Senior Full-Stack Developer

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.