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Java Full Stack Lead Developer role at MA FL PA AND NY

IPolarity LLC

Whippany, NJ 07981 • $50.00 / hr • 10/3/2026

Job Description

Job Description

PLEASE DO NOT SUBMIT YOUR RESUME IF YOU CANNOT GO FOR IN-PERSON CLIENT INTERVIEW.

W2 Role
Hiring: Java Full Stack Lead Developer
Location: Lake Mary, Florida and Boston, MA – Hybrid, Pittsburgh, PA and New York, NY (3–4 days onsite)
Experience: 13+
Mandatory in-person client interview

We are looking for a hands-on Java Full Stack Lead Developer with strong experience in modern Java, Spring Boot, microservices, cloud-native development, and Angular. The ideal candidate will lead development efforts while remaining hands-on with architecture, coding, troubleshooting, and delivery of scalable enterprise applications.

Key Responsibilities:
• Design, develop, and maintain high-performance Java applications and microservices
• Build RESTful APIs and microservices using Spring Boot
• Develop and deploy containerized applications using Docker
• Implement event-driven solutions using Kafka and MQ
• Collaborate with cross-functional teams in an Agile environment
• Optimize application performance, scalability, security, and reliability
• Participate in code reviews, testing, debugging, and technical delivery

Required Skills:
8+ years of hands-on Java development experience
Java 21+ preferred
Strong Spring Boot and Microservices expertise
Angular 19+ and RxJS
Docker and cloud-native application development
Kafka and message queue technologies
Relational and NoSQL databases
Advanced SQL query optimization, joins, stored procedures, database design
AI-assisted development tools such as GitHub Copilot or Windsurf
Git and Agile methodologies
Strong troubleshooting, debugging, and problem-solving skills