채용
Benefits & Perks
•Healthcare
•401(k)
•Parental Leave
•Paid Leave
•Gym
•Learning Budget
•Healthcare
•401k
•Parental Leave
•Gym
•Learning
Required Skills
C
C++
Linux
Performance engineering
Shell scripting
Automation
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
Senior Software Engineer:
Who is Mastercard?
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 culture of inclusion for all employees that respect 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.
About the Role:
This is an exciting opportunity for you to join Mastercard’s Transaction Switching program to improve the authorization transaction time. Authorization sends billions of transactions among the integrated issuers, acquirers, and service providers worldwide. This position is part of the Performance Engineering team and will partner with the feature development teams to test performance and tune each release. We are looking for software engineers that are passionate about creating high quality software with application performance top of mind.
Role
- Work closely with feature teams to identify risks and anticipate problems to ensure that each release does not negatively impact performance
- Dig into the code to determine performance bottlenecks and make the improvement
- Design, configure, automate, and execute performance tests
- Improve the performance environment with your own code, automation, and onboarding of external tools (i.e. Dynatrace and Splunk)
- Work collaboratively and effectively in a fast-paced environment
All About You:
- Proven experience developing backend applications in a Linux environment with C and/or C++ programming language(s)
- Deep knowledge and experience of computer architecture with throughput, latency, memory and CPU utilization for performance engineering to test, debug and troubleshoot performance issues.
- Clear experience with automation to create scripts for manual tasks (I.e., shell scripting, TCL, Perl, Python)
#AI3
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 and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. 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 of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 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; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon, Missouri: $115,000 - $184,000 USD
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About Mastercard

Mastercard
PublicA financial network that processes payments between banks and cardholders
10,001+
Employees
Purchase
Headquarters
$360B
Valuation
Reviews
4.1
15 reviews
Work Life Balance
4.0
Compensation
3.5
Culture
3.5
Career
3.0
Management
3.0
65%
Recommend to a Friend
Pros
Good work-life balance reputation
Competitive compensation packages
Strong benefits and perks
Cons
Recent layoffs and job insecurity
Limited negotiation flexibility on salary
No RSUs for some positions
Salary Ranges
32 data points
Junior/L3
Director
Junior/L3 · Data Engineer
5 reports
$137,800
total / year
Base
$106,000
Stock
-
Bonus
-
$107,900
$166,918
Interview Experience
7 interviews
Difficulty
3.3
/ 5
Duration
14-28 weeks
Offer Rate
29%
Experience
Positive 0%
Neutral 86%
Negative 14%
Interview Process
1
Application Review
2
Recruiter Screen
3
Technical Interview
4
Behavioral Interview
5
Final Round/Super Day
6
Offer Decision
Common Questions
Coding/Algorithm
Technical Knowledge
Behavioral/STAR
System Design
Past Experience
News & Buzz
Cantor Fitzgerald Sees Structural Tailwinds Supporting Mastercard's (MA) Long-Term Growth - Finviz
Source: Finviz
News
·
4w ago
Major employers that have announced job cuts in 2026 - NewsNation
Source: NewsNation
News
·
5w ago
American Express and Mastercard post strong earnings. But political risks loom large - qz.com
Source: qz.com
News
·
5w ago
Mastercard Stock Rises on Earnings. Consumer Spending Is ‘Healthy,’ Says CEO. - Barron's
Source: Barron's
News
·
5w ago