Senior Fullstack Developer

Jobtailor; Brasília; Presencial; BRL 120 000 - 180 000; Tempo integral

Resumo da oferta

Jobtailor is looking for a skilled engineer to develop REST APIs with Node.js/NestJS and frontends with Next.js/React. You will model Postgres, optimize Redis caches, and build external service integrations. The role covers AI/LLM-driven products, architecture input, and mentoring teammates.

You will ensure testing, documentation, and security standards while collaborating with a squad to deliver end-to-end features.

Qualificações

• Strong experience with Node.js/TypeScript, NestJS and TypeORM.
• Advanced PostgreSQL modeling and query tuning, plus Redis.
• Proficiency with Next.js, React, TypeScript, Tailwind and SCSS; Redux Toolkit for state management.
• Experience with testing (Jest) and end-to-end tests (Playwright); Swagger/OpenAPI for docs.
• Authentication/SSO using Keycloak/OIDC or OAuth2/OpenID; API security best practices.
• Experience integrating with LLM providers, prompt engineering and evaluating model outputs.
• Ability to deliver end-to-end in collaboration with a squad.

Responsabilidades

• Develop and evolve REST APIs (Node.js/NestJS) and frontends (Next.js/React) end-to-end.
• Model and optimize PostgreSQL databases and Redis caching.
• Build integrations with external services (payments, messaging, cloud) and automations.
• Work on products with AI/LLMs from integration to evals of model outputs.
• Participate in architectural decisions and conduct code reviews.
• Maintain delivery standards: tests, docs, logs, observability.
• Mentor teammates and be the technical reference for quality and security.

Conhecimentos

Node.js / TypeScript

NestJS

TypeORM

PostgreSQL

Redis

Next.js / React

Tailwind CSS

SCSS

Redux Toolkit

Jest / Playwright

Swagger/OpenAPI

OAuth2 / Keycloak

LLM integration

End-to-end delivery

Ferramentas

NestJS

TypeORM

PostgreSQL

Redis

Next.js

React

Tailwind CSS

SCSS

Redux Toolkit

Jest

Playwright

Swagger/OpenAPI

Keycloak

OAuth2

LLM integration tools

Descrição da oferta de emprego

Responsibilities

• Develop and evolve REST APIs (Node.js/NestJS) and product frontends (Next.js/React) end-to-end
• Model and optimize PostgreSQL databases and caching layers with Redis
• Build integrations with external services (payments, messaging, cloud) and automations
• Work on products with AI and LLMs, from integration to evaluation (evals) of model outputs
• Participate in architectural decisions and conduct code reviews
• Maintain delivery standards: tests, documentation, logs and observability
• Mentor colleagues and act as a technical reference for quality and security

Requirements

• Strong experience with Node.js + TypeScript, NestJS and TypeORM
• Advanced PostgreSQL (modeling, query tuning) and Redis
• Next.js + React + TypeScript, with Tailwind and SCSS; state management with Redux Toolkit
• Testing with Jest and Playwright; documentation with Swagger/OpenAPI
• Authentication/SSO with Keycloak/OIDC (or equivalent OAuth2/OpenID) and API security best practices
• Integration with LLM providers, prompt engineering and evaluation of model outputs
• Autonomy to deliver end-to-end in partnership with the squad

Core Competencies

Demonstrates expertise in developing and optimizing REST APIs and product frontends using Node.js, NestJS, Next.js, and React, while ensuring high standards in testing, documentation, and security. Proficient in database modeling and integration with external services, including AI and LLMs.