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 - Java/Python/Go
Overview:
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.
Role
• Lead the modernization of platforms especially related to Fraud Rules/Engines and proven experience in large-scale migrations• 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. • Can write high quality, secure and clean code in multiple programming languages (e.g., Go, Python, Java)• 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
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.
Skills Required
- Bachelor's degree in Information Technology, Computer Science, or extensive work experience
- Proven ability to write high quality, secure, clean code in multiple languages (Go, Python, Java)
- 8+ years hands-on software development experience and microservices architecture
- Experience with Fraud Rule Engines and large-scale migrations
- Familiarity with DevOps and IT operations best practices
- Experience building and operating scalable global platforms with high throughput, low latency, and high availability
- Demonstrated technical leadership, mentoring, and team development experience
- Strong verbal and written communication and collaboration skills
- Expert-level knowledge of software development processes and experience with one or more Application Lifecycle Management (ALM) tools
- Extensive experience with databases: relational and NoSQL
- Understanding of loosely coupled, stateless systems, performance tuning, designing for failure, and automation
- Current understanding of best practices regarding application and system security
- Familiarity with AI technologies relevant to fraud (Gen AI, LLMs)
- Experience with declarative paradigms and functional programming
- Financial/Banking domain experience
Mastercard Compensation & Benefits Highlights
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Retirement Support — Company information highlights a 10% retirement match on U.S. roles, positioned as best‑in‑class and well above typical large‑employer benchmarks. This level of employer contribution materially strengthens long‑term savings.
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Leave & Time Off Breadth — U.S. postings list 25 vacation days, 5 personal days, 10 company holidays, 80 hours of paid sick/safe time, and up to 20 days of bereavement. A minimum of 16 weeks paid new‑parent leave (including adoption and foster) further expands paid time away.
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Parental & Family Support — Benefits include a minimum of 16 weeks paid new‑parent leave and family‑building support such as fertility, adoption, and surrogacy where legally available. Dependent scholarships, counseling, and protection benefits contribute additional family support.
Mastercard Insights
What We Do
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient 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.
Why Work With Us
We live the Mastercard Way: creating value in the communities we touch, growing together through the opportunities we see, and moving fast to innovate and scale. Our collaborative culture and our passionate people are the key to what we do, driving meaningful change as one team and connecting everyone to priceless possibilities.
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Hybrid Workspace
Employees engage in a combination of remote and on-site work.
In our ongoing workplace evolution, we’ve introduced hybrid work, Work-From-Elsewhere Weeks and Meeting-Free Days.















