Software Engineer I
$72k - $115kMasterCard
Software Engineer IAI And Decision Product Enablement
Be part of the Shared Services, Fraud Products team developing new capabilities for Mastercard's Decision Management Platform, which serves as the core for multiple business solutions to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per month in tens of milliseconds using a multi-tiered, message-oriented approach for high performance and availability.
• Would you like to develop industry-leading solutions for fighting fraud?
• Are you motivated by speeding business solutions to market?
• Do you want to innovate using modern technologies to solve challenging business problems?
Role
Be part of the Product Operations and Enablement team supporting operations across all 12 decision products in multiple non-production environments.
• Are you interested in helping to build solutions that help recognize and prevent payment fraud?
• Do you consider yourself capable of bridging the gap between technology and business?
Responsibilities
- Provide detailed technical analysis of product or application hardware and software to ensure business and functional requirements can be met.
- Provide subject matter expertise for assigned projects.
- Perform analysis of system requirements and elaborate them into user stories and acceptance criteria in an Agile methodology format.
- Facilitate scoping sessions and lead review sessions of technical requirements and user stories.
- Support software development activities, including designing, building, testing, and maintaining applications using established engineering practices.
- Apply foundational software design and architecture principles to support scalable, maintainable, secure, and performant solutions.
- Support unit, functional, and integration testing to validate application components, expected behaviors, and system quality.
- Assist in identifying and resolving technical issues, performance concerns, and operational readiness gaps using appropriate tools and guidance.
- Follow secure coding practices, code review standards, and operational readiness practices that support observability, reliability, and maintainability.
- Identify dependencies between teams through collaboration.
- Demonstrate curiosity for systems and technical knowledge by continuously analyzing and improving approaches to platform support and delivery.
All About You
The ideal candidate would have the following primary skills and experience:
- Some experience with DevOps processes and hands-on experience with tools such as Jenkins, GitHub, Bitbucket, or similar.
- Foundational understanding of software development, software design, and software architecture concepts.
- Foundational experience or coursework in unit testing, functional testing, integration testing, secure coding practices, code reviews, troubleshooting, and performance awareness.
- Ability to organize, manage, and apply data structures effectively to support application performance and efficient data access.
- High-energy, detail-oriented, and proactive with the ability to function under pressure in a collaborative Agile environment.
- Strong verbal and written communication skills, with strong relationship-building, collaboration, and organizational skills.
- Prior experience gathering technical requirements for Java backend systems and knowledge of web UIs is an added advantage.
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.
Pay Ranges
O'Fallon, Missouri: $72,000 - $115,000 USD
$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer– RPPS Platform Who is Mastercard? Mastercard powers economies and empowers people in more than 200 countries and...SuggestedFull timePart timeRemote workWorldwideFlexible hours- ...Software Engineer II Our client, a credit card company, is looking for a Software Engineer II for their O'Fallon, MO/Hybrid location. Responsibilities: Design components by translating product requirements, break down project into tasks and provide accurate...SuggestedLive in
$92k - $147k
...Software Engineer II 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,...SuggestedFull timePart timeWorldwideFlexible hours- ...Software Engineer II Location: OFallon, MO Program Overview: Sustainability and Innovations Program aims to develop Mastercard sustainability solutions and innovative products for Consumer solutions. S&I program team is looking for a high-energy, detail-oriented...SuggestedLocal area
- Excellent communication skills with the ability to communicate with all levels of management Ability to build rapport and relationships Someone understanding the concept of operations first, focusing on usability, operability of applications from the get go...Suggested
- ...Senior Software Engineer Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Rate - $65/hr. on C2C Java/JEE 6-10 years Essential responsibilities of the position: Execute and own the baseline architecture implementations and design activities collaborating...Work experience placementInternshipLocal area
- ...new CEO, *** is committed to a transformative journey with 'Scale @ Speed' as our guiding principle. Role Overview: As a Software Engineer in Corporate Solutions at you'll work with modern full-stack development practices with a focus on microservice and...
- ...Job Title Bachelor’s degree in information systems, information technology, computer science, engineering, or equivalent work experience. More than 7 years of industry experience. Excellent communication skills, with the ability to interact across multiple organizational...Work experience placement
$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview Mastercard’s Network & Digital Payments group creates meaningful digital payment experiences for consumers,...Full timePart timeWorldwideFlexible hours- ...Senior Software Engineer Seeks a Senior Software Engineer who will be a crucial part of our software team. The selected candidate will have to write scalable, robust, and easy-to-maintain code, and will be required to translate software requirements into high-performance...Work experience placement
- ...Consultant Software Engineer Been the victim of credit card fraud and thought, Vengeance! Yeah, we get it. Want to feel your spine tingle by thwarting credit card fraudsters across the globe? Interested in creating Thats the stuff! software for combating scammers?...
- ...like PCF (Pivotal Cloud Foundry) demonstrates the candidate's ability to work within cloud environments effectively. # Modern Software Design Principles: Deep understanding of design principles like SOLID, DRY (Don't Repeat Yourself), and Single Responsibility. This...Local area
- ...Position: Java Engineer Location: Onsite - 5 Days/Week (O'Fallon, Missouri or NYC, NY) Type: Full-Time Employee (FTE) Openings... ...Redis , Cassandra , Zookeeper , and Splunk . Apply software engineering principles such as SOLID , DRY , and design...Full timeLocal area
$140k - $231k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Software Engineer (C/C++) This is an exciting opportunity for you to join Mastercard on the global credit card authorization team. The system...Full timePart timeWorldwideFlexible hours- ...executive and customer stakeholders Experienced in agile and modern SDLC practices: Scrum/Kanban/Continuous Delivery/DevOps/Quality engineering, and the delivery situations. Reasonable accommodations also are available in the hiring process for applicants with...
$126.65k - $171.35k
Software Engineer-Developer, Phantom Works Weapons (Experienced or Senior)Company:The Boeing CompanyThe Boeing Company is seeking an Application Software Engineer (Experienced or Senior) to join the Phantom Works Weapons team in St. Charles, MO (St. Louis Area). This teamsupports...Permanent employmentFull timeWork experience placementCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- ...Manager Name : Saurabh Prakash - Technical Lead at Client Resume Submission Email: ****@*****.*** Lead Software Engineer Location: O'Fallon, Missouri Work Model: Hybrid /Onsite Mid - Senior Level The Lead Software Engineer...
- ...We have partnered with our client in their search for a Lead Software Engineer in O'Fallon, MO. Responsibilities ~ This job is a developing subject matter expert in the Software Engineering area, influencing stakeholders and applying advanced knowledge...Work experience placement
- ...• Be able to work with Business/Systems Analysts and Quality Engineers in a behavioural driven development environment. • The Ideal... ...requirements • Automate build, operate, and run aspects of software • Drive code/design/process trade-off discussions within team...
$140k - $231k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Software Engineer Overview Mastercard is a global technology company in the payments industry, focused on powering an inclusive,...Full timePart timeWorldwideFlexible hours- ...Lead Software Development Engineer Mastercard’s Commercial Solutions team is a rapidly growing organization with responsibilities to deliver innovative solutions to help our customers grow and expand their business. Focused on thinking big and scaling fast around the...H1bLocal areaRelocation
- ...Lead Software Engineer Job Description: Overview: As part of an exciting, fast paced environment developing digital identity and security solutions in the mobile and e-commerce space, this position will provide technical expertise within the development lifecycle...
$140k - $231k
...Manager Software Engineering 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...Full timePart timeWorldwideFlexible hours$140k - $231k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Manager Software Engineering Overview Mastercard is seeking a Manager, Software Engineering to lead a high-performing team responsible for building...Full timePart timeWorldwideFlexible hours- ...Lead Software Development Engineer Mastercard is a global technology company in the payments sector. We power payments and provide products and services for individuals and industries all around the world. Our people, technology, data and brand provide the capabilities...Local area
- ...Azure Platform Engineer Location: O'Fallon, MO Duration: Long Term Contract Number of opening: 1 Project Scope: System Integration, CI/CD Pipeline Development, User Provisioning, LDAP Integration, System Resiliency Testing, Security practices Role &...Long term contract
$45k - $121k
...Job Title: Software Developer City: O Fallon State/Province: Missouri Posting Start Date: 8/7/26... ...our holistic portfolio of capabilities in consulting, design, engineering, and operations, we help clients realize their boldest ambitions...Minimum wageLocal area$140k - $231k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Manager, Software Engineering We are seeking a visionary and results-driven Engineering Manager to lead a service group in our critical Decision...Full timePart timeWorldwideFlexible hours- ...to manage and execute an organizational network analysis pilot leveraging Microsoft Enterprise Viva platform as a core integration engineer of the project team. Responsibilities Assists senior resources in the assessment, analysis and implementation Microsoft...
- ...Lead Software Development Engineer The Lead Software Development Engineer is a technical leader responsible for driving software architecture, engineering strategy, and delivery of Mastercard's next-generation payment platforms. This role combines hands-on engineering...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer I. Be the first to apply!
- agile software developer O Fallon, MO
- experienced software developer O Fallon, MO
- software developer fintech O Fallon, MO
- financial software developer O Fallon, MO
- software engineer O Fallon, MO
- part time software developer remote O Fallon, MO
- software developer O Fallon, MO
- director software engineering O Fallon, MO
- part time software developer O Fallon, MO
- software engineer healthcare O Fallon, MO

