Lead Software Engineer Network Security

Job Title

Lead Software Engineer

Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Responsible for the analysis, design, development and delivery of software solutions

Defines requirements for new applications and customizations, adhering to standards, processes and best practices

Own complex problems having dependency across services and facilitate cross-functional team interactions to drive resolution

Write code to build and enhance applications/services and promote code‑reviews, code scanning, and other standard development practices to deliver high‑quality artifacts to production.

Define, design, and develop procedures and solutions at a service level to meet the business requirements/enhancements

Drive prioritization decisions and trade‑offs in working with product partners

Identify opportunities and build roadmaps to enhance primary service/function

Automate and simplify all aspects of software delivery and development actively evangelizing the need to automate and simplify where needed.

Drive seamless integration across all connected services to meet end‑user expectations

Drive blameless postmortems culture to identify root causes of incidents and implement learnings

Introduce new technologies and architecture by following enterprise guidelines

Advocate for engineering principles outside of current organization/platform

Provide development and architecture guidance to team members

Build relationships and effective partnerships across organizations

Write and evaluate recommendations for job promotions based on an unbiased view of one's accomplishments

Conduct technical interviews for hiring engineering staff and raising the performance bar

Lead by example with hands‑on approaches to demonstrate engineering excellence

Encourage staff to share and seek knowledge within their Guild/Program to drive reuse of patterns/libraries/practices and enhance productivity

Has ability to write secure code in three or more languages (e.g., Java, JavaScript, C, C++, SQL)

Familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management

Has skills in building applications using open frameworks to achieve reuse and reduce development times (e.g., Spring Boot, Steeltoe, Angular, DXP, others)

Understands internals of operating systems (Windows, Linux) to write interoperable and performant code

Able to perform debugging and troubleshooting to analyze core, heap, thread dumps and remove coding errors

Has skills to document and coach team on the development practices and coding guidelines (e.g., branching, peer reviews, library use, logging, scanning rules, test‑driven development, error handling)

Understands use cases for advanced design patterns (e.g., service‑to‑worker, MVC, API gateway, intercepting filter, dependency injection, lazy loading, all from the gang of four) to implement efficient code

Has skills to undertake a technical review of code across applications and their dependencies to look for anti‑patterns and promote continuous refactoring

Understands and elaborates technical debt and operational issues to drive prioritization discussions with stakeholders to improve the run experience

Understands system architecture to plan for platform and infrastructure capacity (e.g., database, compute, network, storage) and drives the dependency prioritization to reduce the delivery lead time

Has skills to understand customer journeys and ensure a good customer experience by continuously reducing mean time to mitigate (MTTM) for incidents and ensuring high…