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Added 2 mins ago
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Senior Platform Software Engineer, AI
Oracle
Nashville, TN
- $92,500 to $209,500 USD / year
We are seeking a Senior Platform Software Engineer to design, build, and operate scalable services that improve the developer experience and increase engineering productivity. You will work…
Added 2 mins ago
Cyber - AI Engineer - Manager - Consulting
EY
Nashville, TN · Chattanooga, TN · Memphis, TN
As a Cyber AI Engineer, you will work with client security and engineering teams to deploy AI workflows for threat investigation, detection engineering, vulnerability analysis, and…
Added 2 mins ago
Senior Controls Integration Engineer, Worldwide Design and Engineering
Amazon
Nashville, TN
WWDE is looking for a Senior Controls Integration Engineer to be part of our global team to deliver the next generation of world-class fulfillment systems. Successful candidates are natural…
Added 2 mins ago
Sr TPM, Fwd Deployed Engineer , Business Innovation and AI
Amazon
Nashville, TN
The Forward Deployed Engineering (FDE) team within Business Innovation & AI (BIA) is looking for a Senior Technical Program Manager who builds. FDE embeds directly with teams across Amazon…
Added 2 mins ago
TPM, Fwd Deployed Engineer, Business Innovation and AI
Amazon
Nashville, TN
…that measurably change how work gets done. Forward Deployed Engineering (FDE) is BIA’s technical execution arm: a small, senior team with high autonomy and a bias for shipping. We embed…
Added 2 mins ago
Quality Engineer, AI & Test Automation
Baylor Scott & White Health
Nashville, TN
· The Quality Engineer, AI & Test Automation reports to the Director of Quality Engineering and helps establish reusable practices that support safe, reliable, efficient, and scalable…
Added 2 mins ago
Senior Agentic AI Software Engineer
Insight Global
Nashville, TN
The Staff Agentic AI Engineer will provide crucial engineering leadership in the application of advanced Generative AI, supporting the revolutionization of healthcare by designing and…
Added 2 mins ago
Frontend Engineer
GN Hearing
Nashville, TN
Help create seamless digital experiences that support people on their hearing journey. As a Frontend Engineer , you will build and evolve customer-facing web experiences for Jabra Enhance,…
Added 2 mins ago
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Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Nashville, TN
- $50,000 to $92,500 USD / year
We are seeking a Senior QA Automation Engineer - Playwright & Selenium to join our Quality Engineering team supporting critical financial applications. The ideal candidate will have strong…
Added 2 mins ago
Senior Financial Planning & Analysis Manager
Cornerstone OnDemand
Nashville, TN
We’re seeking a highly skilled and motivated Senior Financial Planning & Analysis (FP&A) Manager to serve as the finance partner to our Engineering and Product organizations. This critical…
Added 2 mins ago
Core Senior .NET Software Engineer
Evolent
Nashville, TN
The Senior Software Engineer leads the design, development, and deployment of complex software solutions, ensuring scalability and maintainability. This role architects and implements…
Added 7 mins ago
Senior Software Quality Engineer
St. Jude Medical, Cardiology Division, I
CA
…deliver secure, reliable, and compliant software solutions that support patient care and business…
Added 9 mins ago
Sr. System Robotics Test Engineer
Stryker
Fort Lauderdale, FL
We are currently seeking a Senior Systems Test Engineer to join our team in Fort Lauderdale, Florida. In this role, you will support the verification, validation, integration, and testing…
Added 9 mins ago
Senior Quality Engineer
Stryker
Irvine, CA
Stryker is hiring a Senior Quality Engineer for our Peripheral Vascular division in Irvine, CA to provide Quality Engineering support for quality assurance, quality control, and continuous…
Added 9 mins ago
Senior Process Engineer, Advanced Operations
Stryker
Portage, MI · Kalamazoo, MI
…active and more satisfying lives. We are currently seeking a Senior Engineer, Process Development to join our OrthoTech Division. This is an onsite position in Portage,…
Added 32 mins ago
Senior Software Quality Engineer
St. Jude Medical, Cardiology Division, I
CA
…deliver secure, reliable, and compliant software solutions that support patient care and business…
Added 37 mins ago
Senior Resident Solutions Engineer
Axonius Federal Systems LLC
On-site Washington, DC
Axonius Federal Systems is seeking a Senior Resident Solutions Engineer to join our team. This hands‑on individual contributor role focuses on designing, building, and owning high‑quality…
Added 42 mins ago
Senior Data Engineer
Stellix
Foxborough, MA
We are seeking a Senior Data Engineer to join our growing Enterprise Data & Analytics team. Our mission is to empower every team across the organization with timely, trusted, and actionable…
Added 42 mins ago
Principal Automation Engineer
Stellix
Foxborough, MA
Our Professional Services team is a cross-functional organization that delivers capital projects, operational support, and custom solution development for complex manufacturing…
Added 42 mins ago
Supervising Senior Automation Engineer I
Stellix
Foxborough, MA
Professional Services is a cross functional organization responsible for capital project delivery, operational run support and custom solution development and implementation. Professional…
Added 42 mins ago
Senior Automation Engineer (Back-End SCADA)
Stellix
Foxborough, MA
Professional Services is a cross functional organization responsible for capital project delivery, operational run support and custom solution development and implementation. Professional…
Added 42 mins ago
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Senior Engineer
Alignment
San Francisco, CA
- $110,000 to $140,000 USD / year
We're hiring a Senior / Staff-level engineer to focus on building and improving our data processing, automation, and API infrastructure. Depending on your interests, there's room to work on…
Added 44 mins ago
Founding Tech Lead
Incompass
NY · New York, NY
Incompass Labs is looking for a Founding Tech Lead (Lead Software Engineer / Technical Lead / Senior Software Engineer) based in the NYC area to join our growing tech team and help scale a…
Added 44 mins ago
Principal Engineer
Modern Relay
New York City, NY · San Francisco, CA
We’re looking for a Principal Engineer to lead the design and delivery of core platform capabilities across our stack. You’ll operate as a senior technical leader - owning architecture…
Added 45 mins ago
IG
Remote Sr Planning Engineer - Critical Services
Insight Global
Monroe, LA
- $44.1 to $80 USD / hour
The Senior Planning & Implementation Engineer III will serve as a senior technical resource supporting BAU planning and implementation activities across legacy local network infrastructure,…

Closed listing

Mastercard

Senior Software Engineer

O Fallon, MO, United States

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

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD
Posting language: English
Posted: Nov 4, 2026

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Original job description

Archived listing. The details below describe a past opening.

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

About employer

More about this job

Skills

Reporting
React
Software development
Process improvement
Documentation
Engineering principles
CI/CD
Troubleshooting
Root cause analysis
Regulatory compliance
Design principles
Security regulations
AWS
Develop business case
Problem solving
Relationship building
Collaboration
Communication skills
Oracle Java
Oracle
Microsoft SQL Server
MySQL
PostgreSQL
NoSQL
MongoDB
API development
IBM WebSphere
Jboss
Apache Tomcat
HTML
JavaScript
jQuery
UNIX
AWK
CSS
C#
Microsoft Visual Studio
RAD
Apache Maven
Gradle

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