Position Overview

For more than 40 years, Calian has been solving the world’s most complex problems by pairing the brightest minds with powerful technology. Calian solutions impact the world; from the satellites in space that connect us to the farms that feed us, from the medical professionals who care for us to the governments, schools and companies that make the world better every day.

This is a unique opportunity to join Calian’s Nuclear division that has experienced tremendous growth over the last few years as we continue to power Canada’s Nuclear future, supporting projects and customers in Ontario, New Brunswick, and Saskatchewan. We are a team of purpose-driven, collaborative and passionate people, and we are constantly looking for others to join Calian to ignite new and innovative approaches to problem-solving that push us forward to improve life on Earth. If you’re excited to expand our position in nuclear, and driven to inspire the next generation, we’ll take you there.

Calian Nuclear is a proud participant of the #Equalby30pledge, which represents our commitment to diversity, equity and inclusion by ensuring access to equal pay, equal opportunities, and equal leadership. As a team, we’re proud to be on our way towards gender equality and will continue to advocate for women and diversity in the energy sector.

The Calian Nuclear team provides a comprehensive range of services covering the entire nuclear lifecycle. This includes Safety Analysis, Licensing, Emergency Preparedness, Environmental Protection, Decommissioning, Waste management, and cutting-edge Systems Engineering and Robotics.

Position Overview

Calian Nuclear is looking to hire a Software Development Intern with a computer engineering or computer science background to support with the maintenance and development of its proprietary software, Calian ResponseReady™. This individual will work alongside both technical and non-technical teams to define and build new features and capabilities within the software and support the development of non-technical components of the software including promotional materials, software roadmaps, and other administrative tasks.

Responsibilities

• Evaluate software requirements and create innovative functionalities;
• Develop, build, and maintain efficient, reusable, and dependable code;
• Optimize applications for performance, quality, and responsiveness;
• Identify and resolve performance, usability and scalability issues;
• Document application changes and development updates;
• Develop product-related information packages, brochures, and other technical documents; and
• Act as a resource to the Senior Director, Product Manager, and Project Managers in support of developing business opportunities and proposals.

Qualifications

• Must be currently enrolled in a University Degree program within a relevant discipline

• Strong verbal and written communication skills;

• Proficiency in JavaScript, TypeScript, HTML, and CSS;

• Experience with React ecosystem and frameworks such as Next.js;

• Experience with Node.js ecosystem and frameworks such as Express.js;

• Ability to build modern, clean, and responsive user interfaces, and knowledge of best practices in UI design;

• Familiarity with REST APIs and back-end services;

• Ability to understand and write technical documentation; and

• Must be eligible for a reliability-level government security clearance.

Assets:

• Experience with building iOS and Android applications using React Native;

• Experience with large language models (GPT) and APIs such as OpenAI Platform;

• Knowledge of relational databases (MySQL) and ORM libraries (Prisma.js);

• Experience with cloud-based services and platforms (AWS);

• Understanding of version control systems (Git) and platforms (GitLab);

• Familiarity with PHP-based applications and frameworks (CodeIgniter, WordPress);

• Experience and proficiency in writing technical documents; and

Ability to think independently and provide insight and solutions to complex problems.

Job Start/End Dates: May 1st, 2026 – September 1st, 2027 (16-months)

Application Deadline: January 9th, 2026

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