Senior Full Stack Engineer

Date Posted: 2026-07-10 Country: United States of America Location: US-CT-REMOTE Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required At RTX, the world's 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. Join us and help shape the future of aerospace and defense. This role is a senior technical leadership position responsible for integrating and delivering production-grade AI, machine learning, and data capabilities at RTX. The position combines hands-on software engineering with system-level design, leading end-to-end development of scalable, cloud-based solutions that leverage LLMs, MLOps, and automation. Working closely with cross-functional stakeholders, the role balances near-term delivery with long-term platform strategy while mentoring engineers and promoting strong engineering best practices. What You Will Do: Develop and maintain full-stack web applications using React.js for front-end development and Python and node.js for back-end services. Build and deploy applications on AWS and Azure cloud platforms, ensuring scalability and reliability. Collaborate with cross-functional teams to ensure smooth integration and successful solution delivery, aligned with agile principles of teamwork and transparency. Write clean, testable, and efficient code with a strong emphasis on performance, scalability, maintainability, and comprehensive documentation to support long-term development. Integrate APIs and microservices to support enterprise-grade applications. Work with SQL databases to design, query, and optimize data storage solutions. Implement best practices for version control and CI/CD pipelines using GitHub and other DevOps tools. Leverage knowledge of AI technologies, including Retrieval-Augmented Generation (RAG), to enhance application capabilities and workflows. Participate in code reviews, architecture discussions, and agile ceremonies. Work in a highly regulated, security-conscious environment, ensuring compliance with industry standards. What You Will Learn: This role is perfect for someone who loves working across the stack, solving challenging problems, and exploring cutting-edge AI technologies Strong problem-solving skills with the ability to navigate ambiguity, define technical direction, and drive end-to-end solutions. Qualifications You Must Have: Bachelor’s degree and 10 years of prior relevant experience OR Advanced Degree in a related field and minimum 8 years of experience. Proficiency in React.js, Python, and cloud platforms like AWS and Azure. Experience with CI/CD pipelines and infrastructure automation tools (GitHub Actions, Jenkins, etc.). Strong understanding of front-end development, including responsive design and modern JavaScript frameworks. Knowledge of back-end development, including RESTful APIs and SQL database integration. Qualifications We Prefer: Experience with containerization tools like Docker and orchestration platforms like Kubernetes. Familiarity with AI technologies, including RAG, NLP, and related frameworks. Strong problem-solving skills with the ability to navigate ambiguity, define technical direction, and drive end-to-end solutions. Understanding of DevOps methodologies and best practices. Demonstrated deep technical curiosity and the initiative to dive into complex challenges. Demonstrated deep technical curiosity and the initiative to dive into complex challenges. Learn More & Apply Now Work Location: Remote Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.