Subir Mukherjee

Results-driven QA Lead and Audio AI Specialist with 21+ years of progressive experience across AI/ML data annotation, speech-to-text quality assurance, NLP workflows, and medical/legal transcription. Proven track record managing large-scale audio annotation projects end-to-end — from Gold Standard creation and annotator calibration to client delivery — using platforms such as AWS, Datasaur, Dataloop, and Ango Hub. Multilingual in English, Bengali, and Hindi.

Recognized by global AI organizations including iMerit, TELUS International, RWS, Sigma AI, Global Language Solutions, SLAOS, and Nuance Communications for delivering high-accuracy datasets and exceeding quality benchmarks.

Freelance Language Specialist | Transcription | Annotation | QA - Freelance

(2023-09)

• Working as an independent freelancer collaborating with global organizations including RWS, TELUS, Global Language Solutions, Sigma AI, SSGInfotech, Micro1 and JustAct.
• Performing roles as Language Reviewer, AI Trainer, Transcriptionist, and Translator across multiple AI and linguistic projects.
• Testing and evaluating AI speech agents for accuracy, response quality, and conversational flow.
• Handling multilingual assignments in English, Bengali, and Hindi, ensuring high accuracy and adherence to client-specific guidelines.
• Reviewing and validating AI-generated outputs, training annotators, and contributing to quality improvement workflows.
• Delivering transcription, translation, and annotation tasks within strict turnaround timelines while maintaining high-quality standards.

QA Lead – Audio Transcription & Annotation - iMerit Technology - Kolkata, India

(2022-05 - 2023-09)

• Led quality assurance for large-scale audio annotation and speech-to-text projects, including speaker identification, emotion tagging, acoustic event labeling, and audio classification.
• Designed and implemented Gold Standards, annotator consensus models, subsampling strategies, and edge-case reviews to ensure maximum data accuracy and consistency.
• Managed multiple POCs and production projects using platforms such as AWS, Datasaur, Dataloop, and Ango Hub for NLP and Audio AI workflows.
• Collaborated with client developers, project managers, and internal teams to improve delivery quality, turnaround time, and client satisfaction.

Legal Transcriber (Freelance) - Lex Carta Private Limited - Chennai, India

(2021-01 - 2022-05)

• Delivered high-accuracy legal transcriptions while consistently meeting strict turnaround timelines.
• Edited and formatted legal documents to client-specific style guidelines.
• Demonstrated adaptability to new transcription tools and platforms.

Senior Transcriptionist – Legal Domain - Strategic Legal & Accounting Outsource Services - Kolkata, India

(2014-08 - 2021-07)

• Transcribed and edited Australian legal proceedings, including court hearings, witness statements, and legal correspondence, with strong understanding of Australian legal terminology and formatting standards.
• Acted as a primary client interface, handling communication, issue resolution, and feedback loops to improve service delivery and client satisfaction.
• Managed multiple remote desktop (RDP) environments, ensuring data security, confidentiality, and adherence to international compliance protocols.

Senior Quality Analyst - Medical Transcription - Sandgates Solutions Pvt. Ltd. - Kolkata, India

(2011-08 - 2014-08)

• Reviewed and audited medical transcriptions for compliance with industry standards.
• Generated monthly analytics-driven QA reports to identify trends and training needs.
• Provided structured feedback and mentoring to transcription editors.
• Managed offshore and onshore teams, including Australian, NZ, US healthcare processes.

Public Relations Officer - St. Mary's Technological Foundation - Kolkata, India

(2011-03 - 2011-07)

• Coordinated media relations, press conferences, and promotional events.
• Maintained website content and supported recruitment initiatives.

Senior Recruitment Manager - FocusMT (India) Pvt. Ltd. – Nuance Communications Inc. - Hyderabad, India

(2008-11 - 2011-03)

• Managed end-to-end bulk recruitment for medical transcription and QA roles.
• Led sourcing through job portals, referrals, and direct networking.
• Oversaw onboarding, induction, background verification, and HR documentation.
• Handled vendor management alongside recruitment, overseeing production and quality deliverables to ensure compliance with organizational standards.

Senior Proofer / Editor – Medical Transcription - FocusMT (India) Pvt. Ltd. – Nuance Communications Inc. - Hyderabad, India

(2005-11 - 2008-03)

• Edited machine-generated medical reports on Dictaphone/eScription platforms.
• Ensured strict compliance with HIPAA confidentiality standards.
• Performed post-audit quality checks on medical records reviewed by other editors and proofers, ensuring alignment with client guidelines and maintaining high accuracy standards.

Senior Medical Transcriptionist - Vareque Communications - Kolkata, India

(2003-10 - 2005-10)

• Transcribed diverse medical documents including operative notes, discharge summaries and SOAP notes.
• Maintained high accuracy and compliance with HIPAA guidelines within prescribed TAT.

Probationary Medical Transcriptionist - InfoVision Software Pvt. Ltd. - Kolkata, India

(2002-11 - 2003-09)

• Delivered manual medical transcriptions with consistent quality and turnaround time.

PG Diploma - Medical Transcription - Manipal Academy of Higher Education (MAHE)

Bachelor of Arts - Burdwan University

Diploma - Computer Applications - AIILSG