Senior Software Engineer

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 Senior 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 Dual Message Authorization team is looking for a Lead Software Engineer (Testing) to drive our customer experience strategy forward by consistently innovating and problem-solving. The ideal candidate is passionate about the customer experience journey, highly motivated, intellectually curious, analytical, and possesses an quality driven mindset.  Role In this position, You will: • be an individual contributor with advanced knowledge within discipline, leading a segment of several initiatives or a larger initiative, or may formally supervise a small team • Adheres to and implements enterprise quality standards, processes and tools, and develops and implements build control strategies or QA tools/processes • Interacts with business and development teams to define test plans and schedules • Translates complex system requirements and specs into test requirements and testing methods • Identifies and implements more complex automation efforts. • Participates in requirements review and testing activities; monitors resolutions and retains documentation  • Mentoring the team • Work with software developers and domain experts in designing, performing, and improving verification tests  • Work collaboratively and effectively in a very fast paced environment. • Identify early defects to improve quality of the products • Follow the SDLC and STLC process with quality management and Agile tools like ALM • Proactively monitor customer insights and production issues to seek quality feedback and improve processes to enhance quality of the product/capability. • Play a crucial part in helping drive Quality to help build and ship better products. All About You • Working knowledge on Card Payment systems. [Must] • Working knowledge of payment simulation tools such as T3/similar or and ISO payment protocols (8583) & (20022) (must) [Must] • Working knowledge /Experience on different card platforms/Switch  • Strong understanding of Mastercard/Visa transaction flows and payment network processing. • Experience validating ISO 8583 Data Elements (DE3, DE32, DE42, DE43, DE48, DE61, DE63, etc.)[Must] • Knowledge of authorization systems, payment switches, issuer/acquirer flows, and transaction routing concepts[Must] • Ability to perform impact analysis, regression assessment, and release validation for complex payment enhancements. • Experience participating in requirement reviews, acceptance criteria validation, and defect triage discussions [Must] • Strong analytical mindset with a quality-first approach to software deliv