Software Engineer II

O'Fallon, MO

Full-time

Onsite

$92K/yr - $147K/yr

Entry Level

Mastercard is a global technology company in the payments industry. They are seeking a Software Engineer II who will contribute to the design, development, testing, and maintenance of software solutions while collaborating with experienced engineers.

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Responsibilities

Contribute to the design, development, testing, and implementation of software solutions under guidance from senior engineers
Develop and maintain application code in accordance with established engineering, quality, and security standards
Create and execute unit tests and support automated testing efforts
Participate in code reviews and incorporate feedback
Assist with troubleshooting, defect resolution, and application support
Collaborate with cross‑functional teams to deliver assigned work on schedule
Adhere to audit, compliance, and information security requirements

Qualification

Required

Bachelor's degree in computer science, Engineering, Information Technology, or equivalent experience
Foundational knowledge of software engineering concepts and the software development lifecycle
Experience with one or more programming languages (Java is a must)
Familiarity with Agile development practices, testing concepts, and version control
Strong analytical, problem‑solving, and communication skills
Ability to work effectively in a collaborative, team‑based environment
Willingness to learn new technologies and tools

Preferred

Benefits

Insurance (including medical, prescription drug, dental, vision, disability, life insurance)
Flexible spending account
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
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
Many more
56 hours of Paid Sick and Safe Time (interns generally)
Jury duty leave (interns generally)
On-site fitness facilities in some locations (interns generally)