MastercardSoftware Engineer II
Mastercard is hiring a Software Engineer II. Level rates it ; you can apply on Mastercard.
Level's read on this job
- Little AI ●○○○ is how Level rates this software engineer role: aI is not part of the work.
- The posting mentions Java, Spring Boot and SQL among its tools and skills.
- Level classes it as a mid-level role.
- Mastercard has 1,000+ other open roles on Level.
AI in this role
Develop and maintain Java-based applications and services for Mastercard's fraud-prevention and decision management platform.
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 IIOverviewMastercard’s Fraud Products team develops capabilities for the Decision Management Platform, which supports solutions designed to combat fraud and validate cardholder identity. This Java-based platform processes billions of transactions each month using a distributed, message-oriented architecture built for high performance and availability.
As a Software Engineer II, you will develop, test, deploy, and support applications and services within this platform. You will independently apply core software engineering skills in routine and moderately complex situations, partnering with technical leads and other team members when addressing unfamiliar or highly complex challenges.
What You’ll Do
Software Development
•Design, build, test, deploy, and maintain Java-based applications and services.
•Translate business and technical requirements into maintainable software solutions.
•Apply data structures and programming concepts to support efficient system performance.
•Integrate vendor and open-source technologies into existing systems.
•Contribute to Agile discovery, planning, development, and delivery activities.
Design & Architecture
•Develop software designs that address functional, performance, security, and operational requirements.
•Apply established architectural patterns and standards when building distributed applications.
•Partner with technical leads to understand system interactions, dependencies, and design decisions.
•Support high-performance, highly available transaction-processing solutions.
Quality & Secure Engineering
•Create and maintain unit, functional, and integration tests.
•Apply secure coding practices throughout the software development lifecycle.
•Participate in code reviews to improve readability, maintainability, and adherence to engineering standards.
•Identify and resolve defects before they affect production systems.
Performance & Operational Excellence
•Analyze and optimize application performance, scalability, and reliability.
•Troubleshoot technical issues and support the resolution of production incidents and problem tickets.
•Contribute to monitoring, observability, alerting, and operational readiness.
•Develop an understanding of application runtime behavior, dependencies, infrastructure, and support requirements.
Collaboration
•Partner with engineers, technical leads, Product, Architecture, and other cross-functional teams.
•Communicate effectively within a globally distributed environment.
•Share technical knowledge and contribute to continuous improvement.
•Demonstrate ownership, initiative, and accountability for assigned work.
Required Qualifications
•Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a related field, or equivalent practical experience.
•Software development experience using Core Java, including multithreading.
•Knowledge of Java/J2EE, Spring Framework, and Spring Boot.
•Experience writing unit, functional, and integration tests.
•Understanding of software design principles, architectural patterns, and distributed systems.
•Ability to apply secure coding practices and participate in code reviews.
•Knowledge of data structures and their application to software development.
•Experience troubleshooting applications and supporting production issues.
•Familiarity with performance testing, monitoring, analysis, or system optimization.
•Understanding of observability and operational support practices.
•Experience with Oracle, PL/SQL, and advanced SQL scripting.
•Knowledge of Agile development practices and test-driven development.
•Ability to work independently on routine and moderately complex assignments, seeking guidance when addressing unfamiliar or highly complex situations.
•Strong communication, collaboration, organizational, and problem-solving skills.
Preferred Qualifications
•Experience with high-performance, high-availability transaction-processing systems.
•Knowledge of distributed computing technologies such as GemFire, Apache Spark, Redis, Hazelcast, GridGain, or similar platforms.
•Familiarity with messaging technologies such as MQ and JMS.
•Experience using Splunk to create dashboards, alerts, or monitors.
•Knowledge of Linux and shell scripting.
•Experience integrating vendor and open-source products into enterprise systems.
•Familiarity with development environments such as IntelliJ IDEA or JBoss Developer Studio.
•Experience within payments, fraud prevention, financial services, or another regulated industry.
Success Measures
A successful Software Engineer II will:
•Independently deliver assigned software features from development through production support.
•Produce maintainable code that follows established design, testing, and security standards.
•Apply software architecture and data structure concepts to routine and moderately complex solutions.
•Effectively troubleshoot defects, incidents, and performance concerns.
•Strengthen application reliability through testing, monitoring, and operational readiness.
•Participate constructively in code reviews and technical discussions.
•Demonstrate growing ownership and consistency across the software development lifecycle.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.
Pay Ranges
O'Fallon, Missouri: $92,000 - $147,000 USDHow we rate this
Software Engineer II at Mastercard rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.
Little AI. AI is not part of the work.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Also common in software engineer jobs at this level
Pay
- Typical software engineer job
- $167k
This posting doesn't list pay. Use the typical software engineer figure when pay comes up. See software engineer jobs
Questions you could be asked
- Tell me about a project where software engineering was part of your work. What did you do?
- Tell me about a project where backend was part of your work. What did you do?
- Tell me about a project where distributed systems was part of your work. What did you do?
- Tell me about a project where agile was part of your work. What did you do?
- Walk me through how you've used Java in your day-to-day work.
Adapt your resume
- List these exact terms on your resume: Software Engineering, Backend, Distributed Systems, Agile, and Java. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Want an expert to read your CV for this job?
Free. Send your CV and the role you want next. You get your review by email within 24 hours.
Get new software engineer jobs by email
One email a week with the new software engineer jobs, each rated for how much AI is in the work. No recruiter spam, unsubscribe in one click.
Free. One email a week. Unsubscribe in one click.
Similar roles
Software Engineering roles that involve little AI, at other companies.
What kind of AI work fits you?
Answer 12 practical questions in about three minutes. Get a simple profile, the work it points to, and live roles to explore next.
Find my next step