Lead Software Engineer-(Python Expertise)

Mastercard; Toronto; On-site; CAD 100,000 - 140,000; Full time

Job summary

Mastercard is seeking a Lead Software Engineer specializing in Python for its RiskRecon team in Toronto. You will be responsible for designing and developing risk assessment software solutions, mentoring a team, and ensuring high-quality standards. Your role will involve full-stack development, fostering innovation, and maintaining scalability across platforms, making a significant impact on Mastercard's mission of creating secure digital payments.

Qualifications

• Extensive experience in both front-end and back-end technologies.
• Experience with cloud technologies and best practices.
• Proven ability to develop secure and scalable web applications.

Responsibilities

• Design, develop, document, and test software components.
• Drive the software development lifecycle from requirements to deployment.
• Lead and mentor a team of software engineers.

Skills

Full-Stack Development

Proficiency in Python

React

JavaScript

Docker

Kubernetes

Education

Bachelor’s degree in Computer Science

Software Engineering

Tools

AWS

PostgreSQL

MongoDB

Elasticsearch

Kafka

Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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

Lead Software Engineer-(Python Expertise) 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’s RiskRecon team is looking for a Lead Software Engineer to drive the design, development, and delivery of cutting-edge risk assessment software solutions. In this role, you will lead a team in building high-performance platforms, intuitive workflows, and compelling visualizations that empower users to gain insights and protect their assets. Your contributions will support Mastercard and its customers by ensuring secure, scalable, and innovative technology solutions.

Role:
• Design, develop, document, and test software components and subsystems, ensuring maintainability and version control best practices.
• Interpret technical specifications to create scalable, future-ready designs and contribute to project planning.
• Conduct functional and performance testing, enhance existing solutions, and build new full-stack applications.
• Drive the end-to-end software development lifecycle, including requirements gathering, design, implementation, testing, and deployment.
• Work closely with cross-functional teams, provide task estimations, and share expertise in emerging technologies and best practices.
• Lead and mentor a team of software engineers, fostering innovation, maintaining high-quality standards, and ensuring smooth development processes.

All About You:
• Proficiency in Full-Stack Development with extensive experience in both front-end (React, JavaScript, HTML, CSS) and back-end (Python, Node.js, Java, or Elixir) technologies, including API design, database management, and system integration.
• Experience with AWS and cloud technologies, Docker, Kubernetes, and modern data stores (PostgreSQL, MongoDB, Elasticsearch, Kafka).
• Familiarity with best practices in software development, including TDD/BDD, unit testing, CI/CD, and Agile methodologies.
• Solutions-oriented mindset with the ability to identify and implement the best-fit technologies to meet business needs.
• Proven experience in developing large-scale, secure web applications with a focus on performance and scalability.
• Strong communication and leadership skills, with the ability to collaborate in a dynamic, fast-paced environment.
• Demonstrated ability to thrive in an entrepreneurial setting while embodying Mastercard’s core values: trust, partnership, initiative, and agility.
• Bachelor’s degree in computer science, Software Engineering, or a related technical field, or equivalent practical experience.


#LI-FT1
#SecuritySolutions 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 [e-mail] 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.