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About the Role

Ethoca, a Mastercard company, is seeking a Senior Software Development Engineer to join our team. This role is part of an innovator changing the e-commerce landscape and reinventing how global merchants and issuers combat fraud through collaboration. We welcome challengers and thought leaders who are agile, creative risk-takers that can address challenges with an open mind, innovate freely, and deliver impactful solutions. Ethoca’s growth is explosive, and only great problem-solvers, collaborators, and thinkers can help us take it to the next level.

Responsibilities

Design, develop, test, implement, and maintain high-quality, secure, and scalable software solutions in adherence with Mastercard standards and best practices.
Work as part of an agile team to build new products and features, ensuring timely delivery within budget.
Research and evaluate technical solution alternatives for evolving business needs and emerging technologies.
Contribute to architectural decisions and make technology recommendations that balance business goals and technical requirements.
Perform feasibility studies, logic designs, and detailed systems flowcharting; analyze input-output flow, cost, and time implications.
Document software programs per Software Development Best Practices and follow Mastercard Quality Assurance processes.
Provide technical guidance, mentoring, and support to junior team members.
Participate in production incident management and on-call rotation.
Host technology education sessions (e.g., Brown Bag sessions) to share knowledge across the organization.
Continuously improve development practices, code quality, and process efficiency.
Stay current with new web technologies through self-study, blogs, meetups, and conferences.

Requirements

Bachelor’s degree in Computer Science, Information Technology, or equivalent experience.
Strong foundation in software engineering principles and methodologies.
Collaborative team player with cross-functional experience in global, matrixed environments.
Curious, adaptive, and passionate about continuous learning and innovation.
Committed to quality, security, scalability, and delivering high-impact solutions.
Encourages teamwork and supports others’ growth while maintaining ownership and accountability.

Skills

Expert with Java 17+, JVM, and Spring framework.
Hands-on experience in Cloud-Native Development (Azure preferred), Linux, and distributed systems.
Skilled in building REST APIs and SPAs using Java, Spring, Angular, and Bootstrap.
Proficient with modern databases (Azure CosmosDB, Postgres) for low-latency, high-throughput APIs.
Experience with Big Data, ETL pipelines, and tools like Avro, Parquet, Spark, Databricks.
Familiar with CI/CD, automation, Infrastructure as Code, and DevOps practices.
Strong focus on Test-Driven Development and scalable, high-availability systems.
Knowledge of tools like Jenkins, IntelliJ/Eclipse, and agile frameworks (Scrum, Kanban).

Location

Toronto, Canada

Work Type

Full-time

Experience Level

Senior

Education Level

Bachelor's degree in Computer Science, Information Technology, or equivalent experience.

Salary/Compensations

$111,000 - $160,000 CAD

About the Company

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.
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 help individuals, financial institutions, governments, and businesses realize their greatest potential.
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.

Equal Opportunity

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.
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.