Principal Software Developer in Test (SDET)

About Integrant

For 34 years, Integrant has designed and delivered advanced, business solutions for U.S. enterprises in biotech, medical devices, manufacturing, finance, and related highly regulated industries. Our teams are experts in traditional web and mobile applications, AI/HPC infrastructure support, data engineering, predictive AI, machine learning, and Agentic solutions. We build long-term partnerships—two-thirds of our customers choosing to partner with us 5+ years—by solving mission-critical problems with rigor, empathy, and measurable outcomes.

Job Overview:

This role is vital in ensuring the quality and reliability of our software products by balancing both manual and automated testing methodologies. This position bridges the gap between software development and quality assurance, emphasizing both coding and comprehensive testing expertise. Conduct root cause analysis for defects, and continuously improve testing processes and efficiency.

Duties & Responsibilities:

• Review requirements and design of system to be implemented
• Design and review test cases and test scripts
• Ability to define test case execution priority and impact analysis
• Recommend, implement, and work with test management, defect management, performance, and automation tools
• Log issues and track until closure
• Communicate with project manager regarding project issues, impacts to the schedule, and performance issues
• Able to understand new testing techniques, technologies, and tool
• Work within an agile, self-organizing Scrum team
• Coordinate with the engineers on Result and Defects Status on a regular basis
• provide comprehensive test reports
• SDET: Writing unit test for testing API and business layer
• SDET: Enhancing Testability of the Code
• SDET: Fixing Minor Defects Discovered During Testing
• SDET: Implementing Test Support Features
• SDET: Documenting API endpoints or services to aid both testing and development efforts
• Work with the lead on creating test plan and executing

Requirements

• 6+ years of hands-on experience in software testing
• Hands-on experience in OOP and one or more programming languages: C#, Java, JS, SQL
• Good experience with Selenium, TestNG, Junit, Nunit
• Hands-on experience with multiple types of testing including UI, System/Integration, API, and Agile
• Background in Performance testing is nice to have
• Very Good knowledge in test planning and test strategy design
• Good knowledge in testing estimation techniques
• Understanding of the Agentic Development Life Cycle
• Ability to create workflows with rules and guardrails
• Proficiency in testing AI applications and agentic solutions 
• Strong analytical and problem-solving skills with keen attention to detail
• Proficient in English (verbal and written)
• Good work ethics, Team player, positive and self-motivated
• Strong Communication and Interpersonal skills
• Database manipulation skills, mainly in SQL
• Good time-management skills
• Good knowledge of Agile development Methodology and agile testing
• Great attention to detail and organized
• Fair Knowledge about Cloud, ETL and DevOps Concepts
• Flexible and Adaptable to client and project changes
• Behavior-Driven Development (BDD)  (e.g., Cucumber, SpecFlow)
• SDET: Advanced programming Good understanding of custom exception, intermediate level in linq , dependency injection and lose coupling to increase testability.
• SDET: Proficient with CI/CD tools such as Jenkins, GitLab
• SDET: Understand common design patterns and architecture patterns
• SDET: Solid understanding of data structures e.g dictionary , list , hashset
• ISTQB CT-GenAI (Certified Tester — AI Testing) Highly preferred

Benefits

• Competitive compensation package
• PTO, full medical and dental coverage, etc.
• Opportunity to travel and work onsite with U.S. customers
• In-house Technical and English training programs
• Dedicated learning time (check out our 4Plus1 Program)
• Interest free loans
• Flexible work schedules
• Perks: events, sponsored lunch, game area, rooftop hangout + more!