Mastercard Logo

Mastercard

Senior Software Engineer

Job Posted 22 Days Ago Posted 22 Days Ago
Be an Early Applicant
Toronto, ON
Senior level
Toronto, ON
Senior level
Design, develop, and maintain scalable code and applications, ensuring high performance and system reliability while collaborating with teams to enhance software solutions.
The summary above was generated by AI

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
Mastercard Security Solutions develops and delivers world-class risk, security
products, and services for Mastercard customers across the globe. As part of this organization, the Strategic Data Acquisitions team is responsible for:
Providing Risk analytics data and insights to Mastercard and its worldwide
customers. Maintenance of existing and development of new risk solutions and monitoring data driven products/services.
The RiskRecon team is looking for a Senior Software Engineer to lead and help a team in designing, developing, and delivering risk assessment software solutions with a high level of innovation as well as integrations in support of Mastercard and its customers. The challenge is to create a high-performing platform, compelling visualizations, and intuitive workflows that allow users to derive insights and in turn protect their assets.
Role
• Design, develop, and maintain high-performance, scalable, and reusable code.
• Enhance existing solutions and build new full-stack applications that drive business value.
• Own the full software development lifecycle—from gathering requirements and designing solutions to implementation, testing, deployment, and maintenance.
• Create high-quality technical documentation, including requirements specifications, use cases, test strategies, performance benchmarks, deployment plans, and feasibility studies.
• Troubleshoot and resolve production issues, ensuring system stability and reliability.
• Collaborate closely with Quality Assurance engineers to ensure comprehensive test coverage, including unit, integration, system, and performance testing.
• Continuously seek opportunities to improve system performance, security, and user experience.
All About You
• Strong Python experience with the ability to quickly learn new programming languages.
• Familiarity with Elixir, React/JavaScript, HTML, CSS, AWS, and Terraform is a plus.
• Hands-on experience with Docker and containerized applications.
• Knowledge of databases and technologies like PostgreSQL, MongoDB, Elasticsearch, Kubernetes, and Kafka.
• Strong grasp of software engineering principles and agile methodologies.
• Experience developing large-scale, secure web applications in a fast-paced environment.
• Excellent communication skills and a proactive, problem-solving mindset.
• Bachelor’s degree in Computer Science or equivalent experience
#LI-FT1

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.




Top Skills

AWS
CSS
Docker
Elasticsearch
Elixir
HTML
JavaScript
Kafka
Kubernetes
MongoDB
Postgres
Python
React
Terraform

Similar Jobs

Yesterday
Easy Apply
Hybrid
Mississauga, ON, CAN
Easy Apply
Senior level
Senior level
Artificial Intelligence • eCommerce • Information Technology • Mobile • Payments • App development • Utilities
Responsible for designing and implementing software systems, modifying existing systems, collaborating with teams, and mentoring engineers, while engaging in the full software development lifecycle.
Top Skills: .Net CoreAsp.NetAzure CloudC#Cosmos DbCSSDockerHTMLJavaScriptMicrosoft PowerbiMs Sql ServerMvcReactReduxSQLTypescript
Senior level
Automotive • Big Data • Information Technology • Robotics • Software • Transportation • Manufacturing
The Senior Software Developer will design and implement control algorithms for vehicle dynamics, collaborating with stakeholders, leading projects, and ensuring software quality standards are met.
Top Skills: Automotive EthernetCCanEtasGitIncaJIRALinMatlabSimulinkSpiVehicle Spy
2 Days Ago
Toronto, ON, CAN
Senior level
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
As a Senior Engineer, you will develop scalable features for Toast's Android applications, collaborate with various teams, mentor others, and ensure quality through testing.
Top Skills: AndroidDaggerJavaKotlin

What you need to know about the Toronto Tech Scene

Although home to some of the biggest names in tech, including Google, Microsoft and Amazon, Toronto has established itself as one of the largest startup ecosystems in the world. And with over 2,000 startups — more than 30 percent of the country's total startups — Toronto continues to attract new businesses. Be it helping entrepreneurs manage their finances, simplifying business operations by automating payroll or assisting pharmaceutical companies in launching new drugs, the city's tech scene is just getting started.
By clicking Apply you agree to share your profile information with the hiring company.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account