Senior VB.Net AI Plugins Engineer (Remote LATAM)

Bridgenext; Argentina; Remote; ARS 138,564,000 - 200,148,000; Full time

Job summary

Bridgenext in Argentina/Colombia remote is seeking a Senior VB.Net Developer to enhance TaxAssist, an AI Agent management platform. You will design modular plugins for AI agents, work with Cosmos DB, Postgres PgVector, and OpenAI embeddings, and contribute to front-end and back-end development.

You will collaborate with product, AI, and engineering teams, write clean code, and ensure robust plugin integration with a focus on single responsibility and scalability.

Qualifications

• 5+ years of software development experience.
• Strong proficiency in VB.Net and building web applications.
• Experience with NoSQL and relational databases (Cosmos DB, Postgres).
• Understanding of Generative AI concepts, AI agents, prompting, and RAG.
• Experience working in Agile environments.

Responsibilities

• Design, develop, and maintain plugins in VB.Net that extend the capabilities of AI agents.
• Identify which use cases genuinely require a plugin rather than a meta-prompt or RAG-based approach.
• Build plugins that access files uploaded within the chat and work with their content as-is.
• Keep plugins granular, with a clear single responsibility and clean integration with the agent.
• Work with Cosmos DB and Postgres PgVector, and with OpenAI embeddings where they fit.
• Contribute to both front-end and back-end development of the web application.
• Collaborate with product, AI, and engineering teams to define requirements and technical approach.
• Write clean, testable, well-documented code and participate in code reviews.
• Troubleshoot and resolve defects efficiently.

Skills

VB.Net

5+ years experience

Web applications (full stack)

Cosmos DB

Postgres

PgVector

Generative AI concepts

Agile

OpenAI embeddings

Azure

Tools

Cosmos DB

Postgres

PgVector

OpenAI embeddings

Azure

Job description

Bridgenext in Argentina/Colombia remote is seeking a Senior VB.Net Developer to enhance TaxAssist, an AI Agent management platform. You will design modular plugins for AI agents, work with Cosmos DB, Postgres PgVector, and OpenAI embeddings, and contribute to front-end and back-end development.

You will collaborate with product, AI, and engineering teams, write clean code, and ensure robust plugin integration with a focus on single responsibility and scalability.