Top Senior Java Developer Jobs in Austin, TX

As a Software Engineer at Sonar, you'll develop features for SonarQube and SonarCloud, ensure code quality, lead architecture decisions, and mentor team members while focusing on cloud-native applications and agile methodologies.

Senior Java developer focused on front-tier development of a highly interactive application. Build and maintain GUI using Swing or GWT, implement and consume REST web services, work with MySQL, EJB, and JBoss, and develop using Eclipse IDE. Collaborate with team using common CI/CD and SCM tools.

Senior Java developer to maintain and scale a high‑profile sales application (Spectrum). Work includes Java backend development, REST web services, MySQL/Oracle integration, using Eclipse, EJB, JBoss and GWT frontend components. Collaborate with a small dev/QA team, redesign parts of the app, add interactive engineering document features, and follow agile practices. Strong communication skills required. Contract 6+ months.

Participate in full system lifecycle: analyze requirements, design, code, test, and implement J2EE web applications and integrations. Work with DBMS, application servers, build/release tools, and source control to deliver on-time solutions.

Design, develop, test, and deploy Java/J2EE applications and integrations. Lead implementation planning, gather and specify requirements, mentor junior developers, resolve defects, support production (on-call), and ensure database and SOX-compliant process documentation.

Design, develop, and maintain enterprise Java/JEE applications; troubleshoot and perform maintenance; manage full SDLC and releases; build DB ERD models and data models; perform SQL tuning and handle large Oracle/MS-SQL databases; create software designs and conduct code reviews.

Lead migration of legacy COBOL systems to Java-based microservices and develop scalable, secure full-stack solutions on Azure. Build RESTful APIs, optimize performance, ensure DoD cybersecurity compliance, collaborate across teams, document architectures, and participate in Agile ceremonies.

Design, develop, integrate, and support middle-tier integration solutions and a knowledge platform. Author design specs, implement SOA/REST services, perform unit/integration testing, and prototype new technologies for scalable multi-vendor systems.

Senior Java developer to maintain and redesign a scalable sales/procurement application (Spectrum). Work includes backend development (Java, REST), database integration (MySQL/Oracle), and collaboration with distributed teams to support dealer scale-up and add engineering document features.

The role involves analyzing requirements, conducting impact analysis, developing RESTful services, and deploying cloud-based solutions using the Spring framework.

The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.

The role involves building backend services for advisor productivity, integrating data sources, designing APIs, and contributing to both backend and frontend development in a greenfield project.

As a Senior Software Engineer, you will maintain and develop data connectors, enhance data integrations, and improve developer experience within the ClickHouse data ecosystem.

The role involves design and development of web applications, coding enhancements, and testing complex modules using Java and related technologies. Excellent communication skills are required, and local candidates are preferred.

The Senior Java Developer will lead the core platform team in developing scalable Java applications using various technologies within 2-week sprints.

As a Senior Full Stack Engineer, you'll design, build, and support robust platform solutions while integrating front-end components with back-end systems, managing CI/CD pipelines, and automating infrastructure.

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.

The Senior Java Developer will design, develop, and implement custom software solutions in Agile teams, mentor juniors, and ensure product quality.

KRG Technologies is seeking a Java Developer with at least 8 years of experience in Java/J2EE, networking, and related technologies.

Optimize and scale blockchain node performance, design and implement core system plugins, collaborate with cross-functional teams, conduct performance testing and debugging, and stay current on blockchain and distributed systems technologies to maintain reliable infrastructure.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

Lead design and implementation of payer-centric interoperability platforms, focusing on FHIR services and secure healthcare data exchange. Mentor engineers and improve scalability in production environments.

Design, develop and operate microservice-based components for a derivatives exchange platform. Collaborate with product, security and DevOps teams to build scalable, secure back-end systems with automated testing, CI/CD, and rapid deployment. Participate in code audits, testing, release, and cross-stack problem solving; optimize and implement trading models and products.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.

As a Java Software Engineer III, you will design, develop, and maintain scalable Java-based backend services, mentor other engineers, and influence architectural decisions in an agile environment.