(Senior/Middle) Fullstack Developer (Java/ReactJS)

About this role

<p><strong>Summary </strong></p> <p>Join Aperia Solutions, a leader in SaaS solutions for the Payments and Compliance industries. Aperia is a Texas-based fintech and managed consultancy firm that creates custom SaaS applications and other software-based solutions for the payments, banking, and processing industry. Founded in 1999, Aperia offers business intelligence, risk management, compliance, and customer intelligence platforms. With offices in Dallas, Washington DC, and Vietnam, Aperia is a fast-paced, global organization that strives to improve efficiency in compliance, risk, and customer service operations. Aperia’s clients include banks, processors, payment facilitators, merchant service providers, independent sales organizations, and government entities. A career at Aperia promises a great challenge, culture, and opportunities to forge your own path.</p> <p><strong>Job Description </strong></p> <p>At <strong data-start="221" data-end="231">Aperia</strong>, we thrive on innovation and the strength of our dynamic development team. We are currently seeking a (<strong data-start="334" data-end="357">Senior/Middle) Full Stack Developer (Java, ReactJS)</strong> with a strong background in <strong data-start="386" data-end="403">Java and J2EE</strong> who is passionate about modern technologies, cloud-native architecture, and secure, scalable systems. If you’re eager to push boundaries and drive meaningful impact in a fast-paced fintech environment, we want to hear from you.</p> <p><strong>Core Responsibilities</strong></p> <ul> <li>Full lifecycle - analysis, design, development, testing and implementation- of new or enhancements to middleware (micro) services</li> <li>Maintain middleware modules and services with code quality standards</li> <li>Keep applications free of security vulnerabilities in compliance with organization’s security policies</li> <li>Assist in troubleshooting and resolving production issues. Provide suggestions for preventative steps</li> <li>Incorporate suggestions for improvements and enhancements where meaningful</li> <li>May assist/lead in developing and maintaining technical documentation and store it in central locations (like Confluence, SharePoint) for accessible to team members.</li> </ul> <p><strong>Technical Skills:</strong></p> <ul> <li data-start="1313" data-end="1380"> <p data-start="1315" data-end="1380"><strong data-start="1315" data-end="1327">6+ years</strong> of hands-on experience in <strong data-start="1354" data-end="1367">Java/J2EE</strong> development.</p> </li> <li data-start="1381" data-end="1502"> <p data-start="1383" data-end="1502">Expertise in <strong data-start="1396" data-end="1406">Spring</strong>, <strong data-start="1408" data-end="1423">Spring Boot</strong>, <strong data-start="1425" data-end="1441">Spring Cloud</strong>, <strong data-start="1443" data-end="1462">Spring Security</strong>, <strong data-start="1464" data-end="1479">Spring Data</strong>, and <strong data-start="1485" data-end="1501">RESTful APIs</strong>.</p> </li> <li data-start="1381" data-end="1502">Exposure to <strong>ReactJS</strong> on the frontend.</li> <li data-start="1503" data-end="1566"> <p data-start="1505" data-end="1566">Working knowledge of <strong data-start="1526" data-end="1538">RabbitMQ</strong> or similar message brokers.</p> </li> <li data-start="1567" data-end="1602"> <p data-start="1569" data-end="1602">Proficiency in <strong data-start="1584" data-end="1601">Oracle PL/SQL</strong>.</p> </li> <li data-start="1603" data-end="1647"> <p data-start="1605" data-end="1647">Strong unit testing skills with <strong data-start="1637" data-end="1646">JUnit.</strong></p> </li> <li data-start="1691" data-end="1778"> <p data-start="1693" data-end="1778">Experience with build tools like <strong data-start="1726" data-end="1735">Maven</strong>, and artifact repositories like <strong data-start="1768" data-end="1777">Nexus</strong>.</p> </li> <li data-start="1779" data-end="1862"> <p data-start="1781" data-end="1862">Familiarity with <strong data-start="1798" data-end="1809">Postman</strong> for API testing and <strong data-start="1830" data-end="1837">PCF</strong> (Pivotal Cloud Foundry).</p> </li> <li data-start="1863" data-end="1974"> <p data-start="1865" data-end="1974">Demonstrated experience in addressing <strong data-start="1903" data-end="1931">security vulnerabilities</strong> and managing <strong data-start="1945" data-end="1973">open-source dependencies</strong>.</p> </li> <li data-start="1975" data-end="2039"> <p…