.NET Back End Developer - AWS

At Winning Consulting we are looking for a

Senior Backend Engineer (.NET / AWS)

to join an international delivery team building and operating API-driven backend services. From Spain

Responsibilities

Design, build and maintain backend services and APIs within the

C#/.NET ecosystem

(development, troubleshooting, debugging and service operations). Deliver and operate serverless workloads on

AWS

, contributing to solutions using

API Gateway, Lambda, DynamoDB and S3

. Implement and maintain

API security

practices: authentication/authorization, middleware, secure configuration, secrets management and access controls. Contribute to reliable deployments and operational excellence through

Infrastructure as Code (Terraform)

. Ensure production readiness through

observability and operations

, using

CloudWatch logs, metrics and alarms

to monitor, troubleshoot and improve system reliability.

Requirements 5–7 years

of experience in backend engineering Strong

C#/.NET API experience

(drivers, services, debugging, troubleshooting). Solid understanding of

API design

(REST principles, versioning, error handling, performance). Hands-on or strong fundamentals in

AWS serverless

(API Gateway, Lambda, DynamoDB; S3 is a plus). Experience with operational monitoring and incident troubleshooting using

CloudWatch logs/metrics/alarms

. English fluent mandatory

Sobre Winning Consulting En Winning Consulting, impulsamos la transformación de nuestros clientes mediante consultoría, formación, selección, y investigación. Aplicamos pensamiento científico y metodologías probadas para generar valor sostenible. Más info: