Senior Software Engineer

Senior Software Engineer

Ethoca, a Mastercard company, is seeking a Senior Software Development Engineer to join our team. The role is focused on designing, developing, testing, and maintaining secure, scalable software solutions in line with Mastercard standards and best practices.

• 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.

• 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 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 Dev Ops 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.

Mastercard is a merit‑based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disability, or veteran status. 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 and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email.

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