Top Java Developer Jobs in Seattle, WA

Lead design, development, testing, and deployment of scalable Java/Spring Boot/Angular applications. Provide technical leadership and mentorship, define architectures, collaborate with product and cross-functional teams, review code, ensure quality/security/performance, troubleshoot production issues, and drive process and tool improvements.

Leads architecture and technical direction for scalable, high-availability software services. Owns complex, multi-team initiatives, makes autonomous technical decisions, partners cross-functionally, mentors engineers, establishes standards, and advocates for quality. The role develops mission-critical systems supporting millions of endpoints and requires deep Java expertise, scalable system design, API development, relational databases, and strong testing practices.

Build scalable, API-first platform capabilities through manifest-driven development. Develop Java and Kotlin backend services and Python workers for third-party integrations, collaborate across engineering teams, participate in architecture reviews, and troubleshoot production systems using logs, metrics, and traces. The role requires expertise in highly scalable systems, object-oriented design, REST services, relational databases, responsive messaging, caching, and software quality practices.

Leads development and architecture of scalable Java software for NinjaOne’s endpoint management platform. Designs high-availability systems, addresses large-scale datastore performance and data-volume challenges, contributes to APIs and platform improvements, drives quality practices, owns technical initiatives, collaborates cross-functionally, and mentors junior engineers.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.

Lead development and architecture of highly scalable Java services supporting NinjaOne’s third-party patching catalog. Design high-availability systems, solve complex scalability and system-design challenges, improve quality and performance, collaborate cross-functionally, mentor engineers, and own technical initiatives. The role requires expertise in Java, RESTful APIs, Spring, relational databases, caching, asynchronous application design, and large-scale cloud systems.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Lead development of scalable Java software for endpoint management and IT operations. Design high-availability systems, influence architecture, solve complex scalability challenges, improve quality practices, collaborate cross-functionally, mentor engineers, and own technical initiatives supporting millions of endpoints and servers.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

Design and develop scalable, high-availability software for NinjaOne’s IT Operations products. Build and improve Java and Kotlin applications, implement design patterns, solve enterprise-scale challenges, optimize data structures and databases, develop REST services, and contribute to client-server systems supporting millions of endpoints. Collaborate with engineers to maintain high-quality testing and reliable product delivery.

Design and develop scalable, highly available software systems for NinjaOne’s IT Operations platform. Build Java and Kotlin applications, implement enterprise design patterns, optimize systems serving millions of endpoints, and contribute production code. Responsibilities include REST service development, relational database work, client-server messaging, caching, scalability improvements, and quality testing. The role collaborates with engineers to deliver reliable cloud services supporting worldwide operations.

Develop and maintain advanced PTC Windchill customizations using Java, APIs, services, workflows, listeners, processors, JSP, and HTML. Extend data models, build asynchronous processes, optimize performance, support upgrades and migrations, and provide post-go-live troubleshooting. The role includes code and design reviews, technical documentation, stakeholder collaboration, and mentoring junior engineers while maintaining upgrade-friendly platform customizations.

Designs, develops, tests, documents, and operates large-scale distributed software products for Allstate’s Enterprise Payments organization. Responsibilities include building Java and Spring Boot REST APIs, designing microservices, collaborating on system architecture, practicing paired programming and test-driven development, establishing CI/CD pipelines, improving performance, securing APIs, supporting production applications, and contributing to Agile planning, retrospectives, and knowledge sharing.

Maintain and support Java-based healthcare SaaS applications across multiple customer environments. Responsibilities include bug fixes, feature delivery, refactoring, deployments, security remediation, SQL and data migrations, code reviews, configuration improvements, and production support. The role requires a generalist software engineer comfortable with Java, Angular, SQL, REST APIs, enterprise applications, and customer-facing environments.

Design and develop Java microservices, REST APIs, ingestion pipelines, reconciliation workflows, and JasperReports solutions. Write SQL for data validation and reporting, integrate with legacy Datacom/CICS systems, and perform unit, integration, API, batch, and end-to-end testing. Troubleshoot application and data issues, support UAT and defect triage, modernize PACER reporting, and collaborate with stakeholders, vendors, business users, and cross-functional teams.

Develop Java applications using JSP, Struts 2, and MVC. Build or maintain reporting solutions with JasperReports or SSRS, and support applications running on Linux servers with load balancers, JBoss, Apache, and WildFly.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

Develop and maintain secure, scalable full-stack applications using Java and React. Build RESTful APIs, microservices, responsive interfaces, and cloud-native solutions. Collaborate with UX, cloud, DevOps, and testing teams; support CI/CD, cloud deployments, code reviews, troubleshooting, Agile ceremonies, change management, regression testing, and production releases.

The posting provides only a generic description of a Java Developer role and does not specify concrete responsibilities, qualifications, or performance expectations.

Develops software applications using Java and performs responsibilities associated with a Java development role. The provided description contains no specific duties, qualifications, performance measures, or project details.

The job description provides no role-specific responsibilities or qualifications beyond identifying the position as a Java Developer.

The provided description contains no role-specific responsibilities or qualifications beyond the title. The position appears to involve Java software development.

The provided description contains only a generic explanation of what a job description is and does not specify duties, responsibilities, qualifications, or success measures for the Java Developer role.

The provided description contains only generic boilerplate and does not specify role-specific responsibilities, qualifications, technologies beyond the Java Developer title, or performance expectations.

Develops software using Java. The provided description contains no specific duties, qualifications, performance measures, salary details, travel requirements, or clearance requirements beyond identifying the role as an ORX Java Developer.