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Added 2 mins ago
S
Digital Solutions Delivery Manager
Saint-Gobain
NORTHBORO, MA
- $102,000 to $158,000 USD / year
…years of experience . Preferred fields of study are: Business, Software Engineering, Construction Management, or similarly related…
Added 2 mins ago
Senior Technical Engineering Leader - Guidewire PolicyCenter & Policy Lifecycle
MAPFRE Insurance
Webster, MA
Lead the Future of Insurance Technology – PolicyCenter Engineering Leader
Added 2 mins ago
Contamination Specialist
Celgard, LLC
Charlotte, NC
Create Engineering/Capital request projects to help reduce scrap associated with contamination events.
Added 2 mins ago
Senior Supplier Quality Engineer
Zoll Medical Corporation
Chelmsford, MA
…ZOLL develops and delivers innovative lifesaving products and software solutions to EMS, hospital, public safety, and military customers globally. Our dedicated employees take pride in…
Added 2 mins ago
Senior Manager, Agile Delivery
Pegasystems
Waltham, MA
…the org. You will partner closely with Product Management, Engineering, QA, Project Management, Business Analysis, and business stakeholders to improve delivery effectiveness across teams…
Added 2 mins ago
Solution Architect - Senior Manager - Consulting - Location OPEN
EY
Boston, MA
Strong background in software engineering, with hands-on experience in at least two modern programming languages (e.g., Java, C#, JavaScript/TypeScript), and the ability to review, guide,…
Added 3 mins ago
Director, Drug Product and Process Development
Otsuka America Pharmaceutical Inc.
Boston, MA
Director, Formulation Development is an experienced leader in the development of pharmaceutical products in a virtual environment with extensive technical, strategic and leadership…
Added 3 mins ago
GH
Sales Associate
GN Hearing
Boston, MA
- From $23 USD / hour
…telemedicine. In three years, we went from a scrappy startup to a leader in the direct-to-consumer hearing care space with the backing of our parent company GN, a global pioneer in…
Added 3 mins ago
Group Product Manager, Privacy
Ford Motor Company
Boston, MA
Launched in 2023, Integrated Services creates and markets new customer experiences by integrating hardware, software and services across Ford Blue, Model e and Ford Pro. These products and…
Added 3 mins ago
Postdoctoral Research Fellow - Insco Lab
Dana-Farber Cancer Institute
BOSTON, MA
…oncologist and translational scientist with a background in software engineering. His laboratory develops biologically informed predictive models using statistical and machine-learning…
Added 3 mins ago
Software Engineer II
Amentum
Boston, MA
Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges…
Added 3 mins ago
DBA Claims Administrator
Amentum
Boston, MA
Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges…
Added 3 mins ago
EG
Senior Java Full-Stack Developer
Eliassen Group
Boston, MA
- $70 to $80 USD / hour
Our client is seeking a Senior Java Full-Stack Developer to design, build, and support scalable software solutions across the full application stack. This individual will work as part of a…
Added 4 mins ago
RP
Chief Data & Artificial Intelligence Officer and Vice President
Roswell Park Cancer Institute
United States
- $152,241 USD / year
The CDAIO operates as an advisor to executives and a transformation leader, bridging clinicians, scientists, and operational leaders while overseeing enterprise capabilities spanning:
Added 23 mins ago
Staff Software Engineer, Cloud ML Compute Services
Google
Kirkland, WA
Act as a technical leader within a newly formed team to mentor and grow software engineers, successfully scoping bold, ambiguous problems into tractable projects.
Added 25 mins ago
AE
Managers, Delivery Management
American Express
Phoenix, AZ
- $127,005 to $215,250 USD / year
Plan releases and set product development timelines, liaising with Product Management and Engineering teams. Prioritize release of new products across multiple lines of business. Facilitate…
Added 25 mins ago
AE
Senior Cybersecurity Engineers
American Express
Phoenix, AZ
- $156,894 to $215,250 USD / year
Position requires a Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related STEM field, followed by 5 years of progressively responsible software design,…
Added 25 mins ago
AE
Software Engineers
American Express
Phoenix, AZ
- $113,714 to $174,750 USD / year
American Express Travel Related Services Company, Inc. seeks Software Engineers to serve as a core member of an engineering team to develop digital and automated solutions for our customers.
Added 26 mins ago
Group Product Manager, Privacy
Ford Motor Company
Phoenix, AZ
Launched in 2023, Integrated Services creates and markets new customer experiences by integrating hardware, software and services across Ford Blue, Model e and Ford Pro. These products and…
Added 26 mins ago
EG
Senior Java Full-Stack Developer
Eliassen Group
Phoenix, AZ
- $70 to $80 USD / hour
Our client is seeking a Senior Java Full-Stack Developer to design, build, and support scalable software solutions across the full application stack. This individual will work as part of a…
Added 29 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
The Lead Software Engineer in the Emerging Technology group is a hands-on technical leader who designs, builds, pilots, and scales next-generation software solutions that apply emerging…
Added 29 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
The Lead Software Engineer in the Emerging Technology group is a hands-on technical leader who designs, builds, pilots, and scales next-generation software solutions that apply emerging…
Added 29 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
The Lead Software Engineer in the Emerging Technology group is a hands-on technical leader who designs, builds, pilots, and scales next-generation software solutions that apply emerging…
Added 29 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
The Lead Software Engineer in the Emerging Technology group is a hands-on technical leader who designs, builds, pilots, and scales next-generation software solutions that apply emerging…
Added 50 mins ago
Forensic Electrical Engineer
Rimkus
Indianapolis, IN
Rimkus (www.rimkus.com) is a worldwide leader in engineering and technical consulting. Rimkus experts specialize in building envelopes, engineering, forensic consulting, dispute resolution,…

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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