Senior Full-Stack Software Engineer (Onsite)

RTX•East Hartford, CT

1d•$86,800 - $165,200•Onsite

About The Position

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. Join a team dedicated to building and maintaining Pratt & Whitney’s Development Network Application (DNA), a cloud-enabled, full-stack web platform that integrates data from multiple enterprise systems to streamline engine test, assembly, and validation workflows. This role focuses on creating scalable, modern web applications to support critical business operations and improve efficiency across various engineering processes. In this role, you’ll deepen your understanding of how modern web applications drive efficiency, insight, and alignment across large engineering organizations. Craft user experiences that turn complex information into intuitive, meaningful visualizations. Participate in shaping backend service patterns that support growth, reliability, and clarity. Work with data contexts to understand how information becomes actionable for real users. Navigate cloud‑based delivery environments where performance, security, and resilience all matter. Refine features through close collaboration with stakeholders, focusing on usability, clarity, and workflow improvement.

Requirements

Bachelor degree in Science, Technology, Engineering or Mathematics (STEM)
5 years of engineering experience, or an Advanced degree with 3 years of engineering experience.
Experience in full-stack development using modern web technologies for both frontend and backend applications.
Experience integrating data from multiple enterprise systems to support business operations.
Experience designing and maintaining scalable backend services and APIs.
U.S. Citizen - The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Nice To Haves

Experience building dashboards or data-driven workflow tools for engineering or operations teams.
Familiarity with cloud-native frameworks (e.g., Quarkus) for building maintainable backend architectures.
Experience developing mobile-friendly or multi-platform interfaces (browser and mobile).
Experience supporting integrations across multiple test, assembly, or validation phases, such as dashboards or discrepancy tracking tools.
Experience enabling process automation or efficiency-improving features in complex engineering environments.
Experience deploying and supporting applications in cloud environments.

Responsibilities

Design, build, and maintain scalable backend services, APIs, and cloud-native architectures to support enterprise applications.
Develop modern web applications, including frontend and backend components, to enable dashboards, workflow automation, and multi-disciplinary integrations.
Implement reliable enterprise data integrations to streamline communication and reduce operational risks.
Deploy and support applications in cloud environments, ensuring high performance and maintainability.
Collaborate with business stakeholders and engineering teams to deliver features that address program needs and enhance operational transparency.
Support the expansion of platform capabilities, including browser-based and mobile-friendly interfaces.
Maintain accountability for the quality, performance, and continuous delivery of software solutions.