Top Java Developer Jobs in San Antonio, TX

Design, develop, test, and deploy scalable Java full-stack solutions. Troubleshoot production issues, participate in design reviews, follow SDLC, mentor junior engineers, and ensure risk/compliance controls. Collaborate on API, containerized, and data integration solutions.

Develop and maintain Java Spring Boot microservices, write automated tests and API validations, debug and optimize performance, collaborate with architects, front-end developers and product owners, participate in Agile ceremonies, document designs, perform peer code reviews, and support deployments and release activities.

Design, develop, and maintain Java-based web applications and responsive frontends (Angular/React). Build and consume RESTful APIs and microservices, perform code reviews, mentor junior devs, collaborate with cross-functional teams, troubleshoot production issues, and ensure security, scalability, and reliability.

Develop and maintain core Elasticsearch infrastructure and shared platform features. Design scalable APIs, solve performance and concurrency issues, improve observability and CI/CD, automate developer workflows, lead cross-team projects, support complex operational investigations, and use AI to accelerate development and debugging.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.

Build, integrate, and stress-test full-stack applications and backend services that leverage advanced AI models. Develop production APIs, front-end features, databases, and cloud infrastructure; troubleshoot integrations; prototype rapidly and deliver high-quality code and documentation in fast-moving environments.

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 Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.

Remote Senior Java Developer responsible for building Java web applications using JSP and Struts2/MVC, creating reports with Jasper or SSRS, and managing Linux application servers (load balancers, JBoss, Apache, WildFly).

Senior Java Engineer responsible for designing and delivering high-quality, low-maintenance software. Coach client teams on modern development practices, apply test-driven development, collaborate in small teams, and pursue continuous learning to improve scalable, maintainable applications.

The Staff Engineer will leverage over 5 years of experience in Java, JavaScript, and frameworks to develop robust solutions, mentor teammates, and enhance client outcomes while utilizing agile methodologies and cloud development tools.

Seeking a Staff Engineer with 5+ years in Java, focusing on mentoring teammates, solving client challenges, and conducting cloud development.

Design, build, and maintain scalable, highly available backend services in Java. Own backend architecture, optimize performance, develop APIs and integrations, support production, conduct code reviews, and contribute to AI engineering tools and infrastructure.

Senior Java engineer responsible for designing, developing, and maintaining scalable, secure backend systems using Java and modern frameworks. Participate in architecture, collaborate with product and security teams, write maintainable code, and adopt AI-assisted development tools while contributing to open-source efforts.

Develop and maintain full-stack web and enterprise applications using Java and JavaScript stacks (Spring, Hibernate, Node/MEAN, AngularJS). Build and consume SOAP/REST services, design data models (SQL and NoSQL), implement multithreaded server-side features, apply testing (JUnit, Karma/Jasmine), and work across SDLC/TDD. Participate in performance troubleshooting, cloud (AWS) deployments, and responsive UI development using HTML5/CSS3 and JS frameworks.

Develop and maintain enterprise-class Java backend software for centralized management of hyper-converged data center products. Collaborate across architects, product, QA and systems teams in an Agile/Scrum environment to design, integrate and deliver features, using Java, Python, Spring, Cassandra and VMware technologies. Troubleshoot complex technical issues and drive code quality, API design and automation of data center infrastructure.

Design, develop, test and maintain Java/J2EE web applications using Spring/Hibernate and related frameworks. Build front-end components (Angular/Bootstrap), integrate messaging (MQ), optimize SQL/DB, use CI/build tools, version control, and participate in Agile ceremonies.

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.

Senior individual-contributor backend engineer responsible for designing, building, and operating production-grade, highly available, strongly consistent services for wallet operations, transaction orchestration, blockchain integrations, and event-driven workflows. Implement secure, scalable APIs, cryptographic key management, Kafka-based event systems, observability with OpenTelemetry, CI/CD pipelines, and produce tests, API specs, and operational runbooks.

Design, implement, test, and maintain scalable Java/J2EE microservices using Spring technologies. Collaborate with architects, follow SDLC, perform unit/system testing, troubleshoot distributed cloud applications, and work in Agile teams to meet enterprise performance and security standards.

Develop, maintain, and troubleshoot cloud-based stateful IVR applications. Integrate IVR with internal services, configure application logic using SQL, implement operational improvements, collaborate with project teams and stakeholders, and participate in initiatives to improve call steering and IVR architecture for high-quality customer voice experiences.

Develop and operate Java Spring Boot microservices, deploy and manage services on Kubernetes, perform JVM profiling and heap analysis, load test, diagnose memory leaks, OOMs and P99 latency spikes, remediate security vulnerabilities, and maintain GitHub-based CI/CD and branching workflows.

Develop, maintain, and deploy Java-based applications using Spring MVC and microservices. Diagnose and fix bugs and performance issues, design scalable systems, use CI/CD and version control, follow security guidelines, and communicate progress with project managers.

You will design, build, and maintain scalable applications using Java and JavaScript, collaborating across teams and managing databases.