Tech Lead Javascript - AI

Important Information

Location: Mexico
Job Mode: Full-time
Work Mode: Work from home

• Lead the design and development of fullstack systems using Node.js, NestJS, and Langchain, ensuring robust architecture and maintainable code; 
• Architect backend services and APIs that integrate with LLMs and support agent workflows, using TypeScript and JSON-based configurations; 
• Collaborate with frontend engineers to ensure seamless integration, while maintaining backend ownership; 
• Experiment with emerging GenAI technologies, including RAG, embeddings, and vector databases, to enhance solution capabilities; 
• Guide engineering best practices through code reviews, documentation, and mentoring; 
• Work closely with product and design teams to translate business requirements into intelligent automation features.

• Advanced proficiency in Node.js, NestJS, TypeScript and Experience/knowledge of Langchain, including prompt engineering, agent orchestration, and tool integration; 
• Strong foundation in software engineering principles, including system design, API architecture, and testing; 
• Experience working with JSON configurations and managing structured data flows. 

• Familiarity with GenAI architectures using Langchain agents, RAG, and LLM APIs (e.g., OpenAI, Anthropic); 
• Knowledge of vector databases and embedding models;
• Exposure to cloud platforms (AWS, GCP, Azure) and CI/CD pipelines; 
• Experience with remote collaboration tools and asynchronous workflows. 

• Knowledge of Docker and containerized deployments; 
• Experience with CI/CD tools; 
• Ability to write and maintain technical documentation; 
• Familiarity with test automation frameworks (e.g., Jest, Mocha); 
• Experience with frontend development using React;
• Understanding of multi-agent orchestration and tool calling; 
• Experience working in agile environments with cross-functional teams.

About Encora

Encora is the preferred digital engineering and modernization partner of some of the world’s leading enterprises and digital native companies. With over 9,000 experts in 47+ offices and innovation labs worldwide, Encora’s technology practices include Product Engineering & Development, Cloud Services, Quality Engineering, DevSecOps, Data & Analytics, Digital Experience, Cybersecurity, and AI & LLM Engineering.

At Encora, we hire professionals based solely on their skills and qualifications, and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.