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Nisum

Senior Java Fullstack Developer

Nisum, Pleasanton, California, United States, 94566

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We are looking for a skilled Full Stack Developer with strong backend expertise in Java and Spring ecosystem and solid front-end development skills. The ideal candidate will be comfortable working across the full technology stack—designing, developing, and integrating scalable applications with seamless user interfaces. What You'll Do Design, develop, and maintain backend services using Java 11/17, Spring Boot, Spring WebFlux. Build and consume RESTful APIs for integration with frontend and external systems. Develop interactive and responsive UI features using Angular/React (JavaScript, TypeScript, HTML5, CSS3). Ensure consistent, secure, and scalable implementations across front-end and back-end. Work with relational and NoSQL databases (MySQL/Oracle, MongoDB, Azure Cosmos DB). Collaborate with DevOps and QA teams for CI/CD, automated testing, and deployments. Write unit and integration tests (JUnit, Mockito, Jasmine/Karma) to ensure code quality. Optimize application performance across backend and frontend layers. Participate in agile ceremonies and work closely with product, design, and business stakeholders. What You Know Strong programming skills in Java (11/17) and Spring Boot. Hands-on with REST API design and implementation. Proficiency in Angular (preferred) or React, with JavaScript/TypeScript, HTML5, CSS3. Good understanding of UI/UX principles and responsive design. Solid database knowledge (SQL + NoSQL). Familiarity with Git, Maven/Gradle, and CI/CD tools. Strong problem-solving and debugging skills. Nice To Have Exposure to cloud platforms (Azure, AWS, or GCP). Hands-on with Apache Kafka or other messaging systems. Knowledge of test automation frameworks (Selenium, Cypress, Playwright). Experience with microservices architecture and containerization (Docker, Kubernetes). Soft Skills Strong communication and collaboration abilities. Ability to work independently and within agile teams. Eagerness to learn and adopt new technologies quickly. Analytical mindset with focus on delivering high-quality solutions. Education Bachelor's degree required; MBA or technical background preferred. Compensation Band : $120K - $130K per year Seniority level

Mid-Senior level Employment type

Full-time Job function

Engineering and Information Technology IT Services and IT Consulting

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