Senior Software Engineer - MasterCard

Our Purpose We work 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. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results. Title and Summary Senior Software Engineer Overview: Mastercard’s Test & Learn team is seeking a Senior Software Engineer to drive the growth of our platform and address the significant challenges of the future. In this role, you will contribute to frontend, backend, and analytical code, to scale existing analytical tools and develop new methodologies for our expanding customer base. The Test & Learn team within Mastercard's Services organization aims to build industry-leading business experimentation software that brings sophisticated analytic techniques to business users around the world. We are rapidly expanding our product offerings and innovating on how we deliver Test & Learn solutions to our clients. Engineers work in small, flexible teams. Every team member contributes to designing, building, and testing features. There are no rigid organizational structures, and each team uses processes that work best for team members and projects. Role: • Develop and enhance features that enable some of the world's largest organizations to make multi-million-dollar decisions. • Lead the charge in pushing the boundaries of analytics, developing powerful, scalable applications. • Collaborate with cross-functional teams of exceptional peers who are passionate about driving innovation. • Mentor and provide guidance to junior engineers, fostering a culture of continuous learning and growth. • Design, implement, and maintain highly efficient and reliable code that scales with increasing user demands. • Design components by translating product requirements, break down project into tasks and provide accurate estimates. • Identify and resolve performance bottlenecks in large-scale systems to ensure high availability and performance. • Independently diagnose and resolve complex issues, ensuring the stability and performance of our systems. • Contribute to architectural decisions that improve system reliability, security, and scalability. • Engage with product managers to understand customer needs and translate them into impactful software features. • Conduct thorough code reviews, providing constructive feedback to maintain high code quality and best practices. • Stay up to date with the latest industry trends, bringing innovative ideas to the team to improve our technology stack. • Play a key role in defining and improving development processes to optimize productivity and software quality. All About You: • Extensive experience as a full-stack Software Engineer or Software Developer. • Expertise in one or more programming languages/technology stacks. Our tech stack primarily includes .NET, TypeScript/React, and SQL, and deep expertise in at least one of these is ideal. • Proficiency in advanced object-oriented programming & design principles, clean code practices, refactoring, microservice development, and databases. • Ability to understand, extend, and improve upon existing architectural patterns on both the frontend and backend. • Strong application development skills, with the ability to translate customer needs into valuable features. • Experience in system design and solving complex engineering challenges. • Experience with API development or integration is a plus. • Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience. • Excellent verbal and written communication skills, with the ability to articulate complex ideas clearly and concisely to both technical and non-technical stakeholders. • Strong analytical and problem-solving abilities, with a focus on improving processes to accelerate delivery, foster innovation, reduce costs, and improve quality. #LI-NF1 Mastercard is an 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. 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 based on location, experience and other qualifications for the role and may be eligible for an annual bonus or commissions depending on the role. 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 new parent leave, up to 20 paid days bereavement leave), 10 annual paid sick days, 10 or more annual paid vacation days based on level, 5 personal days, 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, gender-inclusive benefits and many more. Pay Ranges Arlington, Virginia: $132,000 - $212,000 USD Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.