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Added 2 days ago
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Curam Solution Architect
Deloitte
Ottawa, ON
- Full-time
Serve as a trusted advisor to senior client executives and technology leaders.
Added 2 days ago
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Senior Full-Stack Application Developer (Kotlin-Java/React)
Equisoft
Montreal, QC · Quebec, QC · HYBRID - Montreal, Canada
- Full-time
Role: The Senior Full-Stack Application Developer (Kotlin-Java/React), reports to the Director, Product Development, you will be working with a team of 13 members that include developers,…
Added 2 days ago
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Applications Support Sr Analyst - Assistant
Citi
Mississauga, ON
- Full-time
The Application Support Senior Analyst provides technical and business support for users of Citi Applcations. This includes providing quick resolutions to app issues, driving stability,…
Added 2 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Quebec, QC
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 2 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Montreal, QC
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 2 days ago
AS
Full Stack Engineer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Design scalable Java and Spring Boot services, RESTful APIs, and event-driven or microservices-based components with appropriate security measures.
Added 2 days ago
PD
Software Developer II
Pollard Digital Solutions
Winnipeg, MB
- Full-time
We’re looking for a collaborative Software Developer II to join our Lottery Management Services Team within our Winnipeg, MB office.
Added 2 days ago
M
Développeur DevOps principal
Moneris
Quebec, QC
- Full-time
As a Senior DevOps Developer on the Platform team, you will play a key role in the evolution, operation, and optimization of a modern cloud platform built primarily on Google Cloud…
Added 2 days ago
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Intermediate Java Developer
Citi
Mississauga, ON
- Full-time
The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application…
Added 2 days ago
VS
Full Stack Developer (Java/React)
vTech Solution Canada
Toronto, ON
- Contract
Title: Full Stack Software Developer (Java/React)
Added 2 days ago
AS
GCP Consultant
Apex Systems
Toronto, ON
- $49 to $54 USD / hour
- Contract
Apex Systems is seeking a Senior GCP Consultant to join a leading financial services organization in Toronto. This role acts as the intermediate layer between cloud services,…
Added 2 days ago
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Senior Java Developer (with LLM expertise)
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services…
Added 2 days ago
M
Senior Java Developer (with LLM expertise)
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services…
Added 3 days ago
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Senior Software Engineer
Mastercard
Toronto, ON
- Full-time
Expert-level proficiency with Java (17+) and Spring-based application development.
Added 3 days ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
As a Senior Software Engineer on the Excel Agent team, you will design and deliver end-to-end features that combine Excel capabilities with agentic AI. You will own technical areas spanning…
Added 3 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer / Technical Lead with extensive experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure, Dataverse, Java,…
Added 3 days ago
M
Software Engineer II (Backend _ Java)
Mastercard
Vancouver, BC
- Full-time
Design, develop, and maintain application functionality primarily using Java.
Added 3 days ago
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Software Engineer II (Backend - Java)
Mastercard
Vancouver, BC
- Full-time
Design, develop, and maintain application functionality primarily using Java.
Added 3 days ago
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Senior Software Developer / Full Stack Technical Lead
Joblinxsapp
Toronto, ON
- Full-time
Job Title: Senior Software Developer / Full Stack Technical Lead
Added 3 days ago
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Senior Java Developer- Risk, AVP
Citi
Mississauga, ON
- Full-time
The Senior Java Development- Risk is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the…
Added 3 days ago
AS
Lead Backend Developer
Ardent SoftSol Inc.
Brampton, ON
- Contract
We are seeking a proficient 8 to 10 years Java Backend Senior Developer in Java Spring Boot.
Added 3 days ago
IF
Principal, Software Engineering – Shared Services
Intact FC
Toronto, ON
- Full-time
Our pension offerings provide flexibility and long-term security for our employees beyond their careers. We are one of the few companies offering the opportunity to receive guaranteed…
Added 3 days ago
P
Senior Software Engineer - Java
PointClickCare
Mississauga, ON
- $142,000 to $158,000 CAD / year
- Full-time
Background with Spring Boot and Java ecosystem
Added 4 days ago
LI
Full Stack Software Developer (Java/React)
Lotus IT Solutions
Toronto, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Full Stack Software Developer to join the Government Services Integration Cluster in Toronto. This…
Added 4 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer with strong technical leadership and hands-on experience in enterprise application development, Microsoft Dynamics 365, Power Platform, Azure,…

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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