Senior Software Development Engineer In Test (sr. Sdet)
- Testvagrant
- 5 - 9 years
- Bengaluru
- 20 days ago
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Job Description
Sr SDET (Sr Software Development Engineer in Test)
We are looking for a Sr. SDET (5-9 years) with strong core testing fundamentals, hands-on automation expertise, and a consultative mindset to lead quality initiatives for large-scale products. The role requires ownership across web, API, and/or mobile testing, balancing manual exploratory/UAT testing with automation strategy and execution, while working closely with product and engineering stakeholders in an Agile environment.
Requirements
- Design, develop, and maintain automated test frameworks and scripts using TypeScript/JavaScript for:
- Web applications (Playwright / WebdriverIO)
- APIs (modern API automation tools/frameworks)
- Mobile test automation (Appium, preferably with WDIO)
- Plan and execute comprehensive test strategies, including test plans, test cases, UAT cycles, and release validation.
- Perform functional and exploratory testing across web, API, and mobile layers to identify issues early in the SDLC.
- Drive API testing and validation, identifying functional defects, contract gaps, REST standard violations, versioning inconsistencies, and documentation issues.
- Collaborate closely with Developers, Product Managers, and stakeholders to clarify requirements, validate expected behavior, and resolve defects.
- Actively participate in Agile ceremonies (sprint planning, stand-ups, reviews, retrospectives) and contribute to sprint quality goals.
- Lead and mentor SDETs, ensure execution excellence, and take ownership of deliverables.
- Create and maintain test metrics, defect dashboards, and progress reports, and communicate status effectively to client stakeholders.
- Continuously evaluate and implement best practices in testing, automation, and quality engineering.
- Contribute to improving testing processes, standards, and methodologies from a consulting perspective.
Core Skills (Must-Have)
- 6+ years of experience as an SDET with strong hands-on testing experience.
- Proficiency in TypeScript / JavaScript for test automation.
- Solid experience in web, API, and/or mobile application testing.
- Hands-on experience with automation tools such as:
- Web: Playwright or WebdriverIO
- API: Any modern API automation framework
- Mobile: Appium (preferably with WDIO)
- Strong understanding of software testing principles, test design techniques, and defect lifecycle.
- Good understanding of REST APIs, HTTP methods, status codes, payload validation, and integration testing concepts.
- Experience in creating test plans, test strategies, release plans, and owning end-to-end test execution.
- Strong analytical, problem-solving, and debugging skills.
- Excellent communication and collaboration skills, especially in client-facing environments.
- Ability to work effectively in a fast-paced Agile environment with minimal supervision.
- Bachelor degree in Computer Science, Engineering, or a related field.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Quality Assurance and TestingRole: Test AnalystEmployement Type: Full timeContact Details:
Company: TestvagrantLocation(s): Bengaluru
Keyskills: IT services Automation Web technologies Consulting Automation tools Javascript Agile HTTP SDLC Testing
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Testvagrant
TestVagrant is a software testing services company founded in Aug, 2014 with a goal to help companies accelerate the time-to-market of a product/service with high quality by building intelligent test solutions.
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