Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior QA Engineer - API & Backend Testing

$52 - $62 per hour
Temporary

Recrute Action

Senior QA Engineer – API & Backend Testing

Be part of a dynamic opportunity within the insurance industry where technology, innovation, and quality come together to support critical business solutions. Working in a collaborative hybrid environment, you will contribute to impactful initiatives involving complex systems, data validation, and process improvement while partnering with experienced professionals on high-visibility projects that drive business success.

What is in it for you:

• Salaried: $52-62 per hour.

• Incorporated Business Rate: $62-72 per hour.

• 6-month contract.

• Full-time position: 37.50 hours per week.

• Weekday schedule from 9 am to 5 pm.

• Hybrid work with 3 days per week in the office.

Responsibilities:

• Execute API and backend test cases using tools such as Postman or RestAssured.

• Validate pricing calculations and business rule execution.

• Develop test scenarios for data-driven and rule-based systems.

• Perform end-to-end testing across integrated systems.

• Validate batch outputs, including CSV files, and API responses.

• Contribute to test automation and regression testing.

What you will need to succeed:

• 10+ years of experience in API and backend testing.

• Hands-on experience with API testing tools such as Postman, RestAssured, or similar solutions.

• Strong understanding of test case design for data-driven systems.

• Experience validating complex business logic, including calculations and rules.

• Ability to perform end-to-end testing across multiple integrated systems.

• Experience testing financial systems or pricing calculations is considered an asset.

• Knowledge of test automation frameworks such as Selenium, Cypress, or similar tools is considered an asset.

• Strong SQL and data validation skills are considered an asset.

• Experience with batch testing and file-based validation, including CSV files and exports, is considered an asset.

• Familiarity with performance or load testing tools is considered an asset.

Why Recruit Action?

Recruit Action (agency permit: AP-2504511) provides recruitment services through quality support and a personalized approach. As part of the screening process, some applications may be reviewed using artificial intelligence tools. Only candidates who meet the hiring criteria will be contacted.

Vacancy posted 8 hours ago
Similar jobs that could be interesting for youBased on the Senior QA Engineer - API & Backend Testing in Toronto, ON vacancy
  •  ...customer churn. What you'll do As an engineer on the team, you'll be responsible for...  ...and processes where you'll design, build, test, and ship code every day. In this cross-functional...  ...~2–12+ years of experience in backend software development ~ Ability to write... 
    Suggested
    Contract work
    Internship

    Stripe

    Toronto, ON
    5 hours ago
  •  ...Your Responsibilities Design and execute test plans for web and backend applications Work on real client products from...  ...Build and maintain automated test suites (UI, API, and integration testing) Collaborate with engineers through pair testing and AI-assisted QA... 
    Suggested

    TribalScale

    Toronto, ON
    5 hours ago
  • We are seeking an experienced Senior Systems Testing/QA Specialist to join the Transit Operations Team. This team provides critical technology solutions...  ...by leading end-to-end testing coordination across internal engineering teams and major third-party vendors. Dynamic Technical... 
    Senior
    Contract work
    Remote work

    Randstad

    Toronto, ON
    17 days ago
  •  ...our annual growth rate exceeds 25%. Job Description The  Senior QA Engineer  is responsible for ensuring the quality and reliability of IVR and web applications through comprehensive testing and validation. This role owns end-to-end test strategy and execution,... 
    Senior
    Full time
    Internship
    Remote work
    Relocation

    Miratech

    Toronto, ON
    4 days ago
  •  ..., build and maintain automated test frameworks and scripts with independence...  ...themselves vs handing to "QA/QE" to automate...  ...Apply advanced understanding of engineering best practices and drive continuous...  ...Solid understanding of API testing (REST) and ability to write... 
    Senior
    Long term contract
    Internship
    Shift work

    Luxoft

    Toronto, ON
    1 day ago
  •  ...Job Title: Automation Test Engineer We are looking for a skilled and detail-oriented Automation...  ...Collaborate with development and QA teams to ensure quality standards Improve...  ...Preferred Skills Experience with API testing tools and methodologies Knowledge... 
    Full time

    Astra North Infoteck Inc.

    Toronto, ON
    28 days ago
  •  ...our annual growth rate exceeds 25%. Job Description The Senior QA Engineer is responsible for ensuring the quality and reliability of IVR and web applications through comprehensive testing and validation. This role owns end-to-end test strategy and execution,... 
    Senior
    Full time
    Internship
    Remote work
    Relocation

    Miratech

    Toronto, ON
    22 days ago
  • $120k - $150k per year

     ...generation internal system with a planning engine that now automates the end-to-end...  ...for expansion, we are looking for a Senior Software Engineer with strong backend experience, a talent for turning...  ...FastAPI, ensuring scalable, reliable API interactions with our internal... 
    Senior
    Work at office
    Remote work
    Work from home
    Flexible hours
    2 days per week
    3 days per week

    HelloFresh

    Toronto, ON
    5 hours ago
  • We are seeking a detail-oriented Systems Testing/QA Specialist to join our team. This role is focused...  ...testing stack including automation, API testing, and performance monitoring tools....  ...Product Suite. Familiarity with IBM J-Rules Engine and COTS implementations is highly... 
    Senior

    Randstad

    Toronto, ON
    more than 2 months ago
  • $167.5k - $235k per year

     ...scalability of our existing systems Promote engineering excellence through technical leadership,...  ...processing infrastructure Enhance our testing, monitoring and continuous deployment...  ...How You Will Do Your Work As a Senior Software Engineer, how results are achieved... 
    Senior
    Casual work
    Work at office
    Local area

    Justworks

    Toronto, ON
    5 hours ago
  •  ...QA Engineer – Oracle, ETL & Performance Testing Role Description QA Engineer role with 8–10 years of experience in Oracle, SQL, and performance testing tools. Strong expertise in SQL (complex queries) and Oracle databases with performance optimization skills... 
    Contract work

    Astra North Infoteck Inc.

    Toronto, ON
    16 days ago
  • $156k - $214.5k per year

     ...running to be successful on Faire. We are looking for a Senior Growth Engineer (Frontend or Backend) who thrives at the intersection of product,...  ...success, and engagement. Design and implement scalable APIs and services (backend focus) or intuitive, high-performance... 
    Senior
    Work at office
    Local area
    Remote work
    Monday to friday
    3 days per week

    Faire

    Toronto, ON
    5 hours ago
  • $120k - $145k per year

     ...code reviews, promoting best practices in software development, testing, and deployment. Analyze system performance, identify...  ...what we're looking for Experience: Experience in software engineering, with a strong focus on back-end development and system architecture... 
    Senior
    Work at office
    Remote work
    Work from home
    Flexible hours
    2 days per week
    3 days per week

    HelloFresh

    Toronto, ON
    5 hours ago
  • $56.19 - $60.21 per hour

     ...RQ11170 - Int. Systems Testing/QA Specialist 11-month contract - possible extension...  ...experience in the use of Computer Aided Software Engineering (CASE) tools and data query tools to aid...  ...like Selenium, Cypress, or Postman for API testing. · Understanding of scripting... 
    Contract work

    Source Code

    Toronto, ON
    10 days ago
  •  ...Role We’re looking for an experienced QA Automation Engineer to help us scale a high-quality,...  ..., you’ll own and evolve our automated testing strategy—ensuring stability, performance...  ...calculations, and models ~ Build and maintain API automation (REST/JSON) and integrate... 
    Senior
    Long term contract
    Full time

    Limelight Software

    Toronto, ON
    15 days ago
  •  ...people to help us get there! About the Senior Software Engineer role As a Senior Software Engineer,...  ...full-stack development with a focus on backend: anything from building features to...  ..., and maintaining robust, high-quality APIs and services.  | Our tech stack : React... 
    Senior
    Permanent employment
    Full time
    Summer work
    Internship
    Work at office
    Remote work
    Work from home
    Shift work

    Motion

    Toronto, ON
    5 days ago
  • $80k - $130k per year

    QA Analyst – Automation & Chaos Testing Position Description This role is hybrid and requires you to be at...  ...failures • UI state failures • API mock failure injection • Review and...  ...• 6+ years of experience in QA engineering, test automation, resilience testing... 
    Work at office
    2 days per week
    Toronto, ON
    8 days ago
  • $56.72 - $66.17 per hour

     ...skilled ETL Quality Assurance Testing professional to join their team...  ...maintain, and analyze complex test scripts for data warehouses and...  ...of hands-on experience testing APIs and Web Services. Desired Qualifications...  ...: ETL Quality Assurance Lead / Senior Tester Location: Toronto, ON... 
    Senior
    Work at office
    3 days per week

    Randstad

    Toronto, ON
    9 days ago
  • Do you have minimum 6 to 8 years’ QA experience testing and automating applications within electronic...  ...for you! Our client is looking for a Senior Systems Testing/QA Specialist for a 12...  ...testing for User Interface (UI) and backend systems, connectivity/error handling testing... 
    Senior
    Contract work

    Randstad

    Toronto, ON
    a month ago
  • $67.78 - $81.34 per hour

     ...RQ00669 - Sr. Systems Testing/QA Specialist 10-month contract (201 business days) - possible...  ...testing types, including functional, GUI, API/web service, integration, regression,...  ...execute automation testing for the frontend and backend components. Perform manual testing for... 
    Senior
    Contract work
    Flexible hours

    Source Code

    Toronto, ON
    4 days ago
  • $40.07 - $42.93 per hour

     ...RQ11133 - Jr. Systems Testing/QA Specialist 10-month contract (202 business days) - possible...  ...Hands-on experience using Postman for API testing Experience contributing to QA...  ...in the use of Computer Aided Software Engineering (CASE) tools and data query tools to aid... 
    Contract work

    Source Code

    Toronto, ON
    14 days ago
  • We are seeking a senior-level Systems Testing/QA Specialist with over a decade of experience to lead quality assurance initiatives for complex web and...  ...- Create database queries to select test data, validate backend integrity, and ensure accuracy across system migrations... 
    Senior

    Randstad

    Toronto, ON
    more than 2 months ago
  •  ...You are passionate about quality engineering and excited about the intersection of AI and software testing. You thrive in collaborative...  ...platforms to create intelligent test cases, automate maintenance tasks...  ...and AI-powered testing tools API Testing: Experience with REST APIs... 
    Shift work

    TribalScale

    Toronto, ON
    5 hours ago
  •  ...combines Strategy, Experience & Design, Engineering and Managed Services. We build...  ....   ROLE OVERVIEW As the QA Engineer, you will define and implement the testing strategy across the CMS, LMS, and...  ...(unit, integration, E2E). Test API contracts between services (contract... 
    Senior
    Full time
    Contract work
    For contractors

    Appnovation Technologies

    Toronto, ON
    5 hours ago
  • $152.66k - $214.48k per year

     .... Learn more at Life as an Engineer at EvenUp Our Cases Product...  ...Engineering team is in search of a Backend Software Engineer who will...  ...of our integration engine while paving the way for future...  ...dependable integration frameworks. API Design and Development: Skilled... 
    Senior
    Long term contract
    Full time
    Temporary work
    Local area
    Immediate start
    Home office
    Flexible hours

    EvenUp

    Toronto, ON
    4 days ago
  •  ...Selenium Gen AI Testing Pioneer: Lead the integration...  ...Web, Mobile (iOS/Android), and API layers, ensuring a seamless multi...  ...experience. • Shift-Left Engineering: Work side-by-side with...  ...technologies to simulate complex backend dependencies. • Cloud Testing... 
    Contract work
    Shift work

    Astra North Infoteck Inc.

    Toronto, ON
    7 days ago
  • We are seeking a seasoned Systems Testing/QA Specialist to lead and organize comprehensive testing efforts for both large and small-scale systems...  ...navigating GUI and non-GUI environments, developing automated test scripts, and collaborating closely with business clients to... 
    Senior

    Randstad

    Toronto, ON
    more than 2 months ago
  •  ...planning, organizing and implementing testing efforts at the specified experience level...  ...+years Experience executing functional tests, non-functional tests and systems level...  ...for you! Our client is looking for a Senior Systems Testing/QA Specialist for a 6 month contract in... 
    Senior
    Contract work
    Remote work

    Randstad

    Toronto, ON
    a month ago
  •  ...TEHORA est présentement à la recherche d’un(e) développeur(se) backend senior ayant une solide expérience en développement d’API sécurisées. Sans être exhaustifs, voici les services et livrables que devra fournir la personne retenue. Développer des API REST sécurisées... 
    Senior
    Hourly pay
    Full time
    Contract work
    Apprenticeship
    Remote work
    Flexible hours

    TEHORA

    Toronto, ON
    more than 2 months ago
  • $180k - $210k per year

     ...About Us We’re looking for a Staff Engineer -  User Experience (Backend) to join our Patient Platform team...  ...technology platform. This team owns the APIs, orchestration services, and...  ...components.  This is an opportunity for a senior technical leader who thrives in ambiguity... 
    Senior
    Contract work
    Internship
    Local area
    Immediate start
    Remote work
    Flexible hours

    Prenuvo

    Toronto, ON
    5 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior QA Engineer - API & Backend Testing. Be the first to apply!