) into scalable, event-driven solutions. - Optimize PostgreSQL schemas and query performance. - Collaborate with Design and Frontend to define robust API contracts. - Build and maintain background processing and asynchronous workflows.

Stack .NET (C#) · PostgreSQL · Azure Service Bus · Hangfire · Azure · Terraform (nice to have) · DDD (nice to have)

Must-have

- 3–5 years building and deploying web applications. - Strong .NET/C# with solid OOP foundations. - Proficiency with PostgreSQL: efficient queries and schema optimization. - Hands-on with background jobs (Hangfire) and event-driven architecture with message brokers (Azure Service Bus or similar). - Automated testing (unit + integration) and CI/CD pipelines. - Understanding of distributed systems. - Proficiency in English and Portuguese.

Nice-to-have

- Domain-Driven Design (DDD). - Microsoft Azure + Terraform (IaC). - Other message brokers (RabbitMQ).

Conditions

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100% freelance via Shakers. -

Hybrid Porto - ⏱ Duration: +6 months, long-term project, full-time dedication.

Apply through Shakers — freelance tech talent platform.