Software Engineer II




O'Fallon, MO

Why you should apply for a job to Mastercard:

  • 4.7/5 in supportive management
  • 69% say women are treated fairly and equally to men
  • 100% say the CEO supports gender diversity
  • Ratings are based on anonymous reviews by Fairygodboss members.


    Position summary

    is 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. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

    This role will consist of adding value added services to Mastercard's access management solution platform.

    • Responsible for the analysis, design, development and delivery of software
    • Participate in team prioritization discussions with Product/Business
    • Estimate and own delivery tasks (design, dev, test, deployment, configuration,
    documentation) to meet the business requirements
    • Automate build, operate, and run aspects of software
    • Drive code/design/process trade-off discussions within their team when required
    • Drive adoption of technology standards and opinionated frameworks, and review
    coding, test, and automation work of team members

    All About You
    • Has ability to write secure code in Java or Python) and familiar with secure
    coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management
    • Understands the basic engineering principles used in building and running
    mission critical software capabilities (security, customer experience, testing,
    operability, simplification, service-oriented architecture)
    • Able to perform debugging and troubleshooting to analyze core, heap, thread
    dumps and remove coding errors
    • Understands use cases for advanced design patterns (e.g., service-to-worker,
    MVC, API gateway, intercepting filter, dependency injection, lazy loading, all from
    the gang of four) to implement efficient code
    • Has skills to author test code with lots of smaller tests followed by few contract
    tests at service level and fewer journey tests at the integration level (Test
    Pyramid concept)
    • Apply tools (e.g., Sonar, Zally, Checkmarx ) and techniques to scan and measure
    code quality and anti-patterns as part of development activity

    Nice to have(s)
    • Experience developing with relational and NoSQL databases (e.g. MongoDB,
    • Experience developing frontend solutions with Angular or React or other modern

    Mastercard is an inclusive equal 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. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] 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.

    In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary based on location, experience and other qualifications for the role and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance), flexible spending account and health savings account, paid leaves (including 16 weeks new parent leave, up to 20 paid days bereavement leave), 10 annual paid sick days, 10 or more annual paid vacation days based on level, 5 personal days, 10 annual paid U.S. observed holidays, 401k with a best-in-class company match, deferred compensation for eligible roles, fitness reimbursement or on-site fitness facilities, eligibility for tuition reimbursement, gender-inclusive benefits and many more.

    Pay Ranges
    O'Fallon, Missouri: $92,000 - $147,000 USD

    Why you should apply for a job to Mastercard:

  • 4.7/5 in supportive management
  • 69% say women are treated fairly and equally to men
  • 100% say the CEO supports gender diversity
  • Ratings are based on anonymous reviews by Fairygodboss members.