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Added 11 mins ago
D
Solutions Engineer, Deel HR | North America
Deel
Canada
- Full-time
…works today, Deel combines HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. With AI-powered tools and a fully owned payroll…
Added 11 mins ago
AS
Full Stack Engineer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Apply software engineering best practices, including code review, automated testing, CI/CD, observability, secure development, and performance tuning.
Added 11 mins ago
AS
GenAI Prompt Engineer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Conduct regular testing and performance analysis.
Added 12 mins ago
NS
Application Support Engineer – Akamai, Web Infrastructure & Media Systems
N2P Systems
Toronto, ON
- Full-time
We are seeking an experienced Application Support Engineer with expertise in web infrastructure, production application support, and Akamai content delivery technologies.
Added 26 mins ago
SM
Product Development Engineer
Spin Master
Toronto, ON
- Full-time
…Quality, and Packaging to deliver products that meet strict performance, cost, quality, and scheduling…
Added 26 mins ago
S
Contact Engineer – Hydroconversion
Shell
Scotford, AB
- Full-time
Shell is seeking for Contact Engineer – Hydroconversion to join its team in Scotford.
Added 26 mins ago
T
Google Big Data Platform Engineer II
TD
Toronto, ON
- Full-time
We are seeking a multi-cloud platform engineer with experience in Google Cloud to work across our engineering teams and business partners. The ideal candidate will have previous public…
Added 26 mins ago
Mine Planning Engineer in Training
Suncor Energy
Fort McMurray, AB · Fort Hills
Join our team as a Mine Planning Engineer in Training and play a key role in shaping short-range mine plans that drive safe, efficient, and compliant operations, from design and scheduling…
Added 26 mins ago
C
VP Senior Software Engineer
Citi
Mississauga, ON
- Full-time
Expertise in monitoring, analysing and improving performance of highly distributed, multi-threaded applications
Added 26 mins ago
B
Data Engineer, Fraud Predictive Analytics
BMO
Toronto, ON · FCP
- Full-time
Diagnoses and resolves predictive / analytical model performance issues while monitoring system performance and implementation of efficiency improvements.
Added 34 mins ago
Z
Network Engineer
Zetron
Victoria, BC
- $80,000 to $120,000 CAD / year
- Full-time
Based in Victoria, Canada, the Network Engineer will join our Group Systems team and report to the IT Lead Americas. The role is responsible for the day-to-day delivery, security,…
Added 34 mins ago
B
Project Engineer
Barminco
Dease Lake 9, BC
- Full-time
The Opportunity: Barminco Mining Services Canada Ltd. has an exciting opportunity for a Project Engineer to join our team at the Red Chris Mine in northern British Columbia. Working a FIFO…
Added 38 mins ago
AL
Process Risk Management Management Representative
Air Liquide
Montreal, QC
- Full-time
Candidates must hold a Professional Engineer (P.Eng.) designation from a Canadian provincial regulatory body (such as APEGA or OIQ), or be eligible for registration
Added 38 mins ago
Quality Electrical Engineer
SKF
Calgary, AB
We are seeking a skilled Quality Electrical Engineer to support customer and manufacturing quality for electrical and electronic products. The position is responsible for Customer-return…
Added 38 mins ago
Technical Coordinator, Track
Aecon
Toronto, ON
Education as a civil technologist or engineer are assets candidates with other technical education and exoerience are encouraged to apply.
Added 54 mins ago
PR
Sr Lead-IT Infrastructure Ops (Associate Manager)
Peel Regional Police
Brampton, ON
- $165,396 to $179,322 CAD / year
- Full-time
Establishes performance standards, conducts performance evaluations and provides direct input into hiring, onboarding, discipline, training and career-development decisions for direct and…
Added 54 mins ago
RC
Renewable Energy Engineer (Entry-Level)
Renewable Careers
Toronto, ON
- $80,000 to $110,000 CAD / year
- Full-time
…are expanding our Toronto team and looking for an entry-level engineer who wants to help build Canada's clean energy…
Added 54 mins ago
O
Technical Coordinator, Track
ONxpress
Toronto, ON
- Full-time
Education as a civil technologist or engineer are assets candidates with other technical education and exoerience are encouraged to apply.
Added 54 mins ago
RT
Senior Acoustics & Vibration Engineer
Rang Technologies Inc
Toronto, ON
- $50 to $55 CAD / hour
- Contract
We are looking to hire Sr. Engineer (Acoustics & Vibration) in Montreal, QC / Toronto, ON (Onsite), immediately who has strong experience in cabin acoustic.
Added 54 mins ago
HT
PD Service - Mechanical
Husky Technologies
Bolton, ON
- Full-time
The Service team is a unique team in Development engineering responsible for enhancing the reliability and performance of Husky’s products by resolving systemic service issues. The team is…
Added 54 mins ago
OL
Director of Technical Services
Onion Lake Cree Nation
SK · Onion Lake, SK
- Full-time
Strict adherence to high-performance standards: operating objectively, transparently, and professionally with
Added 54 mins ago
L
EUC Desktop Support Engineer
LTM
ON · Ontario, Canada
- $50,000 to $55,000 USD / year
- Full-time
Implement and maintain EUC desktop engineering solutions ensuring optimal performance security and user experience.
Added 54 mins ago
HT
PD Software for Service
Husky Technologies
Bolton, ON
- Full-time
The Service team is a unique team in Development engineering responsible for enhancing the reliability and performance of Husky’s products by resolving systemic service issues. The team is…
Added 54 mins ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Develop and quantify relationships between package performance, polymer properties, preform design, injection molding, reheating, and stretch blow molding processes.
Added 54 mins ago
TC
Data Engineer - Big Data / PySpark
Tata Consultancy Services
Toronto, ON
- $90,000 to $100,000 CAD / year
- Full-time
An experienced Data Engineer with strong expertise in Big Data technologies to design, develop, and support enterprise-scale data platforms. The ideal candidate should possess hands-on…

Mastercard

Senior Software Engineer

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 23, 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:

Ethoca, a Mastercard company, is transforming the way merchants and card issuers work together to combat fraud and improve the digital commerce experience. We build highly scalable, secure, and resilient technology that powers collaboration across the global payments ecosystem.

We are looking for a Senior Software Engineer who thrives on solving complex technical problems, takes ownership of outcomes, and enjoys building production-grade software that operates at scale. This role is ideal for an engineer who can independently drive initiatives, influence technical decisions, mentor others, and contribute to a culture of engineering excellence.

Mastercard powers an inclusive digital economy by making transactions safe, simple, smart, and accessible. Through secure technology, trusted partnerships, and continuous innovation, we help individuals, businesses, and governments realize their greatest potential.

The Role :

• Design, develop, test, deploy, and maintain high-quality software solutions that meet Mastercard standards for security, reliability, scalability, and operational excellence.
• Independently drive technical initiatives from concept through production, navigating ambiguity, managing dependencies, and delivering measurable business outcomes.
• Collaborate with product, engineering, operations, security, and compliance partners to translate business needs into well-designed technical solutions.
• Contribute to architecture and design decisions for distributed systems, APIs, integrations, and platform capabilities, balancing business priorities with long-term maintainability.
• Own software services throughout their lifecycle, including implementation, deployment, monitoring, incident response, and continuous improvement.
• Troubleshoot complex application and production issues using logs, metrics, traces, debugging tools, and systematic root cause analysis techniques.
• Participate in on-call support, incident reviews, and operational readiness activities while driving improvements that enhance reliability and reduce operational toil.
• Apply secure-by-design and privacy-conscious engineering practices when working with sensitive financial and consumer data.
• Foster engineering excellence through code reviews, technical mentoring, knowledge sharing, and promotion of development best practices.
• Continuously improve automation, testing, observability, developer experience, and software delivery processes.
• Use approved AI-assisted engineering tools responsibly to improve productivity while applying sound engineering judgment, rigorous validation, and strong protection of confidential or sensitive information.

All About You :

• Bachelor's degree in Computer Science, Information Technology, a related field, or equivalent practical experience.
• Strong foundation in software engineering principles including system design, source control, testing, debugging, performance analysis, maintainability, and secure software development.
• Expert-level proficiency with Java (17+) and Spring-based application development.
• Experience designing and building RESTful APIs and service integrations.
• Experience developing cloud-native applications and distributed systems, preferably in Azure environments.
• Proficient with distributed source control systems (e.g., Git), including branching strategies, code review workflows, conflict resolution, and release management practices.
• Experience working within modern CI/CD environments, including build automation, deployment pipelines, release validation, and operational support.
• Demonstrated ability to investigate and resolve complex production issues through structured troubleshooting, evidence-based decision-making, and root cause analysis.
• Strong understanding of observability practices including logging, monitoring, metrics, dashboards, distributed tracing, and reliability-oriented alerting.
• Experience with modern data platforms and databases, including data modeling, scalability, performance, and operational trade-offs.
• Working knowledge of authentication, authorization, secrets management, vulnerability management, and secure handling of sensitive data in regulated environments.
• Strong ownership mindset with a proven ability to take initiative, drive work to completion, remove blockers, and deliver results with limited supervision.
• Ability to collaborate effectively across teams, influence technical decisions, and communicate complex concepts to both technical and non-technical stakeholders.
• Comfortable using approved AI-assisted development tools and applying critical judgment to validate AI-generated outputs before production use.
• Committed to continuous learning, engineering excellence, and helping others grow.

Preferred Qualifications :

• Experience in payments, fintech, commerce, banking, fraud prevention, or other regulated industries.
• Experience building high-throughput, highly available, or event-driven systems.
• Experience with batch processing, workflow orchestration, or large-scale data pipelines.
• Experience incorporating AI-enabled capabilities into products or engineering workflows.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. This posting reflects one or more current openings on our team.

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More about this job

Responsibilities

The Senior Software Engineer will design, develop, and maintain high-quality, scalable software solutions while driving technical initiatives from concept to production. They will also collaborate with cross-functional teams to ensure system reliability, security, and operational excellence throughout the software lifecycle.

Requirements

Candidates must have a bachelor's degree in a relevant field and expert-level proficiency in Java and Spring-based development. Strong experience with cloud-native applications, distributed systems, and modern CI/CD environments is required.

Skills

Java
Spring
System Design
RESTful APIs
Cloud-native Applications
Azure
Git
CI/CD
Observability
Distributed Systems
Data Modeling
Security
Troubleshooting
Mentoring
Software Lifecycle Management

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Java
Spring
RESTful APIs
Cloud-native
Azure
Distributed Systems
Git
CI/CD
Observability
Data Modeling
Security
Fintech
Payments
Fraud Prevention
System Design
Automation
Monitoring
Debugging
Mentoring
Scalability
Reliability
Production-grade
API
Infrastructure
Software Lifecycle
Event-driven Systems
Batch Processing
Workflow Orchestration
AI-assisted Engineering

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