Biraj Dutta
AI Trainer producing training data for production AI models — video annotation and caption verification at a 100% quality score. Eight years in QA, trust & safety, and game testing before that. Precise by habit, calm under pressure.
About
The short version of a long career.
Experience
Where I've worked and what I did there.
AI Trainer (Contract)
Producing training data for production AI models — video data annotation and caption verification (1,170+ tasks at a 100% quality score), adjudicating ambiguous cases against project guidelines.
Game Data Contributor
Recorded and submitted gameplay footage and telemetry to train game-playing AI — 59/59 submissions approved — plus gameplay bug documentation with reproduction evidence.
QA Consultant
Quality analysis and content review in a high-volume operations environment. Detail-driven rating work where consistency and judgment call the shots.
Content Moderator
Content moderation for a global platform — reviewing flagged material against policy, handling high-throughput queues while keeping accuracy high.
Senior Process Associate
Operations and process work in an enterprise services environment — the foundation years: discipline, process adherence, and working at scale.
Skills
What I bring to the table.
Content Moderation
Policy enforcement, review queues, and handling sensitive material with a steady hand.
Quality Assurance
Rating, auditing, and calibration work where precision matters more than speed.
AI Data Annotation
micro1-certified. Video annotation, data review, and evaluation for AI training.
Caption Verification
1,170+ verification tasks at a 100% quality score — consistent, guideline-true judgment at volume.
Trust & Safety
Policy judgment, edge cases, and keeping platforms safe without overreach.
Fast, Accurate Typing
High-throughput text work without sacrificing correctness.
Deep PC Gaming Knowledge
Lifelong PC gamer with deep knowledge across almost every genre — mechanics, systems, and meta.
Game Analysis & Evaluation
Breaking down gameplay systems, balance, and player experience — for testing, annotation, and review work.
Website Maker Agents
Directing AI agents that design, write, and ship websites — from prompt to published page.
Animator Agents
Working with AI agents that turn ideas and scripts into animation and motion content.
Information Agents
Using research agents that gather, verify, and synthesize information at scale.
QA Agents
Hands-on with QA agents that test, review, and evaluate output quality systematically.
Attention to Detail
Spotting what others miss — in guidelines, in data, in edge cases.
English — Fluent
Full professional fluency, written and spoken. English-first work only.
Achievements
Milestones worth mentioning.
AI Trainer @ micro1
Producing AI training data on contract: 1,170+ caption-verification tasks submitted at a 100% quality score.
Employee of the Month ×9
Awarded Employee of the Month nine times across organizations — consistent top-tier performance.
micro1 Certified — AI Data Annotation
Certified for AI data annotation work: video annotation, data review, and evaluation tasks for training AI systems.
X Community Notes Contributor
Active contributor with a note rated "Helpful" and seen by 3,100+ people — public-interest fact-checking at scale.
8+ Years in Operations & Safety
Continuous salaried career across Wipro, TaskUs, and Billgosling — enterprise process, platform moderation, and quality analysis.
WAC Certified Game Developer & Tester
Certified in Game and Interactive Media Design from Delhi Technological University — formal training in game development and game testing.
Ubisoft Mobile Game Titles
Collaborated with a team of 32 in the development of Ubisoft mobile game titles — shipping real games with real players.
450+ Critical Bugs Found
Identified and documented 450+ critical bugs across 3 major mobile game releases, reducing post-launch issues by 68%.
99.7% Bug Verification Accuracy
Bug verification accuracy of 99.7% — consistently 16% above the team average across game testing sprints.
Open To
Remote freelance and contract work, worldwide.
- Content moderation & trust & safety
- AI data annotation & evaluation
- Quality rating & QA review
- Video annotation projects
- Game testing & gameplay evaluation
- Gaming data & annotation projects
- Policy & red-teaming tasks
Contact
The fastest way to reach me.