Senior Test Engineer (AI model testing)

Dentsu Global Services Private Limited; Karnataka; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Dentsu Global Services Private Limited is seeking a QA Engineer to lead manual testing and AI output validation for an AI-based application. You will develop test cases, execute tests, log defects, and ensure end-to-end quality across image, video and workflow scenarios.

Role involves collaboration with product managers and developers in an Agile setup, with a focus on regression, integration, and system testing and strong reporting to stakeholders.

Qualifications

• Minimum 4 to 6 years of testing experience.
• Hands-on in Agile environments and test planning.
• Strong ability to write and review AI output test cases.
• Experience with functional, regression, integration, and system testing.
• Experience validating AI-powered applications (image, video).
• Knowledge of prompt testing, hallucination detection and output quality.

Responsibilities

• Develops and executes accurate test cases per requirements and tracks defects to closure.
• Ensures test coverage including positive, negative and edge cases.
• Logs defects with priority and traces root causes.
• Validates AI outputs, recommendations, and end-user workflows.
• Coordinates with product, developers, and QA to deliver stable software.
• Performs acceptance, installation and system testing; documents results.

Skills

Manual testing

AI output validation

Test case development

Agile teams

API testing

JIRA

Git

Communication

Reporting

Education

Bachelor's degree

Tools

Playwright

CodeceptJS

Azure

Job description

Job Description

Location: Mumbai/Pune/Gurugram/Bengaluru Experience - 4-6 Years

Job Summary: The purpose of this role is to take responsibility for conducting manual testing and AI output validation to ensure the software created by developers functions properly and meets the business needs as well. This role is responsible for fully testing the product or system and tracking issues and defects at all levels of their testing. The candidate will have a strong background in developing test cases, implementing test processes, and recording results for an AI based application.

Additionally, the candidate should be proficient in test AI Modal, the knowledge sources, regression, integration, and system testing.

Job Responsibilities

Develops and executes accurate test cases as per requirements, analyses results and raises issues within schedule. Ensures optimal test coverage comprising of positive, negative and exception scenarios. Logs defects with right priority, tracking them to closure and understanding the root cause for an issue. Tests and proves that the software meets major architectural requirements. Provides feedback on usability and serviceability, traces the result to quality risk and reports it to concerned people.

Validates AI generated images, video outputs, recommendations and end-user workflows across supported scenarios. Coordinates with product management and Developer/System Engineer to deliver stable enterprise software products.

Validates AI generated images, video outputs, recommendations and end-user workflows across supported scenarios.

Analyses and verifies best test approaches and executes acceptance, integration, installation, and system testing. Records test results, validates defect fixes and verifies overall quality acceptance criteria.

Engages in both functional and non-functional testing, Participates in Requirement understanding, Scrum meeting, reviews and test strategy sessions.

Creates and maintains QA and project documentation. Analyses problems reported in production application, identifies root causes and communicates results with appropriate stakeholders towards resolution.

Job Requirements

Must Have

• Minimum 4 to 6 years of experience
• Hands on experience in working with Agile Teams
• Ability to implement test plans, follow test process, and record results
• Strong expertise in writing test cases, reviewing AI outputs, and analyzing test results
• Proficiency in functional, regression, integration, exploratory and system testing
• Experience testing AI-powered applications involving image, videos
• Understanding of Generative AI concepts, prompt testing, hallucination detection and output quality assessment
• Experience validating AI recommendations, image updates, video outputs and content transformations
• Hands-in on experience in API Testing
• Familiarity with tools such as JIRA and Git
• Strong attention to detail and commitment to quality
• Strong communication skills and ability to solve problems
• Should be able to provide reports to senior stakeholders

Good to have

• Knowledge on Testing framework like playwright, codeceptJS
• Knowledge of multimodal AI testing (text, image and video)
• Knowledge of cloud technologies, preferably Azure
• Understanding of Responsible AI, bias testing and content safety validation
• Experience with data validation and model output comparison
• Experience/knowledge of performance/load/volume testing
• Experience with performance tools such as JMeter

Location and Contract

Location: DGS India - Bengaluru - Manyata N1 Block

Brand: Merkle

Time Type: Full time

Contract Type: Permanent

About dentsu

For over 120 years, innovation has been a core tenet of our offering - exploring new ways to reach, engage and nurture relationships with audiences. Together we drive a multiplier effect for clients at a global scale, through the development of Integrated Growth Solutions that are underpinned by our promise to clients: innovating to impact. Be a force for good. Sustainability is a vital part of our business and an important area of focus for our clients. We’re leading the way - helping to build a more sustainable planet. Dream loud. In this moment of transformation, we need our people to be fearless, embracing change and ambiguity, driven by the love for their work and excitement for the future. Team without limits. We create opportunities for connection and collaboration between our colleagues and clients, building a sense of belonging and having some fun along the way.

Find out more about us Who we are Our Social Impact Our work