Full-Stack Engineer II – Real-Time Analytics

Socket.dev; Arlington (VA); Hybrid; USD 106,000 - 169,000; Full time

Benefits offered by this job

Insurance benefits

401k with company match

Paid time off

Tuition reimbursement

Job summary

Mastercard in Arlington, VA is seeking a Software Engineer II to build and scale real-time analytics applications that empower thousands of clients. You will design end-to-end, full-stack solutions, contribute across the development lifecycle, and work in hybrid teams with US and global partners.

The role requires strong Java/Spring/React skills, solid data-store experience, and a mindset for high-performance systems in a fast-paced, agile environment.

Qualifications

• Hands-on software engineering experience, with a strong background in full-stack development, building scalable, high-performance applications.
• Full-stack development expertise across UI, microservices architecture, and database technologies.
• Strong proficiency in Java, Spring Boot, React, and PostgreSQL; experience with Snowflake, GitHub Copilot is a plus.
• Solid understanding of software design patterns, system architecture, data structures, and algorithms, with experience designing maintainable, resilient, and high-performance systems.
• Demonstrated ability to solve complex, real-world technical challenges and innovate with large-scale data sets.
• Proven ability to thrive in collaborative, agile development environments, contributing to team planning, execution, and continuous improvement.
• Excellent written and verbal communication skills, with the ability to convey technical concepts to cross-functional teams and stakeholders.
• Strong problem-solving mindset, initiative, and creativity in approaching new challenges.
• Bachelor degree in Computer Science, Software Engineering, Information Technology, or a related field. Equivalent practical experience may also be considered.

Responsibilities

• Design and develop scalable, service-oriented software architectures supporting analytics-driven applications.
• Drive the development of robust web applications and continuously enhance product capabilities.
• Produce well-structured, maintainable code using modern design patterns and principles that ensure separation of concerns.
• Write clean, testable code and participate in peer code reviews to ensure high engineering standards.
• Create cutting-edge algorithms and analytical techniques that can handle on-the-fly processing across hundreds of dimensions.
• Contribute to all stages of the development lifecycle, including design, implementation, and testing.
• Collaborate cross-functionally to deliver scalable and resilient applications aligned with business needs.
• Leverage emerging technologies and innovative approaches to optimize performance across large-scale data environments.
• Apply expertise in computer science, mathematics, and statistics to address complex challenges faced by global organizations.

Skills

Java

Spring Boot

React

PostgreSQL

Snowflake

GitHub Copilot

Education

Bachelor's degree in Computer Science/Software Engineering/Information Technology

Tools

Git

Job description

Mastercard in Arlington, VA is seeking a Software Engineer II to build and scale real-time analytics applications that empower thousands of clients. You will design end-to-end, full-stack solutions, contribute across the development lifecycle, and work in hybrid teams with US and global partners.

The role requires strong Java/Spring/React skills, solid data-store experience, and a mindset for high-performance systems in a fast-paced, agile environment.