Senior Software Engineer

Mastercard

Confirmed live yesterday High trust

Quick summary

Work type: On-site
Location: O Fallon, IL
Salary: $115,000–$184,000 / yr
Posted: 2 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $176k

This role $150k

$101k most similar roles pay here $246k

This role pays less than 74% of similar roles. Most pay $149,500–$202,482 — the shaded band above. At the midpoint, this role pays about $150k versus about $176k 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 123 open roles on FindRole.

Listed pay typically runs $115,000–$187,000 across 109 roles with salary data.

Most-posted roles

View all roles at Mastercard

At a glance

TL;DR · Senior Software Engineer

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Senior Software Engineer As part of the Customer Connect team, the Senior Software Engineer will help position the company as a leader in the real-time payments space by designing, building, and operating technology for domestic, cross-border, and bill payment applications. The role involves owning software delivery tasks including code development, testing, deployment, and documentation while troubleshooting and refactoring existing code to ensure high quality. Key responsibilities include automating build processes, driving integration of services focused on the customer journey, mentoring junior team members, and participating in agile processes. The candidate will work with Java, Python, and Bash to implement large-scale distributed systems using reactive architectures. Required technical skills include experience with Apache Kafka, Apache Flink, OpenTelemetry, CI/CD pipelines, containerization, and infrastructure as code while adhering to secure coding standards like OWASP and CWE.

What does a Software Engineer earn in Illinois?

Median $154600 from 63 postings across 26 companies.

See salary data

Skills

Java Python Bash Apache Kafka Apache Flink OpenTelemetry Infrastructure as Code TDD BDD OOP SOLID 12-factor OWASP Reactive Architecture Distributed Systems

What you'll do

Own software delivery tasks including code development, testing, deployment, configuration, and documentation at the component level.
Troubleshoot and refactor existing code to ensure high quality and performance.
Automate build, operation, and run aspects of software using CI/CD pipelines and containerization.
Drive the integration of services focused on improving the customer journey and experience.
Review team members' coding, testing, and automation work while driving adoption of technology standards.
Mentor and guide less experienced team members to improve overall team productivity.
Develop a comprehensive understanding of end-to-end technical architecture and dependency systems.
Identify opportunities to improve internal processes and reduce waste within the engineering organization.

What we're looking for

Excellent programming skills including OOP, SOLID, and 12-factor principles (Java preferred).
Experience in Continuous Integration (CI) and Delivery (CD) concepts, including automation, pipelines, virtualization, and containerization.
Exposure to Apache Kafka and the stream processing platform Apache Flink.
Strong experience in observability frameworks with hands-on expertise in OpenTelemetry.
Familiarity with secure coding standards such as OWASP, CWE, and SEI CERT.
Ability to write code in Java, Python, or Bash to build repeatable automation tasks.
Skills in test-driven development (TDD) and behavior-driven development (BDD).
Knowledge of infrastructure as code and cloud-first software development (preferred).