RemoteYeah
J
jscardenas's photo
Juan Sebastian Cardenas Gómez
From Colombia 01:26 PM (GMT-05:00)
$30/hr or $60,000/yr
Active over a week ago
Member since Feb 2026

Share this profile:

Senior Backend Engineer (.NET) | High-Availability Systems | Microservices | Technical Leadership | Enterprise Modernization

Back-end Engineer
Available for hire
Years of experience
15+ years
Experience level
Senior
Available for
Full-time, Contract
Available from
23 Jun 2026
Download Resume / CV

Senior Backend Engineer with 12+ years of experience designing and maintaining high-availability transactional systems in regulated and enterprise environments.

Strong background in .NET ecosystem, secure REST API design, microservices architecture, and large-scale system integrations. Experienced in modernizing legacy platforms and improving system resilience, scalability, and operational stability.

Have collaborated with cross-functional teams and led technical initiatives involving third-party vendors and distributed systems. Comfortable taking ownership of critical backend components and supporting mission-critical workloads.

Focused on reliability, clean architecture, security (OAuth2/JWT), and performance-conscious design decisions.

Experience designing resilient backend systems with clean architecture principles and secure authentication flows.

Skills

Scrum SQL SOAP Docker REST JIRA Microservices JWT MongoDB Git Agile CI/CD MVC Test Driven Development Web services Web security OAuth Domain Driven Development MS SQL Server Oracle .NET Message queues C#

Languages

English Spanish

Employment History

Senior Software Developer at Seguros Comerciales Bolivar S.A. 2021 - 2026
Developed and maintained enterprise-grade electronic invoicing and EDI platforms using C# and .NET | Contributed to high-availability transactional systems operating in regulated environments| Participated in integration projects involving SOAP and REST-based services | Supported migration initiatives, including modernization of BizTalk-based solutions | Worked with MSMQ-based messaging flows to improve decoupling and system reliability | Designed database solutions using MS SQL Server for large-scale enterprise applications | Collaborated with cross-functional teams and third-party vendors to ensure system stability and compliance | Applied clean architecture principles and performance-conscious design decisions.
Senior Software Development Engineer at Fanalca S.A. 2020 - 2021
Designed and enhanced microservices using .NET Core (2.1 and 3.1) for credit assignment processes | Implemented RESTful APIs aligned with microservices architecture principles | Integrated relational and non-relational databases (SQL Server, Oracle, MongoDB) | Contributed to CI/CD pipelines and containerized deployments using Docker | Ensured maintainability and performance within distributed system components
Senior Services and Hosting Engineer at Juniper - Innovating Travel Technology 2019 - 2020
Contributed to a global travel API aggregation platform integrating airlines, hotels, and car rental providers | Developed backend services using VB.NET (.NET Framework) within a large-scale enterprise ecosystem | Standardized heterogeneous third-party APIs into unified internal services | Improved reliability and maintainability of distributed integrations | Maintained and optimized relational database structures supporting high-traffic transactional systems
Senior Software Engineer at Carvajal Tecnología y Servicios 2010 - 2019
Developed and maintained enterprise-grade electronic invoicing and EDI platforms using C# and .NET | Contributed to high-availability transactional systems operating in regulated environments | Participated in integration projects involving SOAP and REST-based services | Supported migration initiatives, including modernization of BizTalk-based solutions | Worked with MSMQ-based messaging flows to improve decoupling and system reliability | Designed database solutions using MS SQL Server for large-scale enterprise applications | Collaborated with cross-functional teams and third-party vendors to ensure system stability and compliance | Applied clean architecture principles and performance-conscious design decisions

Education

Bachelor’s Degree in Computer Engineering at Fundación Universitaria Católica del Norte 2013 - 2015
Associate Degree in Information Systems Technology at Universidad del Valle 2007 - 2012
Report this profile
Browse more Back-end Engineer profiles