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Contract Mastercard Software Engineer Jobs (NOW HIRING)

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is enhanced ...

Principal Software Engineer

New York, NY

$147.70K - $198K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Principal Software Engineer Overview The Builders Hub Team, part of the ...

Principal Software Engineer

Manhattan, NY ยท On-site

$148.80K - $199.50K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Principal Software Engineer Overview The Builders Hub Team, part of the ...

Principal Software Engineer

New York, NY ยท On-site

$147.70K - $198K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Principal Software Engineer Overview The Builders Hub Team, part of the ...

Principal Software Engineer

Manhattan, NY ยท On-site

$148.80K - $199.50K/yr

Principal Software Engineer The Builders Hub Team, part of the Mastercard Software Builders Experience program, owns and drives developer experience for the company. The team has a unique opportunity ...

Software Engineer II

O Fallon, MO

$91.20K - $124.90K/yr

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

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

Lead Software Engineer Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where ...

Software Engineer II

O Fallon, MO ยท On-site +1

$91.20K - $124.90K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a ...

Software Engineer II

O Fallon, MO ยท On-site

$91.20K - $124.90K/yr

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

Software Engineer II

O Fallon, MO ยท On-site

$92K - $147K/yr

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

Software Engineer II

O Fallon, MO ยท Hybrid

$91.20K - $124.90K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Software Engineer II Overview: The Infrastructure Design Engineering Automation ...

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 ...

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 ...

Senior Software Engineer

O Fallon, MO ยท On-site

$114.60K - $151.10K/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

$114.60K - $151.10K/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 ...

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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 May 28, 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 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 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 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.

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.

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 May 2026, with employment types broken down into 3% Internship, 69% Full Time, and 28% Contract. Highlights an 97% In-person, and 3% Remote job distribution, with an average salary of $104,863 per year, or $50.4 per hour.
Software Engineer

Software Engineer

MasterCard

O Fallon, MO โ€ข On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post hasย expired today.ย Applications are no longer accepted.


Job description

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

Software Engineer ||

Overview

At Mastercard, our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Mastercard relies on our global workforce to help us achieve our goal of building a sustainable, inclusive global economy. The Mastercard Way encourages us, connects us with the behaviors that represent the essence of not only what we do but who we are as an organization. Cultivating an environment for all employees that respects their strengths, views, and experiences drives a global and collaborative culture of inclusion and a sense of belonging.

About the Role

At Mastercard Corporate Solutions, we empower businesses to succeed through innovative, trusted payment solutions that deliver a seamless, digital-first experience around the world. We're building a global business-to-business (B2B) technology platform to help businesses of all sizes streamline how they manage payments when buying or selling products and services.

The Mastercard Corporate Solutions team is looking for a Software Engineer II to drive our customer experience strategy forward by consistently innovating and problem-solving. The ideal candidate is passionate about the customer experience journey, highly motivated, intellectually curious, and analytical.

Mastercard software engineering teams leverage Agile development principles, advanced development and design practices, and bring an obsession with security, reliability, and performance to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments.

Role

- A hands-on full stack engineer that can code and build high quality secure front end and REST API/backend that is modular, functional, and testable.
- Contribute to all parts of the software's development including design, development, test, deployment, support, documentation, configuration
- Participate in all the scrum ceremonies using Agile methodology.
- Have strong ownership of your team's software and are deep in the maintenance characteristics, runtime properties, dependencies, and build.
- Communicate, collaborate, and work effectively in a team environment.

All About You

- Strong foundation in algorithms, data structures, and core computer science concepts.
- Evidence of working with object-oriented development and design patterns.
- Full stack developer with ability to write secure code in backend & frontend programming languages (Java, JavaScript, Angular, SQL) and familiar with secure coding standards
and vulnerability management
- Good knowledge of Spring, Spring Data JPA, REST and other frameworks.
- Understands and builds test code at unit level, service level, and integration level to ensure code and functional coverage (e.g. JUnit, Mockito, Jasmine etc)
- Strong written and verbal communication skills.
- Strong analytical and excellent problem-solving skills
- Self Starter, Proactive and Passionate about continuous improvement and delivering results
- Thrives in an environment that is fast-paced and customer-oriented
- Working knowledge of an Agile environment.
- Bachelor's degree in computer science, Software Engineering, or a related field preferred

(This role operates in a hybrid capacity to come onsite 3x week in our O'Fallon location)

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: $92,000 - $147,000 USD