Senior Full Stack Engineer, .NET / React

• Code enterprise-level SaaS video interview and/or chatbot platform software
• Design and implement integrations with external Applicant Tracking Systems (ATS)
• Master third-party APIs while maintaining data integrity and system reliability
• Innovate on internal tools to improve users' day-to-day experiences
• Prototype and build intuitive, high-performance interfaces for complex internal workflows
• Identify and automate repetitive manual tasks across the organization
• Use performance and error monitoring tools to evaluate automated solutions
• Design and implement scalable solutions
• Write comprehensive tests and perform code reviews
• Document work and architectural patterns for the broader engineering team
• Participate in daily and weekly engineering team meetings to align on schedules and SDLC progress
• Provide guidance and constructive feedback to new or associate team members
• Continue learning new languages, libraries, and SDLC best practices
• Collaborate with Software Engineers, Engineering Team Lead, QA Engineers, Product Managers, and Product Designers

• Strong experience with .NET (C#) in production environments
• Solid experience building modern front-end applications with React
• Experience working with MS SQL or similar relational databases
• Senior-level mindset with strong ownership and accountability
• Experience working on existing production systems, not only greenfield
• Ability to handle evolving requirements and technical ambiguity
• Strong English communication skills, written and verbal
• Experience collaborating in distributed teams
• Experience with microservices architectures preferred
• Familiarity with AWS cloud environments preferred
• Exposure to test automation practices preferred
• Experience with AWS AI-related services such as SageMaker, Lex, Comprehend, or Rekognition is a bonus, not required

• Placement in a product-based company with the same treatment as full-time employees
• Full back-office support, including career guidance, HR, and concierge services
• Remote-first policy
• Company-provided MacBook
• Growth opportunities through tech talks, chapter meetings, and remote happy hours
• Free English lessons with a native English speaker
• Candidate referral bonus
• Access to the Florianópolis headquarters with weekly quick massages, snacks, soft drinks, and games