Senior Fullstack Developer

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Design and develop business logic and domain modules within an ASP.NET Core API, adhering to Clean Architecture principles.

• Create and uphold asynchronous background processing services in a .NET worker for workflows that involve heavy document processing, coordinated via message queues.

• Build and manage various Next.js/React applications for internal operational tools as well as external customer-facing platforms.

• Architect relational data models and craft efficient data access code utilizing EF Core/PostgreSQL.

• Integrate with cloud-native infrastructure, including message queues, blob storage, secrets management, and managed identity providers.

• Implement authentication and authorization mechanisms across workforce and external/customer identity domains.

• Collaborate on API contracts and shared TypeScript types that are utilized by front-end applications.

• Engage in architectural decision-making to ensure the modular monolith remains maintainable and thoroughly tested.

• Develop tools for operators to review, amend, and validate AI-assisted extraction results, ensuring full data-change traceability.

• Write and uphold automated tests across the entire stack and participate in maintaining the CI/CD pipeline's health.

• Take part in code reviews and technical design discussions while mentoring junior engineers.

⛳️ Requirements

• Over 8 years of professional software development experience, with extensive expertise in C# / .NET (ASP.NET Core).

• More than 4 years of experience developing production front-end applications using React, including Next.js (App Router, server components/actions, route handlers).

• Strong understanding of Clean/Layered Architecture, domain modeling, and the separation of concerns within complex back-end systems.

• Proficient in relational databases and ORMs (EF Core or equivalent), including experience with migrations and optimizing query performance.

• Solid TypeScript capabilities and familiarity with working in a monorepo that uses shared, versioned internal packages.

• Experience with cloud infrastructure (Azure preferred; AWS/GCP equivalents considered), including messaging/queues, object storage, and secrets management.

• Familiarity with implementing or integrating OAuth2/OIDC-based authentication, particularly with enterprise identity providers like Microsoft Entra ID or similar.

• Strong discipline in automated testing: unit, integration, and contract testing on both back end and front end.

• Comfortable navigating the full stack without hand-offs, from database schema to API to user interface.

• Exceptional communication skills and experience working within a small, senior, high-autonomy engineering team.

🏝️ Benefits

• Competitive salary and performance-based incentives.

• Flexible work hours and remote work options.

• Comprehensive health and wellness benefits.

• Opportunities for professional development and continuous learning.

• Friendly and collaborative work environment.