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Senior Java Fullstack Engineer

ICONMA, LLC
  • O Fallon, MO
  • $74.74–$78.79 Per Hour
  • Instant Apply
3 days ago

Job Description

Our client, a Credit Card Company, is looking for a Senior Java Fullstack Engineer for their O Fallon, MO/Hybrid location.
 
Responsibilities:
  • This job independently executes key elements of projects/processes within the Software Engineering area by applying in-depth knowledge of their discipline and area best practices to effectively resolve problems and roadblocks as they occur.
  • Contributes to the development and maintenance of high-quality, scalable software solutions, supporting security and operational resilience with guidance.
  • Participates in code reviews, providing feedback to help uphold quality standards and best practices.
  • Assists in designing, developing, and delivering software solutions that align with business needs and organizational standards, with oversight.
  • Creates and maintains technical artifacts, such as requirements documents, design specifications, and test plans, supporting project documentation efforts.
  • Supports system maintenance activities, including incident management, root cause analysis, and problem resolution in production environments, with supervision.
  • Assists in evaluating emerging technologies and frameworks, supporting Proof of Concept (PoC) efforts and solution assessments.
  • Contributes to solution and technology roadmaps, providing input to support strategic planning and innovation initiatives.
  • May contribute to solution development for new products/services and/or manage smaller project/initiatives as an experienced individual contributor with specialized knowledge within the Software Engineering area.
  • Team is responsible for building and maintaining applications that support this administration platform. This is a true Full Stack role.
  • Develop enterprise applications using a Java technology stack with Angular or React as front-end technologies.
  • Participate in gathering and refining business requirements.
  • Ensure software designs align with Client’s Enterprise Architecture and leverage enterprise services.
  • Ensure product development meets Client’s business needs.
  • Apply Client standard development methodologies, follow technology standards, and ensure projects are appropriately documented.
  • Ensure software and system design support the goal of zero downtime in production.
  • Work closely with business partners on product definition, roadmaps, business case development, and overall team direction.
  • Respond to operational and business concerns related to future programs, projects, or enhancements to ensure consistent delivery of quality services.
  • Support appropriate certifications and compliance requirements, including PCI, GLBA, Safe Harbor, and others.
  • Drive performance engineering of the enterprise software architecture and provide guidance, advice, or training to other application developers.
  • Improve and expand the existing platform by ensuring it is resilient, secure, and scalable.
  • Use AI tools effectively as part of daily development work, including tools such as Claude Code, Copilot, or similar platforms.
 
Requirements:
  • Required Skills:
  • Java
  • Spring Boot
  • REST APIs
  • Hibernate
  • JPA
  • AWS
  • Oracle Database
  • Full Stack development (Angular preferred, React acceptable)
  • Communicate clearly
  • Desired Skills:
  • Production support experience
  • Troubleshooting skills
  • Log analysis (Splunk or similar tools)
  • Root cause analysis
  • Ability to diagnose production issues
  • Qualifications:
  • Bachelor’s degree in information systems, Information Technology, Computer Science, Engineering, or equivalent work experience.
  • More than 7 years of industry experience.
  • Excellent communication skills, with the ability to interact across multiple organizational levels and with internal and external customer groups.
  • Strong analytical and problemsolving abilities, with the ability to quickly adapt to new technologies, methodologies, and systems.
  • High energy, strong attention to detail, and the ability to function independently under pressure with a high degree of initiative and selfmotivation.
  • Strong interpersonal and relationshipbuilding skills, with a solid track record of developing internal and external partnerships.
  • Proficiency with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and databases such as Oracle and SQL Server.
  • Experience with SQL and NoSQL databases such as MySQL, PostgreSQL, and MongoDB.
  • Experience with web services (SOAP/RESTful), servers (WebSphere, JBoss, Tomcat), HTML, JavaScript, jQuery, React or Angular, and IDEs such as Microsoft Visual Studio or Eclipse is a plus.
  • Experience with tools such as Maven, Gradle, Jenkins, Chef, and Sonar, as well as methodologies such as Waterfall and Agile.
  • Experience with LLM integration, prompt engineering, and agentic patterns.
  • Java Full Stack Engineering
  • Java 8+, J2EE, Spring, Hibernate
  • Angular/React frontend development
  • REST/SOAP APIs and enterprise application development
  • CloudNative Architecture & DevOps
  • CloudNative / AWS or Other Cloud Platforms
  • CI/CD and engineering tools like Jenkins, Maven, Gradle, Chef, and Sonar
  • GenAI / AIEnabled Engineering
  • Ability to leverage GenAI tools to improve developer productivity
  • Apply AIassisted coding, testing, documentation, and troubleshooting
  • Explore practical GenAI use cases for modernization, automation, and platform efficiency.
 
Why Should You Apply?  

 

Numbers & Facts

LocationO Fallon, MO
Salary$74.74–$78.79 Per Hour

Skills

  • Administrative Skillsunmatched
  • Agile Programming Methodologiesunmatched
  • Amazon Web Services (AWS)unmatched
  • Analysis Skillsunmatched
  • AngularJSunmatched
  • Application Programming Interface (API)unmatched
  • Artificial Intelligence (AI)unmatched
  • Best Practicesunmatched
  • Business Caseunmatched
  • Chef (Configuration Management)unmatched
  • Cloud Computingunmatched
  • Code Reviewsunmatched
  • Communication Skillsunmatched
  • Computer Scienceunmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Integrationunmatched
  • Credit Cardsunmatched
  • Detail Orientedunmatched
  • Documentationunmatched
  • Eclipse IDEunmatched
  • Emerging Technologyunmatched
  • Enterprise Applicationsunmatched
  • Enterprise Architectureunmatched
  • Gradleunmatched
  • HTML (HyperText Markup Language)unmatched
  • Health Planunmatched
  • Hibernateunmatched
  • IBM WebSphere Application Serverunmatched
  • IDE (Integrated Development Environment)unmatched
  • Identify Issuesunmatched
  • Incident Managementunmatched
  • Information Technology & Information Systemsunmatched
  • Interpersonal Skillsunmatched
  • JBoss Application Serverunmatched
  • Javaunmatched
  • Java Persistence API (JPA)unmatched
  • Java Platform Enterprise Edition (Java EE/J2EE)unmatched
  • Java Servletsunmatched
  • JavaScriptunmatched
  • JavaServer Pages (JSP)unmatched
  • Jenkinsunmatched
  • Mavenunmatched
  • Microsoft SQL Serverunmatched
  • Microsoft Visual Studiounmatched
  • MongoDBunmatched
  • MySQLunmatched
  • NoSQLunmatched
  • Operational Supportunmatched
  • Oracle Databaseunmatched
  • PCIunmatched
  • People Managementunmatched
  • Performance Engineeringunmatched
  • PostgreSQLunmatched
  • Problem Solving Skillsunmatched
  • Product Developmentunmatched
  • Product Planningunmatched
  • Production Supportunmatched
  • Production Systemsunmatched
  • Productivity Managementunmatched
  • Project/Program Managementunmatched
  • Proof of Conceptunmatched
  • Quality Managementunmatched
  • Quality Metricsunmatched
  • REST (Representational State Transfer)unmatched
  • React.jsunmatched
  • Regulatory Complianceunmatched
  • Requirements Managementunmatched
  • Root Cause Analysisunmatched
  • SOAP (Simple Object Access Protocol)unmatched
  • SQL Databasesunmatched
  • Service Deliveryunmatched
  • Software Administrationunmatched
  • Software Architectureunmatched
  • Software Designunmatched
  • Software Developmentunmatched
  • Software Engineeringunmatched
  • Splunkunmatched
  • Spring Frameworkunmatched
  • Standards Developmentunmatched
  • Strategic Planningunmatched
  • Support Documentationunmatched
  • Systems Administration/Managementunmatched
  • Systems Maintenanceunmatched
  • Testingunmatched
  • Tomcatunmatched
  • User Interface/Experience (UI/UX)unmatched
  • Waterfall Model of Software Developmentunmatched
  • Web Servicesunmatched
  • jQueryunmatched

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