Lead Developer / Java / Onsite

Motion Recruitment; Philadelphia (Philadelphia County); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Insurance

Vacation Time

Equity

401(k) + Company Match

Wellness Incentives

Job summary

Motion Recruitment is seeking a Lead Java Engineer in the Greater Philadelphia area to join a leading financial services firm. You will own core Java development for mission-critical, real-time infrastructure with a focus on JVM internals, concurrency, and low-latency performance.

100% Java, with 90% hands-on work and 10% leadership duties. The ideal candidate has 10+ years in Core Java, a BS in CS, and is capable of operating in a high-throughput environment.

Qualifications

• 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

Responsibilities

• Lead engineering efforts and guide technical direction.
• Design and optimize high-throughput, low-latency systems.
• Mentor junior engineers and drive code quality.

Skills

Core Java

JVM internals

Multithreading

BS in CS

Education

BS 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.

Posted By: Courtney Miner