Senior Technical Lead

Job Summary

Job Title:

Lead Software Engineer (Full-Stack - Java, React, AI)
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. Overview
• The Decision Management program enables intelligent decision-based products through streaming analytics with the ability to govern these decisions and manage their outcomes with business agility.
• This program leverages business rules & AI engines, a streaming big data cluster, an in-memory data grids, APIs, & UIs to deliver real time decisions at global scale We are looking for a Senior Software Engineer to join our DMP team for the Decision Operations product in Vancouver office.
• Are you a technical programmer with experience working on high performance applications?
• Are you excited about getting a 360 degree view of the coding world - writing code to develop a piece of code as well as write code to test it?
• Do you want to be part of a team which helps prevent fraud on every Mastercard transaction in this world? Role Own end-to-end software delivery responsibilities including solution design, development, testing, deployment, production support, documentation, configuration management, and operational excellence at the application and software component level.

Develop and maintain modern full-stack applications using React, Type Script, Java/Spring Boot, REST APIs, microservices, and cloud-native architectures, delivering scalable and resilient solutions.

Design and build responsive, component-based front-end applications using modern React frameworks and tooling such as Vite, React Router, Zustand/Redux, Material UI, Tailwind CSS, and ShadCN UI.Develop AI-powered applications leveraging Generative AI, Agentic AI patterns, Retrieval Augmented Generation (RAG), Vector Databases, Prompt Engineering, and LLM integrations.

Design, implement, and integrate Model Context Protocol (MCP) Servers and MCP Clients to enable AI agents and applications to securely discover, orchestrate, and invoke enterprise tools, APIs, knowledge sources, and business workflows.

Develop and integrate AI tool ecosystems using MCP frameworks, enabling seamless connectivity to enterprise systems, custom services, databases, APIs, collaboration platforms, and third-party tools.

Participate actively in all Scrum ceremonies following SAFe Agile methodologies, contributing to planning, estimation, execution, retrospectives, and continuous improvement initiatives.

Drive architecture, code, design, and technology trade-off discussions within the team and provide technical leadership for complex engineering challenges.

Champion engineering excellence through adoption of coding standards, design patterns, AI-assisted development practices, Dev Sec Ops  principles, test automation, and reusable frameworks.

Perform peer reviews of code, test automation, AI integrations, MCP implementations, and architectural designs to ensure maintainability, scalability, security, and performance.

Develop deep understanding of end-to-end system architecture, platform dependencies, AI ecosystem integrations, and enterprise application workflows.

Mentor and guide junior…