Java Fullstack developer with UI

Role: Java Fullstack developer with UI Experience: 8 to 10 years Location: Seattle, W Job Type: Full Time Salary Range- $95,000-$125,000 a year Roles & Responsibilities We are seeking an experienced UI-primary Full Stack Developer with deep front-end engineering expertise. JavaScript is the top required skill. You will build modern, responsive web experiences and collaborate closely with backend and platform teams. Java server-side experience is highly desirable to support end-to-end delivery, API integration, and full lifecycle ownership. Key Responsibilities Design, develop, and maintain responsive, accessible, and performant user interfaces using JavaScript (ES6+), HTML5, and CSS3. Build reusable UI components and patterns; enforce UI standards and best practices. Develop with modern UI frameworks such as React or Angular; apply responsive web design concepts. Integrate front-end applications with backend services via REST APIs; collaborate on API contracts and data models. Highly desirable: contribute to backend development using Java and Spring (e.g., Spring Boot) to develop and maintain RESTful services. Implement and enhance CI/CD pipelines; automate builds, tests, and deployments; support application-side DevOps practices. Write clean, well-documented code and participate in code reviews to ensure quality and maintainability. Troubleshoot production issues across the stack; collaborate with cross-functional teams (QA, DevOps, Security) to resolve incidents. Work in Agile/Scrum teams; participate in sprint planning, grooming, demos, and retrospectives. Must-Have Skills JavaScript (ES6+) - advanced proficiency; strong understanding of asynchronous programming, performance, and debugging. Front-end engineering with HTML5 and CSS3; strong grasp of responsive web design and cross-browser compatibility. React or Angular - hands-on experience building enterprise web applications. Strong foundation in software engineering best practices: coding standards, code reviews, source control, build processes, testing, and operations. Git-based collaboration workflows (branching, pull requests, code reviews). Highly Desirable Skills Java (preferably modern versions) with strong OOP and design principles. Spring Boot / Spring MVC for building RESTful services; microservices exposure. Database skills: SQL and relational database experience; ORM knowledge (JPA/Hibernate) preferred. Security concepts: authentication/authorization; OAuth2/JWT familiarity is a plus. dditional Skills (Preferred / Nice-to-Have) TypeScript and modern front-end tooling (Node.js, NPM/Yarn, Webpack/Vite, ESLint/Prettier). UI testing: Jest and component testing; end-to-end testing tools such as Cypress or Playwright. PI testing and validation tools (e.g., Postman). CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and pipeline automation. Containerization and orchestration: Docker and Kubernetes. Cloud exposure: AWS or Azure deployment experience. Observability and production support: logging/monitoring tools (e.g., Splunk/ELK, Prometheus/Grafana); incident triage and troubleshooting. Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.