Senior Java Engineer - Enterprise API & Spring Expert

Apexon; Round Rock (TX); On-site; USD 100,000 - 150,000; Full time

Job summary

Apexon in Round Rock, TX seeks an experienced Java developer to design and implement enterprise-scale applications. You will work on n-tier and distributed architectures, deliver REST and SOAP services, and ensure high code quality with unit tests.

Strong mentoring, problem-solving, and communication skills are essential. Candidates should be proficient with Spring (MVC, Boot, Data) and modern J2EE stack, with Oracle/SQL databases and ALM/JIRA processes.

Qualifications

• In-depth experience with n-tier and distributed architectures including UI, business logic, and data access layers.
• Experience with ESB tools such as Data Power, Mule, or similar integration hubs.
• Proven ability to develop REST and SOAP services and deploy across Java EE stacks.

Responsibilities

• Design and implement enterprise-scale applications across WebSphere/JBoss stacks.
• Write comprehensive unit tests using JUnit, Mockito, Jest to ensure quality.
• Collaborate with teams and clients; communicate clearly and analyze complex problems.

Skills

n-tier architectures

distributed architectures

Data Power

Mule ESB

Spring MVC

Spring Boot

Spring Data

Spring Core

Spring transactions

J2EE Framework

JSP

EJB

Servlets

JNDI

JDBC

JMS

JTA transaction

Log4J

Asynchronous processing

REST APIs

SOAP services

JAX-WS/RS

WebSphere

JBoss

JUnit

Mockito

Jest

Oracle

SQL

JIRA

ALM tools

Hands-on development

Communication skills

Analytical skills

Job description

Apexon in Round Rock, TX seeks an experienced Java developer to design and implement enterprise-scale applications. You will work on n-tier and distributed architectures, deliver REST and SOAP services, and ensure high code quality with unit tests.

Strong mentoring, problem-solving, and communication skills are essential. Candidates should be proficient with Spring (MVC, Boot, Data) and modern J2EE stack, with Oracle/SQL databases and ALM/JIRA processes.