Global Financial Firm located in MISSISSAUGA, ON has an immediate contract opportunity for an experienced Senior Java Engineer "This role is currently on a Hybrid Schedule.

You will need to have reliable internet, computer and android or iphone for remote access into the client systems during work from home.

We will be expected in the office weekly 3 days depending on the team requirement. ****Video/ f2f interviews are required prior to all offers.

Pay rate range: $ 74.00 - $ 78.00 Negotiable based upon years of experience Job Description: Senior Software Development Engineer in Test (SDET) | 8-12 Years Experience About the Role We are looking for a highly skilled and passionate Senior Software Development Engineer in Test (SDET) to drive quality engineering initiatives across enterprise-scale, high-performance applications.

This role is ideal for an experienced automation engineer who enjoys building scalable test frameworks, leading quality best practices, and partnering closely with development teams to deliver reliable, high-quality software.

As a Senior SDET, you will play a critical role in designing automation solutions, implementing robust testing strategies, improving CI/CD quality gates, and ensuring seamless delivery across complex distributed systems.

Key Responsibilities Test Automation & Framework Development Design, develop, and maintain scalable automation frameworks using Java , Selenium/Playwright , TestNG/JUnit , and BDD frameworks such as Cucumber.

Build automated test solutions for web applications, APIs, microservices, and event-driven systems.

Drive adoption of in-sprint automation and shift-left testing practices across Agile teams.

Develop reusable utilities, libraries, and automation components to improve test efficiency and maintainability.

Ensure high-quality automated regression coverage and reduce manual testing efforts. API, Integration & Service Testing Design and implement automated tests for REST APIs, microservices, and messaging systems.





Validate service integrations using tools such as Rest Assured , Postman , Wire

Mock , and contract testing frameworks.

Performance & Non-Functional Testing Develop and execute performance, load, stress, and endurance testing strategies.

Use tools such as JMeter to identify system bottlenecks and capacity limits.

Analyze application performance metrics and provide recommendations for system optimization. CI/CD & Dev

Ops Integration Integrate automated test suites into CI/CD pipelines using tools such as Jenkins , Git

Hub Actions , or similar platforms.

Technical Leadership & Collaboration Mentor junior and mid-level SDETs on automation best practices and test framework design.

Participate in architecture reviews, sprint planning, and release readiness activities.

Work closely with Product Owners, Developers, Architects, and Business Analysts to ensure comprehensive test coverage.

Drive continuous improvement of quality engineering processes and standards. AI-Driven Quality Engineering Explore and leverage AI-assisted testing tools for test generation, impact analysis, defect prediction, and automation optimization.

Contribute to innovation initiatives that enhance testing efficiency and product quality.

Required Skills & Experience Experience 8-12 years of experience in Software Testing, Quality Engineering, or Software Development in Test.

Minimum 3 years of hands-on automation framework development experience .

Experience leading quality initiatives within Agile delivery teams.

Technical Skills Strong programming skills in Core Java , including OOP concepts, collections, exception handling, and multithreading.





Extensive experience with Selenium Web

Driver , Playwright , or similar UI automation tools.

Hands-on expertise in API automation testing using Rest Assured, Postman, or equivalent tools.

Experience building automation frameworks from scratch using TestNG/JUnit and Cucumber BDD .

Strong understanding of software testing principles, SDLC, and Agile methodologies.

Experience working with Git , CI/CD pipelines, and test execution automation.

Performance Testing Hands-on experience with JMeter or equivalent performance testing tools.

Ability to analyze test results and identify application performance bottlenecks.

Preferred Qualifications Previous development experience in Java/Spring Boot applications.

Experience with Kafka, RabbitMQ, IBM MQ , or other messaging platforms.

Knowledge of SQL and database validation testing.

Experience testing microservices and distributed architectures.

Knowledge of Docker , Kubernetes/Open

Shift , and cloud platforms such as AWS or GCP .

Familiarity with contract testing frameworks such as Pact .

Exposure to AI-powered testing tools and modern quality engineering practices.

Experience within Capital Markets, Financial Services, Fin

Tech, Trading, or Order Management Systems .

Education Bachelor's or Master's degree in Computer Science, Software Engineering, Information Technology, or a related field.

Nice to Have Certifications ISTQB Advanced Level Certification.

Test Automation Engineer Certification. AWS or GCP Cloud Certifications.

Java Professional Developer Certification.

What You'll Bring Strong problem-solving and analytical skills.

Passion for automation, engineering excellence, and continuous improvement.

Ability to work effectively with globally distributed teams.

Excellent communication and stakeholder management skills. A quality-first mindset focused on delivering reliable, scalable, and high-performing software.

📌 Senior Java Engineer (Mississauga)
🏢 Axelon Services
📍 Mississauga