Senior Core Java Backend Engineer - Real-Time, Hybrid NY

ManpowerGroup Global, Inc.

New York (NY)

Hybrid

USD 120,000 - 160,000

Full time

8 days ago

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Job summary

ManpowerGroup Global, Inc. in New York, NY, is seeking a Senior Core Java Developer for a hybrid role with a leading financial services client. You will own critical backend services and drive performance improvements.

The ideal candidate has deep experience with real-time, low-latency server-side Java, Java 18+, and Spring/J2EE, and can design robust data access using SQL Server, Sybase, and Oracle. Join a collaborative team focused on high-quality code, code reviews, testing, and documentation

Qualifications

Extensive experience in real-time, low-latency, multithreaded server-side development.
Proficiency in Core Java (Java 18+), including Executor framework and Generics.
Strong knowledge of collections and concurrency primitives (HashMap, ArrayList, sorting).
Experience with SQL Server, Sybase, and Oracle databases.
Familiarity with Spring/J2EE web frameworks and web services.

Responsibilities

Develop and maintain high-performance, real-time, low-latency server-side applications using Core Java.
Implement new features and optimize existing codebases leveraging Java 18+ features such as Executor framework and Generics.
Design, develop, and query databases using SQL Server, Sybase, and Oracle to support application functionalities.
Collaborate with cross-functional teams to ensure seamless integration of web services and web frameworks like Spring and J2EE.
Participate in code reviews, testing, and documentation to uphold quality standards and best practices.