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Added 2 months ago
C
Senior Full Stack Developer
CGI
Toronto, ON
- Full-time
…microservices, and business logic using modern frameworks (such as Java Spring Boot, .NET 8 / ASP.NET Core, Node.js/NestJS, Python FastAPI, or…
Added 2 months ago
IC
Full Stack Developer
Infoya Career Connect
Vancouver, BC · Ottawa, ON · Toronto, ON · Waterloo, ON · Montreal, QC · ON
- $85,000 to $115,000 CAD / year
- Full-time
Optimize application performance, security, and scalability
Added 2 months ago
M
Automation Engineer
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
Knowledge of programming languages (Python, C#, SQL, C++, Java, VB (.NET), etc.) is an asset
Added 2 months ago
SD
DevOps Engineer - Senior
Symbiotic Digital
ON · Downtown Toronto (CN Tower / King and Spadina / Railway Lands / Harbourfront West / Bathurst Quay / South Niagara / YTZ), Ontario
- Contract
proficiency in scripting languages such as Python, Bash, Java, JavaScript,
Added 2 months ago
F
Senior Software Engineer (AI & Full Stack)
Fable
Canada
- Full-time
Take accountability for solution quality, maintainability, security, scalability, and operational excellence.
Added 2 months ago
PF
Senior Test Automation Engineer
PureFacts Financial Solutions
Toronto, ON
- $100,000 to $120,000 CAD / year
Design, develop, and maintain scalable automation frameworks using Java, Python, and Playwright.
Added 2 months ago
Business Consultant - KYC & Client Lifecycle Management
NTT DATA Services
Toronto, ON
…ideal candidate will have extensive experience in Fenergo, Java/Spring Boot, Microservices, Python, React JS, cloud platforms, and modern DevOps…
Added 2 months ago
MS
Lead Workplace Engineering Specialist - Enterprise Content & Survey Solutions (Hybrid)
Morgan Stanley
Montreal, QC
- Full-time
10+ years of application development experience and skilled with one or more development languages such as .NET/C#, Python, Java, PowerShell, shell scripting,
Added 2 months ago
L
Overseas Contractor- Tandem Java
LTM
ON · Ontario, Canada
- $65 to $75 USD / hour
- Full-time
Develop and maintain utilities scripts and automation solutions using Java and Python within the OSS environment
Added 2 months ago
U
Senior Full Stack Engineer
UST
Toronto, ON
- Full-time
Back‑End Experience: Intermediate to advanced experience with Java or Node.js in distributed application environments.
Added 2 months ago
S
Software Engineer II - Agentic AI Foundations
Socure
Toronto, ON
- $135,000 to $175,000 CAD / year
- Full-time
Proficiency in at least one modern backend programming language and ecosystem, such as Java, Go, Python, or similar, with comfort working with cloud-native infrastructure, APIs, and data…
Added 2 months ago
TG
AI & ML Developer Intern
Trench Group GmbH
Toronto, ON
- $22 to $30 CAD / hour
in programming languages such as Python, JavaScript, or Java.
Added 1 month ago
OT
Technical Architect
Open Text Corporation
Waterloo, ON
- Other
4+ years of Java / Python development coupled with REST and SOAP Frameworks.
Added 2 months ago
T
Senior Information Security Analyst (Secure Code Review)
TD
Toronto, ON
- Full-time
Experience in detecting, analysing and providing recommendation guidance on security vulnerabilities in at least two of the following languages: Java, C#, PHP, Python, Perl, C/C++ , SQL, >
Added 2 months ago
M
Senior Software Engineer - Brokerage Platform
moomoo
Remote, Canada
- Full-time
- Remote
Strong backend software development experience in one or more major programming languages such as Java, C++, Go, Python or similar languages.
Added 2 months ago
U
Gestionnaire de développement de logiciels / Mgr. Software Development
UKG
Montreal, QC
- Full-time
Added 2 months ago
RB
Staff Engineer – Software Development, Architecture, Security & Governance
Royal Bank of Canada
Toronto, ON
- Full-time
Strong proficiency in Python and/or experience in additional languages such as NodeJS, Java, or C++.
Added 2 months ago
BS
Full Stack Developer
Birdseye Security Solutions
Mississauga, ON
- Full-time
This needs to be an AI-native developer. We are not looking for someone who has merely tried ChatGPT, Copilot, or Claude. You should have fundamentally changed how you develop software…
Added 2 months ago
R
Staff Engineer – Software Development, Architecture, Security & Governance
RBC
Toronto, ON
- Full-time
Strong proficiency in Python and/or experience in additional languages such as NodeJS, Java, or C++.
Added 3 months ago
GT
Senior Software Developer
GeoSpectrum Technologies, Inc
Dartmouth, NS
- Full-time
String proficiency in the C++ (17-23) and Python (3.0-3.14) programming, or equivalent experience with other object-oriented (OOP) languages such as Java or C#.NET
Added 1 month ago
Senior Application Security Engineer
TripleLift
Toronto, ON
Experience conducting security code reviews across various programming languages (e.g., Python, Java, TypeScript, Go).
Added 2 months ago
C
Database developer Smartstream TLM SME Senior Programmer Assistant Vice President
Citi
Mississauga, ON
- Full-time
…participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to…
Added 2 months ago
Senior Full Stack API Engineer
Questrade Financial Group
Toronto, ON
…the gap between frontend user experience (building self-serve developer portals and SDKs) and backend systems engineering (API gateways, security protocols, and high-performance…
Added 2 months ago
M
Senior Software Engineer
Mastercard
Vancouver, BC
- Full-time
Strong software engineering experience with Java and modern application development practices.
Added 2 months ago
Software Development Engineer II, Campaign Management
Amazon
Toronto, ON
- Proficiency in at least one widely-used typed, OO language (e.g. Java, C#, Python)

Mastercard

Senior Software Engineer

Vancouver, BC, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Aug 11, 2026

Original job description

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 EngineerOverview:

The Decision Management Program (DMP) team is looking for a Senior Software Engineer to support the Authorization Decisioning product and help deliver highly scalable, secure, and reliable solutions across Mastercard's global payments network.

Authorization Decisioning combines the power of Mastercard's Decision Management Platform with real-time authorization data to enable intelligent decisioning at scale. The team is focused on building high-quality products that transform transaction intelligence into immediate operational action for customers around the world.

This role is primarily focused on Quality Engineering, with an approximate allocation of 70% Quality Engineering and Test Automation responsibilities and 30% software development responsibilities. The successful candidate will drive quality through automation-first practices while contributing to the design, development, and delivery of scalable backend services and platform capabilities.

Role:

As a Senior Software Engineer, you will:

• Design and implement automated test frameworks and reusable test suites.
• Develop and execute functional, integration, API, regression, end-to-end, and performance tests.
• Participate in requirements reviews, story grooming, and sprint planning activities.
• Define and document test strategies, test plans, and acceptance criteria.
• Collaborate with developers to identify, troubleshoot, and resolve defects.
• Integrate automated tests into CI/CD pipelines.
• Analyze test results and provide quality metrics and recommendations.
• Ensure software meets business, security, scalability, and performance requirements.
• Drive continuous improvement of testing processes, tools, and methodologies.
• Mentor junior engineers and promote quality engineering best practices.
• Participate in release validation, deployment verification, and production readiness activities.

All About You:

• Bachelor's degree in Computer Science, Engineering, Information Technology, or related field.
• Strong software engineering experience with Java and modern application development practices.
• Experience developing applications and services using Spring Boot and API-driven architectures.
• Strong programming skills in Java, Python, C#, JavaScript, or similar languages.
• Experience with automated testing frameworks such as Selenium, RestAssured, JUnit/TestNG and Cucumber/JBehave/Karate
• Experience testing REST APIs and microservices.
• Knowledge of Agile/Scrum development methodologies.
• Familiarity with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
• Experience using source control systems such as Git.
• Strong analytical, debugging, and problem-solving skills.

Preferred Qualifications:

• Experience with cloud-native architectures and modern observability platforms.
• Knowledge of secure coding practices and software quality metrics.
• Experience mentoring engineers and influencing quality standards across teams.
• Experience supporting highly available, mission-critical platforms within regulated environments.
• Experience with security and compliance testing.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.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program.

Pay Ranges

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

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More about this job

Responsibilities

The Senior Software Engineer will design and implement automated test frameworks while contributing to the development of scalable backend services. The role involves collaborating with cross-functional teams to ensure high-quality, secure, and reliable software delivery through continuous integration and testing practices.

Requirements

Candidates must have a bachelor's degree in a technical field and strong experience with Java and modern application development practices. Proficiency in automated testing frameworks, API-driven architectures, and CI/CD tools is required for this position.

Skills

Java
Python
C#
JavaScript
Spring Boot
API Development
Test Automation
Selenium
RestAssured
JUnit
TestNG
Cucumber
CI/CD
Jenkins
Git
Microservices

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Quality Engineering
Test Automation
Java
Python
C#
JavaScript
Spring Boot
API
Microservices
Selenium
RestAssured
JUnit
TestNG
Cucumber
CI/CD
Jenkins
GitHub Actions
Git
Agile
Scrum
Cloud-native
Observability
Secure Coding
Authorization Decisioning
Payments Network
Backend Services
Performance Testing
Regression Testing
Integration Testing

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