> Markdown version of [/jobs/ext/3625961-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/3625961-full-stack-engineer). 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 - **Company:** Quantum World Technologies Inc - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, HTML5, Automation of Tests, Cascading Style Sheets (CSS), Code Review, Databases, Spring Framework, NoSQL, Performance Tuning, Software Architecture, Next.js, Software Engineering, TypeScript, Enterprise Software Applications, ReactJS, Spring-boot, Backend, AngularJS, Front End Software Development, Restful APIs, Microservices - **Published:** October 8, 2026 - **Apply:** https://www.disabledperson.com/jobs/75885761-full-stack-engineer ## About the Role * 8+ years of software development experience. * Strong Java, Spring, and Spring Boot experience. * Strong experience with React.js, Next.js, Angular, or similar frameworks. * Proficiency in JavaScript/TypeScript, HTML5, and CSS3. * Experience with REST APIs, microservices, databases, and automated testing. * Strong understanding of software architecture, performance, security, and scalability. * Excellent problem-solving and communication skills. ## Description We are looking for a Senior Full Stack Developer with 8+ years of experience to build scalable, high-performance enterprise applications. The ideal candidate will have strong Java/Spring backend expertise combined with hands-on experience in modern front-end technologies such as React.js, Next.js, or Angular., * Design and develop scalable applications using Java, Spring, and Spring Boot. * Build responsive, reusable, and accessible UIs using React.js, Next.js, Angular, JavaScript/TypeScript, HTML5, and CSS3. * Develop and integrate RESTful APIs and microservices. * Work with relational and NoSQL databases. * Contribute to architecture, technical design, code reviews, and performance optimization. * Develop unit, integration, and UI automated tests. * Ensure applications meet standards for performance, security, accessibility, and scalability. * Collaborate with product, UX/UI, architecture, QA, and engineering teams in an Agile environment. * Mentor junior engineers and contribute to engineering best practices.