Senior Java Engineer — High-Performance Finance Apps

Matlen Silver; Jersey City (NJ); On-site; USD 120,000 - 155,000; Full time

Job summary

Matlen Silver is seeking an experienced Senior Java/J2EE developer to own and deliver core application components. You will lead multi-threaded design, optimize memory use, and implement patterns within a banking-focused, distributed environment.

You will collaborate with US and India teams, support UAT and production inquiries, and contribute to performance improvements in data-intensive systems, leveraging modern tooling and AI aids.

Qualifications

• 10+ years of experience in core Java/J2EE application development and object-oriented design.
• Strong expertise in multithreading, collections framework, JDBC, and Java profiling tools.
• Proficiency with frameworks such as Spring and Spring Boot.
• Experience with performance tuning of data-intensive applications.
• Demonstrated expertise in performance profiling, memory optimization, and performance improvement.
• Strong coding, debugging, and analytical skills.
• Solid understanding of design patterns.
• Creative thinker with a proven track record of delivering innovative, technology-based solutions.
• Excellent problem-solving and communication skills.
• Experience with in-memory data grids and parallel computing.
• Knowledge of financial markets and the banking industry.
• Experience with cloud or distributed computing in an Agile development environment.
• Experience leveraging AI tools (e.g., Copilot) in daily tasks.

Responsibilities

• Complete and manage assigned project tasks to ensure delivery within committed timeframes.
• Support UAT testing efforts, including setting up appropriate test environments and addressing issues identified during testing.
• Support production inquiries and issues as needed.

Skills

Java/J2EE

Multithreading

JDBC

Spring/Spring Boot

Performance tuning

Memory optimization

Design patterns

Problem solving

Communication

In-memory data grids

Parallel computing

Cloud/distributed computing

AI tools Copilot

Tools

Spring Framework

Spring Boot

Job description

Matlen Silver is seeking an experienced Senior Java/J2EE developer to own and deliver core application components. You will lead multi-threaded design, optimize memory use, and implement patterns within a banking-focused, distributed environment.

You will collaborate with US and India teams, support UAT and production inquiries, and contribute to performance improvements in data-intensive systems, leveraging modern tooling and AI aids.