Senior Software Engineer- RPPS Platform
$115k - $184kMastercard
Senior Software Engineer– RPPS Platform
Who is Mastercard?
Mastercard powers economies and empowers people in more than 200 countries and territories worldwide. Together with our customers, we are helping build a sustainable economy where everyone can prosper. Our technology, innovation, partnerships, and networks combine to deliver unique products and services that help people, businesses, and governments realize their greatest potential.
The Transfer Solutions organization is seeking a Senior Software Engineer to join the RPPS (Remote Payment and Presentment System) platform team. This team develops and supports critical software solutions that enable payment processing capabilities across Mastercard's ecosystem.
This role is ideal for an experienced full-stack engineer who enjoys building modern applications, designing scalable APIs, solving complex technical problems, and contributing to high-performing Agile engineering teams. The successful candidate will participate across the entire software development lifecycle, from solution design and architecture through development, testing, deployment, optimization, and production support.
The position requires strong expertise in Java, Spring Boot, API development, and modern front-end technologies, coupled with a passion for engineering excellence, technical leadership, and continuous improvement. Based on the intake discussion, the role supports the RPPS platform and currently utilizes Java, Spring Boot, Angular, APIs, and automation-focused development work. Role
As a Senior Software Engineer, you will:
• Design, develop, test, deploy, and maintain scalable software applications that support Mastercard's payment processing platforms.
• Build and enhance full-stack solutions utilizing Java, Spring Boot, Angular, APIs, and modern software engineering frameworks.
• Collaborate with Product, Architecture, Platform Engineering, and Operations teams to translate business requirements into scalable technical solutions.
• Contribute to application and service architecture decisions that improve scalability, maintainability, resilience, and long-term platform evolution.
• Design and develop RESTful APIs and service integrations supporting enterprise-scale transaction processing.
• Participate in Agile development activities including backlog refinement, sprint planning, standups, retrospectives, and solution reviews. The intake notes indicate responsibilities around picking up stories, contributing to requirements, participating in standups, and retrospectives.
• Develop automated unit, functional, and integration tests to ensure software quality, reliability, and maintainability.
• Perform code reviews and provide constructive feedback to improve code quality, consistency, and adherence to engineering standards.
• Troubleshoot and resolve complex technical issues across applications, APIs, databases, and production environments.
• Analyze system behavior and optimize application performance, scalability, and reliability for business-critical workloads.
• Implement secure coding practices and proactively address application security risks throughout the software development lifecycle.
• Design systems with operational readiness in mind, incorporating monitoring, logging, alerting, and observability best practices.
• Support production deployments, incident response, root cause analysis, and continuous service improvement activities.
• Mentor and support other engineers by sharing technical knowledge and promoting engineering best practices.
• Continuously evaluate emerging technologies, frameworks, and tools that improve software delivery and platform capabilities. All About You
Required Qualifications
• Strong experience developing enterprise applications using Java and Spring Boot.
• Experience building and consuming REST APIs in distributed application environments. The intake discussion referenced API development as a core r responsibility.
• Experience with modern front-end development technologies, including Angular or similar frameworks.
• Strong understanding of software development principles, object-oriented design, and distributed application architectures.
• Experience designing, implementing, and maintaining automated testing solutions including unit, functional, and integration testing.
• Experience conducting code reviews and driving engineering quality improvements.
• Strong troubleshooting and root cause analysis skills within complex application environments.
• Demonstrated understanding of secure coding practices and application security principles.
• Experience analyzing and optimizing system performance, scalability, and operational reliability.
• Strong knowledge of data structures, algorithms, and software design patterns.
• Excellent communication, collaboration, and problem-solving skills. Preferred Qualifications
• Experience working on payment processing, transaction processing, or financial technology platforms.
• Experience with cloud-native architectures and containerized deployment models.
• Experience implementing CI/CD pipelines and DevOps practices.
• Familiarity with observability platforms, monitoring tools, and operational excellence practices.
• Experience supporting highly available mission-critical systems.
• Experience mentoring engineers and influencing technical decisions across teams.
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 View email address on decentrajobs.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.
Pay RangesO'Fallon, Missouri: $115,000 - $184,000 USD
- ...Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API... ...is preferred. • Advanced knowledge and understanding of Software Engineering Concepts and Methodologies is required. • Strong communication...SeniorSoftwareWork experience placement
- ...We are seeking a Senior Test Automation Engineer with strong expertise in API and UI test automation, Java... ...developers and testers to ensure software quality, assisting in problem resolution... ...teams. ~ Experience with cloud platforms (AWS, Azure, PCF) and...SeniorSoftware
$96k - $163k
...realize their greatest potential. Title and Summary Senior Platform Engineer Who is Mastercard? We work to connect and power an inclusive... .... About the Role The DevFlow team in the Mastercard Software Builders Experience program is leading the DevOps...SeniorSoftwareFull timePart timeWorldwideFlexible hours- ...Technologies supported by this team are hosted in various cloud provider platforms like GCP, AWS and Azure. We also support few applications... ..., Rally or JIRA, Microsoft Project & Excel. Familiarity with software development, technical terms and general concepts (especially...SeniorSoftwareRelocation
$96k - $163k
...greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At... ...are responsible for ensuring that our platform is stable and healthy. We break down... ...during the application build phase in software run principles that include operational...SeniorSoftwareFull timePart timeWorldwideFlexible hours$195k - $323k
...Principal Software Engineer, Senior Architect Mastercard is a global technology company in the payments industry. Our mission is to connect... ...technical vision behind Mastercard's most critical corporate platforms. This role sits at the intersection of strategy and...SeniorSoftware- ...Senior Software Development Engineer Location: O'Fallon, Missouri (1000 Technology) Duration: 24 Months Conversion to an employee prior to that if candidate is strong. SDRAM team (Smart Data Real time Account Management) on the CERA (Commercial Expense Reporting...SeniorSoftwareFor contractorsWork experience placementBank staffFlexible hours
- ...performance code reviews, build test strategy, coordinate with cross-functional teams and support operational issues Expert in modern software design principles such as SOLID, DRY, and Single responsibility Experience in technology stack (PCF, NiFi, NATS, Kafka,...SeniorSoftware
- ...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...SeniorSoftwareLocal area
- ...Position: Java Engineer Location: Onsite - 5 Days/Week (O'Fallon... ...technical role ideal for senior developers or leads passionate... ..., and Splunk . Apply software engineering principles such as... ...teams and lead initiatives for platform improvement. Must-Have...SoftwareFull timeLocal area
- ...Specialist to manage full-stack application development and DevOps practices. The role requires a minimum of 5 years of experience in software development, and a strong knowledge of cloud infrastructure and operations. The successful candidate will work collaboratively...SeniorSoftware
- ...Quality Engineering Team Lead Mastercard is a global technology company in the payments industry. Our mission is to connect and power... ...other organizations, this position needs deep understanding of software development, architecture, and performance engineering to help...SeniorSoftwareWork experience placement
- ...Java Backend Engineer O'Fallon, MO - Day 1 Onsite Full Time... ...specifically in J2EE (Java 2 Platform, Enterprise Edition). This... ...environments effectively. # Modern Software Design Principles: Deep... ...person would fit well into a senior or lead developer role, where...SoftwareFull time
- ...Senior Software Engineer O'Fallon, Missouri Category: Engineering - IT Job Type: Contract Location: O'Fallon, Missouri Pay Rate... ..., BlazeMeter, mocking, etc.) Experienced in building platforms with Microservice architecture and RESTful APIs. Experience...SeniorSoftwareContract work
- ...Senior Software Development Engineer In Test Location: O'Fallon, Missouri (Main Campus) Duration: 12 Months Is there an anticipated opportunity... ...s main responsibility? To provide technology solutions, platform architecture design, testing, assistance etc. How...SeniorSoftwareContract workFor contractorsWork experience placementFlexible hours
$96k - $163k
...governments realize their greatest potential. Title and Summary Senior Platform Engineer - Database Admin Overview • Provide world-class... ...partitioning. • Advanced knowledge of Oracle RAC, Cluster Resource software and Oracle 12C features. Education (preferred): •...SeniorSoftwareFull timePart timeWorldwideFlexible hours- ...of advanced authentication techniques on mobile and web based platforms Web Services - REST/JSON- Advanced Level. J2EE Web Application... ...into an overall system Experience specifying hardware/software requirements, and estimating complex IT efforts Self-...SoftwareContract workRemote workRelocationFlexible hours2 days per week
- ...of web applications, system to system interfaces and complete software solutions. Design and develop test automation scenarios to validate... ...of automation code where needed. Work closely with software engineers to build quality in, ensuring proper test and requirement...SeniorSoftware
- ...rationalize, and drive multiple simultaneous projects to deliver engineering work across the portfolio in our scrum execution model.... ...Experience defining and building cloud-native software products as a platform at scale with a deep understanding of those platforms capabilities...SeniorSoftwareContract workLocal areaRelocationFlexible hours
$130k - $180k
...Structural Practice Group is seeking a Senior Consultant with deep expertise in construction... ...with ESi’s multidisciplinary team of engineers and scientists nationwide. Compensation... ...with construction cost estimating software (e.g., Xactimate) required, with software...SeniorSoftwareFull timeWork at office- ...Developer Work with a talented team of developers and test engineers to develop fraud management applications. This position will be... ..., etc. Excellent technical acumen and ability to learn new software quickly. Strong knowledge of traditional testing...SeniorSoftware
$96k - $163k
...governments realize their greatest potential. Title and Summary Senior Platform Engineer ABOUT MASTERCARD Mastercard is a global technology... ...that automated cloud infrastructure can be provided to software engineering and operation teams. The Role • Implement...SeniorSoftwareFull timePart timeWorldwideFlexible hours$115k - $184k
...Senior Software Engineer Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers... ...solutions that support Mastercard's business-critical platforms. In this role, you'll take ownership of complex technical...SeniorSoftwareWork experience placementWorldwide- ...capabilities for MasterCard's Decision Management Platform, which serves as the core for multiple... ...to ensure effective delivery of software capabilities and be an integral part of... ...Qualification: Additional Skills: Looking for Senior developer who can coach/ mentor Junior...SoftwareLocal areaRemote workRelocation
- ...functionality ¿ Expertise in agile and waterfall delivery, life cycle management tools (JIRA/Rally/Rational Concert/Quality Center), software testing standards, methods and conventions. ¿ Exposure to Device/Browser compatibility ¿ Exposure on validating code review r and...SeniorSoftware
$104k - $177k
...potential. Title and Summary Senior Product Manager - Technical... ...The Cryptographic Security Engineering program designs, builds and supports service platforms that provide cryptographic, key... ...technical analysis of application software to ensure that business and functional...SeniorSoftwareFull timePart timeWorldwideFlexible hours- ...Business Operations Site Reliability Engineer (SRE) The Account Management Services Business... ...are responsible for ensuring that our platform is stable and healthy. We break down... ...developers during the application build phase in software run principals that includes operational...SeniorSoftwareLocal areaRemote workFlexible hours
- ...systems, including servers, networks, and software applications. Troubleshoot and resolve... ...support, including 2 years in a Level 3 or senior technician role. MSP experience... ...technologies (VMware, Hyper-V), and cloud platforms (Azure, AWS). Networking & Security:...SoftwareWork at officeLocal areaRemote workFlexible hoursAfternoon shift
$76k - $127k
...potential. Title and Summary Site Reliability Engineer II Who is Mastercard? At... ...we are responsible for ensuring that our platform is stable and healthy. We break down barriers... ...during the application build phase in software run principles that include operational...SoftwareFull timePart timeWorldwideFlexible hours- ...responsibilities Administration of the Microsoft 365 Commercial and GCC platform such as: Intune, Entra ID, OneDrive, SharePoint Online,... ..., monitor, and troubleshoot systems and related hardware and software. Ensure Data Recovery processes are thoroughly tested and documented...SoftwareFull timeFor subcontractorRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer- RPPS Platform. Be the first to apply!
- senior robotics software engineer O Fallon, MO
- senior software engineer O Fallon, MO
- software developer fintech O Fallon, MO
- senior software engineer ruby on rails O Fallon, MO
- consulting software engineer O Fallon, MO
- junior software developer remote O Fallon, MO
- senior software engineer remote O Fallon, MO
- entry level software engineer remote O Fallon, MO
- software engineer full time O Fallon, MO
- startup software engineer O Fallon, MO



