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I am a responsible and detail-oriented Systems Engineer with over 7 years of experience in software development, including .NET (C#, ASP.NET Core), Angular, and AWS Lambda. I design microservice architectures, CI/CD automation, and modernize legacy systems. I value clean, scalable code, strong analytical thinking, and adaptability, and I enjoy collaborating with teams to deliver robust, user-focused solutions.…I am a responsible and detail-oriented Systems Engineer with over 7 years of experience in software development, including .NET (C#, ASP.NET Core), Angular, and AWS Lambda. I design microservice architectures, CI/CD automation, and modernize legacy systems. I value clean, scalable code, strong analytical thinking, and adaptability, and I enjoy collaborating with teams to deliver robust, user-focused solutions.

Johann Fernando Bolívar Arias

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I am a responsible and detail-oriented Systems Engineer with over 7 years of experience in software development, including .NET (C#, ASP.NET Core), Angular, and AWS Lambda. I design microservice architectures, CI/CD automation, and modernize legacy systems. I value clean, scalable code, strong analytical thinking, and adaptability, and I enjoy collaborating with teams to deliver robust, user-focused solutions.…I am a responsible and detail-oriented Systems Engineer with over 7 years of experience in software development, including .NET (C#, ASP.NET Core), Angular, and AWS Lambda. I design microservice architectures, CI/CD automation, and modernize legacy systems. I value clean, scalable code, strong analytical thinking, and adaptability, and I enjoy collaborating with teams to deliver robust, user-focused solutions.

Available to hire

I am a responsible and detail-oriented Systems Engineer with over 7 years of experience in software development, including .NET (C#, ASP.NET Core), Angular, and AWS Lambda. I design microservice architectures, CI/CD automation, and modernize legacy systems.

I value clean, scalable code, strong analytical thinking, and adaptability, and I enjoy collaborating with teams to deliver robust, user-focused solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Intermediate

Work Experience

Aurion Developer at Tachyus Colombia

September 1, 2025 - October 26, 2025

Refactored legacy Windows services to a layered architecture. Created Argo Workflows for background processes to generate gas and oil platform data. Fixed and optimized F# code for fits, predicts, and workflows data processing. Updated Python methods for Matlab process execution. Built new Web APIs for generating templates and workflow reports.

.NET Developer at Bosonic Peru

May 1, 2025 - October 26, 2025

Refactored core classes to align with SOLID principles. Completed pending CRM features for Peru government internal projects. Fixed bugs and enhanced Angular-based UI components.

Senior Developer at Hiberus Spain

July 1, 2024 - October 26, 2025

Led digitization integration to automate document reading workflows. Implemented Hangfire job management and improved system traceability.

Senior Developer at Ditech Spain

December 1, 2023 - October 26, 2025

Modernized legacy Windows services with modular architecture. Developed background job orchestration and tracing improvements.

Senior Architect at Globant (ShopCat) Remote

June 1, 2021 - October 26, 2025

Deployed and developed microservices for VTEX sales platform integration. Built features allowing Chatbot orders and catalog interactions via ShopChat.

Developer Architect at Ceiba Software (Tutorship Project) Remote

December 1, 2020 - October 26, 2025

Designed architecture for microservice-based tutoring app (C#, Angular, MongoDB). Created CI/CD pipelines and led a team of 3 developers.

Junior Development Engineer at Intergrupo Colombia

June 1, 2019 - October 26, 2025

Customized and extended CRM Dynamics 365 modules for Internexa, including multilingual billing and client management. Created plugins and workflows aligned with business rules and security roles. Developed and supported EPM’s water billing module using CRM Dynamics 365. Delivered SQL Server stored procedures and data pipelines for Bancolombia’s investment area.

Programmer Analyst at Ilimitada S.A.S. Colombia

November 1, 2017 - October 26, 2025

Designed and maintained accounting and transactional software in Delphi XE3 and Pervasive/BTrieve. Developed WCF communication services and C# backend modules for non-relational data extraction. Created functional prototypes using Embarcadero technologies (LiveBindings, DataSnap). Built interactive Windows 8 applications following MVVM architecture.