Fullstack Engineer

Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Monks may contact potential candidates via LinkedIn, all applications must be submitted through our official website (monks.com/careers). We’re looking for a Senior Full Stack Engineer to join our team. Whether you’re ready to embed with an established squad or help bootstrap a brand-new one, this is an opportunity to build impactful features across the stack with modern tools and a smart, collaborative team. You’ll report to an Engineering Manager and work on real, high-impact initiatives. Responsibilities Own end-to-end feature delivery—from UI/UX to API and database design. Build and maintain scalable React interfaces Architect and implement APIs using NestJS and Postgres Manage integrations with external services using internal credential/token management systems Design and implement secure OAuth 2.0 flows and SSO (Google, Microsoft, etc.) Contribute to and maintain our Docker/Kubernetes/Helm-based infrastructure Collaborate with designers, product managers, and engineers across the organization Write clean, maintainable, and well-documented code across the stack About You The essentials: Strong proficiency with TypeScript, React, NestJS, and Postgres Comfortable shipping across the entire stack—UI to DB. Experience with monorepo tooling (pnpm, turborepo, nx) Solid understanding of API authentication, credential management, and secure integrations with third-party services In-depth knowledge of OAuth 2.0, including implementation of valid auth flows and SSO Experience working with Docker, Kubernetes, and Helm in production environments Familiarity with domain-driven design or clean architecture patterns Not a Must, But a Plus Experience with infrastructure as code (we use Terraform) Prior work in high-compliance environments (HIPAA, SOC2, etc.) Experience bootstrapping new squads or systems from scratch. AI/ML familiarity—especially implementing tools like LangChain or working with embeddings and RAG pipelines Location Requirement: This is a remote role, but applicants must be based in Brazil and legally eligible to work in the country. About Monks Monks is the global, digital-first, data-driven, unitary