Fullstack Software Developer (.NET/ React)

About MAS Global

MAS Global is a technology consulting company that connects top engineering talent in Latin America with leading global organizations. We focus on building high-performing, long-term teams that deliver scalable, high-quality software solutions while fostering professional growth and collaboration.

Role Overview

We are looking for a Senior Full-Stack Developer to join one of our delivery teams. You will work across backend and frontend systems, contributing to architecture, design, and delivery of end-to-end software solutions. You will collaborate closely with cross-functional stakeholders while mentoring engineers and promoting engineering excellence.

What You’ll Do

Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve complex, end-to-end problems while ensuring successful delivery.

Collaborate with product management, design, and analytics throughout the product development lifecycle by participating in ideation, articulating technical constraints, and supporting decisions that consider risks and trade-offs.

Design, develop, and maintain scalable backend systems and APIs using .NET, deployed on AWS Cloud.

Build and maintain responsive, high-quality user interfaces using React or Angular.

Implement and maintain CI/CD pipelines using Jenkins, ensuring reliable and efficient deployments.

Proactively identify project, process, technology, or business issues, advocate for improvements, and lead their resolution.

Support the operations and availability of applications by creating and monitoring metrics, troubleshooting issues, and contributing to “keep the lights on” efforts.

Foster a culture of quality and ownership by defining or improving code review and design standards, and advocating for best practices through documentation and technical discussions.

Help develop talent by providing feedback, mentorship, and guidance, and by leading through example.

What We Look For

5–7 years of professional experience as a full-stack or software engineer.

Strong experience designing, developing, and maintaining backend systems using .NET and AWS Cloud.

Hands-on experience building frontend applications with React and/or Angular.

Experience setting up and maintaining CI/CD pipelines using Jenkins.

Proven ability to define and execute technical plans for complex features or system components using clean, scalable, and extensible designs.

Experience working in large codebases while maintaining system stability, performance, and quality.

Strong sense of ownership over personal growth, with a proactive approach to feedback and continuous improvement.

Excellent verbal and written communication skills to collaborate effectively with distributed and international teams.

Bachelor’s degree in a related field or equivalent practical experience.