Principal Engineer — AI-Driven Cloud & Full-Stack

Nearshore Business Solutions; Colombia; On-site; COP 291,300,000 - 388,400,000; Full time

Benefits offered by this job

Lead technical leader

Executive collaboration

AI & cloud exposure

Strategic impact

Job summary

Nearshore Business Solutions in Medellín, Colombia, seeks a Principal Engineer—Full Stack, Cloud & AI to own the SaaS platform architecture and guide scaling toward commercial release. You will write production-grade code across .NET/C#, React, and Azure, while leading onshore and offshore teams and enforcing best practices.

You will design secure multi-tenant architectures with RBAC/SBAC, implement AI capabilities including LLM orchestration and RAG pipelines, and produce comprehensive

Qualifications

• : 10+ years of professional software engineering experience with architect-level ownership.
• Extensive experience building enterprise apps using .NET/C#, React, SQL Server, and Azure.
• Strong expertise with Azure App Services, Functions, Service Bus, API Management, Key Vault, Managed Identities, and Azure DevOps.
• Proven experience designing and operating multi-tenant SaaS platforms with application-level and database-level tenant isolation.
• Hands-on experience implementing RBAC and SBAC authorization frameworks within enterprise applications.
• Experience delivering production AI solutions utilizing LLM APIs, Retrieval-Augmented Generation (RAG), MCP architectures, and agentic AI workflows.
• Strong leadership experience mentoring developers, conducting architecture reviews, and guiding engineering teams through complex technical initiatives.
• Excellent communication skills with the ability to explain technical decisions to executive stakeholders, clients, and cross-functional teams.
• Active user of AI-assisted development tools with a demonstrated AI-forward engineering mindset.
• Willingness to travel regularly to Austin, Texas and relocate in the future if required as part of a full-time conversion.

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.

Skills

Software architecture ownership

Technical leadership

RBAC/SBAC design

AI/ML integration

Mentoring engineers

Executive communication

Travel readiness

Tools

.NET/C#

React

SQL Server

Azure App Services

Azure Functions

Service Bus

API Management

Key Vault

Managed Identities

Azure DevOps

Power BI

Python/PySpark

Databricks

LLM APIs

RAG pipelines

Job description

Nearshore Business Solutions in Medellín, Colombia, seeks a Principal Engineer—Full Stack, Cloud & AI to own the SaaS platform architecture and guide scaling toward commercial release. You will write production-grade code across .NET/C#, React, and Azure, while leading onshore and offshore teams and enforcing best practices.

You will design secure multi-tenant architectures with RBAC/SBAC, implement AI capabilities including LLM orchestration and RAG pipelines, and produce comprehensive