Senior Full Stack Developer
Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Jul 17, 2025. Nuclear Promise X scores C on the Alion truth index.
Current Opportunity Posting: We are actively hiring for 2 openings. Applications submitted through this posting will be considered for the current vacancy, and may also be considered for future opportunities that align with a candidate's experience and interests.
About Us
NPX partners with nuclear utilities and new reactor projects to unlock performance through innovation. We combine decades of nuclear operation expertise with AI, digital tools, and lean processes, to help plants run safer, smarter, and more cost-effectively. Our Digital Transformation team scales this expertise through both NPX-developed and industry-leading products, delivering solutions to clients across Canada, the U.S., and globally.
The Role
We’re looking for a Senior Full Stack Developer to help build the future of digital solutions at NPX. You’ll play a critical role in shaping products that make nuclear safer, faster, and more cost-effective.
We’re looking for someone who has:
Led the development of a full-stack application from scratch.
Built on top of an existing application to set it up to scale across clients.
Deep expertise in React, JavaScript, TypeScript, Express, and Node.js, and can use this to design intuitive front-end experiences and scalable back-end systems.
A curiosity and interest in AI: you don’t need to be an expert, but you’re eager to experiment and learn.
If you’re driven by impact, thrive in a fast-moving environment, and want to help shape the digital future of nuclear, we’d love to meet you.
Salary Range: $140-190k (Exact compensation may vary).
What You’ll Drive
The development of an application from scratch, and building on top of an existing application, to set our products up to scale across multiple clients in the nuclear industry.
The implementation of new features and integrations to enhance the application’s capabilities.
Partner with engineers, designers, and analysts to solve complex technical challenges and improve application performance.
Proactively identify and improve code quality, system performance, and scalability to make the platform more reliable and maintainable.
Translate complex technical challenges into actionable plans, ensuring the platform continues to support safer, faster, and more cost-effective nuclear operations.
What You Bring
Results & Impact: you deliver measurable outcomes and business value.
Leadership & Influence: you elevate team performance and create influence without being asked.
Adaptability & Growth: you thrive in dynamic environments and embody a growth mindset.
Initiative & Innovation: you proactively identify and solve problems.
Cultural Amplification: you strengthen our culture and role model our values.
What You’ll Find Here
To do great work, you need to be well in mind, body, and soul. At NPX, we design our environment around the whole person, not just the job they do.
Mind: Tools and support for mental wellness, professional growth, and financial security.
Body: Health coverage, a spending account, and the freedom to rest and recharge.
Soul: Meaningful work, alignment with your values, and time to refresh with time off.
Financial wellbeing? Covered. That means competitive pay and recognition for the impact you make.
NPX provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity, or gender expression. We are committed to a diverse and inclusive workforce and welcome people from all backgrounds, experiences, perspectives, and abilities.
Pssst. Just a heads up that we use AI to help in the filtering of candidates based on job-specific criteria. Humans decide who to move forward, and this way we're able to spend more of our time supporting our candidates directly.