Mastercard

Lead Software Engineer

O'Fallon, Missouri Full time

Our Purpose

Mastercard 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. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Lead Software Engineer

Who is Mastercard?
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.

Overview
The Business Rules Engineering & Strategy team is looking for a Lead Software Engineer to drive forth our mission of building robust IBM ODM Rule solutions that provide transaction level decisioning, alerting and notifications. Business Rules embed intelligence into the transactional cycle by leveraging scoring models, cohesive rule strategies and behavioral data, and when combined with our agile rule development & deployment capabilities, results in a competitive advantage for all stakeholders, in the entire payment ecosystem.

Role
• Lead Rule Architect/Developer who will be responsible for producing fraud decision management technology solutions in support of multiple business units.
• Collaborate, influence and work with cross functional teams to understand the requirements, identify solutions and provide technical thought leadership
• Ensure project implementation(s) are compliant with solution architectural design, established architectural patterns (where applicable), policies, standards, and best practices
• Ensure that solution architectural designs are aligned with business needs, infrastructure capabilities, and security & compliance requirements
• Drive a culture of engineering excellence - Leading software development projects, especially at an early stage (PoC, Pilot)
• Assist with project scoping, sizing, prioritizing, planning, and estimation
• Mentor development team on industry best practices
• Familiarity with AI technologies like Gen AI, LLMs relevant to Fraud Rules
• Hands on experience implementing design patterns and using multiple programming languages. 
• Experience building and operating scalable global platforms with high throughput, low latency with 5 9’s availability

All About You
• Minimum bachelor’s degree in information technology, Computer Science or extensive work experience.
• Hands-on Rule strategy development experience.
• Hands-on Software development experience. 8+ years in Software and micro-services architecture. Familiar with dev ops and IT Operations best practices.
• Strategic Leader who has expertise with Fraud Rule Engines and proven experience in large-scale migrations
• Be a bar raiser with working experience across a variety of languages and frameworks, love declarative paradigm and functional programming
• Hands-on technical leader who consistently demonstrates leadership, builds trust, focuses on talent development and inspires the team.
• Must be high-energy, detail-oriented and proactive with the ability to function under pressure in an independent environment.
• Have a passion for continuous learning and enjoy challenging opportunities.
• Strong communication skills – both verbal and written – with strong relationship building, collaborative skills and organizational skills.
• Drives outcomes through strong commitment to timely delivery of key objectives.
• Have strong decision-making skills, lead retrospection and continually improve as a result.
• Must have expert level knowledge of software development processes and be an experienced user of one or more Application Lifecycle Management tools.
• Financial Domain preferable Banking Domain
• Current understanding of best practices regarding application & system security
• Success with producing high quality project design deliverables and documentation
• Extensive experience with databases: Relational & NoSQL
• Understanding of loosely coupled and stateless systems
• Demonstrated track record with highly scalable, distributed systems
• Familiarity with performance tuning, designing for failure & automation

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility


All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard’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 Mastercard’s guidelines.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $140,000 - $231,000 USD