Jobs in the United States

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Added 13 mins ago
Sr. Electrical Engineer
Hargrove and Associates, Inc
Greenville, SC
Advising the senior engineer concerning design or scope changes, which have been identified.
Added 14 mins ago
Senior Electrical Project Engineer (Contract)
Actalent
Knoxville, TN
…sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that…
Added 14 mins ago
Senior Software Engineer
Humana
Nashville, TN
The Senior Software Engineer leads the design, optimization, and modernization of critical HIT solutions supporting eHub and related business teams. This role improves system reliability,…
Added 14 mins ago
EG
Quality Assurance Engineer - PHP
Eliassen Group
Nashville, TN
- $40 to $50 USD / hour
Our client seeks a results-driven Senior Quality Assurance Engineer to support Policyholder Portal applications. The role requires manual, automation, mobile, API, and database testing…
Added 16 mins ago
CO
Stationary Engineer
County of Contra Costa
Martinez, CA
- $46.38 to $56.37 USD / hour
Graveyard and Swing Shift Positions - Stationary Engineer
Added 16 mins ago
Project Engineer - Orlando, FL
Military Spouse Jobs & VetJobs
United States
The Project Engineer (PE) is responsible for all on-site project administration and for management of the office engineers and jobsite administrator. The PE has direct responsibility for…
Added 21 mins ago
GP
Software Engineer - Full Stack
Global Payment Holdi
Denver, CO
- $91,900 to $130,000 USD / year
Make your mark at one of the biggest names in payments. We're looking for a Software Engineer to join our ever-evolving Portal team and help shape the future of global commerce
Added 21 mins ago
TC
Electrical Engineer III
The Cannon Corporation
Denver, CO
- $40,123 USD / year
You will be a member of our multi-disciplinary team and will work under the direction of a senior engineer. Projects may include new construction and renovation in educational, healthcare,…
Added 21 mins ago
TC
Project Mechanical Engineer IV
The Cannon Corporation
Denver, CO
- $40,123 USD / year
Experience in computer applications for engineering design programs (i.e. Revit, Trane Trace or Trane 3D Plus) required.
Added 21 mins ago
TC
Electrical III
The Cannon Corporation
Denver, CO
- $40,123 USD / year
You will be a member of our multi-disciplinary team and will work under the direction of a licensed engineer. Projects may include new construction and renovation in educational,…
Added 21 mins ago
TC
Mechanical III
The Cannon Corporation
Denver, CO
- $40,123 USD / year
You will be a member of our multi-disciplinary team and will work under the direction of a licensed engineer. Projects may include new construction and renovation in educational,…
Added 21 mins ago
TC
Project Electrical Engineer V
The Cannon Corporation
Denver, CO
- $40,123 USD / year
Experience in computer applications for engineering design programs (i.e. Revit, AGI32, Visual, SKM Power Tools) required.
Added 24 mins ago
Principal Reverse Engineering/Vulnerability Research Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Reverse Engineering/Vulnerability Research…
Added 29 mins ago
EG
Quality Assurance Engineer - PHP
Eliassen Group
Lincoln, NE
- $40 to $50 USD / hour
Our client seeks a results-driven Senior Quality Assurance Engineer to support Policyholder Portal applications. The role requires manual, automation, mobile, API, and database testing…
Added 32 mins ago
Applications Engineer - Niles Area
The Pivot Group Network
Niles · Niles, MI
Are you a dynamic leader with a passion for excelling as a applications engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is dedicated to building…
Added 34 mins ago
Process Engineer
Essity
Dover, DE
…applicable law. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, gender, sex, age, religion, creed, national origin,…
Added 34 mins ago
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Sales Engineer
Winn-Marion Companies
Clarksburg, WV
- $100,000 to $250,000 USD / year
Sales Engineer (Pittsburgh, PA) Pay Range: $100,000 - $250,000 per year, Base Plus Commission Expiration Date of Job Posting: Continuous
Added 34 mins ago
EG
Quality Assurance Engineer - PHP
Eliassen Group
Charleston, WV
- $40 to $50 USD / hour
Our client seeks a results-driven Senior Quality Assurance Engineer to support Policyholder Portal applications. The role requires manual, automation, mobile, API, and database testing…
Added 36 mins ago
Applications Engineer - Burton Area
The Pivot Group Network
Burton · Burton, MI
Are you a forward-thinking professional with a passion for excelling as a applications engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is committed to…
Added 36 mins ago
Laser Weld Engineer - Cheboygan Area
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Are you a dynamic leader with a passion for excelling as a laser weld engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is dedicated to building…
Added 41 mins ago
Applications Engineer - Coldwater Area
The Pivot Group Network
Coldwater · Coldwater, MI
Are you ready to take on a challenging and rewarding opportunity in applications engineer? The Pivot Group Network, a Michigan manufacturing-focused recruiting group, is committed to…
Added 41 mins ago
Field Service Engineer 1
GE HealthCare
Remote, United States
The Field Engineer I performs on time and accurate Preventative Maintenance in one or more modalities of equipment. The FE1 is aware of and follows all Field Modification Instructions…
Added 41 mins ago
Sr. Building Engineer - (Plumbing)
CBRE
Lebanon, IN
Join CBRE as a Senior Building Engineer and bring your plumbing expertise to a critical facilities team supporting a leading pharmaceutical client. In this hands-on role, you’ll help ensure…
Added 41 mins ago
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Seasonal and Regular Commission Sales - Fashion Mall at Keystone
Nordstrom
Indianapolis, IN
- $13.1 USD / hour
Added 41 mins ago
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Database Developer
TEKsystems
Indianapolis, IN
- $40 to $60 USD / hour
Job Title: Database Developer (Software Engineer I) Summary: Works closely with the IHIE Developers, Product Owners, Support/Integration Teams, and partners to design solutions for data…

US: Mastercard Technologies, LLC

Software Engineer II

O'Fallon, MO, United States

Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD

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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

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