Senior Integration Engineer

Mastercard

Confirmed live today High trust

Quick summary

Work type
On-site
Location
O Fallon, MO
Salary
$96,000–$163,000 / yr
Posted
5 days ago
Freshness
Confirmed live today

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $171k
This role $130k
$83k most similar roles pay here $219k

This role pays less than 80% of similar roles. Most pay $140,487–$200,700 — the shaded band above. At the midpoint, this role pays about $130k versus about $171k 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 136 open roles on FindRole.

Listed pay typically runs $115,000–$191,500 across 122 roles with salary data.

Most-posted roles

View all roles at Mastercard

At a glance

TL;DR · Senior Integration Engineer

As a Senior Integration Engineer on the Pricing & Billing Resource Center team, you will join an organization that develops and operates business-critical, API-driven platforms. This automation-first SDET role focuses on designing, building, and maintaining robust automated test frameworks across API, UI, and performance layers to ensure reliability for high-scale billing and pricing services. You will utilize Java, Selenium, REST Assured, Cucumber, and Cypress to create executable specifications and automate testing. Additionally, you will perform performance, load, and stress testing using JMeter and BlazeMeter while integrating suites into CI/CD pipelines. The role requires expertise in Spring and Spring Boot microservices architectures to validate REST APIs for functional correctness and contract adherence within distributed systems. You will provide technical leadership to ensure quality across the software development lifecycle for mission-critical financial infrastructure.

What you'll do

  • Design and maintain scalable test automation frameworks for API and UI layers using Java, Selenium, and REST Assured.
  • Validate Spring Boot microservices for functional correctness, contract adherence, and error handling.
  • Execute performance, load, and stress tests using JMeter and BlazeMeter to identify system bottlenecks.
  • Integrate automated test suites into CI/CD pipelines to provide rapid feedback and enforce quality gates.
  • Develop executable specifications and BDD frameworks using Cucumber.
  • Provide technical leadership and mentorship to QA and delivery teams regarding testing standards.
  • Create high-quality defect reports with clear diagnostics and reproducible steps for engineering teams.

What we're looking for

  • 6+ years of experience in automation-focused QA or SDET roles.
  • Strong hands-on expertise in Java-based automation frameworks.
  • Deep experience with Selenium, REST Assured, Cucumber, and Cypress.
  • Strong understanding of Spring and Spring Boot microservices architectures.
  • Experience testing RESTful APIs in distributed systems environments.
  • Hands-on experience with performance testing tools like JMeter and BlazeMeter.
  • Solid understanding of CI/CD pipelines and automated test execution.
  • Experience designing or evolving automation frameworks (preferred); familiarity with test design patterns (preferred).

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