Senior Software Engineer (C++)

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 (C++)

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. Platform leverage insights from historical data, merchant relation graph, consumer profiling, advanced machine learning models, business rules and & AI inferening engines to deliver real time decisions at global scale.

We are looking for a Senior Software Development Engineer to join our DMP team in Vancouver office.

• Are you a strong technical engineer with experience working on high performance applications?
• Are you a 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?
• Are you passionate about making a difference in this world?
• Do you want to be part of a team which helps prevent fraud on every Mastercard transaction in this world?

Role
• Architect, design and develop enterprise-grade software solutions.
• Identify opportunities and build roadmaps to enhance primary service/function.
Commitment to engineering excellence, including:
• Writing well‑designed, testable, maintainable, and secure code
• Automating and simplifying development and delivery workflows
• Participating in and driving blameless postmortems to identify root causes and apply learnings
• Mentor or guide less experienced engineers.

All About You
• Strong programming skills in modern C++, with a track record of writing high‑performance, reliable, and maintainable code.
• Experience building performance‑critical and real‑time systems, with a deep understanding of scalability, latency, throughput, and reliability tradeoffs.
• Proven ability to design and implement high‑throughput data pipelines, including instrumentation and live performance monitoring.
• Solid understanding of distributed systems and microservice architectures, including service‑to‑service communication patterns (REST, gRPC, streaming).
• Strong knowledge of secure coding practices and secure communications (TLS/SSL, mTLS, HTTPS), with familiarity SDLC principles.

Bonus Points…
• Hands‑on experience with Rust programming languages and its integration with C++ APIs.
• Cloud‑native development experience, preferably on AWS.
• Experience integrating native services with other languages, including: Java (JNI) Python (ctypes, pybind11)
• Hands‑on experience designing and maintaining CI/CD pipelines to support reliable and repeatable software delivery.
• Familiarity with ML/AI methods, methematics and statistics.

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 Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program.

Pay Ranges

Vancouver, Canada: $91,000 - $140,000 CAD