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Added 1 min ago
TT
Founding Forward Deployed Engineer
True Talent Solutions Partners
New York, NY
- $180,000 to $250,000 USD / year
…will lead technical deployments from data discovery through production workflows, turning customer data and business knowledge into reliable systems that support revenue…
Added 4 mins ago
IB
Petroleum Engineer
Interior, Bureau of Indian Affairs
Lakewood, CO
- $118,675 to $154,280 USD / year
As Petroleum Engineer, GS-0881, your typical work assignments may include, but not limited to:
Added 8 mins ago
O
Principal Backend Developer - Clinical Applications
Oracle
Jefferson City, MO
- $114,600 to $234,600 USD / year
+ Own services and applications throughout the entire development lifecycle, from requirements gathering through deployment and production support.
Added 9 mins ago
AN
TITLE 32 AIRCRAFT MECHANIC WG-8852-12
Army National Guard Units
Williamstown, WV
- $34 to $40 USD / hour
POSITION DUTIES: This position is located in the Logistics function of an ARNG Army Aviation Support Facility (AASF). The AASF provides Aviation Unit Maintenance (AVUM), Aviation…
Added 10 mins ago
G
Controls Engineer
GPAC
East Peoria, IL
- $85,000 to $98,000 USD / year
…to improve equipment performance, increase reliability, and support ongoing automation and continuous improvement initiatives. This role is ideal for an engineer who enjoys working directly…
Added 14 mins ago
Senior Staff Software Engineer, Android & IoT
Jobgether
Remote, United States
This is a senior technical leadership opportunity for an experienced software engineer to shape the architecture and evolution of products that support large-scale connected device…
Added 17 mins ago
BO
General Engineer - Banknote Development, Quality, and Manufacturing
Bureau of Engraving and Printing
Washington, DC · Fort Worth, TX
- $81,186 to $111,087 USD / year
…the Deputy Director - Chief Operating Officer. As a General Engineer - Banknote Development, Quality, and Manufacturing, you will apply mechanical, electrical, industrial engineering or…
Added 19 mins ago
O
Senior Principal Oracle Health Systems Engineer - HIE
Oracle
Jefferson City, MO
- $103,000 to $264,100 USD / year
Seeking a highly experienced Senior Principal Systems Engineer to provide technical leadership in the design, operation, maintenance, optimization, and strategic evolution of Health…
Added 21 mins ago
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Controls Engineer
GPAC
Eureka, IL
- $85,000 to $98,000 USD / year
…to improve equipment performance, increase reliability, and support ongoing automation and continuous improvement initiatives. This role is ideal for an engineer who enjoys working directly…
Added 22 mins ago
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Controls Engineer
GPAC
Terre Haute, IN
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
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Controls Engineer
GPAC
Brazil, IN
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
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Controls Engineer
GPAC
Clinton, IN
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
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Controls Engineer
GPAC
West Terre Haute, IN
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
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Controls Engineer
GPAC
Montezuma, IN
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
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Controls Engineer
GPAC
Paris, IL
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
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Controls Engineer
GPAC
Casey, IL
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
G
Controls Engineer
GPAC
Marshall, IL
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
G
Controls Engineer
GPAC
Martinsville, IL
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
G
Controls Engineer
GPAC
Robinson, IL
- $75,000 to $95,000 USD / year
A growing industrial manufacturer is seeking a hands-on Controls Engineer to lead PLC programming, automation improvements, and electrical troubleshooting across plant equipment and…
Added 22 mins ago
AN
SUPERVISORY FACILITY OPERATIONS SPECIALIST
Air National Guard Units
Camp Murray, WA
- $83,935 to $109,122 USD / year
Responsible for the sustained reliability of Real Property Facilities in support of ANG organizations. Establishes and executes work involving the planning and directing of comprehensive…
Added 23 mins ago
G
Controls Engineer
GPAC
Goodfield, IL
- $85,000 to $98,000 USD / year
…to improve equipment performance, increase reliability, and support ongoing automation and continuous improvement initiatives. This role is ideal for an engineer who enjoys working directly…
Added 30 mins ago
G
Controls Engineer
GPAC
Paris, IL
- $85,000 to $98,000 USD / year
…to improve equipment performance, increase reliability, and support ongoing automation and continuous improvement initiatives. This role is ideal for an engineer who enjoys working directly…
Added 32 mins ago
Lead Transmission Line Engineer - Remote
ICF
Kansas City, MO
We are seeking a Lead Transmission Line Engineer to support and advance our growing transmission engineering practice. In this role, you will provide senior‑level technical expertise, lead…
Added 33 mins ago
JW
Senior Application Engineer-Electrical
Judd Wire Inc.
Turners Falls, MA
- $120,840 USD / year
Senior Application Engineer - Electrical Description Judd Wire Inc., a Sumitomo Electric Group company, is looking for a Senior Application Engineer - Aerospace for our Turners Falls, MA…
Added 33 mins ago
Manufacturing Engineer 3 - 31037
Huntington Ingalls Industries
Pocasset, MA
The Senior Manufacturing Engineer leads the development, implementation, and sustainment of manufacturing processes for Unmanned Underwater Vehicles (UUVs) in a defense contracting…

US: Mastercard Technologies, LLC

Software Engineer II

O'Fallon, MO, United States

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

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Job details

Pay: Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD
Posting language: English
Posted: Nov 4, 2026

Original 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 II

About the Role

The Mastercard Remote Payment Presentment Service (RPPS) Program is engaged in developing innovative solutions to keep Mastercard positioned as a leader in delivering value-added services and seamless customer onboarding. We work collaboratively with our product partners and other technical teams to continuously improve and enhance our existing products and drive new products to the global marketplace.

We are currently hiring a Software Engineer II, and the successful candidate will contribute to the design, development, testing, deployment, and support of enterprise applications while applying software engineering principles to deliver scalable, secure, resilient, and maintainable solutions. This role will collaborate closely with cross-functional teams and contribute to continuous improvement initiatives that enhance application quality, reliability, and operational excellence.

Role

Participate in the gathering and analysis of business requirements and translate them into scalable, maintainable, and secure software solutions.
Participate in application design discussions and contribute to software architecture, design patterns, component interactions, and technology standards under the guidance of senior engineers and technical leads.
Develop solutions that align with Mastercard Enterprise Architecture standards while leveraging enterprise services, frameworks, and reusable platforms.
Contribute to ensuring product development meets Mastercard's business, scalability, performance, security, and reliability requirements.
Follow Mastercard development methodologies, engineering standards, and documentation practices when designing and building software solutions.
Participate in code reviews to improve code quality, maintainability, security, consistency, and adherence to software engineering best practices.
Collaborate with team members, share knowledge, and seek guidance from senior engineers when addressing highly complex technical challenges.
Design, develop, maintain, and support high-quality software solutions using modern software engineering principles and practices.
Design, develop, and maintain unit, functional, integration, and automated tests to validate application functionality, system interactions, quality, and reliability.
Support continuous integration and continuous testing practices to improve software quality and release confidence.
Develop and maintain software solutions that support high availability, resiliency, operational readiness, and reliability objectives.
Respond to operational and business concerns related to applications, projects, and platform enhancements to ensure consistent delivery of quality services.
Investigate and resolve production, application, integration, and infrastructure issues using structured troubleshooting, root cause analysis, and corrective actions, escalating highly complex issues when appropriate.
Support compliance with required certifications and regulatory requirements, including PCI, GLBA, Safe Harbor, and other applicable standards.
Apply secure coding practices, security-by-design principles, and vulnerability prevention techniques throughout the software development lifecycle.
Identify and remediate application security vulnerabilities while ensuring alignment with Mastercard security standards and industry best practices.
Contribute to application performance optimization through monitoring, analysis, tuning, and scalability improvements across applications, APIs, databases, and cloud environments.
Apply data structures, algorithms, and software engineering principles to develop efficient, scalable, and maintainable software solutions.
Develop, test, deploy, monitor, and support cloud-based applications and services using AWS and cloud-native technologies while following established architecture patterns and engineering standards.
Design and build solutions with operational readiness in mind, incorporating observability, logging, monitoring, alerting, supportability, reliability, and maintainability best practices.
Contribute to the continuous improvement and expansion of the platform by helping ensure that solutions remain resilient, secure, scalable, highly available, and operationally efficient.
Collaborate with product owners, business partners, and engineering teams to understand requirements and provide technical input supporting product and platform objectives.

All About You

Strong analytical, troubleshooting, and problem-solving abilities, with the ability to quickly adapt to new technologies, methodologies, and systems.
High-energy, detail-oriented, proactive, and able to function effectively in a fast-paced environment with a high degree of initiative and accountability.
Strong interpersonal and relationship-building skills with a proven ability to collaborate effectively across teams.
Excellent communication skills with the ability to interact across organizational levels and partner effectively with technical and non-technical stakeholders.
Strong understanding of data structures, algorithms, object-oriented design principles, and scalable application development techniques.
Experience developing and enhancing scalable, secure, maintainable, and high-performing enterprise software solutions.
Experience participating in code reviews and applying engineering best practices to improve software quality, maintainability, and security.
Experience developing unit, functional, integration, and automated testing solutions within enterprise applications.
Experience analyzing application performance, identifying bottlenecks, and implementing optimization improvements across applications, databases, and cloud environments.
Experience applying secure coding practices, application security principles, vulnerability remediation techniques, and OWASP-based security standards.
Proficient working with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and relational and non-relational database technologies including Oracle, SQL Server, MySQL, PostgreSQL, NoSQL, MongoDB, or comparable technologies.
Demonstrated troubleshooting and root cause analysis skills supporting business-critical applications in production environments.
Experience in the following is highly preferred:
Web Services (SOAP, RESTful APIs)
Servers (WebSphere, JBoss, Tomcat)
HTML, JavaScript, jQuery
UNIX (Shell, AWK scripting)
XML/XSLT
CSS
C#
React or Angular
IDEs (Microsoft Visual Studio, RAD, Eclipse)
Experience working within Agile and Waterfall delivery methodologies.
Experience developing and supporting cloud-native applications utilizing AWS cloud services.
Understanding observability, monitoring, operational readiness, and reliability engineering concepts.
Bachelor's degree in information systems, Information Technology, Computer Science, Engineering, or equivalent practical experience is preferred.

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.

THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 02/02/2027. If the fill date has passed, Mastercard intends to fill this position as soon as possible.

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

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