Jobs in the United States

25+ jobs

Save this search

Added 3 mins ago
Software Engineer II
Mastercard
O Fallon, MO
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…
Added 11 mins ago
Associate Radio Frequency Engineer
Leonardo DRS, Inc.
Frederick, MD
Support the program design to cost and design for manufacture requirements
Added 11 mins ago
PC
Electrical Engineer II
PAE CONSULTING ENGINEERS INC
San Francisco, CA
- $96,800 to $118,200 USD / year
PAE is seeking a proactive and detail-oriented Electrical Engineer II to join our team in a hybrid work environment in our San Francisco office. This role is designed for an engineer with a…
Added 40 mins ago
Sourcing Specialist II
Rocket Lab Corporation
Long Beach, CA
Ensure on-time delivery of critical materials to meet program schedules and production milestones.
Added 56 mins ago
FE
AI Engineer II
Federal Express Corporation
Memphis, TN · Coraopolis, PA · Plano, TX
- $11,410.38 USD / month
The AI Engineer is responsible for designing, developing, deploying, and maintaining artificial intelligence and machine learning solutions that support intelligent automation, predictive…
Added 1 hour ago
Quality Engineer II - Validation
Baxter Healthcare Corporation
Round Lake, IL
Professional certifications such as ASQ Certified Quality Engineer (CQE), Certified Software Quality Engineer (CSQE), Certified Quality Auditor (CQA), or similar credentials.
Added 1 hour ago
Building Engineer II
C&W FACILITY SERVICES INC.
CO
…desire to grow professionally within a structured development program. This position offers a defined pathway to promotion into a Building Engineer III (Senior Building Engineer) role…
Added 1 hour ago
IS
Cybersecurity Engineer III
INFORMATION SYSTEMS SOLUTIONS, INC
San Diego, CA
- $170,000 to $180,000 USD / year
Information Systems Solutions (ISS) is seeking a Cybersecurity Engineer III to support the NIWC PAC Information Technology Management Support Services contract. The Cybersecurity Engineer…
Added 1 hour ago
Electrical Integration and Test Engineer II
Voyager Technologies, Inc.
Pittsburgh, PA
The Electrical Integration & Test Engineer for Voyager Lunar Systems is responsible for test operations, ownership of test electrical systems, and development of integration and test…
Added 1 hour ago
W
(USA) Software Engineer II, Information Security
Walmart
BENTONVILLE, AR
- $80,000 to $155,000 USD / year
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to…
Added 1 hour ago
Manufacturing Electrical Engineer
SEDAA
Plano, TX
Job title - Manufacturing Electrical Engineer
Added 1 hour ago
A
Quality Engineer
Actalent
Eden Prairie, MN
- $43 to $52 USD / hour
Job Title: Lead Quality EngineerJob DescriptionThe Lead Quality Engineer will oversee day-to-day quality systems for a Class II medical device within a small, collaborative team in the Twin…
Added 1 hour ago
MP
Electrical Engineer II
MESA POWER SOLUTIONS LLC
Evansville, WY
- $96,000 to $106,000 USD / year
…responsible power systems to industrial markets nationwide. We engineer and build advanced, sound-attenuated, temperature-controlled generator sets designed to perform in the toughest…
Added 2 hours ago
Systems Engineer II
RTX
United States
…environments? Raytheon is seeking a talented and motivated Systems Engineer II to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting the LTAMDS…
Added 2 hours ago
Scrum Master –Software Engineer II
RTX
United States
…Raytheon is looking for a Software Scrum Master (SM) – Software Engineer II for the AN/TPY-2 radar program Orcas agile software team. The Orcas team provides subject matter expertise for…
Added 2 hours ago
Software Engineer II - AVI MIL FMS (Onsite)
RTX
United States
Collins Aerospace is currently seeking qualified candidates for Software Engineer II roles in our Military Avionics Flight Management department located in Cedar Rapids, Iowa. Teams are…
Added 2 hours ago
Software Engineer II - DevOps / Infrastructure (Onsite)
RTX
United States
Take ownership of the program’s CI/CD pipeline, optimizing code integration and delivery of the simulation environment.
Added 2 hours ago
Software Engineer II - Test Solutions Center
RTX
United States
The Software Engineer II - Test Solutions Center position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to…
Added 2 hours ago
Cloud Infrastructure & Core Services DevOps Engineer
Booz Allen Hamilton_United States
North Charleston, SC · Washington, DC
Everyone is trying to “harness the cloud,” but not everyone knows how. As a DevOps engineer, you’re eager to build, manage, and secure a container platform that meets your client’s needs…
Added 2 hours ago
Cross Domain Network Engineer, Lead
Booz Allen Hamilton_United States
Washington, DC · McLean, VA · Reston, VA
Cross Domain Network Engineer, LeadThe Opportunity:
Added 2 hours ago
DevOps Engineer
Booz Allen Hamilton_United States
Beavercreek, OH
As a DevOps engineer, you know how to set up cloud environments and provision computer networking, storage, and virtual networks - ultimately, how to “harness the cloud.” We’re looking for…
Added 2 hours ago
CS
Cloud Engineer II (Full Time) - United States
Cisco Systems, Inc.
Milpitas, CA
- Full-time
Added 2 hours ago
Software Engineer II
US: Mastercard Technologies, LLC
O'Fallon, MO
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…
Added 2 hours ago
Applications Engineer II
Fenner Precision Polymers
Lititz, PA
Added 2 hours ago
Field Engineer I
Sundt
Salt Lake City, UT
Assists the Project Engineer with being the technical source of information for the project. Responds to questions about drawings, specifications, shop drawings, and change orders and have…

US: Mastercard Technologies, LLC

Software Engineer II

O'Fallon, MO, United States

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

Apply About employer

Applications open in a new tab.

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

Apply About employer

Report this job