Senior Software Engineer

Mastercard

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Quick summary

Work type
On-site
Location
O Fallon, MO
Salary
$115,000–$184,000 / yr
Posted
1 day ago
Freshness
Confirmed live today

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $163k
This role $150k
$103k $224k
below market most similar roles pay here above market

This role pays less than 67% of similar roles. Most pay $149,500–$177,350 — the blue band above. At the midpoint, this role pays about $150k versus about $163k 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 150 open roles on FindRole.

Listed pay typically runs $122,000–$207,000 across 143 roles with salary data.

Most-posted roles

View all roles at Mastercard

At a glance

TL;DR · Senior Software Engineer

As a Senior Software Engineer in the Core Payments Network Solutions team, you will develop software supporting payment and transaction-processing systems. You will design, build, test, deploy, and maintain software components, automation frameworks, and validation tools for payment-processing applications. Your daily work involves applying data structures, algorithms, and domain-driven design to create scalable, secure, and reliable microservices. You will utilize Java, Spring Boot, SQL, and relational databases while managing containerized applications via Kubernetes on AWS and PCF. Key tools include Jenkins, XL Release, Sonar, Clover, Splunk, and Veracode. You will also lead code reviews, mentor junior engineers, and ensure operational readiness through load testing and monitoring. This role solves critical technical problems regarding payment workflows, service interactions, and high-performance distributed systems.

What does a Software Engineer earn in Missouri?

Median $149500 from 61 postings across 6 companies.

See salary data

What you'll do

  • Design, build, test, deploy, and maintain software components and automation frameworks for payment-processing applications.
  • Translate business requirements into maintainable solutions using domain-driven design and established design patterns.
  • Develop unit, functional, and integration tests and integrate validation into CI/CD pipelines.
  • Apply secure coding practices and integrate vulnerability detection into the software delivery pipeline.
  • Improve system performance and scalability through load testing, tuning, and bottleneck analysis.
  • Build observability, monitoring, and resilience into solutions across all production environments.
  • Troubleshoot complex production issues and identify root causes to support timely resolution.
  • Mentor junior engineers and conduct code reviews for system designs and implementation approaches.

What we're looking for

  • Strong practical experience in software engineering, including development and quality engineering.
  • Demonstrated proficiency developing microservices with Java and Spring Boot.
  • Proficiency with relational databases and SQL.
  • Advanced understanding of cloud-native architecture, PCF, and AWS.
  • Experience deploying and managing containerized applications using Kubernetes.
  • Proficiency in test automation, CI/CD integration, and code-coverage measurement using tools such as Jenkins, XLR, GitHub Actions, Sonar, and Clover.
  • Experience applying secure coding and application-security principles, including OWASP, and configuring vulnerability scanning using tools like Sonar, JFrog Xray, and Veracode.
  • Bachelor’s or master’s degree in Computer Science, or equivalent experience (preferred).

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