Top Java Developer Jobs in Austin, TX

Develop and maintain scalable Java and Spring Boot backend applications and REST APIs. Optimize CPU, memory, and overall application performance; identify bottlenecks; resolve production issues; and contribute to architecture, code reviews, reliability, and scalability. The role also involves Node.js or Python FastAPI services, cross-functional collaboration, and potential work with GraphQL, generative AI, cloud platforms, containers, CI/CD, and monitoring tools.

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.

Leads the architecture and development of CatFace’s Minecraft mod ecosystem using Java and NeoForge, while applying AI-assisted development practices. Translates creative needs into technical plans, leads the Technical Production Assistant team, evaluates tools and emerging technologies, and ensures reliable systems for content production. The role requires cross-functional collaboration, troubleshooting before recording, and onsite work in Austin, Texas.

Develop and maintain Java/J2EE applications using Spring, JBoss EAP, DB2, HTML5, and unit testing frameworks. The role requires experience with Eclipse or JBoss Developer Studio and prefers familiarity with Thymeleaf, Ant, Maven, Gradle, CVS, and Texas workforce and unemployment insurance systems.

Develop and test Java-based web applications using J2EE, JavaScript, JSP, Struts, portlets, WebSphere, SQL, DB2, web services, LDAP, XML, and Active Directory. Perform QA testing for high-volume web applications and support related Health and Human Services programs.

Develop and maintain enterprise SaaS web applications using Java EE and frameworks such as Spring. Responsibilities include performance tuning, memory and garbage-collection management, SQL optimization, ORM development, REST and SOAP web services, application-server administration, testing, debugging, and continuous delivery in an Agile environment.

Develop Java applications and systems using Unix, WebSphere, JSF, Oracle or Sybase, Hibernate, Informatica, and Perl. Responsibilities include system design, validating requirements, creating application builds, version control, web services development, GUI development, rigorous testing, unit testing, Section 508 compliance, and customer support. The role also provides after-hours support and requires experience in state or federal government environments as a preferred qualification.

Develop enterprise Java applications using EJB, JPA, Oracle Fusion Middleware Web Services, JMS, and BPEL. Apply HIPAA 4010/5010 coding specifications while supporting application development and integration initiatives. The position is based in Austin, Texas, with an initial engagement of at least eight months.

The posting provides no specific job responsibilities. The role is identified as a Programmer/Developer position focused on Java within a consulting and technology services company.

Develop RESTful front-end applications using HTML, CSS, JavaScript, JSON, jQuery, and front-end frameworks. The role requires building functional applications rather than static web pages and may involve UI/UX work. Backbone experience is a bonus.

Develop, enhance, and maintain enterprise Java/J2EE applications across all SDLC phases. Build portal, workflow, business process, web services, and mobile applications using WebSphere, Spring, Hibernate, Oracle, and related technologies. Apply object-oriented design, architecture, scalability, performance, integration, and testing best practices. The role requires extensive WebSphere Portal or BPM/ODM experience, database and web services development, and strong communication skills.

Develop Java applications using object-oriented programming, Spring, JPA/Hibernate, REST, web services, UNIX/Linux, and SOA. Build and maintain high-quality software, write unit tests and test automation, work with ESBs, message queues, and business rules engines, and collaborate with peers to meet project timelines. The role requires adaptability, accountability, strong communication, analytical skills, and the ability to learn new technologies.

Develop and maintain Java and J2EE/JEE applications using web services, Spring, Hibernate, JPA, SQL, JavaScript, and related technologies. Build automated unit tests, work within Agile teams, learn new frameworks, and potentially provide technical leadership. The role requires strong communication and time-management skills, with preferred experience in cloud and distributed computing, NoSQL, REST services, and modern web frameworks.

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.

Seeking a Java Spring Boot Developer with over 9 years of experience in Java development, API architecture, and cloud solutions. Strong problem-solving skills and ability to work independently required.

Lead the architecture and modernization of a complex enterprise SaaS platform while remaining hands-on with critical software design and development. Define technical direction, improve scalability, reliability, security, performance, and maintainability, and guide design and code reviews. Partner across engineering and product teams, resolve complex technical challenges, establish engineering standards, mentor engineers, and translate architectural strategy into practical delivery.

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

The Sr. Java Developer will design, prototype, and implement software while collaborating with management to improve systems and provide technical support.

The Java Developer will work on integrating platforms, developing custom APIs, and delivering software through agile methodology, focusing on performance and testing.

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

The Java Developer will enhance data utilization for a state-run project, collaborating on software design, coding, testing, and documentation of Java web applications.

Design, develop, test, deploy, and maintain scalable Java backend applications using Spring Boot and microservices. Build RESTful and SOAP integrations, optimize performance and reliability, implement security controls, and develop relational and NoSQL database solutions. Collaborate with architects, product owners, and frontend teams; participate in design reviews and architectural decisions; troubleshoot production issues; and uphold DevOps, CI/CD, coding, and Agile practices. Mentor junior developers and guide technical discussions across enterprise development teams.

Investigate and resolve data-quality issues in large-scale distributed systems. Design Java-based repair pipelines and idempotent correction jobs for high-volume datasets, debug existing code, use AWS services for queue-driven and batch workflows, optimize performance and concurrency, and communicate technical findings and risks to stakeholders.

Designs, implements, and runs Java Spring Boot microservices and REST APIs; leads design, CI/CD, TDD, performance tuning, security, and cross-product collaboration. Coaches teams and owns product KPIs and production support.

Develop and maintain highly available, distributed, high-throughput Java backend systems using Spring and microservices. Perform performance tuning, JVM and memory profiling, implement automated tests, use Splunk for monitoring, and work with source control and CI/CD tools. Collaborate across teams and follow Agile SDLC practices.