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Senior Software Engineer - Security Threat and Response Management

Mastercard

$115,000 - $184,000
Oct 3, 2025
O'Fallon, MO, USA
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Mastercard is looking to hire a Senior Software Engineer to design and implement scalable, resilient, and highly performant security services in the Identity and Access Management space, contributing to the development of foundational capabilities for application teams and driving architecture and design decisions.

Requirements

  • Ability to perform Proof of Concepts, ability to quickly code, script and deploy.
  • Experience in working with fast paced, modern architecture using Java, JavaScript, Spring boot, Redis or similar technologies.
  • Proven experience of understanding with security fundamentals in identity and access space.
  • Proficiency in Software Development Best Practices (TDD/BDD, Unit test, Continuous Delivery, …)
  • Advanced analytical and problem-solving skills.
  • Desire to stay abreast of new development technologies and tools.
  • Working experience in a security space dealing with Identity management or vulnerability management.

Responsibilities

  • Design and implement a scalable, resilient and highly performant set of security services in Identity and Access Management space
  • Provide guidance to teams on development standards, automation and tools.
  • Identify performance bottlenecks and come up with novel ways to solve them.
  • Work on Pre SDLC or Discovery activities owning and contributing to assigned activities related to technical feasibility & assessment, providing responses.
  • Work to define feature requirements and deliver the product that materially impacts the business and improves the consumer experience.
  • Participates in the Software Development Life Cycle through Coaching, R&D, Proof of Concepts, Prototyping, Code review etc.
  • Influences the development practices so that they are in compliance with best practices, policies and procedures.

Other

  • Very good inter-personal skills and ability to work in a collaborative environment.
  • Strong communication skills, with an ability to express design ideas to a development team.
  • BS in Computer Science or related technical field or equivalent practical experience preferred, not required.
  • Abide by Mastercard’s security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;