Senior Full-Stack Engineer

High Tech Genesis; Ottawa; On-site; CAD 110,000 - 150,000; Full time

Job summary

High Tech Genesis is seeking a Senior Full-Stack Engineer to join a product-focused team building enterprise software applications. The role blends strong front-end work with React and contributions across the full application stack to enhance usability, navigation, workflows, and overall quality.

You will design, develop, and maintain full-stack web applications, build responsive interfaces with React, and develop APIs and backend services.

Qualifications

• Strong professional experience in full-stack software development.
• Strong hands-on experience with React.
• Experience developing and integrating APIs and backend services.
• Solid understanding of modern web application architecture.
• Experience working across both front-end and backend technologies.
• Experience building, debugging, and maintaining production applications.
• Strong problem-solving and troubleshooting skills.
• Ability to collaborate effectively with product, design, UX, and engineering teams.
• Strong communication and teamwork skills.

Responsibilities

• Design, develop, and maintain full-stack web applications.
• Build modern, responsive user interfaces using React.
• Develop and integrate APIs and backend services.
• Contribute to both front-end and backend application architecture.
• Work on product enhancements focused on usability, navigation, workflows, and overall product quality.
• Improve information architecture, menus, and user experiences across the application.
• Translate product and UX requirements into scalable technical solutions.
• Collaborate closely with product managers, designers, UX professionals, and engineering teams.
• Troubleshoot and resolve issues across the application stack.
• Identify opportunities to improve application functionality, performance, and maintainability.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews, technical discussions, testing, and Agile development practices.
• Contribute to improving development processes, application quality, and engineering standards.

Skills

React

Full-stack dev

APIs

Web architecture

Cross-stack experience

Testing

Collaboration

Communication

Tools

Ruby on Rails

Job description

We are looking for a Senior Full-Stack Engineer to join a product-focused engineering team working on enterprise software applications. This role combines strong front-end development, particularly with React, with the ability to contribute across the broader application stack.

The successful candidate will work on initiatives that improve product usability, navigation, information architecture, workflows, and overall product quality. This is an excellent opportunity for an experienced engineer who enjoys solving both technical and product-focused challenges.

Key Responsibilities

• Design, develop, and maintain full-stack web applications.
• Build modern, responsive user interfaces using React.
• Develop and integrate APIs and backend services.
• Contribute to both front-end and backend application architecture.
• Work on product enhancements focused on usability, navigation, workflows, and overall product quality.
• Improve information architecture, menus, and user experiences across the application.
• Translate product and UX requirements into scalable technical solutions.
• Collaborate closely with product managers, designers, UX professionals, and engineering teams.
• Troubleshoot and resolve issues across the application stack.
• Identify opportunities to improve application functionality, performance, and maintainability.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews, technical discussions, testing, and Agile development practices.
• Contribute to improving development processes, application quality, and engineering standards.

Required Qualifications

• Strong professional experience in full-stack software development.
• Strong hands-on experience with React.
• Experience developing and integrating APIs and backend services.
• Solid understanding of modern web application architecture.
• Experience working across both front-end and backend technologies.
• Experience building, debugging, and maintaining production applications.
• Strong problem-solving and troubleshooting skills.
• Ability to collaborate effectively with product, design, UX, and engineering teams.
• Strong communication and teamwork skills.

Preferred Qualifications

• Professional experience with Ruby on Rails.
• Experience working with enterprise-scale applications.
• Experience with databases and backend data models.
• Experience with automated testing across the application stack.
• Familiarity with CI/CD and modern software development practices.
• Experience with design systems or reusable front-end component libraries.
• Familiarity with accessibility, performance optimization, and responsive web development.
• Experience working in an Agile/Scrum environment.

What You'll Bring

You are a senior full-stack engineer with a strong front-end foundation and proven React expertise, combined with the ability to work effectively across the application stack.

You enjoy solving both technical and product challenges and are comfortable contributing to improvements that enhance usability, simplify workflows, and create a better overall user experience.