AWS IoT Back-end Engineer

• 4+ years in backend, integration or solutions engineering, with strong C# / .NET (ASP.NET Core).

• Solid PostgreSQL experience: schema design, migrations, query tuning.

• EF Core is a plus.

• Hands-on AWS experience in production: S3, IAM, Secrets Manager, App Runner or ECS, CloudWatch.

• You can read and change IaC.

• Experience designing and consuming REST APIs, and writing unit and integration tests.

• Strong written and spoken English.

• You can run a technical call with a vendor, then document what was agreed.

• A customer-minded, ownership-driven approach: you follow a problem from the first report to the fix.

Responsabilidades: • Rework and configure the existing AWS IoT Core infrastructure for new hardware/firmware.

• Configure and manage MQTT communication between devices and AWS.

• Build monitoring capabilities and dashboards for device connectivity, health, and status.

• Enable secure remote actions on devices, including: • OTA firmware updates

• Device restarts

• Remote commands/configuration

• Review and improve AWS IoT device provisioning, authentication, certificates, policies, and security.

• Migrate AWS workloads that are reaching end-of-life or are no longer appropriate, including migrating services from AWS App Runner to ECS.

• Support and improve AWS infrastructure, deployment pipelines, monitoring, logging, and alerting.

• Migrate the current email infrastructure from AWS to Microsoft Azure while ensuring existing AWS applications and automated email workflows continue working without disruption.

• Work with the existing engineering team to understand the current architecture and safely execute infrastructure changes.

Deseable: • Experience with IoT device fleets, telemetry or OTA update systems (MCUboot, firmware signing, rollback and rollout strategies).

• Python (FastAPI, boto3, pytest) and AWS CDK in Python.

• Experience with AWS Lambda and Step Functions, or ML pipelines.

• Observability: alarms, dashboards, structured logging.

• Next.js / React for small internal tools.

• Security-minded engineering: least-privilege IAM, secrets handling, input validation.

Beneficios: Contrato a largo plazo.

• 100% Remoto.

• Vacaciones y PTOs.

• Posibilidad de recibir 2 bonos al año.

• 2 revisiones salariales al año.

• Clases de inglés.

• Equipamiento Apple.

• Plataforma de cursos en linea.

• Budget para compra de libros.

• Budget para compra de materiales de trabajo.

• Mucho más..

• Contrato a largo plazo.

• 100% Remoto.

• Vacaciones y PTOs.

• Posibilidad de recibir 2 bonos al año.

• 2 revisiones salariales al año.

• Clases de inglés.

• Equipamiento Apple.

• Plataforma de cursos en linea.

• Budget para compra de libros.

• Budget para compra de materiale…