CareerPlan

(0199) -Senior Backend Developer .NET

Puebla, Puebla, MexicoFull-time2026-10-09 → 2026-11-11

Core

Design, develop, and optimize high-performance .NET backend applications and APIs for clients in automotive, financial, and telecom sectors.

Role type

Senior Backend Developer (.NET)

Builds

Scalable microservices, RESTful APIs, and cloud-based solutions on AWS.

Domain

Software Engineering / Cloud Services

Deliverable

production ML models | product features

Required skills

.NET Core / .NET 6+, C#, ASP.NET Web API, SQL Server, Dapper/ADO.NET, Microservices, AWS (SQS, S3, Secrets Manager), JWT/OAuth, API Gateways (Ocelot), Unit & Integration Testing, Legacy System Modernization

Preferred skills

Spring Boot, English (Intermediate)

Technologies

.NET, C#, SQL Server, Dapper, AWS, Ocelot, Polly, JWT, OAuth

Responsibilities

Develop and maintain APIs with .NET Core/6+; Implement authentication/authorization via JWT/OAuth; Optimize SQL Server queries; Design resilient microservices; Utilize AWS services; Collaborate on API Gateway implementation; Write unit and integration tests; Modernize legacy systems; Ensure application security.

Seniority

Senior, hands-on IC