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Joaquin Sosa

@joaquinsosa

Backend Developer at Evoltis who built serverless AWS workflows and REST APIs with .NET.

Argentina
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At Evoltis, I developed and maintained serverless backend logic for EVA, an Amazon Transcribe Post Call Analytics project, using AWS Lambda and DynamoDB. I also worked on React components and resolved production issues across the frontend, API, and authorization flow.

For EVA, I proposed and implemented unified authorization logic, removing redundant hardcoded permissions. I also managed CloudFormation deployments for corporate clients and adapted Bitbucket Pipelines for automated deployment.

At CIDS, I focused on backend .NET development for Crisalis, designing and implementing REST endpoints with ASP.NET Core Web API, EF Core, and layered architecture. I contributed to a production microservices architecture and developed unit and integration tests with xUnit and Moq.

At CIDS, I also led the migration of EPEC's critical incidents module to a new Angular project, implementing a Backend-Driven UI. I'm currently designing a personal .NET 9 API with Clean Architecture, CQRS, DDD, and test-driven development.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

Universidad Tecnológica Nacional (UTN) logoUU

Universidad Tecnológica Nacional (UTN)

Ingeniería en Sistemas de Información, Sistemas de Información

Grade: 8.72/10

Completed Ingeniería en Sistemas de Información with a general average of 8.72/10.

University of Alberta logoUA

University of Alberta

Service-Oriented Architecture, Service-Oriented Architecture

Completed a course on Service-Oriented Architecture.

CE

CertiProf

Scrum Foundations Professional Certificate (SFPC), Scrum

Earned the Scrum Foundations Professional Certificate (SFPC).

Stanford University logoSU

Stanford University

Machine Learning, Machine Learning

Completed a course on Machine Learning.

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