Senior Engineer (Senior Full Stack Engineer)
Contract
Location: Mexico, Canada

Role Overview
We are looking for a Senior Full Stack Engineer with strong hands-on expertise in React, Node.js, and SQL who can take end-to-end technical ownership of an application.
The idóneo candidate should be capable of looking beyond individual modules or development tasks and understanding the application as a whole—including frontend, backend, APIs, database, integrations, deployment, performance, and production support. The role requires a combination of hands-on development, technical ownership, problem-solving, and team guidance.

Experience
• 6+ years of software development experience, preferably in full-stack application development.
• Strong hands-on experience with React, Node.js, JavaScript/TypeScript, and SQL.
• Experience owning or playing a key technical role in medium-to-large applications.
• Experience across the complete SDLC: requirements, design, development, testing, deployment, and production support.
• Experience troubleshooting complex issues across frontend, backend, database,



and integration layers.
• Experience conducting code reviews and mentoring/guiding other engineers.

Must-Have Skills
• React: Components, Hooks, state management, routing, reusable UI design, API integration, and frontend performance.
• Node.js: Backend/service development, REST APIs, asynchronous programming, authentication/authorization, error handling, and logging.
• SQL: Strong query-writing skills, relational database design, indexing, query optimization, and performance troubleshooting.
• Strong proficiency in JavaScript and/or TypeScript.
• Strong understanding of REST APIs, system integrations, and application architecture.
• Knowledge of software design principles, coding standards, and design patterns.
• Strong debugging, analytical, and problem-solving skills.
• Ability to understand an application end to end and assess the impact of changes across the system.
• Strong commu

📌 Full Stack Engineer (México)
🏢 Bounteous
📍 México