Lead Developer / Java / Onsite

Motion Recruitment Partners LLC; Philadelphia (Philadelphia County); Hybrid; USD 140,000 - 200,000; Full time

Benefits offered by this job

Bonus eligible

Medical, Dental, and Vision Insurance

Vacation Time

Equity

401(k) + Company Match

Wellness Incentives

Job summary

Motion Recruitment Partners LLC in the Greater Philadelphia area is recruiting a Lead Java Engineer for a leading financial services firm. The role demands deep Core Java expertise and a focus on real-time, high-throughput systems.

Ideal candidates will have 10+ years in Core Java, strong JVM internals knowledge, and a BS in Computer Science or related field. The position emphasizes 100% Java with a mix of hands-on coding and some leadership responsibilities.

Qualifications

• 10+ years of Core Java development.
• Deep understanding of JVM internals.
• Strong command of multithreading and concurrency.
• BS in Computer Science or related field

Responsibilities

• 100% Java
• 90% Hands On, 10% Leadership Duties

Skills

Core Java

JVM internals

Concurrency/Multithreading

Education

Bachelor's degree in Computer Science or related field

Job description

A leading financial services firm is hiring a Lead Java Engineer to join their engineering team. You must currently reside in the Greater Philadelphia area to be considered.

They are seeking deep expertise in Core Java to work on mission-critical, real-time infrastructure. This is not a framework, web services, or cloud role — candidates with that background will not be the right fit. To succeed here, you need a strong command of JVM internals, concurrency, and performance-focused engineering in high-throughput, low-latency environments. This is an environment where technical depth is genuinely valued and rewarded, with strong compensation, excellent benefits, and clear pathways for growth.

Required Skills & Experience

• 10+ years of experience in Core Java development
• Deep understanding of JVM internals
• Strong command of multithreading and concurrency
• At least a BS in Computer Science or related field

Desired Skills & Experience

• Industry experience
• MS or PhD

What You Will Be Doing

Tech Breakdown

• 100% Java

Daily Responsibilities

• 90% Hands On
• 10% Leadership Duties

The Offer

• Bonus eligible

You will receive the following benefits:

• Medical, Dental, and Vision Insurance
• Vacation Time
• Equity
• 401(k) + Company Match
• Wellness Incentives

Applicants must be currently authorized to work in the US on a full‑time basis now and in the future.