Senior QA Analyst, SDET – Payments, API & Event Testing

Expleo Group

Senior QA Analyst testing payment APIs, distributed systems, and Kafka event flows for Expleo, a global engineering and consulting organization. Designing automation and validating end-to-end transaction quality in a hybrid Montreal role.

Posted 8/11/2026contractMontreal • 🇨🇦 CanadaSenior💰 CA$80 - CA$95 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in API Testing, Integration Testing, and Quality Engineering within banking and payment transaction flows. Proficient in developing test strategies, contributing to test automation, and collaborating with cross-functional teams to ensure quality and reliability in software solutions.

Highest-signal resume keywords

API TestingIntegration TestingTest AutomationAgile DeliveryBilingual Communication

ATS Keywords

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Hard Skills

Software Quality AssuranceTest Case DevelopmentEvent-Driven Architecture TestingData Payload ValidationDefect Management

Soft Skills

Analytical SkillsProblem-Solving SkillsCollaboration

Tools & Technologies

JiraKafkaCI/CD ConceptsMicroservices Architectures

Industry Keywords

BankingFinancial ServicesPaymentsRegulated Environments

Tech Stack

Tools & technologies

FluxJavaKafkaMicroservicesPython

About the role

Key responsibilities & impact

Design, document, and execute test cases for banking and payment transaction flows across APIs, integrations, and event-driven systems
Validate the quality, reliability, resilience, and testability of solutions throughout the software development lifecycle
Test critical payment flows in distributed architectures, including API transactions, messaging platforms, event processing, and associated business outcomes
Develop and execute multi-layer test strategies, including API testing, integration testing, end-to-end testing, and non-functional testing
Contribute to test automation initiatives and participate in the development and maintenance of automated test assets
Use quality metrics, anomaly trends, and operational data to improve testing effectiveness and reduce delivery risk
Identify and communicate technical risks, testing gaps, quality debt, and optimization opportunities
Collaborate with developers, architects, product owners, and business stakeholders to embed quality and testability into solution design
Track and manage defects, test execution activities, and quality metrics using Jira or similar tools
Support continuous improvement of QA practices, automation, and quality engineering

Requirements

What you’ll need

5 to 7+ years of experience in software quality assurance, API testing, integration testing, or quality engineering
Strong experience in API testing, including validating request/response behavior, integration points, data payloads, and transaction flows
Experience testing event-driven architectures and messaging-based systems, including Kafka or similar technologies
Experience creating test cases, executing tests, analyzing results, and managing defects through to resolution
Strong understanding of integration testing and end-to-end business process validation
Experience working in Agile delivery environments
Excellent analytical and problem-solving skills, with the ability to prioritize testing activities by business risk and criticality
Ability to work effectively with developers, business stakeholders, and cross-functional delivery teams
Bilingual communication skills in French and English
Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience
Experience in the banking, financial services, or payments sectors
Experience testing payment processing systems, financial transaction platforms, or regulated environments
Experience contributing to test automation initiatives
Knowledge of Java and/or Python
Experience with distributed systems and microservices architectures
Knowledge of CI/CD concepts and modern software delivery practices
Experience with Jira and related quality management tools
Prior experience in large enterprise environments

Benefits

Comp & perks

Medical insurance, including telemedicine
Dental insurance
Long-term disability insurance
Life insurance
Five paid personal days per year
Accrual of vacation and protection of statutory holidays
Employee referral bonus of up to CAD 1,000, subject to eligibility
Training, professional development, and internal career opportunities
For eligible billable employees, group benefits generally begin after three months of employment