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# Backend Engineer (.NET, Cloud & APIs)

- **Company:** VORTECH PCI GROUP
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, C Sharp (Programming Language), Cloud Computing, Software Quality, Databases, Continuous Integration, Amazon DynamoDB, Github, Identity and Access Management, Internet Information Services (IIS), PostgreSQL, MySQL, NoSQL, Octopus Deploy, Prometheus, Software Engineering, Datadog, .NET Core, Grafana, Backend, AWS ECS, Git, Containerization, Kubernetes, Infrastructure Automation Frameworks, AWS Fargate, Apache Kafka, Event Sourcing, Cloudwatch, Api Gateway, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Docker, Pagerduty, Service Stack, Jenkins
- **Published:** September 24, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

S3; DynamoDB; EventBridge; EC2; ECS, EKS, Fargate; ALB/NLB; SNS; SQS; CloudWatch; IAM; Lambda; API GateWay;
Experience using Terraform for infrastructure provisioning. MUST
Event Sourcing: Idempotency; SRE; Observability (Datadog, Grafana, Prometheus, PagerDuty) Desired
Other Technologies: Octopus; Git (Github, Github Actions); SpaceLift; Various .Net Testing Frameworks; IIS; Docker Desired
What You'll Bring To Us:
+7 years of experience with .NET (C#)
Proficiency in databases (MySQL, Postgres, NoSQL).
Experience in Continuous Integration and Delivery Tools: Kafka, Docker, Kubernetes, Git, Jenkins
Proficiency in AWS (using, deploying and maintaining services)
Proficiency in Terraform
Familiarity with API creation and RESTful services
Excellent written and verbal English communication skills
Proactivity and capacity to bring well thought solutions

## Description

This position allows you to join a fast-growing technology organization redefining productivity paradigms in the software engineering industry. If you are passionate about technology and want to learn about new trends shaping human behaviour, this opportunity is for you.
As a Senior .NET Engineer, you will contribute to the development of various platforms and applications and collaborate with cross-functional teams to define new solutions.
The Impact You'll Make:
Develop and maintain backend services in .NET (C#) using both .NET Core and legacy .NET Framework.
Lead and execute migration of legacy services to cloud-native solutions using AWS.
Implement and manage infrastructure as code using Terraform.
Containerize and deploy services on AWS ECS / Fargate.
Maintain and support live environments and CI/CD pipelines.
Ensure software quality, performance, and reliability during development and deployment cycles.
Technology Stack (Main Technologies):
.Net (C#) MUST
Comfortable working with and modernizing legacy .NET Framework applications, as well as developing and supporting .NET Core applications.