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Principal Software Engineer - Mobile

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Principal Software Engineer - Mobile

Principal DevOps Engineer – Builders Enablement, Automation Frameworks, CD

Overview
The Automation Frameworks team in Mastercard’s Architecture & Technology division is leading the DevOps transformation at Mastercard by developing automation tooling and driving standards throughout the development, quality, release, and product organizations.
Our team members have an appetite for change and pushing the boundaries of what can be done with automation. We are responsible for automation standards with Mastercard, maintaining industry standard toolsets, and working closely with other departments implementing a variety of application build and deployment designs and processes.

Role
We demonstrate 'Mastercard values every day - own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive – with a relentless focus on our customers. As a Principal Engineer at Mastercard, you are expected to carry out the following general duties:

-- Work on complex enterprise-wide initiatives spanning multiple services/programs and drives resolution
-- Work with business/product owners to architect and deliver new services to introduce new products and bundles
-- Contribute and lead Guild initiatives to improve the craftmanship of Software Engineering
-- Drive the architectural design, including dependent services, service interactions, and policies
-- Apply judgment and experience to balance trade-offs between competing interests
-- Venture beyond comfort zone to take on assignments across different areas of Software Engineering
-- Consult across teams and across program lines to identify synergies and reuse opportunities
-- Identify and raise awareness of silo-ed behaviors amongst teams within the program.

The Automation Frameworks team is looking for a DevOps Engineer who can help us solve problems, build our CI/CD pipelines and lead Mastercard in DevOps automation and best practices.
-- Are you a born problem solver who loves to figure out how something works?
-- Are you a CI/CD geek who loves all things automation?
-- Do you have a low tolerance for manual work and look to automate everything you can?

All About You
Mastercard is seeking an engineer with experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, and Artifactory. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is required.

-- Bachelor or master's degree in Computer Science or equivalent

--Experience in one or more of the following is preferred: Java, Python, Go, Groovy, Perl or Ruby.
--Experience in mobile development and deployment of iOS and Android applications.
--Experience in administering both Apple and Google playstores.
--Experience with Google Firebase projects.

-- Working knowledge of public cloud platforms such as AWS, Azure and GCP.
-- Use Jenkins to orchestrate builds as well as link to Sonar, Maven, Artifactory, etc. to build out the CI/CD pipeline.
-- Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement.
-- Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity.
-- Practice sustainable incident response and blameless postmortems.
-- Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover
-- Work with a global team spread across tech hubs in multiple geographies and time zones
-- We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed.

Mastercard is a merit-based, 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. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com 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: $165,000 - $264,000 USD

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Average salary estimate

$214500 / YEARLY (est.)
min
max
$165000K
$264000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Principal Software Engineer - Mobile, Mastercard

At Mastercard, we're on a mission to power economies and empower people around the globe, and we're excited to invite a new Principal Software Engineer - Mobile to our team in O'Fallon, Missouri! This is a thrilling role where you will work alongside talented professionals as part of the Automation Frameworks team in our Architecture & Technology division. Here, we lead the DevOps transformation by developing cutting-edge automation tools that make a difference. As a Principal Software Engineer - Mobile, you’ll take charge of complex initiatives that span multiple services, working closely with our business and product owners to architect and deliver innovative new services, all while driving standards in automation. Your strong foundation in CI/CD pipelines and your love for solving intricate problems will help us to streamline and enhance our operations. At Mastercard, we value ownership, inclusivity, and a proactive approach. So, if you love all things automation, have experience in mobile application development, and are familiar with industry-standard tools like Git, Jenkins, and cloud platforms, we want to hear from you! Together, we can create secure and simplified digital payment experiences that empower consumers and businesses alike.

Frequently Asked Questions (FAQs) for Principal Software Engineer - Mobile Role at Mastercard
What are the primary responsibilities of a Principal Software Engineer - Mobile at Mastercard?

The Principal Software Engineer - Mobile at Mastercard is responsible for overseeing complex enterprise-wide initiatives, collaborating with product owners to develop new services, and leading the Automation Frameworks team in implementing industry-standard DevOps practices. This includes architecting effective CI/CD pipelines, maintaining automation standards, and driving continuous improvement in software craftsmanship.

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What qualifications are needed for the Principal Software Engineer - Mobile position at Mastercard?

Candidates applying for the Principal Software Engineer - Mobile position must possess a Bachelor’s or Master’s degree in Computer Science or a related field. Experience in CI/CD tools, mobile development for iOS and Android, and languages like Java or Python is also preferred. Additionally, familiarity with cloud platforms and deployment processes is a plus.

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What experience is preferred for a Principal Software Engineer - Mobile at Mastercard?

Preferred experience for the Principal Software Engineer - Mobile role at Mastercard includes working with CI/CD tools such as Git, Jenkins, and Artifactory, along with hands-on experience in mobile applications development and deployment. Candidates should demonstrate a ability to automate processes, optimize workflows, and engage with cross-functional teams effectively.

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How does Mastercard support the professional growth of its Principal Software Engineers?

Mastercard is dedicated to fostering a culture of continuous improvement and inclusivity. Principal Software Engineers - Mobile are encouraged to engage in training and development opportunities, participate in guild initiatives, and contribute to crafting best practices in software engineering, which enhances both their personal growth and the company's innovative capabilities.

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What is the salary range for the Principal Software Engineer - Mobile position at Mastercard in O'Fallon, Missouri?

The salary range for the Principal Software Engineer - Mobile role at Mastercard in O'Fallon, Missouri, is competitive, varying from $165,000 to $264,000 USD. This range takes into account factors like location, experience, and qualifications, and may include eligibility for annual bonuses and comprehensive benefits.

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Common Interview Questions for Principal Software Engineer - Mobile
Can you describe your experience with CI/CD tools in your previous roles?

In your answer, highlight specific tools you’ve used, such as Git or Jenkins, and detail how you implemented them in your CI/CD pipelines. Discuss any challenges you faced and how you overcame them. Ending with results achieved through your efforts can demonstrate the impact of your work.

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How have you contributed to improving software development processes in your past positions?

Discuss specific examples where you took the initiative to streamline or improve existing processes for software development. Use metrics or tangible outcomes to illustrate the effectiveness of the changes you implemented, showcasing your thought leadership and problem-solving skills.

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What are the best practices for mobile application deployment that you follow?

Share your insights regarding key practices such as user testing, beta releases, and version control that ensure quality deployments. Highlight your experiences with both Apple and Google Play stores and any specific strategies that promote smooth deployment processes.

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Describe a challenging technical problem you encountered and how you resolved it.

Choose a specific instance where you faced a significant technical challenge. Outline the problem, the steps you took to analyze it, and the solution you implemented. Emphasize collaborative efforts if it involved other team members and what you learned throughout the process.

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How do you ensure the reliability and performance of applications your team develops?

Discuss techniques such as automated testing, monitoring tools, and continuous feedback mechanisms that help in maintaining application performance standards. Illustrate with examples how you implemented these practices to enhance reliability in past projects.

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What are your strategies for keeping up with developments in mobile software engineering?

Demonstrate your commitment to continuous learning by discussing resources, conferences, or communities you engage with. Mention trends or technologies you’ve recently explored and how you integrate new knowledge into your work to stay relevant.

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Can you elaborate on your experience with Cloud services?

Share your proficiency with cloud platforms such as AWS, Azure, or GCP by discussing specific projects where you leveraged these technologies. Detail how you utilized cloud services to enhance scalability, reliability, and security in applications.

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How do you collaborate with cross-functional teams during software projects?

Illustrate your approach to cross-functional collaboration by providing an example of a project where you worked with diverse teams. Highlight how you communicated ideas and ensured understanding across disciplines, which resulted in successful project outcomes.

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What changes have you implemented in your previous roles to reduce manual processes?

Discuss your experiences with automation in software development and deployment. Provide specific examples of processes that were successfully automated and the impact this had on efficiency and resource allocation.

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Why are you interested in the Principal Software Engineer - Mobile position at Mastercard?

Tailor your answer to emphasize your alignment with Mastercard’s values and mission. Reflect on what excites you about the role, such as the opportunity to lead transformation in DevOps and contribute to impactful digital payment innovations.

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We believe in connecting everyone to Priceless possibilities. We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible.

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MATCH
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BADGES
Badge Diversity ChampionBadge Future MakerBadge Global CitizenBadge Office VibesBadge Work&Life BalanceBadge Rapid Growth
CULTURE VALUES
Inclusive & Diverse
Empathetic
Collaboration over Competition
Growth & Learning
Transparent & Candid
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
EMPLOYMENT TYPE
Full-time, on-site
DATE POSTED
April 14, 2025

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