Top Senior Java Developer Jobs in Austin, TX

Join an agile team to design, develop, test, and deploy enterprise web applications. Build high-quality Java/J2EE solutions, maintain system docs, implement RESTful services, improve SDLC practices (TDD, CI/CD, static analysis), and collaborate with architects, developers, and stakeholders. Perl experience required.

Design, build, and maintain scalable backend services and APIs using Java and Spring Boot. Implement event-driven architectures with Kafka, manage PostgreSQL/Redis data, ensure performance and reliability, troubleshoot production issues, participate in code reviews, and collaborate across teams for deployments and monitoring.

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

Design, develop, test, and maintain enterprise-grade Java microservices using Spring Boot and PostgreSQL. Collaborate with product teams in Agile/Scrum, produce APIs and documentation, troubleshoot build/deploy issues, and support modernization of legacy IRS systems in a cloud environment.

Design, develop, test, and maintain backend services using Java and Python within a microservices architecture. Collaborate with architects, product owners, and infrastructure to deploy containerized applications, tune performance, implement CI/CD, and support production systems. Participate in code reviews, agile ceremonies, and technical design to deliver scalable, high-quality solutions.

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.

Design, develop, and maintain scalable Java/Micronaut enterprise frameworks and cloud-native microservices on Azure. Build and deploy services to AKS, create CI/CD pipelines with Azure DevOps, implement batch/asynchronous workflows, integrate messaging systems, optimize databases, and ensure security, observability, and resilience.

As a Senior Developer, you will modernize COBOL systems to Java, enhancing functionality and performance while collaborating with stakeholders and ensuring coding standards are met.

As a Senior Software Engineer, you will build cloud solutions, define migration strategies, mentor junior engineers, and ensure architectural integrity while collaborating with peers.

Lead an agile engineering team to design, build, and operate scalable Java-based, cloud-native, event-driven systems. Mentor developers, perform design/code reviews, troubleshoot production issues, and drive AI-assisted development and engineering best practices.

Build and maintain scalable backend services in Python and Java (Spring Boot), develop responsive React frontends, integrate AI/GenAI (LLMs, RAG) using frameworks like LangChain/LlamaIndex, collaborate with cross-functional teams, troubleshoot and optimize systems, and ensure coding, security, and performance best practices.

Develop, maintain, and improve cloud-based stateful IVR applications using Java and Spring. Integrate IVR with internal services, configure application logic via SQL, monitor and troubleshoot contact center systems, implement operational improvements, and collaborate with project teams and stakeholders to deliver reliable, high-quality IVR experiences.

Lead backend architecture and implementation for Java Spring microservices, validate and own AI-assisted code, mentor engineers, collaborate with product to deliver features, and drive technical excellence and scalable, test-covered systems.

Design, build, and deploy cloud-native, API-first mortgage servicing components using Java/Node.js and React. Collaborate with global teams to implement distributed, event-driven systems (Kafka), ensure performance, observability, CI/CD, and adherence to API standards and testing practices.

Design, implement, test, and maintain full‑stack features and services for the Cayuse Research Platform. Drive architecture, prototypes, and technical debt reduction while practicing TDD, expanding automated QA, collaborating cross‑functionally, and ensuring high quality delivery in an Agile environment.

Lead Software Engineer responsible for designing, developing, testing, and maintaining a distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements, implement cloud and big-data solutions (Spark/Hadoop), and ensure program standards and reliable delivery.

Design, develop, and maintain web-based UI and REST middleware for federal health IT systems. Participate in Agile/SAFe ceremonies, write design documents, implement features, resolve bugs, and support CI/CD pipelines while collaborating with product, QA, and stakeholders.

Develop, test, and maintain a complex distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements. Work with distributed workloads (Spark/Hadoop), SQL/Snowflake, AWS, shell scripting, and job scheduling/process automation. Support delivery under Agile/SAFe practices and ensure alignment with program standards.

Design, build, and maintain scalable J2EE business applications. Implement features, fix bugs, participate in code reviews, automate tests, optimize performance, and produce documentation.

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

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.

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.

Design, develop, and integrate Java-based solutions using MuleSoft and related frameworks. Create requirement specifications from architecture/design, implement web services (SOAP/REST/XML/XSLT), coordinate projects, and support cloud APIs. Communicate with stakeholders and travel as required for consulting engagements.

Design, build, and maintain secure, high-performance RESTful APIs and microservices using Java and Spring Boot. Collaborate with cross-functional teams, implement API security (OAuth2/JWT/OpenID Connect), optimize databases, integrate messaging systems, write unit/integration/API tests, participate in code reviews and architecture decisions, troubleshoot production issues, and contribute to CI/CD and DevSecOps practices.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.