Jobs in the United States

25+ jobs

Save this search

Added 1 min ago
Senior Process Integration Engineer
Samsung Austin Semiconductor, LLC.
Austin, TX
Identify trends, devise innovative mitigation strategies, and resolve complex yield and defect challenges by leveraging high‑volume production data
Added 1 min ago
AI/ML Computational Science Associate Manager
Accenture LLP Company
United States
Minimum of 4 years of experience as a machine learning engineer or scientist, deploying models in production at scale , including monitoring, alerting, automatic bug filing and auditing.
Added 1 min ago
G
Quality Engineer
GPAC
Danbury, CT
- $85,000 to $125,000 USD / year
Apply quality engineering initiatives from concept through production to ensure robust design, efficient processes, and consistent product performance. Ensure product and process quality by…
Added 1 min ago
G
Quality Engineer
GPAC
Bristol, CT
- $85,000 to $125,000 USD / year
Apply quality engineering initiatives from concept through production to ensure robust design, efficient processes, and consistent product performance. Ensure product and process quality by…
Added 1 min ago
G
Quality Engineer
GPAC
New Haven, CT
- $85,000 to $125,000 USD / year
Apply quality engineering initiatives from concept through production to ensure robust design, efficient processes, and consistent product performance. Ensure product and process quality by…
Added 1 min ago
G
Quality Engineer
GPAC
Middletown, CT
- $85,000 to $125,000 USD / year
Apply quality engineering initiatives from concept through production to ensure robust design, efficient processes, and consistent product performance. Ensure product and process quality by…
Added 1 min ago
G
Quality Engineer
GPAC
Hartford, CT
- $85,000 to $125,000 USD / year
Apply quality engineering initiatives from concept through production to ensure robust design, efficient processes, and consistent product performance. Ensure product and process quality by…
Added 3 mins ago
Principal Identity Security Engineer - Privileged Access Management (PAM)
Boston Scientific
Arden Hills
We are seeking a Principal Identity Security Engineer specializing in Privileged Access Management (PAM) to provide advanced technical leadership in the architecture, engineering, security…
Added 4 mins ago
I
IT Systems Engineer
Icarus
El Segundo, CA
- $120,000 to $160,000 USD / year
As an IT Systems Engineer, you will own internal IT from the laptop on a new hire's desk to the systems that keep our factory connected. This is a hands-on individual contributor role with…
Added 5 mins ago
Forward Deployed Solution Engineer – Applied AI FDE
ServiceNow
Remote, United States
As a Forward Deployed Software Engineer (FDSE), you act as the CTO of the build - owning everything from backend services to LLM pipelines and front-end integrations. You partner with…
Added 5 mins ago
PI
Senior Principal AI Research Engineer
Pfizer Inc
WA · CA · MA · CT · NY
- $139,100 to $231,900 USD / year
You'll own critical AI capabilities from architecture through production deployment. Rather than contributing to isolated components, you'll lead the design and delivery of end-to-end…
Added 5 mins ago
PI
Senior AI Research Engineer
Pfizer Inc
WA · CA · MA · CT · NY
- $106,000 to $176,600 USD / year
You'll own critical AI capabilities from architecture through production deployment. Rather than contributing to isolated components, you'll lead the design and delivery of end-to-end…
Added 8 mins ago
Product Design Engineer - iPhone
Apple
Cupertino, CA
We are looking to add a product design engineer to the team. Day to day job responsibilities include the design of tight tolerance components for prototype systems, development of test…
Added 9 mins ago
Supplier Development Engineer
Quantum Space
Tulsa, OK · Broken Arrow, OK
We are seeking a skilled and motivated Supplier Development Engineer to support the Ranger spacecraft program by ensuring the technical capability, quality, and performance of suppliers…
Added 9 mins ago
Manufacturing Engineer (Welding)
Quantum Space
Tulsa, OK · Broken Arrow, OK
We are seeking a skilled and technically driven Manufacturing Engineer (Welding) to lead the development, qualification, and implementation of welding processes for our Ranger spacecraft…
Added 10 mins ago
Field Quality Engineer
Johnson Electric North America, Inc.
Plymouth, MI
Join Our Team as a Field Quality Engineer at Johnson Electric!
Added 10 mins ago
Test Engineer
Stryker Employment Company, LLC
Redmond, WA
Join Stryker as a Test Engineer supporting the manufacturing of defibrillator products and accessories. In this role, you’ll develop and maintain automated test systems and software used in…
Added 13 mins ago
SA
2027 Summer Intern - Supplier Development Engineer - 6463
Shield AI
Dallas, TX
- $35 to $45 USD / hour
We are seeking a highly skilled and motivated Supplier Development Engineer to join Shield AI, focusing on machined parts. The ideal candidate will have a strong background in supplier…
Added 13 mins ago
WD
Lead Software Engineer
Walt Disney Attractions Technology LLC
Lake Buena Vista, FL
- $148,300 to $198,800 USD / year
The Lead Software Engineer will report to the Manager, Software Engineering.
Added 13 mins ago
TT
Senior Forward Deployed Engineer, Operate
True Talent Solutions Partners
New York, NY
- $170,000 to $205,000 USD / year
Join a healthtech team delivering production AI agent systems for healthcare and life sciences organizations. You will own technical delivery from early client discussions through…
Added 14 mins ago
AP
Senior Mechanical Engineer
Acorn Product Development, Inc.
Remote, United States
- $130,000 to $175,000 USD / year
Acorn is looking for a Mechanical Engineer/Project Manager who provides both business and technical management of internal Acorn and external partner teams. This position is a hands-on…
Added 14 mins ago
AP
Mechanical Engineer
Acorn Product Development, Inc.
Remote, United States
- $110,000 to $130,000 USD / year
Working at Acorn is an engineer’s dream. You will learn more, grow faster, work with an excellent team and be appreciated for your contributions.If our requirements fit your background, we…
Added 16 mins ago
AI Engineer 4 (AI Foundations: World Model, RL, Causal Inference, Sequential Data)
Capital One
McLean, VA · Cambridge, MA · San Jose, CA · NY
Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems.
Added 16 mins ago
AI Engineer 5 (AI Foundations: Evaluations and Agentic Workflows)
Capital One
McLean, VA · San Francisco, CA · Cambridge, MA · San Jose, CA · NY
Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance - scalability, cost, latency, throughput - of large scale production AI systems.
Added 16 mins ago
Director, Full-Stack Engineer - AML (Anti Money Laundering)
Capital One
NY · McLean, VA · Cambridge, MA
As a Director, Full-stack Engineer at Capital One, you will lead high-performing engineering teams working to define the future of banking in the cloud. You will partner closely with…

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.

Find open jobs More jobs with this employer

About employer

Job details

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

Similar jobs hiring now

No close matches right now. Try another title or a wider area.

Search current openings

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

Report this job