Principal Software Engineer

Mastercard

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
O Fallon, IL
Salary
$170,000–$281,000 / yr
Posted
22 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $204k
This role $226k
$126k most similar roles pay here $298k

This role pays more than 72% of similar roles. Most pay $177,187–$231,000 — the shaded band above. At the midpoint, this role pays about $226k versus about $204k 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 128 open roles on FindRole.

Listed pay typically runs $122,000–$207,000 across 114 roles with salary data.

Most-posted roles

View all roles at Mastercard

At a glance

TL;DR · Principal Software Engineer

As a Principal Software Engineer within the Consumer Authentication Solutions team, you will serve as a distinguished technical leader shaping the architecture and long-term strategy for critical authentication platforms. You will design highly scalable, resilient, distributed systems to protect global payment transactions while establishing engineering standards across multiple teams. Your daily work involves solving complex architectural challenges, driving cloud-native and event-driven evolutions, and mentoring senior engineers to improve organizational capability. You will utilize a technical stack including Java, Spring Boot, REST APIs, gRPC, Kubernetes, Docker, Kafka, NATS, and MQ. The role focuses on the core problem of building secure, high-availability infrastructure for authentication services like EMV 3DS and risk-based authentication. You must possess expertise in microservices, Domain-Driven Design, and performance engineering to ensure operational excellence across the global payment ecosystem.

What does a Software Engineer earn in Illinois?

Median $161972 from 68 postings across 23 companies.

See salary data

What you'll do

  • Define and drive the long-term technical vision for critical authentication and identity platforms.
  • Design highly scalable, resilient, and distributed systems to support global payment services.
  • Establish engineering standards, reference architectures, and design patterns across multiple product teams.
  • Make strategic technology decisions regarding performance, security, and operational excellence.
  • Drive the architectural evolution toward cloud-native, event-driven, and service-oriented solutions.
  • Lead design reviews for major programs to provide guidance on technical tradeoffs and risk mitigation.
  • Mentor senior engineers and lead engineers to improve organizational engineering capabilities.
  • Represent engineering strategy and architectural recommendations to senior leadership and executive stakeholders.

What we're looking for

  • Bachelor's degree in Computer Science, Engineering, Information Technology, or a related technical field.
  • Proven track record as a technical expert leading large-scale software engineering initiatives.
  • Deep expertise in distributed systems architecture, microservices, Domain-Driven Design, and enterprise application development.
  • Hands-on experience with Java, Spring Boot, REST APIs, gRPC, and modern application frameworks.
  • Experience building cloud-native platforms using Kubernetes, Docker, and enterprise cloud technologies.
  • Expertise in event-driven architectures and messaging technologies like Kafka, NATS, and MQ.
  • Strong understanding of performance engineering, system scalability, reliability patterns, and security controls.
  • Experience in payments, fintech, digital identity, or high-scale transaction processing (preferred).

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