Job Description

Client: Mastercard

Job Title: Java Developer

Location: St. Louis, MO – Onsite

Visa Type : Local H1B, EAD, GC,USC

Note : Local Candidates Only

About the Role

We are seeking a highly skilled Java Developer to join our client Mastercard’s engineering team in St. Louis. This role focuses on leading a team of developers, driving technical design, and ensuring delivery of high-quality enterprise solutions. As part of Mastercard’s commitment to diversity hiring , we strongly encourage applications from underrepresented groups in technology.

Key Responsibilities

• Lead and mentor a team of developers, providing technical guidance and best practices.
• Design, develop, and maintain enterprise-grade applications using Java and related technologies.
• Collaborate with product owners, architects, and cross-functional teams to define technical solutions.
• Ensure scalability, performance, and security standards are met in all deliverables.
• Participate in code reviews, architectural discussions, and hands-on development.
• Drive Agile/Scrum ceremonies, ensuring timely and quality project delivery.
• Contribute to innovation, process improvements, and adoption of modern technologies.

Required Skills & Qualifications

• Master’s/Bachelor’s degree in Computer Science, Engineering, or related field.
• 8+ years of experience in software development
• Strong expertise in Java, Spring Boot, Microservices, RESTful APIs .
• Hands-on experience with Cloud platforms (AWS/Azure/GCP) .
• Proficiency in SQL/NoSQL databases .
• Experience with CI/CD pipelines, Jenkins, Git, and DevOps practices .
• Strong understanding of Agile/Scrum methodologies .
• Excellent problem-solving, leadership, and communication skills.

Preferred Qualifications

• Prior experience in fintech or payment systems .
• Familiarity with containerization (Docker, Kubernetes) .
• Exposure to performance tuning, security best practices, and large-scale systems .

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