Senior AI Integration Engineer - Serverless & LLM Workflows

Lean Solutions Group; Colombia; Híbrido; COP 120.000.000 - 180.000.000; Jornada completa

Descripción de la vacante

Global Technology Services is seeking a Senior AI Integration Engineer to design and build backend services that connect enterprise data, documents, APIs, and AI capabilities into secure, scalable applications.

You will work with AWS serverless architectures, TypeScript, and orchestration services like Lambda, Step Functions, Bedrock, and Textract to create reliable enterprise workflows powered by LLMs and retrieval systems.

Formación

• Strong professional experience with TypeScript and Node.js backend development.
• Hands-on experience building solutions on AWS, particularly serverless architectures.
• Strong experience with AWS Lambda and serverless microservice patterns.
• Experience designing and implementing workflows with AWS Step Functions or comparable orchestration technologies.
• Strong understanding of API design, REST APIs, schemas, data contracts, and integration patterns.
• Experience building or integrating LLM-powered applications.
• Practical experience with RAG, retrieval systems, enterprise search, or knowledge-based AI applications.
• Understanding of document AI, document ingestion, extraction, classification, and processing workflows.
• Experience working with structured outputs from LLMs and techniques such as confidence scoring, citations, evaluation, and human-in-the-loop review.
• Strong understanding of authentication, authorization, and permission-aware data retrieval.
• Experience integrating with external APIs, enterprise platforms, or document repositories.
• Strong software engineering fundamentals, including testing, debugging, version control, observability, and production support.
• Experience with Amazon Bedrock and foundation model integrations.
• Experience with Amazon Textract or similar document intelligence platforms.
• Familiarity with knowledge graphs and graph-based retrieval patterns.
• Experience with vector databases, embeddings, semantic search, hybrid search, and reranking.
• Experience with event-driven architectures and asynchronous processing.
• Familiarity with infrastructure as code and AWS deployment automation.
• Experience implementing AI evaluation frameworks and monitoring LLM application quality.

Responsabilidades

• Design and build backend services that connect enterprise data, documents, APIs, and AI capabilities into secure, scalable applications.
• Work at the intersection of AWS serverless engineering, API integration, enterprise search, and generative AI to create reliable workflows.
• Build serverless microservices and AI-powered workflows using AWS Lambda, Step Functions, Bedrock, and Textract.
• Ensure secure, scalable architectures with attention to authentication and data contracts.

Conocimientos

TypeScript

Node.js

AWS serverless

API design

LLM integration

RAG

Knowledge graphs

Vector databases

Embeddings

Event-driven architecture

IaC

Deployment automation

LLM evaluation

Herramientas

Amazon Bedrock

Amazon Textract

Descripción del empleo

Global Technology Services is seeking a Senior AI Integration Engineer to design and build backend services that connect enterprise data, documents, APIs, and AI capabilities into secure, scalable applications.

You will work with AWS serverless architectures, TypeScript, and orchestration services like Lambda, Step Functions, Bedrock, and Textract to create reliable enterprise workflows powered by LLMs and retrieval systems.