Abinash Mandhata

AI Data Annotator | Quality Assurance Tester | AI Operations & Fellow Support

Cuttack, Odisha 3+ yrs exp 93 · Outstanding

About

AI Data Annotator, Quality Assurance Tester, and AI Operations & Fellow Support professional with 3+ years of experience in software testing, customer-facing issue resolution, business requirement analysis, defect management, documentation, and cross-functional collaboration. Combines structured quality validation with customer-support operations to investigate issues, maintain consistent workflows, and deliver accurate outcomes.

Skills & Expertise (32)

Python Advanced

7.6/10

Years Exp

SQL Advanced

7.5/10

Years Exp

Regression Testing Advanced

7.4/10

Years Exp

Data Quality Advanced

7.3/10

Years Exp

AI-Assisted Development Google Apps Script VS Code Java C/C++ AWS Microsoft Excel Data Visualization Prompt Engineering ETL Data Cleaning Data Transformation SQL querying Zendesk Postgresql Documentation Defect Analysis Workflow Analysis stakeholder communication Process validation Root-cause analysis Defect Tracking sanity testing Functional Testing Image annotation Prompt Evaluation LLM Response Evaluation escalation

Work Experience

Fellow Experience Specialist

Handshake AI

Aug 2026 - Present

Investigate Fellow support tickets in Zendesk and HAI Admin to reproduce profile-level and workflow issues, understand the user experience, and determine the appropriate resolution path. Apply L1 troubleshooting and standardized Zendesk macros to provide consistent, timely, and accurate support. Triage cases by complexity and impact, resolving issues within L1 scope and escalating specialized cases to the appropriate queue or L2 team. Partner with internal teams through Slack to clarify cases, coordinate investigations, and keep issue resolution moving efficiently. Analyze ticket context, user and profile data, and workflow behavior to identify root causes and recommend the right next action. Maintain clear, complete ticket updates while following support workflows and service-quality standards for Fellow-facing interactions.

AI Data Annotator

Innodata India Pvt Ltd

Apr 2026 - Jul 2026

Validate AI-generated ASR outputs across multilingual speech, fillers, low-audio clarity, noise distortion, and overlapping-speech scenarios. Annotate non-speech events in audio and video datasets using structured Who, What, How, and When frameworks. Evaluate AI-generated video outputs against reference videos for timing, visual fidelity, color consistency, background continuity, and artifacts. Compare text-to-image responses for factuality, relevance, prompt alignment, and overall usefulness; document decisions and quality deviations. Review object bounding-box labels and descriptions, flag inconsistencies and edge cases, and help maintain high-quality training datasets. Evaluate Live AI voice conversation by assessing reasoning, analytical ability, storytelling, factual accuracy and overall response quality. Annotate video content by identifying object movements, actions and temporal events with timestamping. Create natural language descriptions for masked objects using predefined attributes and generate contradictions by describing non-existent objects to create confusion for models. Evaluated AI-generated text, image, audio, and video outputs for factual accuracy, hallucinations, prompt alignment, and guideline compliance across multimodal annotation projects. Consistently achieved assigned daily productivity targets by completing annotation tasks within project-defined Average Handle Time (AHT) ranges of 5–60 minutes, depending on task complexity. Maintained a 100% internal QPE (Quality Performance Evaluation) score while ensuring adherence to detailed annotation guidelines and quality standards. Earned Multimango quality rating above 4.0/5 based on reviewer feedback during the project.

System Administrator

Odiray

Nov 2025 - Jan 2026

Assisted employees in accessing and using collaboration tools such as Microsoft Teams and Google Meet, including remote/mobile access support. Delivered hands-on guidance and knowledge transfer to employees on system usage. Troubleshot hardware, OS, and basic application issues to ensure uninterrupted work. Provided day-to-day system administration and desktop support to employees. Coordinated procurement of new desktops and supported repair and replacement activities as required.

Intern – Operations Coordination

Pollutech Engineering

Jul 2025 - Sep 2025

Played a key role in ensuring smooth communication flow between operations, field staff, and customers. Shared updated reports with internal teams and clients to support billing, warranty claims, and follow-ups. Maintained and updated daily job status and service reports, ensuring accuracy and clarity. Coordinated between service engineers, workshop teams, and clients to ensure timely resolution of issues. Assisted in assigning service engineers for field visits based on priority, urgency, and issue type.

System Engineer

TCS

Jul 2016 - Aug 2019

Coordinated with developers, business stakeholders, and client teams to understand business requirements and validate application functionality. Executed functional, regression, and integration testing for the Tata Communications customer portal to verify new features and system enhancements before release. Validated data synchronization between the Tata Communications Portal and Salesforce, ensuring customer information and updates were accurately reflected across integrated systems. Verified application workflows by testing developer-delivered builds and documenting defects, observations, and test results for timely resolution. Supported defect tracking, documentation, knowledge transfer, and cross-functional communication to maintain software quality throughout the testing lifecycle.