Senior Full Stack Software Engineer – .NET, C#

📋 Description

• Design and sustain features across both front-end (React) and back-end (.NET / C#) platforms.

• Engage with systems that involve messaging through SMS, WhatsApp, and email using providers like Twilio.

• Create and enhance solutions for scheduling, calendar integrations, and event-driven workflows.

• Contribute to a multi-repository ecosystem utilizing technologies such as C#, Python, and React.

• Assist in the transition towards microservices architecture, Kubernetes, and continuous deployment pipelines.

• Participate in architectural planning and cross-team technical discussions.

• Explore and implement AI-driven development methodologies throughout the Software Development Life Cycle (SDLC).

• Produce clean, maintainable, and testable code.

• Actively exchange knowledge and collaborate with various teams.

⛳️ Requirements

• Extensive experience with .NET (C#) in production settings.

• Strong background in developing modern front-end applications using React.

• Proficient with relational databases, particularly MS SQL.

• Experience with complex, existing systems (not solely greenfield projects).

• Familiarity with:

• Microservices architecture

• CI/CD pipelines

• Containerized environments (e.g., Kubernetes)

• Capability to work across various technologies and codebases.

• Experience collaborating in distributed teams.

• Excellent communication skills in English (C1 level – both written and verbal).

• Soft Skills (Critical)

• Strong sense of ownership.

• Proactive and self-motivated approach (“figure it out” mindset).

• Ability to ask insightful questions and clarify requirements.

• Comfortable navigating ambiguity and changing priorities.

• A collaborative attitude, sharing knowledge and insights.

• Quick adaptability to new domains and technologies.

• Nice to Have

• Experience with Python backend services.

• Familiarity with AI-assisted development workflows.

• Exposure to AWS environments.

• Experience using messaging platforms like Twilio.

• Knowledge of event-driven systems or scheduling platforms.

🏝️ Benefits

• You will be part of a product-driven company, enjoying the same benefits as full-time employees.

• Receive comprehensive back-office support, including career guidance, HR services, and concierge assistance.

• Appreciate our remote-first policy as we operate as a distributed team.

• Obtain your own MacBook (we do not follow a "bring your own device" policy).

• Access growth opportunities alongside other talented technology professionals through tech talks, chapter meetings, and enjoyable remote happy hours!

• Enhance your English skills with free lessons from a native speaker - elevate your communication abilities!

• Enjoy a Candidate Referral bonus (refer Ubi to your tech friends and earn rewards!).

• If you miss the office environment, our vibrant headquarters in Florianópolis is available for your use, complete with weekly quick massages, tasty snacks, soft drinks, and games.