Jobs and Careers
MA
Senior Software Engineer
MastercardO'Fallon, United Statesfull_timeVerifiedPosted 3 Sept 2025
💰 $115,000/yr
About the role
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 EngineerMDES is looking for strong, innovative Sr. Software Engineer to assist in Development and Testing Mastercard's next generation of Digital Payment products that change how our customers choose to pay. We are looking for Developers who can bring unique perspectives and innovative ideas to all areas of development, and are interested in continuing to improve our platform through the ever changing technology landscape. In this role, you will work on multiple projects, which are critical to Mastercard’s role in the Digital Payment Space, leveraging Pivotal Cloud Foundry and microservice architecture.An ideal candidate is someone who works well with a cohesive team-oriented group of developers, who has a passion for development software, who enjoys solving problems in a challenging environment, and who has the desire to take their career to the next level. If any of these opportunities excite you, we would love to talk.
Responsibilities
Participate in team prioritization discussions with Product/Business
stakeholders.
• Estimate and own delivery tasks (design, dev, test, deployment,
configuration, documentation) to meet the business requirements.
• Automate build, operate, and run aspects of software.
• Drive code/design/process trade-off discussions within their team when
required.
• Report status and manage risks within their primary application/service.
• Drive integration of services focusing on customer journey and experience
• Perform demos/acceptance discussions in interacting with Product owners.
• Understands operational and engineering experience and actively works to
improve experience and metrics in the ownership area.
• Develop a complete understanding of end-to-end technical architecture and
dependency systems.
• Mentor and guide new and less-experienced team members.
• Identify opportunities to improve an overall process and trim waste.
• Share and seek knowledge within their Guild/Program to drive reuse and
productivity
• Ability to coordinate and interact across multiple departments.
• Develop (code) Enterprise Application with quality, within schedule and within estimated efforts.
• Assist Lead Engineer in low level design
• Provide estimate for the assigned task
• Write and execute Unit, Integration test cases
• Provide accurate status of the tasks
• Perform peer review and mentor junior team members
• Comply with organizations processes. Policies and protects organization’s Intellectual property. Also, participate in organization level process improvement and knowledge sharing
Qualifications
Minimum:
• Hands on experience with core Java, Spring Boot, Spring (MVC, IOC, AOP, Security), SQL, RDBMS (Oracle and PostGRES), Web-services (JSON and SOAP), Kafka, Zookeeper
• Hands on experience of developing microservice application & deploying them on any one of the public cloud like Google, AWS, Azure
• Hands on experience of using Intellij/Eclipse/My Eclipse IDE
• Hands on experience of writing Junit test cases, working with Maven/Ant/Gradle, GIT
• Knowledge of Design Patterns
• Experience of working with Agile methodologies.
• Personal attributes are strong logical and Analytical Skills, design skills, should be able to articulate and present his/her thoughts very clearly and precisely in English (written and verbal)
• Knowledge of Security concepts (E.g. authentication, authorization, confidentiality etc.) and protocols, their usage in enterprise application
Additional/Desirable capabilities
Experience of working in Payments application Domain
Hands on experience of working with tools like Mockito, JBehave, Jenkins, Bamboo, Confluence, RallyMastercard 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@masterca
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s