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 Ethoca team, a Mastercard company is looking for a Senior Software Engineer 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 entrepreneurial mindset.
Role • Design, develop, test, implement, and maintain secure, scalable software aligned with Mastercard standards.• Build new products and features within an agile team, delivering on time and within budget.• Research and evaluate technical solutions and emerging technologies to meet evolving business needs.• Contribute to architectural decisions and recommend technologies that balance technical and business goals.• Perform feasibility studies, logic designs, systems flowcharting, and input-output/cost/time analysis.• Document software according to development best practices and Mastercard QA standards.• Provide technical guidance, mentorship, and support to junior engineers.• Participate in production incident management and on-call rotation.• Lead or host internal technology knowledge-sharing sessions (e.g., Brown Bags).• Drive continuous improvement in development processes, code quality, and engineering efficiency.• Stay current on modern web technologies through self-learning, blogs, meetups, and conferences.
All About You • Master's or bachelor's degree in computer science. • Strong expertise with Java (17+), JVM, Spring ecosystem, REST APIs, Angular, and Bootstrap.• Hands-on experience with cloud-native development (Azure preferred), Linux VMs, and distributed systems.• Deep knowledge of NoSQL/modern databases (CosmosDB, Postgres) and big data/ETL tools (Avro, Parquet, Spark, Databricks).• Familiar with CI/CD, IaC, automation, TDD, DevOps, and tools such as Jenkins and IntelliJ/Eclipse.• Effective collaborator in cross-functional, matrixed, and geographically distributed teams.• Demonstrates strong ownership and accountability, consistently delivering high-quality, reliable solutions.• Prioritizes quality, security, and scalability in every build.• Brings energy, innovation, and a commitment to excellence that helps Ethoca and Mastercard scale to new heights.
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 [email protected] 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. This posting reflects one or more current openings on our team.
Pay Ranges
Toronto, Canada: $111,000 - $160,000 CAD