Fullstack Tech Lead - AI

Encora Inc.; São Paulo; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A leading digital engineering partner in Brazil is seeking a Tech Lead to spearhead the development of AI-driven systems. The role demands strong proficiency in Node.js and NestJS for crafting fullstack solutions, along with collaboration with teams to integrate innovative AI technologies. Successful candidates will have a firm grasp of software engineering principles and a passion for mentoring others. This position fosters a dynamic environment that encourages technical excellence, contributing to intelligent automation across projects.

Qualificações

• Advanced proficiency in Node.js, NestJS, TypeScript.
• Experience with Langchain, including prompt engineering and agent orchestration.
• Familiarity with GenAI architectures and API interactions.

Responsabilidades

• Lead the design and development of fullstack systems.
• Architect backend services and APIs that integrate with LLMs.
• Collaborate with frontend engineers for seamless integration.
• Experiment with emerging GenAI technologies for solution enhancements.
• Guide engineering best practices through code reviews.

Conhecimentos

Node.js

NestJS

TypeScript

Langchain

JSON configurations

API architecture

Software engineering principles

Ferramentas

Docker

CI / CD tools

Test automation frameworks

Cloud platforms (AWS, GCP, Azure)

Frontend development (React)

Descrição da oferta de emprego

As a Tech Lead, you will lead the development of innovative AI-powered systems by collaborating closely with backend and frontend engineers. This role requires hands-on coding expertise, architectural vision, and a good understanding of modern AI frameworks. You will be responsible for designing fullstack solutions using cutting-edge technologies, driving technical excellence, and shaping the engineering standards for intelligent automation.

Responsibilities

• 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.

Optional Skills

• 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.