Genesis10 is currently seeking a Full Stack Developer - Onsite 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 with Apache Kafka / messaging systems Solid understanding of RESTful APIs and distributed systems & microservices architecture Experience with frontend frameworks (React, Angular, or similar) Proficiency with Git, version control, and relational and NoSQL databases (e.g., PostgreSQL, MongoDB) Desired skills: Familiarity with cloud platforms (AWS, Azure, or Google Cloud Platform) Pay range: $55.06 - $63.06 per hour Only candidates available and ready to work directly as Genesis10 employees will be considered for this position. If you have the described qualifications and are interested in this exciting opportunity, please apply! Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals. 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. Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.