> Markdown version of [/jobs/ext/4700382-full-stack-engineer-web-mobile-3711519](https://www.wearedevelopers.com/jobs/ext/4700382-full-stack-engineer-web-mobile-3711519). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Engineer (Web & Mobile) - 3711519 - **Company:** LIGHTHOUSE - **Location:** Buffalo, NY, United States - **Experience:** Expert - **Salary:** $124,800 - $135,200 - **Contract:** Temporary to permanent - **Skills:** Java (Programming Language), Apple IOS, Software Applications, Code Review, Mobile Application Software, Software Engineering, Systems Architecture, Web Applications, ReactJS, Swiftui, Spring-boot, Backend, Jetpack Compose - **Published:** November 13, 2026 - **Apply:** https://www.careerbuilder.com/job-details/full-stack-engineer-web-mobile-3711519-buffalo-ny--9e0b9d19-5532-4ad2-92e4-fd0e39bf6809 ## About the Role Java, React.js, Software Design, Software Development, Leadership, Technical Leadership, Mentoring, Technical/Engineering Design, System Architecture, Code Reviews, * 6+ years of experience designing and developing full stack software applications * Strong backend development expertise with Java and Spring Boot * Proven experience building modern web applications with React * Hands-on experience developing native mobile apps using SwiftUI for iOS and Jetpack Compose for Android * Demonstrated ability to solve complex technical problems and identify root causes * Excellent communication skills with ability to explain technical concepts to diverse audiences * Track record of successfully architecting, recommending, and implementing system solutions * Experience collaborating between technical teams and business stakeholders to deliver results ## Description Lighthouse Technology Services is partnering with our client to fill their Full Stack Engineer (Web & Mobile) position! This is a 3-4 month contract with potential to extend and will be hybrid in Buffalo, NY or Wilmington, DE. This role will be a W2 employee of Lighthouse Technology Services. No C2C or subcontracting arrangements will be considered. What You'll Be Doing: * Design and develop full stack applications using Java/Spring Boot, React, SwiftUI, and Jetpack Compose * Serve as a technical expert and advisor for developers, business teams, and leadership * Provide technical guidance and mentorship to junior and mid-level developers on the team * Architect and document system designs, technical specifications, and implementation decisions * Conduct thorough code reviews and testing to ensure quality and performance standards * Maintain and enhance existing applications while driving new feature development * Recommend and implement process improvements, new technologies, and tooling upgrades * Collaborate with business stakeholders to translate requirements into scalable technical solutions * Manage multiple concurrent projects while maintaining deadlines and delivery commitments