Java Engineer

Position: Java Engineer

Location: Onsite - 5 Days/Week (O'Fallon, Missouri or NYC, NY)

Type: Full-Time Employee (FTE)

Openings: 5 urgent positions

Interview Mode: Local candidates must be available for in-person interviews

We're seeking experienced Java Engineers for multiple full-time openings onsite at Client. The ideal candidate is an expert in backend development with deep experience in Java, microservices, and cloud-native technologies. This is a highly technical role ideal for senior developers or leads passionate about solving complex problems in a fast-paced environment.

Key Responsibilities:

Design, develop, and maintain scalable Java-based applications and services.

Create and manage RESTful APIs and microservices architectures.

Collaborate with DevOps teams to deploy and manage cloud-native applications (AWS, Azure, or PCF).

Write complex SQL queries and optimize performance for Oracle databases.

Integrate with various tools including Kafka, Redis, Cassandra, Zookeeper, and Splunk.

Apply software engineering principles such as SOLID, DRY, and design patterns.

Drive end-to-end development life cycle, including code reviews, unit testing, and deployment.

Work closely with cross-functional teams and lead initiatives for platform improvement. Must-Have Skills:

8+ years of Java development experience (J2EE)

Strong in REST API and Microservices development

Advanced knowledge of Oracle and SQL

Cloud platform experience (AWS / Azure / PCF)

Strong understanding of design principles (SOLID, DRY)

Experience with tools: Kafka, NiFi, Redis, Cassandra, Zookeeper, NATS, Splunk

Excellent debugging and performance optimization skills

Strong verbal and written communication skills Nice-to-Have:

Experience simplifying and creating common libraries/interfaces

Background in financial services or enterprise-scale platforms

Previous experience working in Client or similar enterprise environments