Application Programmer

Genesis10 is currently seeking a Senior Full Stack Developer for a hybrid position (3 days onsite) with a Global Financial Institution located in Jersey City, NJ. This is a 12+ month contract opportunity.

We are seeking a highly experienced Senior Full Stack Developer with deep expertise in backend systems, data engineering, MCP-based services, and AI-enabled applications. This role focuses on the design, development, and support of enterprise-scale applications and data platforms, with a strong emphasis on API-driven architectures, cloud-native development, and DevOps practices. The ideal candidate brings hands-on experience across Java, Python, and modern frameworks, and is comfortable owning systems end-to-end from architecture through production support.

Responsibilities:

• Design, develop, and maintain enterprise-grade backend and full stack applications using Java and Python
• Build, integrate, and manage Model Context Protocol (MCP) services to support AI/LLM-driven workflows and integrations
• Architect and implement RESTful and event-driven APIs for internal and external consumers
• Apply clean architecture principles, SOLID design patterns, and secure coding standards
• Design, build, and operate scalable ETL and data pipelines using Informatica, PySpark, SQL, and Python
• Support transactional and analytical workloads using modern data warehouses and databases
• Integrate AI/ML capabilities into applications and services, including LLM-based features and automation
• Deploy, manage, and scale applications in containerized environments using Docker and Kubernetes
• Support and improve CI/CD pipelines and infrastructure leveraging modern DevOps tools
• Participate in production support, root cause analysis, and performance tuning
• Lead and participate in code reviews, design reviews, and architectural discussions
• Mentor junior and mid-level engineers while promoting engineering excellence and best practices

Requirements:

• 10+ years of professional software engineering experience in enterprise or large-scale systems
• Strong proficiency in Java and Python
• Extensive experience building and consuming RESTful APIs
• Hands-on experience with ETL frameworks (Informatica, PySpark, SQL-based pipelines)
• Strong experience with modern data warehouses like Vertica, SingleStore, Clickhouse, Snowflake, etc.
• Deep knowledge of SQL optimization and data performance tuning
• Proven experience with Docker, Kubernetes, and containerized deployments
• Experience integrating or supporting AI/ML-driven systems, preferably using MCP services
• Strong understanding of Linux and Windows environments
• Proficiency with Git and modern SDLC practices

Desired skills:

• Experience with C#
• Frontend experience with React, Angular, or similar frameworks
• Experience designing microservices and event-driven architectures
• Strong CI/CD and DevOps background (GitHub Actions, Jenkins, Azure DevOps, etc.)
• Experience with cloud platforms (Azure, AWS, or GCP)
• Background in high-volume, data-intensive, or regulated systems
• Prior experience in technical leadership or solution architecture

Pay range: $58.26 - $66.26 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.