Top Java Developer Jobs in Seattle, WA

Develop and maintain Java/J2EE applications using Spring, iBATIS, and enterprise middleware. Build scalable solutions, implement SOAP/REST web services, work on WebSphere/Tomcat, collaborate in Unix/Linux environments, and use Oracle databases and testing/logging tools (JUnit, log4j).

Senior Java Developer role (contract-to-hire) requiring 8+ years of IT experience to develop Java applications and work with Tomcat, Unix, and Oracle DBA-related tasks. Position located in Seattle with phone and in-person interviews.

Lead backend engineer on Merchant and Fraud Prevention team delivering secure, stable, and scalable production software. Design, develop, test, and troubleshoot backend and streaming systems, use SDLC toolchains and CI/CD, work with large data sets, and apply enterprise-authorized AI-assisted development tools while ensuring responsible AI use and operational resiliency.

The Junior Java Developer will write code in Java and work with either backend technologies like Spring and Hibernate, or frontend technologies like HTML, CSS, and JavaScript.

Seeking a Java Developer with expertise in Microservices, Spring Boot, and RESTful services, with a focus on API-first methodology and relevant technologies.

Looking for a Java Developer with 3 to 5 years of experience in ATG, Java/J2EE, web services, and Agile environments.

Looking for an experienced Java Developer with expertise in Spring, SOAP/REST services, JAXB, OSGI, Oracle, and Hibernate. Position available as contract or full-time.

Develop SDK libraries for Java applications, primarily for Windows Phone, while streamlining code for efficiency and reducing development time. Engage in a fast-paced environment with diverse technologies and a focus on problem-solving for developers.

Develop SDK libraries and REST APIs, focusing on reducing code complexity while maintaining coding standards in a tight deadline environment.

The Lead Java Developer will be responsible for leading agile teams, developing Java applications from scratch, and utilizing Docker for deployment. Must drive collaboration between onshore and offshore teams.

Develop and maintain high-performance Java applications, work on web and mobile applications, and collaborate in Agile/Scrum teams.

Lead a team of developers to design, architect, and deliver scalable, secure microservices-based enterprise applications. Hands-on coding, code reviews, performance tuning, CI/CD, cloud deployments, stakeholder collaboration, and mentoring. Drive architecture, HLD/LLD, root-cause analysis, and timely delivery in Agile environments.

Develop backend services for AI applications, focusing on software design, documentation, and code reviews. Requires proficiency in Scala and cloud environments.

Design, develop, test, deploy, and maintain enterprise Java applications for USPS. Build RESTful APIs with Spring, translate requirements into architecture, implement CI/CD/DevSecOps, integrate relational databases, troubleshoot complex issues, and collaborate with cross-functional Agile teams to deliver high-quality software solutions.

Senior Full Stack Java Developer to build and maintain enterprise-grade backend and UI applications. Collaborate with offshore teams; develop using Java, Spring Boot, Hibernate, ReactJS, Servlets/JSP; implement REST/SOAP services, database access, XML transformations, and unit tests; follow Agile and CI/CD practices.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

Seeking a Java developer/consultant for 6+ months to develop Java applications using Core/Advanced Java, Spring, Hibernate/JPA, web services, XML/JSON, and JUnit. Must have database exposure (Oracle or SQL Server), development background (not support), and be willing to take ATG Dynamo training on client site.

Design, develop and deploy Java/J2EE applications on AWS; create requirement specs, implement test automation (Selenium, JUnit, TestNG), perform UI/API testing, maintain test strategy and plans, and support Agile/CDCI processes in a retail-focused global delivery environment.

Design and deliver cloud-native Java/J2EE solutions and microservices, provide architecture and solutioning for cloud transformations (PCF/PaaS), support presales and client workshops, create technical collateral and guide competency development, and participate in implementation, performance tuning, and CI/CD practices.

Design, develop, and deliver high-volume, low-latency Java/JavaEE applications. Contribute across the development lifecycle, write testable code, ensure compliance with specifications, produce releases, and work in a global delivery environment.

Design and document requirements and business processes; develop, validate and deploy Java/J2EE applications on AWS; build and maintain test frameworks and automation; apply Agile/CD practices; create test strategy/plans, manage schedules and test environments; coordinate testing, report risks, and support global delivery with regular travel.

Design, develop, and maintain high-volume, low-latency Java/JEE applications. Participate across the development lifecycle, write testable efficient code, ensure compliance with specifications, produce releases, and work in a global delivery environment.

Develop and maintain APIs (REST and SOAP) and work with AWS infrastructure. Experience with Cognos is a plus. Contribute to solution delivery for client transformation initiatives.

Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.