Senior Backend Developer
Lean TechMedellĂn, Antioquia, Colombia
Posted June 2, 2026
Full Time
About the Company
Global Technology Services is a rapidly expanding organization situated in MedellĂn, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors.
Job Description
We are seeking a highly skilled Senior Backend Engineer with deep expertise in modern C#/.NET development, event-driven architectures, and cloud-native distributed systems. In this role, you will design and build scalable backend platforms that power mission-critical financial and operational workflows.
Requirements
- 5+ years of professional C# /.NET
- Production experience with ASP.NET Core (any 6.x / 7.x / 8.x)
- Experience with Event-driven and event-sourced systems
- Hands-on experience with at least one event-sourcing or CQRS framework
- Experience with Message-bus engineering
- Experience with REST APIs and best practices
- Experience with PostgreSQL or related
- Experience with observability tools like Datadog
- Experience with ECS / EKS / Lambda, IAM, VPC networking, ALB target groups, and SQS/S3 access patterns
Benefits
- Professional development opportunities with international customers
- Collaborative work environment
- Career path and mentorship programs
- Join a powerful tech workforce and help us change the world through technology