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Technical Architect Senior
Jobgether
Remote, United States
- $201,950 USD / year
At least 5 years of professional experience as an Information Systems Architect, Technical Architect, Software Engineer, Enterprise Systems Architect, or in a closely related position.
Added 1 min ago
UA
ELECTRONICS ENGINEER
U.S. Army Aviation and Missile Command
Letterkenny Army Depot, PA
- $102,415 to $133,142 USD / year
Review of maintenance operations, engineering support requests, and Command directives to optimize Depot operating efficiency. | Design change for computerized, automated test equipment…
Added 1 min ago
OS
Recent Graduate - Safety and Occupational Health Specialist
Occupational Safety and Health Administration
Madison, WI · Arlington Heights, IL · Eau Claire, WI · Peoria, IL · Milwaukee, WI · Toledo, OH · Independence, OH · Springdale, OH
- $50,460 to $89,703 USD / year
Assists in the documentation of conducted portions of investigations to help support a legally sufficient case. Takes photographs and videos of apparent violations of occupational safety…
Added 2 mins ago
Senior Technical Program Manager
Furientis
Los Angeles, CA
Experience as an engineer on complex hardware systems, especially missile, launch vehicle, spacecraft, or other aerospace and defense systems
Added 2 mins ago
Head of Programs
Furientis
Los Angeles, CA
Experience as an engineer on complex hardware systems, especially missile, launch vehicle, spacecraft, or other aerospace and defense systems
Added 3 mins ago
Planner II
Lumen
Pierre, SD
Planning Engineer II is a remote-based full-time position, individual contributor who is part of the Local/ILEC Edge Planning team in Lumen’s North American Operations group.
Added 3 mins ago
AT
Network Infrastructure Engineer II
Akamai Technologies, Inc.
Pierre, SD
- $83,200 to $149,800 USD / year
As a Network Infrastructure Engineer II, you will oversee operations in our global data centers. You will monitor and maintain our data centers, networks, and servers worldwide. You will…
Added 3 mins ago
Mainframe Technical Engineer
Highmark Health
Pierre, SD
…COUPLING FACILITY technical ecosystem including infrastructure, systems, networks, applications, integrations, etc. They will work closely with other technical professionals, analysts, and…
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Software Engineer II
Amentum
Pierre, SD
The Software Engineer II will perform full stack development with C# program, ReactJS, MVC, Linq, and rest API development in NET Core platform. This position is US remote teleworking…
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Advanced Lead Supplier Quality Engineer - Composites
GE Aerospace
Pierre, SD
The Supplier Quality Engineer for Polymer Matrix Composites is an individual who can apply knowledge of RCCA and/or problem solving to lead supplier quality improvement of complex cross…
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Account Executive (Central)
Verint Systems, Inc.
Pierre, SD
…Pre-Sales, Channels, Sales Operations, Product House, and Customer Support to name a…
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Workday Adaptive Planning Engineer
Eliassen Group
Pierre, SD
- $65 to $75 USD / hour
Our client is seeking a Workday Adaptive Planning Engineer to design, build, and maintain financial planning and forecasting solutions. The role partners with FP&A, Accounting, and Finance…
Added 4 mins ago
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Civil Engineer (Structural) - DIRECT HIRE
Federal Highway Administration
Bismarck, ND
- $89,508 to $138,370 USD / year
The ideal candidate is a mid-career engineer with experience monitoring Federally funded Structural Engineering programs and/or delivering Engineering projects from initial scoping through…
Added 5 mins ago
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Embedded Software Test Automation Engineer
Cintal, Inc.
Chillicothe, IL
- $90,000 to $110,000 USD / year
Develop and validate embedded software for engine control systems.
Added 7 mins ago
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MECHANICAL ENGINEER
United States Fleet Forces Command
Naval Shipyard, Portsmouth, VA
- $90,838 to $118,092 USD / year
You will serve as a MECHANICAL ENGINEER in the Propulsion Machinery Branch (266), Engineering Division, Engineering and Planning Department, of NORFOLK NAVAL SHIPYARD.
Added 7 mins ago
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GENERAL ENGINEER
Air Combat Command
Shaw AFB, SC
- $89,508 to $116,362 USD / year
The primary purpose of this position is to serve as a professional general engineer, performing design, project programming, construction management/monitoring duties and improvement…
Added 10 mins ago
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INTERDISCIPLINARY ENGINEER
Naval Air Systems Command
San Diego, CA · Patuxent River, MD
- $143,913 to $197,200 USD / year
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Added 11 mins ago
Senior Full Stack Java Engineer - Workforce Management (WFM)
Miratech
Remote, United States
…brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we…
Added 11 mins ago
Senior Full Stack Java Engineer - Workforce Management (WFM)
Miratech
Remote, United States
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High-Speed Signal Integrity Engineer
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Added 24 mins ago
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Cybersecurity Engineer
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Colorado Springs, CO
- $30 to $50 USD / hour
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Senior Lead Engineer - Design Verification
Altera Corporation
San Jose, CA
Altera is seeking a Senior Lead Engineer - Design Verification to provide hands-on technical leadership for the verification of next-generation FPGA, programmable SoC, and platform…
Added 29 mins ago
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Software Engineer – Distributed Systems
Alluxio
Foster City, CA
- $230,000 to $330,000 USD / year
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Added 30 mins ago
E T Consultant
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As a unit within the Finance ITS, ITSFE provides IT applications to support VPUs engaged in Trust Fund management, donor fund oversight, project execution, and transfer of funds activities…

US: Mastercard Technologies, LLC

Senior Software Engineer

O'Fallon, MO, United States

Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD

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Job details

Pay: Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 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

Senior Software Engineer

About the Role

The Mastercard Operational Intelligence Program is engaged in developing innovative solutions through technology that keeps Mastercard positioned as a leader in delivering value-added business analytics and reporting solutions to our diverse customer base. 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 seeking a Senior Software Engineer to join the Mastercard Operational Reports NexGen development team to work on Enterprise Applications to deliver technical solutions using JAVA technology stacks and Angular/ React front-end technologies. The successful candidate will contribute to software architecture, performance engineering, secure software development, operational excellence, and continuous improvement initiatives while delivering highly available, resilient, and secure enterprise applications.

Role

Participate in the gathering and analysis of business requirements and translate them into scalable, maintainable, and secure software solutions.
Support the technical lead in defining application architecture, software design patterns, component interactions, and technology standards.
Ensure software designs align with Mastercard Enterprise Architecture and leverage enterprise services and reusable platforms.
Ensure product development meets Mastercard's business, scalability, performance, security, and reliability requirements.
Ensure development teams utilize appropriate Mastercard development methodologies, engineering standards, and documentation practices.
Conduct and participate in code reviews to improve code quality, maintainability, security, consistency, and adherence to software engineering best practices.
Provide functional guidance, knowledge sharing, and technical recommendations to team members when appropriate.
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, reliability, and performance.
Support continuous integration and continuous testing practices to improve software quality and release confidence.
Ensure that software and system design support the goal of zero downtime, high availability, resiliency, and operational excellence in production environments.
Respond to operational and business concerns or issues relative to business programs, projects, and platform enhancements to ensure consistent delivery of quality services.
Investigate and resolve complex production, application, integration, and infrastructure issues through structured troubleshooting, root cause analysis, and corrective action planning.
Ensure development supports all required certifications and compliance 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, assess, and remediate application security vulnerabilities while ensuring alignment with Mastercard security standards and industry best practices.
Responsible for performance engineering of enterprise software architecture through monitoring, analysis, optimization, and scalability improvements across applications, APIs, databases, and cloud services.
Apply advanced data structures, algorithms, and software engineering principles to solve complex technical challenges and optimize system performance and resource utilization.
Responsible for designing, developing, testing, delivering, monitoring, and maintaining scalable, resilient, and secure cloud architectures using AWS services and cloud-native technologies such as EC2, ECS, and S3.
Design solutions with operational readiness in mind, incorporating observability, logging, monitoring, alerting, supportability, reliability, and maintainability best practices.
Improve and expand the existing platform by ensuring that it remains resilient, secure, scalable, highly available, and operationally efficient.
Work closely with business partners on product definition, product roadmaps, business case development, and overall technology direction for the team.

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 capable of functioning under pressure in an independent environment with a high degree of initiative and self-motivation.
Strong interpersonal and relationship-building skills with a proven track record of successful collaboration across teams.
Excellent communication skills required to interact across multiple organizational levels and partner effectively with internal and external stakeholders.
Strong understanding of data structures, algorithms, object-oriented design principles, and scalable application development techniques.
Experience designing scalable, secure, maintainable, and high-performing enterprise software solutions.
Experience conducting code reviews and applying engineering best practices that improve software quality, maintainability, and security.
Experience developing unit, functional, integration, and automated testing solutions within enterprise applications.
Experience identifying application bottlenecks and implementing performance optimization strategies 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 non-relational database technologies including Oracle, SQL Server, MySQL, PostgreSQL, NoSQL, MongoDB, or similar technologies
Strong troubleshooting and root cause analysis skills with experience supporting critical business applications in production environments.
Experience in the following is a 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 with development tools including Maven, Gradle, Jenkins, Chef, SonarQube, and related DevOps toolsets.
Experience working within Agile and Waterfall delivery methodologies.
Prior experience in cloud-native application development and AWS cloud services.
Strong understanding of observability, monitoring, operational readiness, and reliability engineering concepts.
Excellent knowledge of data engineering concepts and preferred experience working with DCP, Databricks, AWS, and large-scale enterprise data platforms.
Bachelor's degree in information systems, Information Technology, Computer Science, Engineering, or equivalent 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: $115,000 - $184,000 USD

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