Software Engineer II

Mastercard

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
O'Fallon, MO
Salary
$92,000–$147,000 / yr
Posted
10 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $146k
This role $120k
$80k most similar roles pay here $206k

This role pays less than 77% of similar roles. Most pay $123,250–$169,050 — the shaded band above. At the midpoint, this role pays about $120k versus about $146k for comparable roles.

Based on 240 similar postings.

Employer

About Mastercard

Mastercard is a global technology company in the payments industry, processing transactions between financial institutions and merchants using its extensive network of credit, debit, and prepaid card products. Industry: Payments Technology & Financial Services

Mastercard currently has 116 open roles on FindRole.

Listed pay typically runs $122,000–$207,000 across 104 roles with salary data.

Most-posted roles

View all roles at Mastercard

At a glance

TL;DR · Software Engineer II

As a Software Engineer II, you will join a team focused on transforming how payment systems are built, scaled, and operated. You will design and develop cloud-ready applications, microservices, and APIs to support large-scale payment processing platforms while advancing modernization, automation, and engineering excellence. Your daily responsibilities include translating product requirements into scalable technical solutions, participating in architecture discussions, building maintainable components, and performing root cause analysis for production issues. You will work with a technology stack including Java, J2EE, Spring, Spring Boot, Kafka, RESTful Web Services, and JPA. The role also requires experience with automated testing, CI/CD, Test-Driven Development, and Agile Scrum. Additionally, you may engage with AI-assisted applications or agentic workflows to solve complex technical challenges within the payment processing domain.

What does a Software Engineer earn in Missouri?

Median $149500 from 35 postings across 4 companies.

See salary data

What you'll do

  • Design scalable technical solutions and software components based on product requirements.
  • Develop modular, maintainable, and performant microservices and cloud-ready applications.
  • Execute and maintain unit, functional, and integration tests to ensure code quality.
  • Implement secure coding practices throughout the entire software development lifecycle.
  • Optimize system performance, scalability, and operational readiness for production environments.
  • Troubleshoot application and production issues using structured root cause analysis.
  • Research new technologies and participate in technical experimentation and proof-of-concepts.

What we're looking for

  • 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.
  • Exposure to CI/CD and Test-Driven Development practices.
  • Experience or exposure to AI-assisted applications, autonomous agents, or agentic workflows.

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