
Senior React Web Developer
Role summary
Lockheed Martin seeks a Senior React Web Developer to join their web and mobile design team. This role involves creating rich web applications by translating UI/UX designs into code, primarily using React, JavaScript, and TypeScript. You will connect front-end applications to data sources via APIs, collaborate with designers and backend developers, and contribute to front-end architecture decisions. Responsibilities include optimizing performance, reviewing code, mentoring junior developers, and troubleshooting technical issues. The position offers a hybrid work model, with a mix of remote and onsite work at a Lockheed Martin facility.
Basic Qualifications
Bachelor’s degree in computer science/related field or completion of certification program in web development
Proven experience building enterprise web applications using JavaScript /Typescript, CSS, and especially React
Experience with modern React tools and libraries (e.g. shadcn/ui, Tailwind CSS, TanStack, etc.)
Experience consuming RESTful APIs
Experience with web and mobile application architectures
Job Description
Senior React Web Developer
What You Will Be Doing
Lockheed Martin is a global security and aerospace company offering an exceptional opportunity to join an internal highly motived, talented and collaborative web and mobile design team. We are seeking a Front-end Developer to join our multidisciplinary team-based work environment.
This is a virtual-possible position working with a team across different US locations. Working closely with UI/UX designers and Back-end Developers to create rich and engaging web sites and applications for internal and external clients. Some of the job responsibilities include:
Bring UI/UX designs to life using JavaScript and other code languages, mainly React.
Connect application front-end to data sources and web services using APIs Contribute ideas and perspective on team direction and technologies
Key Responsibilities
- Develop and maintain modern, scalable web applications using React and related front-end technologies
- Translate UI/UX designs into high-quality, responsive, and accessible user interfaces
- Integrate front-end applications with APIs, data services, and backend systems to ensure seamless functionality
- Collaborate closely with UI/UX designers, backend developers, and cross-functional teams to deliver cohesive digital solutions
- Lead front-end architecture decisions and contribute to the evolution of development standards, tools, and best practices
- Optimize application performance, scalability, and maintainability across multiple platforms and devices
- Review code, provide technical guidance, and mentor junior developers to elevate overall team capability
- Troubleshoot and resolve complex technical issues across the application stack
- Contribute innovative ideas to improve user experience, development efficiency, and overall product quality
- Stay current with emerging front-end technologies and recommend adoption where appropriate
What’s In It For You
From onsite to remote, we offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin’s comprehensive benefits package here.
Who You Are
You are an experienced front-end developer with deep expertise in React and modern JavaScript frameworks, and a passion for building intuitive, high-performing user experiences. You thrive in a collaborative, fast-paced environment and enjoy working across disciplines to bring ideas to life. With a strong eye for detail and a commitment to clean, maintainable code, you take pride in delivering polished, user-centric applications. You are a proactive problem-solver who can navigate complex technical challenges, influence team direction, and mentor others while continuing to grow your own skillset.
Desired Skills
Comfortable owning product features from concept to completion
Ability to collaborate with UI/UX Designers and Backend Developers to align on tradeoffs
Ability to lead technical discussions and guide fellow developers through technical challenges
Ability to define and influence API contracts (scalable JSON request/response structures)
Working knowledge of AWS, analyzing CloudWatch logs for debugging
Strong experience with Git and version control, code reviews, and mentoring other developers
Experience implementing authentication/authorization flows (JWT, OAuth, SSO)
Experience with AI code generation but not overly reliant on it
Experience with CI/CD pipelines and deployment workflows
Exposure to additional AWS services (S3, EC2, ECS, etc.)
Experience with design systems or building reusable component libraries
Experience working in Agile teams
Basic understanding of relational databases and SQL (Writing select statements)
Experience working with Figma
Experience working with CMS frameworks (e.g. WordPress, Strapi)
Other Important Information
By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to work remotely
Part-time Remote Telework: The employee selected for this position will work part of their work schedule remotely and part of their work schedule at a designated Lockheed Martin facility. The specific weekly schedule will be discussed during the hiring process.
Sample Lockheed Martin interview questions
- 1
Build a real-time collaborative platform for coding teams.
system designmedium - 2
Design a system for real-time processing of mobile app analytics.
system designmedium - 3
Maximum Depth of an N-ary Tree Find the maximum depth of an N-ary tree. Input: root = [1,null,2,null,3,null,4] Output: 4 Explanation: The tree is essentially a straight line, requiring a traversal that reaches a maximum depth of 4 layers.
codingmedium - 4
Split Array into Consecutive Subsequences Split an array into consecutive subsequences. Input: nums = [1,2,3,4,4,5] Output: FALSE Explanation: The numbers can form [1,2,3,4], but the remaining leftover group [4,5] is too short to form a valid sequence of length 3.
codingmedium - 5
Merge a New Interval Merge a new interval into a list of non-overlapping intervals. Input: intervals = [[1,2],[3,5],[6,7],[8,10],[12,16]], newInterval = [4,8] Output: [[1,2],[3,10],[12,16]] Explanation: The new interval overlaps with [3,5], [6,7], and [8,10], merging them all into the unified block [3,10].
codingmedium
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