Top Java Developer Jobs in St. Louis, MO

Develop and integrate SOAP and REST APIs using Mule ESB and Java. Implement XPath and XSLT transformations, apply SOA and web services best practices, coordinate across teams, and produce clear technical documentation.

Develop and maintain Java-based enterprise applications using JPA/Hibernate, Spring, and REST. Analyze and document requirements, write and test code, deploy and integrate systems, evaluate vendor software, and enforce quality standards. Lead and mentor developers, create training materials, and communicate status to management while following Agile practices.

Design, develop, test, and implement Java/J2EE applications across full SDLC. Produce JUnit test cases, technical design documents, and integrate systems using WebSphere, RAD/Eclipse, JDBC, XML technologies. Work with business customers and Agile Scrum teams to analyze requirements and deliver SOX-compliant 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.

Lead Java Developer responsible for developing Spring/Hibernate-based web applications, requiring strong Java OO experience and business domain modeling skills.

Design, develop, and implement applications using Java and various technologies. Ensure quality code, support production, conduct testing, and collaborate with teams.

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.

Develop and maintain Java applications using Spring Boot and Spring Batch. Design and integrate microservices, build secure high-performance REST/OData APIs, write JUnit tests, ensure code quality, and optimize SQL database queries.

Design, build, and deploy secure, high-performance, scalable cloud-native applications supporting Ariba P2P. Work full-stack in Java using Spring Boot and the SAP BTP Cloud Foundry CAP (Java) model, applying resiliency, security, and performance best practices.

Develop and maintain Java Spring Boot services with multithreading and Spring Batch. Build OData/REST APIs, write high-coverage JUnit tests, and author SQL queries. Ensure robust exception handling and code quality; collaborate on automation and UI work where needed.

The role involves developing applications using Java and Spring, conducting business analysis, and ensuring alignment between technical teams and stakeholders.

Develop and maintain high-performance Java applications, work on web and mobile applications, and collaborate in Agile/Scrum teams.

Senior Java Software Engineer responsible for full SDLC on the Vehicle Management Team: developing prototypes, coding Java/J2EE applications, analyzing requirements, configuring J2EE servers, performing unit/integration testing, and collaborating with IT teams on web, mobile, and cloud solutions using Spring, Hibernate, Struts, Oracle, and Web Services.

Design and implement large-scale enterprise J2EE applications, translate functional/non-functional requirements to system specs, develop server-side Java components and UI using HTML5/jQuery/AngularJS, build REST/SOAP services, use Spring/Hibernate and PL/SQL, work in Agile, lead architecture for projects, collaborate with teams, interface with clients, and support global delivery with regular travel.

Design, architect and implement large-scale Java/J2EE enterprise applications. Develop server-side components, REST/SOAP web services, and UI using HTML5/jQuery/AngularJS. Lead architecture, translate requirements into system design, work in Agile teams, interface with clients, and support global delivery with regular travel.

Design and implement Java/J2EE enterprise applications using Spring and Hibernate. Translate functional/non-functional requirements to system requirements. Build REST and SOAP web services, perform PL/SQL development, and implement server-side components (Servlets, JSP, EJB). Use build and dev tools (Eclipse, Ant, SVN, SoapUI). Domain experience in Telecom required.

Design, develop and implement Java/J2EE applications using Spring and Hibernate; build REST and SOAP web services; translate functional/non-functional requirements into system requirements; develop server-side components (Servlets, JSP, EJB, JDBC); write PL/SQL; use build and version tools (Eclipse, ANT, SVN/CVS); work within the Telecom domain.

Design, develop and implement Java/J2EE server-side applications using Spring/Hibernate. Build REST/SOAP web services, write PL/SQL, and use tools like Eclipse, ANT, SVN. Work in a telecom domain environment and translate functional requirements to system design.

Develop and implement Java/J2EE server-side applications using Spring/Hibernate, REST/SOAP web services, PL/SQL, and build tools. Translate functional requirements into system designs and work within the telecom domain.

Design and implement Java/J2EE server-side applications. Translate functional and non-functional requirements into system requirements. Develop using Spring, Hibernate, REST/SOAP web services, PL/SQL, servlets/JSP, JDBC, EJB, and logging (log4j). Use build and dev tools (Eclipse, RAD, SoapUI, XML Spy, ANT, SVN/CVS). Telecom domain experience required.

Design and implement Node.js/JavaScript solutions including REST/SOAP services, cryptography (X.509/CMP), PostgreSQL integration, and deployment on Unix/macOS with web servers (Apache, Nginx, Tomcat, JBoss). Collaborate using GitHub and tools like Hapi/Redis. Strong communication skills; 6-month engagement.

Develop and maintain BPM solutions using Appian, focusing on business logic and process models, coordinating with analysts, performing testing, and mentoring junior developers.

The role involves software development lifecycle participation, application development in Java and Python, and production support, with a focus on large-scale distributed systems.

Provide technical and managerial direction for system design, develop and maintain Appian BPM solutions, and mentor junior developers.

As a Junior Java Developer, you will design and develop web components, perform testing, manage software deployment, and enhance existing code.