Jobs in the United States

25+ jobs

Save this search

Added 1 min ago
F-15 Mission Systems Software Engineer (Associate, Experienced, & Senior)
The Boeing Company
Berkeley, MO
The Boeing Company is looking for a Software Engineer (Associate, Experienced, & Senior) to join the F-15 Mission System Software Development Team located in Berkeley, MO. This position…
Added 14 mins ago
Senior Staff Software Engineer, Android & IoT
Jobgether
Remote, United States
…all applications and next steps. Our partner is looking for a Senior Staff Software Engineer, Android & IoT based in the United…
Added 14 mins ago
DA
Supervisory IT Specialist
Deputy Assistant Secretary for Information and Technology
Location Negotiable After Selection
- $147,945 to $192,331 USD / year
Serves as a senior-level digital services expert; oversees product lines and programs, makes decisions on work problems and administrative proposals, and is the VA's approval authority for…
Added 22 mins ago
EE
IT Specialist (Systems Analysis/Applications Software)
Equal Employment Opportunity Commission
Washington, DC
- $143,913 to $187,093 USD / year
As an IT Specialist (Systems Analysis/Applications Software) at the GS-2210-14, you will be part of the Mission Applications Management Division (MAMD), Office of the Chief Information…
Added 33 mins ago
Manufacturing Engineer 3 - 31037
Huntington Ingalls Industries
Pocasset, MA
Senior Manufacturing Engineer – Unmanned Underwater Vehicles (UUVs)
Added 34 mins ago
Senior Software Engineer
EPAM Systems
Boston, MA
We are looking for engineers who are passionate about developer productivity, command-line tooling, software distribution, observability, and telemetry. You should be equally comfortable…
Added 34 mins ago
Electro Acoustic Engineer
Massa Products Corporation
Hingham, MA
Knowledge of Solidworks, MATLAB, COMSOL/FEA Programs, and other simulation software is a must for a senior-level position and a plus for a BS-level position.
Added 1 hour ago
Senior AI/ML Engineer - LLM & Agent Stack (Customer Facing)
TrueFoundry
NY · San Mateo, CA
We are looking for a Senior AI/ML Engineer - LLM & Agent Stack (Customer-Facing) to join the team.
Added 1 hour ago
Cloud Solution Engineer (Genomics & AI)
Oracle
Jefferson City, MO
The opportunity Oracle is seeking a senior pre-sales engineer with expertise in genomics, software engineering, and applied AI/ML. You will help molecular diagnostics companies, genomics…
Added 2 hours ago
SC
Principal Consultant
Softchoice Corporati
Denver, CO
- $158,720 to $198,400 USD / year
…outcomes. We do this through the delivery of secure cloud, AI, software and digital workplace solutions that enable agility, innovation and…
Added 2 hours ago
SC
Principal Consultant
Softchoice Corporati
Denver, CO
- $158,720 to $198,400 USD / year
…outcomes. We do this through the delivery of secure cloud, AI, software and digital workplace solutions that enable agility, innovation and…
Added 2 hours ago
Senior Software Engineer, Discover Feed Recommendations
Google
Mountain View, CA
Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to…
Added 2 hours ago
CC
Senior Applications Security Engineer, AI & Automation Development
Centene Corporation
Jefferson City, MO
- $87,000 to $161,300 USD / year
Position Purpose: Builds, secures, and supports the automation, AI, and development capabilities used across Security Defense Technologies (SDT). This engineer will join the Defense…
Added 2 hours ago
CO
IT Technical Manager
City of Minneapolis
Minneapolis, MN
- $131,192 to $178,470 USD / year
…evaluating their potential impact, and making recommendations to the senior leadership…
Added 2 hours ago
A
Senior Cloud & Application Security Engineer
AXON-Networks
Irvine, CA
- $150,000 to $220,000 USD / year
The Senior Cloud & Application Security Engineer is the primary hands-on technical security engineer within AXON's Information Security organization.
Added 2 hours ago
HH
Senior Software Engineer, App Enablement
Hinge Health
San Francisco, CA
- $158,000 to $217,000 USD / year
As a Senior Software Engineer on App Enablement, you’ll contribute across mobile release operations and platform engineering, with your focus shifting between them as team priorities…
Added 2 hours ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
As a Senior Software Engineer, you will design and ship core components of the agentic sales platform that field sellers and partner teams rely on daily. You own features end to end, from…
Added 2 hours ago
M
Software Engineer II & Senior Software Engineer - CoreAI Speech Team
Microsoft
WA · Redmond, WA · Redmond
- $102,100 to $202,200 USD / year
We are hiring an experienced Software Engineer II and a Senior Software Engineer to join our team! As a Software Engineer within the Microsoft CoreAI Speech Team, you will help design,…
Added 2 hours ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
We are looking for a Senior Software Engineer to join our team!
Added 2 hours ago
M
Senior Security Researcher
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
Do you enjoy the challenge of discovering and analyzing vulnerabilities in software and services to understand how they work and how to fix them? Are you excited by the idea of analyzing…
Added 2 hours ago
M
Senior Hardware Engineer
Microsoft
WA · CA · OR · Redmond, WA · Mountain View, CA · Hillsboro, OR · Redmond · Mountain View · Hillsboro
- $119,800 to $261,000 USD / year
The SPPO (SCHIE Product and Procurement Optimization) team is seeking a Senior Hardware Engineer, Technical Program Manager to drive complex hardware initiatives. This role requires a…
Added 3 hours ago
Agile Product Owner
Trinzic
Beavercreek Township, OH
…and advancing some of the world's highest-priority national security and space…
Added 3 hours ago
Senior Staff / Senior DevSecOps Engineer (Clearance Required)
Scitec, Inc.
Fairborn, OH
Key Responsibilities - Design, maintain, and improve CI pipelines (GitLab CI) for secure software builds and deployments - Orchestrate automated deployments across development, test, and…
Added 3 hours ago
Senior Mainframe z/OS Engineer (Remote/ Work from Home)
First National Bank of Omaha
Darbydale, OH
…while keeping cost containment top-of-mind. With an elevated security posture consisting of layered security solutions, FNTS specializes in partnering with customers in highly regulated and…
Added 3 hours ago
Senior IS Systems Administrator
Modern Technology Solutions, Inc.
Dayton, OH
The Senior Systems Administrator develops and maintains all systems, applications, security and network configurations.Responsible for installing new software releases, system upgrades,…

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