Software Development Engineer II
$92k - $147kMastercard
Software Development Engineer II
Overview
The Software Development Engineer II is an experienced software engineer specializing in Java development and microservices architecture. This role independently develops scalable, cloud-ready applications while contributing to software design, architecture, operational excellence, and production support.
•Design software components by translating product requirements into scalable technical solutions.
•Contribute to software architecture decisions and technical design discussions.
•Build modular, extensible, maintainable, and performant applications.
•Design, execute, and maintain unit, functional, and integration tests.
•Apply secure coding practices throughout the software development lifecycle.
•Participate in code reviews and contribute to engineering quality standards.
•Support system performance optimization, scalability improvements, and reliability initiatives.
•Design applications with observability, operational readiness, and supportability in mind.
•Research new technologies, frameworks, and engineering practices.
•Participate in proof-of-concepts and technical experimentation.
•Troubleshoot application and production issues using structured root cause analysis.
•Support applications throughout their lifecycle, including production support.
•Collaborate with cross-functional stakeholders to deliver business solutions. All About You
•Solid understanding of Java, J2EE, Spring, Spring Boot, Kafka, RESTful Web Services, and JPA.
•Experience developing cloud-ready applications and microservices.
•Understanding of software architecture and design principles.
•Experience with automated testing, unit testing, and integration testing.
•Familiarity with performance optimization and scalability concepts.
•Understanding of secure software development practices.
•Experience participating in code reviews.
•Strong analytical and troubleshooting skills.
•Exposure to CI/CD and Test-Driven Development practices.
•Experience or exposure to AI-assisted applications, autonomous agents, or agentic workflows.
•Agile Scrum experience.
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: $92,000 - $147,000 USD
$92k - $147k
...Software Engineer II Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers... .... Mastercard software engineering teams leverage Agile development principles, advanced development and design practices, and...SuggestedFull timePart timeWorldwideFlexible hours$92k - $147k
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$92k - $147k
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...their greatest potential. Title and Summary Principal Software Development EngineerJob Overview: Leads major projects and creates the... ...Services Sector is preferred. • Expertise with Software Engineering Concepts and Methodologies. • Proven track record in selection...Full timePart timeWorldwideFlexible hours- ...Lead Software Development Engineer Location: O’Fallon, MO Duration: 24 months Interview process: First round phone, second round skype video Duration? Is there an opportunity for conversion or extension? 2 years Yes there is an opportunity for conversion....
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...greatest potential. Title and Summary Business Rule Author - Software Engineer II Overview The Business Rules Engineering & Strategy... ...and behavioral data, and when combined with our agile rule development & deployment capabilities, results in a competitive...Full timePart timeWork experience placementWorldwideFlexible hours- ...Mid-Level Java Software Engineer II Location: O'Fallon, Missouri (Main Campus) Duration: 12 Months Overview The Consumer Authentication... ...This position will provide technical expertise within the development lifecycle for new products and services that are simple,...
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...work independently on site reliability engineering tasks and smaller initiatives, applying... ...for our products, engaging early in the development lifecycle to support operational design,... ...teamwork. This Site Reliability Engineer II role sits within our Payment Network Business...Full timeFlexible hours$115k - $184k
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- ...with very good understanding of micro services. Grasp of software engineering skills in modular design, data structures, algorithms.... ..., or equivalent work experience. Experience in software development design and implementation of large scale distributed systems...Work experience placement
- ...years of experience must • Experience in object-oriented programming and concepts • Experienced in Java backend application development. • Comfortable enough in handling algorithms, data structures, Data collections and system design problems • Hands on experience...Remote work
- ...Director, Platform Engineering Mastercard is a global technology company in the payments... ...on analyzing, coding, and delivering software and platform solutions. Operations Automation... ...SRE and operations Application development teams Architecture and governance groups...
$140k - $231k
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...realize their greatest potential. Title and Summary Lead Software Engineer Overview Mastercard is seeking a Lead Software Engineer... ...members, and ensuring high-quality delivery across the software development lifecycle. The ideal candidate applies deep technical...Full timePart timeWorldwideFlexible hours- ...We have partnered with our client in their search for a Lead Software Engineer in O'Fallon, MO. Responsibilities ~ This... ...of area goals and initiatives by contributing to solution development and improvements for existing products, services, and/or processes...Work experience placement
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