Application Programmer

Genesis10 is currently seeking a Mule/Spring Developer - Hybrid position with a Global Financial Institution located in Addison, TX. This is a 12+ month contract opportunity.

This role involves analyzing existing MuleSoft flows and transforming them into Spring-based equivalents. The ideal candidate will build RESTful APIs, develop high-quality, maintainable code, and contribute to integration architecture decisions. The position requires a strong focus on performing vulnerability remediations and ensuring all services align with enterprise governance and security guidelines.

Responsibilities:

• Analyze existing MuleSoft flows, connectors, RAML/API specs, error-handling patterns, and transform them into Spring-based equivalents
• Understand and perform vulnerability remediations across various mule components and Spring boot APIs, including SQL injection, Xpath injection, cross-site and server-side request forgery, and Authentication
• Build RESTful APIs, pipelines for synchronous/asynchronous flows, and reusable integration components
• Develop high-quality, maintainable, testable code following modern engineering practices
• Contribute to integration architecture decisions and propose improvements to system reliability, performance, and scalability
• Establish standards for logging, exception handling, API design, and message exchange patterns
• Ensure all services align with enterprise governance, CI/CD pipelines, security, and cloud deployment guidelines
• Partner closely with architects, MuleSoft developers, business SMEs, QA, and DevOps teams
• Provide technical mentorship to junior developers on Spring Integration concepts
• Participate in code reviews, design reviews, and architecture discussions

Requirements:

• 7+ years of hands-on experience with Spring Boot and core Spring ecosystem
• 3+ years designing and implementing solutions using Spring Integration (DSL, channels, transformers, routers, gateways)
• Strong Java development background
• Strong background in enterprise integration patterns (EIP)
• Hands-on experience with MuleSoft 4.x, especially Mule 4.4: Experience analyzing Mule flows, DataWeave transformations, connectors, and API specifications
• Proficiency with messaging platforms such as Kafka, ActiveMQ / RabbitMQ, and JMS-compatible systems
• Strong experience with API development, RESTful services, and microservice architecture
• Solid hands-on experience with CI/CD pipelines (Git, Jenkins, etc.)
• Hands-on experience with unit testing and integration testing frameworks: JUnit, Mockito, Spring Test, TestContainers, WireMock
• Experience with containerization and orchestration: Docker, Kubernetes

Desired skills:

• Prior experience migrating from MuleSoft to Spring Integration, Camel, or other Java-based integration frameworks
• Knowledge of Spring Cloud Gateway or API gateway frameworks
• Experience with performance tuning of integration services
• Understanding of security frameworks (OAuth2, JWT, mTLS)
• Strong communication and documentation skills
• Ability to collaborate with cross-functional teams and influence without authority
• Self-driven, proactive, and comfortable working in a fast-paced environment
• Strong analytical and problem-solving abilities

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.