Full Stack Developer (Java/Python) at Genesis10 in Pennington, NJ

Job description

• Genesis10 is currently seeking a Full Stack Developer (Java/Python) for a contract position with a Global Financial Institution located in Pennington, NJ or Plano, TX. This is a 12 month contract opportunity.
• We are seeking a highly skilled Full Stack Developer with strong experience in Java and/or Python, and expertise in event-driven architectures using Apache Kafka. The ideal candidate will design, develop, and maintain scalable applications, working across both frontend and backend layers. You will collaborate with cross-functional teams to deliver high-quality, secure, and performant systems.

Responsibilities

• Design, develop, and maintain end-to-end web applications (frontend backend)
• Build scalable microservices and RESTful APIs using Java (Spring Boot) and/or Python (FastAPI, Flask, Django)
• Develop and maintain event-driven systems using Apache Kafka (producers, consumers, streams)
• Work with frontend technologies such as React, Angular, or Vue.js
• Ensure application performance, scalability, and reliability
• Implement CI/CD pipelines and support DevOps processes
• Collaborate with product owners, architects, and other developers
• Perform code reviews, testing (unit/integration), and debugging
• Ensure security best practices and compliance standards

Requirements

• Bachelor's degree in Computer Science, Engineering, or related field
• 5 years of experience in software development
• Strong experience in Java and/or Python backend development
• Strong experience in Apache Kafka / messaging systems
• Solid understanding of RESTful APIs
• Solid understanding of distributed systems & microservices architecture
• Experience with frontend frameworks (React, Angular, or similar)
• Proficiency with Git, version control
• Proficiency with relational and NoSQL databases (e.g., PostgreSQL, MongoDB)
• Familiarity with cloud platforms (AWS, Azure, or GCP)

Skills

Required

• Java
• Python
• Apache Kafka
• RESTful APIs
• Microservices architecture
• Distributed systems
• Git
• Relational databases (e.g., PostgreSQL)
• NoSQL databases (e.g., MongoDB)

Preferred

• Cloud platforms (AWS, Azure, or GCP)

Benefits

• For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:
• Access to hundreds of clients, most who have been working with Genesis10 for 5-20 years.
• The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
• Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
• Behavioral Health Platform
• Medical, Dental, Vision
• Health Savings Account
• Voluntary Hospital Indemnity (Critical Illness & Accident)
• Voluntary Term Life Insurance
• 401K
• Sick Pay (for applicable states/municipalities)
• Commuter Benefits (Dallas, NYC, SF, and Illinois)
• For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.
• Pay range: $55.06 - $63.06 per hour