Software Engineer Fullstack SR (NestJs/React/Angular)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Software Engineer Fullstack SR (NestJs/React/Angular) in Brazil.

This role is an opportunity to join a fast-growing digital health environment where technology directly impacts millions of lives. You will work as a senior full-stack engineer contributing to scalable, high-performance systems that support large-scale healthcare services. The position involves building and evolving end-to-end features across modern web technologies, while collaborating closely with product, QA, and data teams. You will operate in a highly collaborative, agile setting where autonomy and technical excellence are strongly valued. Your work will influence system architecture, code quality, and engineering standards across the organization. This is a hands-on role for someone who enjoys solving complex problems and driving meaningful product impact in a mission-driven environment.

• Design, develop, and evolve full-stack features across backend (Node.js/NestJS) and frontend (React/Angular), ensuring scalability, reliability, and maintainability.
• Contribute to system architecture decisions and propose structural improvements for distributed systems and microservices-based environments.
• Build and maintain RESTful and GraphQL APIs, as well as integrations with internal and external services.
• Write clean, efficient, and testable code, ensuring strong test coverage through unit and automated testing practices.
• Participate in code reviews, agile ceremonies, and cross-functional collaboration with product, QA, and data teams.
• Monitor application performance, identify bottlenecks, and implement optimizations for high-traffic systems.
• Document technical solutions, architectural decisions, and engineering best practices.
• Mentor junior and mid-level engineers, supporting their technical and professional growth.

Requirements:

• Strong experience as a Full Stack Software Engineer working across backend and frontend in production-grade systems.
• Advanced knowledge of JavaScript/TypeScript, with strong expertise in Node.js (NestJS preferred).
• Solid frontend experience using React, with exposure to Angular considered a plus.
• Experience with distributed systems, microservices architectures, and API design (REST and/or GraphQL).
• Strong knowledge of relational and non-relational databases such as PostgreSQL, MySQL, MongoDB, and Redis.
• Familiarity with CI/CD pipelines, automated testing, Git workflows, and DevOps practices.
• Experience working in agile environments (Scrum, Kanban, XP) with strong collaboration skills.
• Ability to work autonomously with a strong ownership mindset and clear communication skills across technical and non-technical stakeholders.
• Proficiency using AI-powered development tools such as GitHub Copilot, Cursor, or Claude Code to improve productivity and code quality.
• Experience with cloud platforms (AWS, GCP, or Azure), containerization (Docker, Kubernetes), observability tools, and event-driven architectures is a plus.
• Background in high-growth environments, scale-ups, or regulated industries such as healthtech is considered an advantage.

Benefits:

• Competitive monthly flexible benefits via Caju Card covering meals, mobility, home office, health, culture, and education.
• Comprehensive health and dental plan with coverage for dependents.
• Life insurance coverage.
• Access to mental and physical health platforms with online consultations.
• Monthly medication support allowance for prescribed treatments.
• Childcare assistance and extended parental leave policies.
• Birthday day off.
• Fitness and wellness benefits through partner platforms.
• Educational partnerships and discounts for professional development.
• SESC benefits offering access to culture, leisure, sports, and education activities.
• Remote-first and flexible working environment.
• Collaborative, mission-driven culture focused on improving healthcare access and quality.