Senior Full Stack Developer (React & Node.js)

Applaudo; Rio de Janeiro; Presencial; BRL 180 000 - 300 000; Tempo integral

Resumo da oferta

Applaudo is seeking a Senior Full Stack Developer with a strong backend focus to design and build scalable, cloud-native TypeScript applications across the stack. The role emphasizes serverless backend services while delivering modern React user experiences.

You will participate in Agile ceremonies, own features end-to-end, and collaborate with cross-functional teams to elevate engineering practices. You bring 5+ years of experience, deep TypeScript expertise, React proficiency, and a solid

Qualificações

• 5+ years of professional experience as a Full Stack Software Developer or Software Engineer.
• Strong experience using TypeScript across frontend and backend.
• Proven React development for modern web applications.
• Experience designing RESTful APIs with OpenAPI and validating schemas with Zod.
• Hands-on with serverless AWS (Lambda, API Gateway, DynamoDB) and DynamoDB single-table design.
• Proficient in AWS CDK and infrastructure as code.
• Experience with CI/CD pipelines and code quality tools.
• Unit tests with Vitest and automated API/e2e testing (Playwright/Postman).
• English communication skills and Agile teamwork.
• Security-minded development practices.

Responsabilidades

• Design, develop, and maintain scalable full-stack apps using TypeScript across React frontend and Node.js backend.
• Build and enhance cloud-native serverless apps using AWS services (Lambda, API Gateway, DynamoDB, CDK).
• Create modern React UIs using established patterns and component libraries.
• Model DynamoDB data with Single-Table design and efficient access patterns.
• Develop secure RESTful APIs per OpenAPI specs with schema validation (Zod).
• Write clean, well-tested code and support automated API and end-to-end testing.
• Participate in code reviews and maintain high quality, performance, security standards.
• Troubleshoot production issues and drive reliability improvements.
• Collaborate with engineers, architects, product owners, and stakeholders through the SDLC.
• Engage in Agile ceremonies and own solutions from implementation to production support.

Conhecimentos

TypeScript

React

Serverless

OpenAPI

Zod

DynamoDB Single-Table

AWS CDK

RESTful APIs

CI/CD

Vitest

Playwright

Postman

TanStack Router/Query

Mantine UI

Zustand

Secure coding practices

English communication

Agile

Ferramentas

AWS Lambda

API Gateway

DynamoDB

AWS CDK

Vitest

Playwright

Postman

TanStack Router/Query

Mantine UI

Zustand

Descrição da oferta de emprego

You are a Senior Full Stack Developer with a strong backend focus who enjoys building scalable, cloud-native applications using TypeScript across the entire stack. While you'll contribute across both frontend and backend development, your primary focus will be designing and building robust serverless backend services while delivering modern React user experiences.

You thrive working within established architectures, quickly understanding existing codebases and delivering production-ready solutions with minimal supervision. You take ownership of your work, write clean and maintainable code, and believe software quality is everyone's responsibility.

You are proactive, analytical, and collaborative, enjoying close partnerships with cross-functional teams while actively contributing to Agile ceremonies and continuously improving engineering practices.

You Bring to Applaudo the Following Competencies

• 5+ years of professional experience as a Full Stack Software Developer or Software Engineer.
• Strong experience developing production applications using TypeScript across both frontend and backend.
• Strong experience building modern web applications with React.
• Experience designing and developing RESTful APIs using OpenAPI.
• Experience implementing schema validation using Zod or similar libraries.
• Experience building serverless applications using AWS Lambda, API Gateway, and DynamoDB.
• Strong understanding of DynamoDB Single-Table Design and access-pattern modeling.
• Experience provisioning infrastructure using AWS CDK or similar Infrastructure as Code tools.
• Experience working with CI/CD pipelines and code quality tools.
• Experience writing automated unit tests using Vitest or similar frameworks.
• Familiarity with automated testing using Playwright, Postman, or similar tools.
• Experience working with modern React technologies such as TanStack Router/Query, Mantine UI, Zustand, or similar libraries.
• Understanding of secure coding practices involving sensitive customer information (PII/PCI).
• Strong communication, collaboration, and problem-solving skills.
• Self-driven with the ability to work independently while contributing effectively within Agile teams.
• Advanced English communication skills, both written and spoken.

You Will Be Accountable for the Following Responsibilities

• Design, develop, and maintain scalable full-stack applications using TypeScript across React frontend and Node.js backend services.
• Build and enhance cloud-native, serverless applications using AWS services including Lambda, API Gateway, DynamoDB, and AWS CDK.
• Develop modern React user interfaces using established frontend patterns and component libraries.
• Design efficient DynamoDB data models using Single-Table Design and optimized access patterns.
• Develop secure and scalable RESTful APIs following OpenAPI specifications and implement schema validation using Zod.
• Write clean, maintainable, and well-tested code following established engineering standards and best practices.
• Create comprehensive unit tests while supporting automated API and end-to-end testing initiatives when needed.
• Participate in code reviews while ensuring high standards for quality, performance, maintainability, and security.
• Troubleshoot production issues, perform root-cause analysis, and continuously improve application reliability.
• Collaborate closely with software engineers, architects, product owners, and other stakeholders throughout the software development lifecycle.
• Actively participate in Agile ceremonies including sprint planning, daily standups, retrospectives, and backlog refinement.
• Take ownership of the solutions you build from implementation through deployment and production support.

Nice to Have

• Experience with SQL Server.
• Experience with Amazon EventBridge.
• Experience with OpenSearch Serverless.
• Experience with Playwright.
• Experience working with Specification-Driven Development practices.

Additional Information

About Us

We Are Engineered Different.

At Applaudo, talented people design, build, and scale meaningful, AI-powered solutions that create real business impact. As an AI-native organization, we collaborate across design, development, cloud, data, and artificial intelligence to turn ideas into scalable products that transform how companies operate, make decisions, and grow.

We are building a high-performance culture grounded in five values: Empowering Excellence, Collaborative Teamwork, Unsolicited Respect, Consistent Transparency, and Efficient Communication. These define how we work, how we support one another, and how we hold ourselves accountable.

Applaudo is a place for people who want to learn fast, take ownership, and work alongside strong teams they are proud to belong to. Joining us means being part of an organization that is evolving intentionally, investing in modern ways of working, and leading AI-native transformation at scale.