Jobs / Mas***

Lead Software Engineer

Mas*** · O'Fallon, MO, United States
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O'Fallon, MO, United States140,000-231,000 USD/yearlyOnsite
Remuneration
140,000-231,000 USD/yearly
Location
O'Fallon, MO, United States
Visa sponsorship
Sponsors visa

Job summary

Our Purpose Mas*** powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible.

Benefits

MastercardFor interns generally include: 56 hours of Paid Sick and Safe Time; jury duty lePay RangesO'Fallon, Missouri: $140,000 - $231,000 USD

Qualifications

  • The Mas*** Developer Workbench, part of the MSBX (Mas*** Software Builder Experience) division, is evolving from a cost-allocation construct into a unified, developer-centric platform.
  • With over 11,500 software engineers across the organization, Mas*** is investing in a dedicated product team to deliver an integrated, end-to-end developer experience.
  • Mentor and provide technical guidance to senior and mid-level engineers on the team.
  • Actively participate in the Software Engineering Guild, sharing technical expertise and promoting standard engineering patterns across the organization.
  • All About You:
  • Extensive background in software engineering, including demonstrated technical leadership on platform, developer tooling, or developer experience (DevEx) products.
  • Track record of leading technical delivery on complex, high-impact initiatives at enterprise scale — coordinating across engineers and workstreams without formal management authority.
  • Deep familiarity with the modern developer tooling ecosystem, including:
  • AI coding assistants: GitHub Copilot, Claude Code, or similar
  • Containerization and desktop dev environments: Docker Desktop, Kubernetes, DevContainers
  • CI/CD and pipeline tooling: GitHub Actions, Jenkins, ArgoCD, or similar
  • Developer portals and inner-source platforms: Backstage, or similar

Responsibilities

  • Abide by Mas***’s security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mas***’s guidelines.
  • The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge,

Skills

CommunicationLeadership

Certifications

GitHub Actions

Degrees

Associate

Industry

AutomotiveEnergyInsurancePublic-sector

Company size

EnterpriseSmb

Security clearance

Confidential

Relocation

Yes