Senior Developer NodeJS (Fully Remote)

CI&T; United States; Remote; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health programs

CI&T University

Disability inclusion

Job summary

CI&T helps large companies transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience, we are 8,000 CI&Ters across 25+ countries, collaborating to build solutions with real impact, and AI is part of how we work every day.

CI&T is seeking backend engineers to advance our TypeScript/NodeJS stack using NestJS and Fastify, employing hexagonal and event-driven architectures, and integrating with

Qualifications

• Backend development experience with TypeScript/NodeJS/NestJS/Fastify.
• Experience with MongoDB and Mongoose, including ACID transactions and replica sets.
• Familiarity with hexagonal, event-driven, Clean Architecture and SOLID principles.
• Experience with Kafka for event-driven messaging and DLQ/retry patterns.
• Redis caching and cache-manager usage in production.
• Docker with docker-compose for local orchestration.

Skills

Backend development

TypeScript

NodeJS

NestJS

Fastify

Hexagonal architecture

Event-driven architecture

Clean Architecture

SOLID

Tools

MongoDB

Mongoose

Redis

cache-manager

Kafka

Docker

docker-compose

Zod

Vitest

Stryker

DataPower/WSAF

Jira

Job description

• Backend development with TypeScript, NodeJS, NestJS, Fastify.
• Advanced patterns: decorators, dependency injection, modules, event emitter, cache manager, middleware, guards.
• Database: MongoDB with Mongoose, ACID transactions, Replica Set, change streams.
• Hexagonal architecture, event-driven architecture, Clean Arch, and SOLID.
• Kafka for event-driven consumers/producers, DLQ, retry with backoff, Outbox pattern.
• Caching with Redis and cache-manager.

Testing & Tools:

• Unit, integration, and e2e tests with Vitest; mutation testing with Stryker.
• Experience with Octane testing.
• OAuth 2.0 integrations via DataPower/WSAF.
• Docker with docker-compose for local orchestration (app + DB + messaging).
• MCP/AI tooling and validation with Zod.
• Use of Jira for backlog management.

Benefits & Culture:

• Comprehensive health and wellness programs.
• Continuous learning through CI&T University and language platforms.
• Emphasis on inclusion, with support for people with disabilities.

CI&T

CI&T helps large companies transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience, we are 8,000 CI&Ters across 25+ countries, collaborating to build solutions with real impact, and AI is part of how we work every day.