Full Stack Software Engineer II (Hybrid - Aguadilla)

RTX (Raytheon); Aguadilla (PR); Hybrid; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Vacation: 3 weeks

401(k) with employer matching

ESP program

Life insurance

Disability coverage

EAP

Job summary

Collins Aerospace in Aguadilla, Puerto Rico is seeking a Full Stack Software Engineer II to contribute to scalable frontend and backend systems for an enterprise web platform. You will work with senior engineers to build UI components using React/Angular/Vue, develop RESTful services, and ensure security, testing, and CI/CD adherence.

U.S. citizenship is required; position is hybrid with 3 days onsite and 2 days remote; relocation is not offered.

Qualifications

• Typically requires STEM degree or 2+ years of relevant experience.
• English communication skills (verbal and written) required.
• U.S. citizenship required; access to program/contract systems.

Responsibilities

• Develop and maintain frontend components using React/Angular/Vue.
• Build scalable backend services and RESTful APIs.
• Ensure UI/UX quality, accessibility, and cross-browser support.
• Follow architecture, standards, security practices, and testing guidelines.

Skills

Frontend & Backend

JavaScript ES6+

TypeScript

React/Angular/Vue

Component architecture

Responsive design

CI/CD

English communication

OOP & modular

Education

STEM degree

Advanced degree

Tools

Job description

Date Posted: 2026-09-09

Country: United States of America

Location: US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access certain necessary systems. Security Clearance: None/Not Required

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

In this Full Stack Software Engineer II role, you will contribute to the development of scalable and maintainable frontend & back-end systems for an enterprise web platform. Work closely with senior engineers to build high-quality UI components, develop and integrate backend services and APIs and enhance user experience while following established architectural and design standards.

This position will sit at our Aguadilla, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

This role is categorized as hybrid , with 3 days onsite and 2 days remote following the schedule assigned by the Manager.

What YOU will do:

• Frontend Development & Engineering Fundamentals. Develop and maintain modular SPA components using React / Angular / Vue (Quasar preferred). Assist in implementing common design patterns such as: Component composition, Basic use of Strategy / Observer patterns, Support state management implementation (Redux, Pinia, NgRx) under guidance. Develop and maintain scalable backend services and RESTful APIs to support enterprise application functionality. Implement business logic, data access, and integrations with databases and other enterprise services. Follow established front end & backend architecture, coding standards, security practices, and testing guidelines. Ensure clear separation of concerns between UI and business logic.
• UI/UX Development. Build responsive and user-friendly interfaces. Develop UI components for dashboards, workflows, and forms. Translate design specifications into functional UI elements. Ensure cross-browser compatibility and basic accessibility compliance. Support performance improvements for smooth UI interactions.
• Performance & Optimization. Implement basic optimization techniques such as lazy loading and code splitting. Write efficient, clean code to support scalable applications. Assist in identifying and fixing UI performance issues.
• Engineering Practices. Strong foundation in JavaScript (ES6+) and exposure to TypeScript. Understanding of core programming concepts (OOP, modular design). Contribute to unit and integration testing. Work within CI/CD pipelines (as a user/contributor).

Qualifications you must have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 2 years of prior relevant experience or an Advanced Degree in a related field
• Demonstrated professional experience communicating in English (verbal and written).
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
• Frontend & back-end development experience.

Qualifications We Prefer:

• Experience with JavaScript (ES6+)
• At least one frontend framework (React / Angular / Vue)
• Component-based architecture
• Responsive web design
• Frontend & backend design patterns
• Experience building small to medium-scale web applications or features.

What We Offer

Some of our competitive benefits package includes:

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds
• Participation in the Employee Scholar Program (ESP)
• Life insurance and disability coverage
• Employee Assistance Plan, including up to 8 free counseling sessions.
• And more!

Collins Aerospace, an RTX business, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

Join our growing engineering team in Puerto Rico, where you will provide critical support to all Collins SBUs, working on exciting programs and projects ranging from the development of the next generation of advanced concept ejection seats to the latest technologies for the U.S. warfighter.

WE ARE REDEFINING AEROSPACE.

Please consider the following role type definition as you apply for this role.

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.

At Collins, th