Senior Full Stack Software Engineer - .NET, Python, and REACT - Remote

Overview

We are seeking a Senior Full Stack Software Engineer to join a high-impact product team responsible for driving engagement and workflow solutions on a modern SaaS platform.

In Short

• Lead and contribute to the development of product features, APIs, and services in both Python and .NET (C#).
• Build accessible and performant user interfaces using React, TypeScript, and CSS.
• Write clear, secure, and resilient code with comprehensive unit and integration tests.
• Analyze product requirements and write scalable technical designs.
• Own and resolve complex system issues, ensuring high availability and reliability.
• Provide thoughtful code reviews and mentor fellow engineers.
• Guide research and technical planning for new initiatives.
• Ensure effective automated testing coverage at all layers of the test pyramid.
• Document design patterns and solutions; present ideas through documentation and technical discussions.
• Promote a risk-aware, pragmatic approach to design and operations.

Requirements

• 5+ years in a software engineering role building cloud-based SaaS applications.
• Strong hands-on experience with C#/.NET and Python, including RESTful API architecture.
• Proficiency with React, TypeScript, HTML, and CSS following accessibility and UX best practices.
• Solid SQL expertise (PostgreSQL, MSSQL), with experience in schema design, query optimization, and relational modeling.
• Experience designing scalable systems using cloud infrastructure (preferably AWS).
• Familiarity with Docker and microservices architecture.
• Proficiency with Git, including rebase, squashing, and clean branching strategies.
• Experience in distributed, remote team collaboration.
• Strong communication skills and ability to work effectively with Product and UX teams.

Benefits

• Placed in a product-based company with the same treatment as full-time employees.
• Full back-office support, from career guidance to HR and concierge services.
• Remote-first policy with a distributed team.
• Get your own Laptop provided by the company.
• Access to growth opportunities through tech talks and chapter meetings.
• Improve your English through free lessons with a native speaker.
• Candidate Referral bonus for promoting Ubi to tech friends.
• Access to the Florianópolis headquarters with amenities like snacks and games.