Jobs / Mas***
Software Engineer II
Mas*** · O'Fallon, MO, United States
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O'Fallon, MO, United States92,000-147,000 USD/yearlyHybrid
Remuneration
92,000-147,000 USD/yearly
Location
O'Fallon, MO, United States
Visa sponsorship
Sponsors visa
Job summary
Our Purpose Mas*** 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.
Benefits
MastercardFor interns generally include: 56 hours of Paid Sick and Safe Time; jury duty lePay RangesO'Fallon, Missouri: $92,000 - $147,000 USD
Qualifications
- Strong hands-on experience in Java, Spring Boot, and REST APIs.
- Hands-on experience with Angular (2+) and Node.js.
- Experience building and maintaining scalable, production-grade applications.
- Strong problem-solving, troubleshooting, and debugging
- 3–5 years of software engineering experience.
- Experience with cloud platforms such as Kubernetes, AWS, Azure, or PCF.
- Exposure to CI/CD pipelines, automation, and DevOps engineering practices.
- Experience with observability platforms, monitoring, logging, and operational support practices.
- Exposure to performance testing, application tuning, and capacity planning.
- Experience using AI-assisted development
Responsibilities
- As a Software Engineer II, you will contribute to building scalable backend services using Java/Spring and modern user interfaces using Angular and Node.js within a distributed architecture.
- Working closely with cross-functional teams, you will help deliver production-grade solutions and continuously improve your
- Abide by Mas***’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 Mas***’s guidelines.
- The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge,
Skills
Communication
Degrees
Associate
Industry
AutomotiveEnergyInsuranceMediaPublic-sectorRetail
Company size
Smb
Contract length
5 years
Security clearance
Confidential