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Contract Mastercard Software Engineer Jobs (NOW HIRING)

Senior Software Engineer

O Fallon, MO ยท On-site +1

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Overview We work to connect and power an inclusive ...

Software Engineer II

O Fallon, MO

$91K - $124K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II Who is Mastercard? We work to connect and power an inclusive ...

Software Engineer II

O Fallon, MO ยท On-site

$91K - $124K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II Overview: We work to connect and power an inclusive, digital ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II (IBM ODM) Overview Mastercard is seeking a Software Engineer ...

Principal Software Engineer

San Francisco, CA ยท On-site

$159K - $213K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Principal Software Engineer Who is Mastercard? Mastercard is a global technology ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer All About Us MasterCard is a technology company in the ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II (IBM ODM) Overview Mastercard is seeking a Software Engineer ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II (IBM ODM) Overview Mastercard is seeking a Software Engineer ...

Senior Software Engineer

O Fallon, MO ยท On-site +1

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ...

Senior Software Engineer

Arlington, VA ยท Hybrid

$140K - $185K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Overview: The Accelerators group within Mastercard ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ...

Principal Software Engineer

Atlanta, GA

$129K - $174K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... contracts, lineage, freshness, and quality controls that keep decisioning data trustworthy ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... This Senior Software Engineer will be responsible for the component design, development and ...

Senior Software Engineer

Arlington, VA ยท On-site

$140K - $185K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Lead Software Engineer Overview: The Accelerators group under the Business ...

Principal Software Engineer

Arlington, VA

$155K - $208K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... contracts, lineage, freshness, and quality controls that keep decisioning data trustworthy ...

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Showing results 1-20

Contract Mastercard Software Engineer information

See salary details

$24K

$104.9K

$189K

How much do contract mastercard software engineer jobs pay per year?

As of Jun 17, 2026, the average yearly pay for contract mastercard software engineer in the United States is $104,863.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,000.00 and $120,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by Contract Mastercard Software Engineers when integrating payment solutions for clients?

Contract Mastercard Software Engineers often encounter challenges such as navigating complex compliance requirements, ensuring secure data handling, and integrating APIs with diverse client systems. Since Mastercard's payment solutions must adhere to strict security standards like PCI DSS, engineers need to stay updated on regulations and best practices. Additionally, collaborating remotely with client teams and other vendors can introduce communication hurdles, making clear documentation and proactive updates crucial for project success.

What is the difference between Contract Mastercard Software Engineer vs Contract Visa Software Engineer?

AspectContract Mastercard Software EngineerContract Visa Software Engineer
Required CredentialsBachelor's in Computer Science, relevant coding skills, possibly certifications in software developmentBachelor's in Computer Science or related field, coding proficiency, industry certifications often preferred
Work EnvironmentFinancial services, payment processing, technology teams within MastercardFinancial services, payment solutions, technology teams within Visa
Employer & Industry UsagePrimarily in Mastercard's payment network and financial technology projectsPrimarily in Visa's payment network and financial technology projects

Both roles involve developing payment processing software within major financial networks. The main differences lie in the specific employer and associated payment platform. Contract Mastercard Software Engineers focus on Mastercard's systems, while Contract Visa Software Engineers work within Visa's infrastructure. Skills and credentials are similar, making these roles comparable in the financial technology industry.

What are the key skills and qualifications needed to thrive as a Contract Mastercard Software Engineer, and why are they important?

To thrive as a Contract Mastercard Software Engineer, you need strong proficiency in software development, payment processing technologies, and an understanding of Mastercard's platforms, often backed by a degree in computer science or related field. Familiarity with industry-standard languages (such as Java or C#), secure coding practices, and experience with Mastercard APIs or ISO 8583 protocols is typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills help engineers collaborate with cross-functional teams and address complex technical challenges. These skills and qualities are crucial for ensuring secure, reliable, and innovative payment solutions that meet Mastercard's high standards.

What is a Contract Mastercard Software Engineer?

A Contract Mastercard Software Engineer is a technology professional who is hired on a temporary or project basis to develop, maintain, or improve software systems for Mastercard or its partners. These engineers typically work with payment technologies, security protocols, APIs, and large-scale transaction systems. They may be involved in designing new features, troubleshooting issues, or integrating Mastercard services with other platforms. Contract positions offer flexibility but may require specialized knowledge of payment processing and compliance standards. Such roles often involve close collaboration with both internal teams and external vendors.
More about Contract Mastercard Software Engineer jobs
What cities are hiring for Contract Mastercard Software Engineer jobs? Cities with the most Contract Mastercard Software Engineer job openings:
What are the most commonly searched types of Mastercard Software Engineer jobs? The most popular types of Mastercard Software Engineer jobs are:
What states have the most Contract Mastercard Software Engineer jobs? States with the most job openings for Contract Mastercard Software Engineer jobs include:
Infographic showing various Contract Mastercard Software Engineer job openings in the United States as of June 2026, with employment types broken down into 4% Internship, 66% Full Time, and 30% Contract. Highlights an 96% In-person, and 4% Remote job distribution, with an average salary of $104,863 per year, or $50.4 per hour.
Senior Software Engineer

Senior Software Engineer

MasterCard

O Fallon, MO โ€ข On-site, Remote

$114K - $151K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago


Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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 EngineerOverview
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 and contribute to improving the response time for new applications that support the Authorization payment network. This position is on the performance engineering team that partners with development teams on optimization and testing. We are looking for an experienced engineer that is passionate about performance with a constant focus on improving system quality.
Role
Design, configure, and execute performance tests and drive resolution of failures
Create performance measurements such as requests per second, P95 and P99 response latency, query performance, concurrency, and system utilization
Dig into Java code, databases, middleware, and vendor software to identify performance bottlenecks and resolve them
Improve the performance environment with your own code, automation, and external tools
Apply technical ability to coach and develop junior engineers
Deliver department and external presentations sharing results with stakeholders
All About You
Strong software engineering experience writing applications using Java Spring Boot framework
Strong experience debugging performance issues with APM tools (i.e. Dynatrace, Splunk, Jprofiler, and JMH)
Strong experience optimizing DB queries in PostgreSQL and Oracle
Experience with Payments industry preferred (i.e. ISO 8583 messaging, 4-party model, and payment applications)
Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive
Time/project management, workload prioritization, knowledge sharing and a passion to learn/take on challenges is a must
Self-motivated demonstrating strong organizational and listening skills; and very detail oriented with the ability to carry out assigned tasks with minimal supervision
Strong verbal and written communications skills
Appetite for change and pushing the boundaries of what can be done with automation. Be curious about new technology, infrastructure, and practices to scale our architecture and prepare for future growth
Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based diverse and geographically distributed project teamMastercard 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