Principal Specialist- Full Stack Development(Python Fast API,ReactJS)

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Please NOTE: WE are looking only for Immediate Joiners

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

Pratt and Whitney (PW) has an opening for a Principal Specialist, Full stack role. We are looking for a skilled Full Stack Developer with strong expertise in FastAPI (Python) on the backend and React on the frontend, who has a solid understanding of Azure Active Directory (AAD) for secure Single Sign-On (SSO) and Role-Based Access Control (RBAC). You will be responsible for designing and building a secure, scalable full-stack application hosted on Azure App Services, integrating with Azure SQL Database, and visualizing analytical data through interactive dashboards. This role requires ownership of both frontend and backend components with a strong emphasis on performance, scalability and clean architecture.

What You will do:

• Design and develop full-stack web applications using React (frontend) and FastAPI (backend).
• Implement secure authentication and authorization using MSAL.js in React and Azure AD in FastAPI.
• Integrate user input forms and persist data into Microsoft SQL Server via SQLAlchemy.
• Build and integrate dynamic visualizations using Chart.js for forecasted data in the frontend.
• Ensure CI/CD deployment to Azure App Services and maintain integration with Azure-native tools for monitoring, logging, and performance tuning.
• Implement RBAC and claims-based access using Azure AD and handle secure data access per user roles.
• Ensure best practices in code quality, security, and performance across the stack.
• Conduct code reviews, mentor junior developers, and maintain coding standards.
• Participate in agile development cycles and cross-functional planning.

Qualification you must have :

Bachelor’s degree in Computer Science, Science, Technology, Software Engineering, or Mathematics (STEM) a related field, or equivalent practical experience with minimum of 7 years of prior relevant experience unless prohibited by local laws/regulations..

Backend

• Expert in Python with 5+ years of experience using FastAPI.
• Experience working with SQLAlchemy, Pydantic, and REST API design principles.
• Experience designing and securing RESTful APIs.
• Experience in securing APIs using Azure Active Directory (OAuth2 / OpenID Connect).
• ·Strong knowledge of code architecture, design patterns, and scalability.

Frontend

• 5+ years of hands-on experience with React.js and JavaScript (ES6+).
• Good understanding of component architecture, hooks, and state management (Redux/Context API).
• Experience working with MUI framework , ANT UI or any other framework
• Comfortable working with data visualization tools (Chart.js, Recharts, etc.).
• Strong skills in front-end technologies, HTML, CSS, and JavaScript fundamentals.
• Exposure to UI/UX design tools such as Figma, Sketch, Adobe XD, or similar.
• Hands-on knowledge of MSAL.js for Azure AD authentication.
• Strong communication and teamwork skills to collaborate with cross-functional teams.

Good To have

• Experience working in Agile/Scrum development environments.
• Exposure to Docker and containerized deployments.
• Knowledge of Azure B2C or multi-tenant Azure AD setups.
• Prior experience in mentoring or leading a small dev team.
• Experience using version control systems (e.g., Git) and CI/CD tools.

Cloud & DevOps:

• Hands-on experience with Azure App Services, Azure SQL Database, and Azure Monitor / App Insights.
• Knowledge of CI/CD pipelines, preferably using GitHub Actions or Azure DevOps.
• Familiarity with Azure Key Vault, Managed Identities, and RBAC in cloud environments.

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Candidates will learn more about role type and current site status throughout the recruiting process.

What We offer

• Long-term deferred compensation programs

• Daycare for young children

• Advancement programs to enhance education skills

• Flexible work schedules

• Leadership and training programs

• Comprehensive benefits, savings, and pension plans

• Financial support for parental leave

• Reward programs for outstanding work

Role Type: Hybrid - Employees who are working in Hybrid roles will work regularly both onsite and offsite.

Employment Type:

• Full-time

This position requires flexibility to support outside the regular office hours as per the need basis

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.  

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