Senior Full Stack Software Engineer – .NET (C#) / React - (544)

Senior Full Stack Software Engineer - .NET (C#) / React

Remote · Full-time

About Ubiminds

Ubiminds is a people-first company that collaborates with American software product companies to expand their development teams. We match Brazil’s top talent with innovative U.S. firms through a unique offering of staff augmentation and employer-of-record services.

We are assisting a U.S.-based entity in the search for a Senior Full Stack Software Engineer to join the Platform product team (Lyons team), focusing on core systems and enhancing platform capabilities.

Challenge

Seeking a Senior Full Stack Engineer who excels in dynamic settings where priorities shift and uncertainty is commonplace. Ideal for those technically proficient and adaptable, proactive, and taking ownership - able to navigate diverse domains, quickly grasp intricate systems, and contribute wherever necessary.

Key responsibilities include working on critical platform areas like messaging, scheduling, automation, evolution towards modern architectures, and AI-enhanced development practices.

Role Responsibilities

• Develop and maintain features across front-end (React) and back-end (.NET / C#) systems.
• Engage in projects involving messaging, scheduling, and event-driven workflows.
• Contribute to multi-repository environment encompassing C#, Python, and React technologies.
• Aid in the transition to microservices architecture, Kubernetes, continuous deployment pipelines.
• Participate in architectural and cross-team technical discussions.
• Integrate AI-driven development approaches in software development life cycle.
• Produce clean, testable code and promote knowledge sharing and cross-team collaboration.

Skills & Qualifications

• Extensive experience with .NET (C#) in live environments.
• Proficient in building modern front-end applications using React.
• Familiarity with relational databases like MS SQL and working within complex existing systems.
• Knowledge of microservices architecture, CI/CD pipelines, containerized environments.
• Ability to work across varied technologies and codebases, distributed team experience.
• Strong English communication skills (C1 level - written and verbal).

Soft Skills

• Ownership mindset, proactive, self-driven attitude.
• Ability to clarify requirements, handle ambiguity, changing priorities.
• Collaborative mindset for sharing knowledge and learning.
• Quick adaptation to new domains and technologies.

Nice to Have

• Experience with Python backend services, AI-assisted development workflows.
• Exposure to AWS environments, messaging platforms like Twilio, event-driven systems.

Team & Environment

• Platform product team (Lyons) operating across multiple domains.
• Technology stack includes C#, React, Python, distributed systems.
• Emphasis on evolving towards modern infrastructures, microservices.
• Culture of collaboration, experimentation, continuous improvement.

To Join

• Contribute to core platform systems, adopt modern architectures, AI-driven development.
• Engage in a dynamic, learning-oriented environment with Ubiminds support.
• Remote-first culture fostering international exposure.

Ubiminds' Culture

• People-first approach with room for challenging oneself, team collaboration.
• Emphasis on taking initiative to tackle challenges with a team-centric mentality.
• Focus on delivering high-quality services, honesty, transparency, and openness.

Benefits

• Access to growth opportunities, English language lessons, Macbook provided.
• Full back-office support, remote work policy, office amenities available.
• Referral bonus program, tech talks, remote happy hours for fun interactions.