Who We Are

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more.

Expected salary range of $117,900 to $131,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Primary Purpose of Position

Front End Developer to design, build, and maintain customer?facing web and mobile applications using React Native and Next.js. The ideal candidate will have strong experience delivering high?performance, multilingual, secure applications deployed on the Microsoft Azure platform. This role requires close collaboration with UX, backend, product, and DevOps teams to deliver seamless digital customer experiences.

Primary Duties and Accountabilities

• Engage with business partners to gather information, analyze requirements and deliver practical, efficient and cost-effective solutions that satisfy business needs.
• Write product specifications and design documentation for assigned system components.
• Design, develop, and review complex code and technical architecture to ensure alignment with functional and technical specifications; deliver solutions including web, mobile, full stack, and integration applications across on premises and cloud environments; develop automated unit and UI tests.
• Lead engineering team and provide oversight for less experienced engineers; Stay on top of latest technologies and trends.
• Using error reports, establish priorities and assign out bugs to relevant team members for resolution.
• Support development of version control principles (e.g. Git and working within an agile environment), CI/CD pipeline and various automations.
• Ensure all risks and issues that affect the project are captured following set process and are actioned appropriately.
• Enhance knowledge of and compliance with preferred technologies, methodologies, standards and policies.
• Maintain and enhance technical knowledge and business acumen within the relevant discipline or function.

• Build and enhance customer facing web (Next.js/React) and mobile (React Native) experiences with reusable, accessible components, consistent UX, multilingual support (i18n/l10n), and reliable delivery via Azure CI/CD pipelines.
• Deploy and operate front end apps on Azure services (App Service/Static Web Apps/CDN/containers), implement secure sign-in with Azure AD B2C/OAuth, and integrate backend capabilities through Azure API Management and microservices.
• Integrate REST APIs end to end and partner with .NET/API teams to define contracts, streamline data flows, and improve security, validation, and error handling across the client.

Minimum Qualifications

• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related technical field with at least 5 years of relevant experience, or, in the absence of a degree, a minimum of 9 years of relevant experience

• Demonstrated ability to lead small to medium teams in delivering software solutions
• Demonstrated strong software development capabilities coupled with the ability to work under tight deadlines
• Teamwork and self-motivation skills to achieve success in a rapidly evolving environment
• Excellent communication and presentation skills, with the ability to translate technical concepts for diverse audiences
• Knowledge of operating systems such as Windows or cloud platforms such as Azure, Amazon Web Services, or Google Cloud
• Strong knowledge of software development languages, such as Python, C#, JavaScript, Node.js, .NET, HTML or Angular
• Strong knowledge of SQL or NoSQL databases such as Oracle, SQL Server, Cosmos DB, MySQL, Redis, or Splunk
• Strong understanding of advanced programming concepts, data structures, and algorithms

Preferred Qualifications

• Proven delivery of production web/mobile apps using React.js, React Native, and Next.js with strong command of JavaScript/TypeScript, HTML, and CSS for modern UI development.
• Experience deploying and troubleshooting applications on Microsoft Azure.
• Demonstrated ability to integrate and debug RESTful APIs.
• Working knowledge of UI frameworks, state management patterns, and component libraries.

• Azure Front Door; App Service; Static Web Apps; CDN; Azure DevOps (Repos/Pipelines); Docker/Kubernetes; Azure AD B2C/OAuth; Git; VS Code; npm/yarn; CI/CD
• Solve problems with strong analytical and debugging skills.
• Communicate clearly and collaborate effectively across teams.
• Partner with UX, product, and engineering to deliver on shared goals.
• Bring a customer?first mindset and a high bar for UX quality and detail.