We are looking for a full-time Senior Software Engineer to help design, develop, deploy, and scale microservices and infrastructure powering our high-performance platforms.

This is a hybrid position based in Medellín, Colombia.

While the ultimate goal of this role is to bridge into real-time Voice AI applications and advanced workflows, prior production experience in Voice AI or Salesforce Health Cloud is NOT a strict requirement. We are looking for a strong full-stack / backend engineer with a deep understanding of high-performance system design, low-latency architectures, and a strong commitment to software quality.

Key Information & Core Stack
- Infrastructure: Cloud-based (AWS) and Enterprise Platforms (Salesforce ecosystems).
- Role Orientation: Highly QA-leaning (strong focus on testing, reliability, and robust engineering practices) and Architect-leaning (low-latency systems design).
- Domain Focus: Real-time infrastructure (Voice Infra) and workflow management within regulated environments.

Primary Job Duties
- System Architecture:



Leverage cloud-based service providers (AWS) and enterprise platforms (Salesforce) to design and implement production-caliber applications for real-time data processing and administrative self-service workflows.
- Performance Optimization: Ensure real-time performance of infrastructure, implementing specific optimizations for low-latency data processing and reliable conversational interactions.
- Quality & Reliability (QA-Leaning): Advance software engineering practices by developing automated tests, establishing end-to-end testing guidelines, and contributing to the ongoing improvement of telemetry and system reliability monitoring.
- Compliance: Ensure compliance with strict data security regulations while deploying scalable solutions that mitigate bias and improve platform accessibility.
- Cross-Functional Collaboration: Coordinate product improvements impacting day-to-day operations by working alongside implementation, ope

📌 Senior Software Engineer (Medellín)
🏢 Tesoro AI
📍 Medellín