B2B | Senior Full-Stack Developer | React Native & Node.js

Optiwisers; Brasil; Remote; BRL 134,000 - 201,000; Full time

Benefits offered by this job

Remote work

Job summary

Casado seeks a Senior Full-Stack Developer to design and deliver a mobile app with React Native and a robust Node.js backend. You will help evolve the BFF, work in an agile team, and contribute to architecture decisions while maintaining high code quality and reliability.

The role emphasizes TDD/BDD, automated testing, and collaboration with cross-functional teams in a fully remote, long-term project environment.

Qualifications

• Experience with React Native, TypeScript and GraphQL in mobile-first projects.
• Strong backend skills with Node.js and NestJS.
• Familiarity with serverless architectures and AWS services.
• Knowledge of caching strategies and GraphQL federation concepts.
• Solid understanding of SOLID principles and modern testing practices.

Responsibilities

• Develop and maintain a mobile application using React Native and TypeScript.
• Build and evolve the Backend for Frontend (BFF) with Node.js and NestJS.
• Collaborate with Product Owners, Scrum Masters, Designers and QA teams.
• Participate in code reviews and ensure code quality and performance.
• Implement automated tests and contribute to architecture decisions.
• Apply Agile, TDD/BDD practices and optimize CI/CD pipelines.
• Address bugs and performance bottlenecks and improve security.

Skills

React Native

TypeScript

GraphQL

Redux/Sagas

Node.js

Unit testing

CI/CD

Agile

English communication

Education

Bachelor’s degree / Higher Education completed

Tools

NestJS

AWS Lambda

AWS ECS

Serverless

Redis

GraphQL Federation / Apollo Federation

Docker

Job description

Senior Full-Stack Developer – React Native & Node.js

Location: Brazil — 100% Remote. Contract: B2B / Freelance. Project: Long-term, Full-time. Seniority: Senior. Education: Bachelor’s degree / Higher Education completed. English: B1/B2.

We are looking for a Senior Full-Stack Developer to join a development team responsible for building and evolving a mobile application and its Backend for Frontend (BFF).

What you’ll be doing

• Develop and maintain a mobile application using React Native, TypeScript and Redux/Sagas
• Develop and maintain the BFF using Node.js, NestJS and GraphQL
• Work with GraphQL Federation / Apollo Federation
• Collaborate with Product Owners, Scrum Masters, Designers and QA teams to define and deliver new features
• Participate in code reviews, ensuring code quality, consistency and maintainability
• Identify and resolve bugs and performance bottlenecks
• Write unit and automated tests to ensure code quality and reliability
• Contribute to architecture decisions and the evolution of development and code quality practices
• Work according to Agile methodologies and TDD/BDD practices

Technical requirements

• Strong experience with Node.js, TypeScript, React Native and GraphQL
• Solid experience with NestJS
• Experience with AWS Lambda, AWS ECS and Serverless architecture
• Experience with Redis / in-memory caching strategies
• Experience with GraphQL Federation / Apollo Federation and Query Planning
• Experience with Hexagonal Architecture (Ports & Adapters)
• Strong understanding of SOLID principles, particularly ISP (Interface Segregation Principle) and DIP (Dependency Inversion Principle)
• Experience with CI/CD and Git
• Experience with automated testing, particularly Jest, Cucumber and/or Appium
• Knowledge of Mobile Security principles
• Experience working in Agile software development environments

Nice to have

• Experience with native Android and/or iOS development
• Experience with Docker
• Additional experience with AWS
• Good level of English

Ready for your next challenge?