Tech Lead (Backend-oriented - Node.js) - Remote

Overview

At Güeno, we are redefining security in fintech in Latin America, helping banks, fintechs, and global companies to prevent fraud and detect risks in real-time. Our technology stack is robust and scalable, handling large volumes of data to provide advanced financial risk detection and regulatory compliance.

In Short

• Real impact: Your work will help prevent fraud and improve the security of millions of transactions.
• AI-Driven Innovation: We apply AI and LLM to enhance risk detection, automate workflows, and improve decision-making.
• Scalable architecture: You will work with AWS infrastructure, microservices, and high-performance event-driven systems.
• Autonomy and ownership: We value the ability to lead technical initiatives and propose improvements to our product.
• Culture of excellence: We are passionate about technology, well-designed code, and best practices in software.

Requirements

• 8+ years of software development experience with a strong focus on backend.
• Node.js, NestJS.
• Experience with microservices and event-driven architecture, integrating with API Gateway, SNS, SQS, EventBridge.
• AWS (Lambda, DynamoDB, Terraform, Docker).
• Testing & Code Quality: Jest, Cypress, TDD.
• Databases: MySQL, MongoDB, Redis.
• Implementation of LLM models: OpenAI, Anthropic, Mistral, Llama.
• LangChain & AI Workflows: Building autonomous agents and processing pipelines.
• Vector Databases: Pinecone, Weaviate, ChromaDB, or FAISS.
• Data Engineering in AI: Optimizing and preparing data for models.

Benefits

• Experience in automation with n8n is a plus.
• Knowledge in advanced CI/CD in GitHub Actions or similar is a plus.
• Experience with real-time data processing is a plus.