Java Engineer

2T Consulting

O'Fallon, MO

Posted On: Oct 27, 2025

Posted On: Oct 27, 2025

Job Overview

Job Type

Contract - W2, Contract - Independent

Experience

8 - 15 Years

Salary

$60 - $65 Per Hour

Work Arrangement

On-Site

Travel Requirement

0%

Required Skills

  • Java
  • J2EE
  • Oracle
  • PL/SQL
  • OOP
  • microservices
  • REST API
Job Description
Roles and Responsibilities
  • Design, develop, and maintain Java-based enterprise applications and microservices using J2EE frameworks.
  • Build and optimize RESTful APIs for distributed systems, ensuring scalability and high availability.
  • Collaborate with architects and DevOps teams to design and deploy cloud-native solutions on AWS, Azure, or PCF.
  • Develop and maintain database components—writing efficient, complex SQL queries on Oracle and integrating with NoSQL databases (e.g., Cassandra).
  • Implement modern design principles (SOLID, DRY, SRP) to ensure clean, maintainable, and extensible codebases.
  • Integrate and streamline data flow using NiFi, Kafka, NATS, Zookeeper, and related technologies.
  • Utilize Redis and Cassandra for caching and distributed data storage.
  • Monitor and troubleshoot application performance using tools like Splunk and application performance monitoring (APM) suites.
  • Lead code reviews, performance tuning, and enforce engineering best practices across the team.
  • Mentor junior developers and collaborate with QA, DevOps, and product teams to deliver end-to-end solutions.
  • Identify and build common libraries/interfaces to simplify system interactions and improve development efficiency.
 
Required Skills & Experience
  • 8+ years of hands-on Java development experience in J2EE and related frameworks.
  • Strong expertise in microservices architecture and REST API design.
  • Proficiency in Oracle SQL, PL/SQL, and experience with data-intensive systems.
  • Proven experience deploying and maintaining applications in cloud platforms (AWS, Azure, or PCF).
  • In-depth understanding of object-oriented principles, design patterns, and software architecture best practices.
  • Familiarity with NiFi, NATS, Kafka, Zookeeper, Splunk, Redis, and Cassandra.
  • Demonstrated experience with performance optimization and scalable system design.
  • Strong problem-solving, analytical, and debugging skills.
  • Excellent communication and leadership abilities with a proven record of collaboration across teams.

 

Preferred Qualifications
  • Experience in containerized environments (Docker, Kubernetes).
  • Exposure to CI/CD pipelines, Jenkins, and infrastructure as code tools.
  • Knowledge of Spring Boot, Spring Cloud, and Reactive frameworks is a plus.
  • Prior experience in enterprise-scale or fintech/cloud transformation projects.

Job ID: 2C250341


Posted By

Shayne

Sr. Recruiter


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