Title & Summary

Senior Software Engineer

Overview

Ethoca, a Mastercard company, is seeking a Senior Software Development Engineer to join our team. We aim to reinvent the way global merchants and issuers combat fraud through collaboration, driving innovation in the e-commerce landscape. Our mission aligns with Mastercard’s goal to connect and power an inclusive digital economy by making transactions safe, simple, smart, and accessible.

About The Role

- 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.

All About You

- Bachelor’s degree in Computer Science, Information Technology, or equivalent experience.
- Strong foundation in software engineering principles and methodologies.
- 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 contemporary 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).
- 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.

Equal Opportunity Employer

Mastercard is a merit‑based, inclusive, equal‑opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disability, veteran status, or any other characteristic protected by law. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting.

Corporate Security Responsibility

- 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.
- Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Pay Ranges

Toronto, Canada: $111,000 – $160,000 CAD

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📌 Senior Software Engineer (Toronto)
🏢 Mastercard
📍 Toronto