MastercardO'Fallon 63368
Full Time
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Senior Software Engineer

Full Time Mastercard, 2200 Master Card Blvd, O'Fallon, MO 63368, United States


We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Senior Software Engineer

Senior Software Development Engineer

Responsible for delivering high-quality business and functional requirements (in the form of user stories) to the development teams for the purpose of completing the design, coding, testing, and implementation phases of the project life cycle

• Works closely with architect guild, analysts, and technical leads from impacted teams to refine requirements for new functionality and enhancements for service platforms

• Leveraging the results of the requirements and gap analysis, builds business cases which bridge gaps in system functionality vs. user requirements to maximize Certificate and Signing Services ability to deliver on our Crypto roadmap.

• Applies detailed understanding of Certificate and Signing Services applications and business needs and its impact to confirm requirement specifications for management purposes and develop IT solutions that meet key objectives

• Participates in requirements gathering and review sessions for complex applications including functionality such as encryption and certificate management

• Performs analysis of system requirements and works closely with the development teams to ensure proper designs are achieved

• Provides technical analysis of application software to ensure that business and functional requirements can be met

• Reviews test cases to ensure accuracy and complete coverage of the story’s acceptance criteria

• Provides technical support to client applications teams during implementations of new services and provides subject matter expertise for support escalations

All About You

Ability to quickly learn technical product knowledge, especially security-related concepts

• Understanding of the product development lifecycle, maturity, and road-mapping exercises.

• Experience working on large-scale enterprise initiatives that include multiple impact teams across the enterprise.

• Experience leveraging or developing solutions using Information Security-related concepts: Cryptography – X.509, Certificate Management Protocol (CMP), public key cryptography standards. Familiarity with Hardware Security Modules (HSMs).

• Strong written and verbal communication skills with the ability to convey messages at different levels – detailed and high-level management

• Ability to effectively drive resolution of issues and roadblocks

• Highly motivated and proactive to ensure the success of the team and product

• High degree of ownership to deliver expected objectives

• Working experience with Hardware Security Modules (HSMs), PKCS11 and AMQP and Hashicorp Vault

• Comprehensive experience in agile delivery methodologies (scrum, Kanban, etc.) and CI/CD

• Deep understanding of the platform, the integration patterns, the organizational capabilities, and the company wide assets that can be leveraged to provide technical solutions to customer problems

• Extensive experience in designing and implementing shared web service platforms including front end and backend capabilities.

• Demonstrated ability to operate with complete independence and autonomy.

• Extensive experience with the following technologies and frameworks: Angular.JS, React.Js,C, C++, Java, Node.JS,Data Structures, Jenkins, MSSQL, GIT, Unix & Windows

• Expert knowledge with the Confluence, Splunk , Rally, Remedy and JIRA tools

• Hands on experience in code reviews and change management

In the US, Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. If you require accommodations or assistance to complete the online application process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard’s security policies and practices;

  • Ensure the confidentiality and integrity of the information being accessed;

  • Report any suspected information security violation or breach, and

  • Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Pay Ranges

O'Fallon, Missouri: $112,000 - $173,000 USD