Job Title: Principal Engineer — Full Stack, Cloud & AI

Location: Medellín, Colombia

Type of Contract: 6-Month Contract-to-Hire | Full-Time upon mutual agreement

Salary Range: Market Rates

Language Requirements: Advanced English (Professional Written and Verbal Communication)

We are seeking a skilled Principal Engineer with deep expertise in Full Stack Development, Cloud Architecture, and AI-powered applications to join our growing team. You will play a key role in designing and scaling a multi-tenant SaaS platform while leading engineering standards, technical decision-making, and development execution across distributed teams. Your work will directly impact product delivery, platform scalability, client success, and the company's long-term technology strategy.

Key Responsibilities
- Own the technical architecture of the company's SaaS platform, designing, implementing, and evolving systems as the product scales toward commercial release.
- Write production-grade code daily across .NET (C#), React, Azure services, APIs, and data-driven applications.
- Lead, mentor,



and provide technical direction to engineering teams across onshore and offshore environments.
- Establish and enforce engineering best practices, coding standards, architecture principles, and development processes.
- Design and implement secure multi-tenant SaaS architectures, including RBAC and SBAC authorization models.
- Build and integrate AI-powered capabilities including LLM orchestration, RAG pipelines, agentic workflows, MCP-based architectures, and intelligent automation solutions.
- Produce and maintain architecture documentation, technical diagrams, API specifications, ADRs, operational runbooks, and implementation guides.

Must-Have Qualifications
- 10+ years of professional software engineering experience with demonstrated architect-level ownership and decision-making.
- Extensive experience building enterprise applications using .NET/C#, React, SQL Server, and Microsoft Azure service

📌 Principal Engineer — Full Stack, Cloud (Medellín)
🏢 Nearshore Business Solutions
📍 Medellín