I am an experienced freelancer with a long, proven track record of delivering high-quality work for both Upwork clients and those outside the platform.
Currently, I work as an AI Model Rater and Trainer, utilizing specialized tools to annotate data and refine machine learning specifications.
Alongside my AI work experience, I bring over 15 years of dedicated work and specialization in data entry (knowledge base) and operational support.
I am passionate about accuracy and look forward to providing your business with exceptional, detail-oriented service.
General Transcription
Writing
Online Research
Data Entry
Data Curation
Data Quality Assessment
Caption
Image Annotation
Cristel Nina G. A.
Cabuyao, Philippines
$10/hr
5.0
1 jobs
I am a detail-oriented professional with experience in AI data annotation, quality assurance, data entry, Excel, and basic CRM and automation.
I have experience evaluating AI-generated content, identifying errors and inconsistencies, following detailed guidelines, and maintaining accuracy in structured data tasks.
I also have experience working with client systems, organizing and updating data, and handling basic CRM and automation processes.
With a background in Computer Engineering, I enjoy working with data, systems, and processes. I am analytical, detail-oriented, and comfortable working independently to identify issues and find practical solutions.
I can help with:
๐น AI Data Annotation & AI Response Evaluation
๐น Data Entry & Data Management
๐น Microsoft Excel & Google Sheets
๐น CRM Data Management
๐น Basic CRM & Automation
๐น Workflow Testing & QA
๐น Data Cleaning and Verification
๐น Product/Data Management
I am currently expanding my skills in GoHighLevel (GHL), CRM, and workflow automation, with a focus on building practical systems that help businesses organize leads and automate repetitive tasks.
I value accuracy, clear processes, and reliable work, and I am interested in building long-term working relationships with clients.
Microsoft Office
Data Entry
Microsoft Excel
Adobe Photoshop
Ecommerce Website Development
Photo Editing
Amazon Listing Optimization
eBay Listing
Typing
Muaaz A.
Faisalabad, Pakistan
$5/hr
5.0
8 jobs
I'm Reliable Advanced Data Entry & Data Collection Specialist, with solid experience in B2B Lead Generation & Data Researcher, and AI Data annotation & Labeling Expert...
Over the past 2+ years, I helped businesses and built prospect lists across multiple industries, managed data entry and CRM workflows for real estate and e-commerce clients, and worked hands-on with CVAT and Roboflow on AI annotation projects. I move between structured data (spreadsheets, CRM records, product listings) and unstructured data (web research, image labeling, PDF extraction) without losing accuracy or speed.
โ ๐ ๐ ๐ฆ๐ธ๐ถ๐น๐น๐ ๐ฎ๐ป๐ฑ ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ:
๐๐ผ Data Research & Lead Generation
๐๐ผ Data Entry
๐๐ผ Data Collection
๐๐ผ Data Mining
๐๐ผ AI Data Research & Verification
๐๐ผ Data Extraction
๐๐ผ LinkedIn Lead Research
๐๐ผ Prospect List Development
๐๐ผ Email & Phone Finding
๐๐ผ LinkedIn & Email Outreach
๐๐ผ CRM Management (Salesforce, HubSpot, Zoho, Pipedrive, GHL)
๐๐ผ Data Annotation & AI/ML Data Prep
๐๐ผ Data Annotation
๐๐ผ Image Labeling
๐๐ผ CVAT
๐๐ผ Roboflow
๐๐ผ AI/ML Ready Data Preparation
๐๐ผ General & Admin Support
๐๐ผ Microsoft Office & Excel
๐๐ผ PDF Conversion
๐๐ผ Web Research
๐๐ผ E-commerce Product Listing
๐๐ผ Real Estate Data Entry & Property Listings
Let's talk about your project and how I can help. Just send me a message or invite me. I usually respond within minutes.
Cheers,
Muaaz
Data Entry
Data Annotation
B2B Lead Generation
Lead Generation
Data Collection
CVAT
Roboflow
LinkedIn Lead Generation
Prospect List
Data Mining
Data Extraction
CRM Software
Salesforce
Microsoft Excel
PDF Conversion
Market Research
Online Research
Email Outreach
SEO Keyword Research
Ariful I.
Chittagong, Bangladesh
$6/hr
4.8
283 jobs
๐ ๐ง๐ผ๐ฝ ๐ฅ๐ฎ๐๐ฒ๐ฑ ๐ฃ๐น๐๐ | ๐๐ฎ๐๐ฎ๐ฏ๐ฎ๐๐ฒ & ๐๐ฑ๐บ๐ถ๐ป ๐ฆ๐๐ฝ๐ฝ๐ผ๐ฟ๐ โข ๐๐ ๐๐ฎ๐๐ฎ ๐๐ป๐ป๐ผ๐๐ฎ๐๐ถ๐ผ๐ป โข ๐๐ฎ๐ ๐๐ฒ๐ฎ๐ฑ ๐๐ฒ๐ป๐ฒ๐ฟ๐ฎ๐๐ถ๐ผ๐ป
๐ 47,000+ Hours Logged | 250+ Successful Projects | 100% Job Success Score | 10+ Years Experience
Need clean training data, sales-ready lead lists, or a database you can finally trust? I help AI teams, B2B companies, and busy founders turn messy, unreliable data into decision-ready assetsโaccurate the first time and delivered on deadline.
๐ก ๐ช๐ต๐ฎ๐ ๐ ๐๐ผ
My skills and tools are built to take your business to the next level across data, sales, eCommerce, and admin.
๐ค ๐๐ & ๐ ๐ ๐๐ฎ๐๐ฎ ๐๐ป๐ป๐ผ๐๐ฎ๐๐ถ๐ผ๐ป
- Data labeling & annotation (text, image, NLP)
- Text classification, NER, sentiment labeling
- Bounding boxes, segmentation, LLM & RLHF training data
๐ฏ ๐๐ฎ๐ ๐๐ฒ๐ฎ๐ฑ ๐๐ฒ๐ป๐ฒ๐ฟ๐ฎ๐๐ถ๐ผ๐ป
- Advanced lead generation & verified prospect lists
- LinkedIn expert โ Sales Navigator targeting (industry, title, location)
- Contact enrichment & ICP-matched outreach
๐ ๐-๐๐ผ๐บ๐บ๐ฒ๐ฟ๐ฐ๐ฒ ๐ ๐ฎ๐ฟ๐ธ๐ฒ๐๐ฝ๐น๐ฎ๐ฐ๐ฒ ๐๐ ๐ฝ๐ฒ๐ฟ๐
- Amazon, eBay, Shopify, and WooCommerce store management
- Product research, data entry, and professional listing creation
- Bulk product uploads, variations, and inventory management
- SEO-optimized titles, descriptions, keywords, and item specifics
- Catalog organization, listing updates, and error resolution
- Competitor analysis, price matching, and market research
- Order processing, customer support, and daily store operations
- Product image editing, resizing, and listing optimization
๐ ๐๐ฎ๐๐ฎ ๐๐ป๐๐ฟ๐, ๐ ๐ถ๐ป๐ถ๐ป๐ด & ๐ฅ๐ฒ๐๐ฒ๐ฎ๐ฟ๐ฐ๐ต
- Advanced data entry, cleaning & formatting
- Data mining & in-depth data research
- Web & market research, business intelligence
๐ ๐ฉ๐ถ๐ฟ๐๐๐ฎ๐น ๐๐๐๐ถ๐๐๐ฎ๐ป๐ฐ๐ฒ & ๐๐ฑ๐บ๐ถ๐ป
- Virtual assistant & admin support
- Customer support (email, chat, ticketing)
- Database management & file maintenance
๐ฏ ๐ช๐ต๐ฎ๐ ๐ ๐ฎ๐ธ๐ฒ๐ ๐ ๐ฒ ๐๐ถ๐ณ๐ณ๐ฒ๐ฟ๐ฒ๐ป๐
I don't just hand over data โ I deliver clean, verified, decision-ready work.
- Manual verification for high accuracy (no junk leads, no sloppy labels)
- Structured workflows & clear documentation
- Fast turnaround without cutting corners
- Scales from one-off tasks to large ongoing projects
- Available as a solo expert or team-based support
๐ ๐ง๐ฟ๐ฎ๐ฐ๐ธ ๐ฅ๐ฒ๐ฐ๐ผ๐ฟ๐ฑ
- 47,000+ hours logged on Upwork
- 250+ completed projects, zero missed deadlines
- 100% Job Success Score, protected for 10 years
- Long-term clients across the US, UK, Canada, Australia & Europe
๐ ๐ง๐ผ๐ผ๐น๐ & ๐ฃ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ๐
LinkedIn Sales Navigator โข Apollo โข ZoomInfo โข Hunter
HubSpot โข Salesforce โข Zoho โข Pipedrive
Excel โข Google Sheets โข Microsoft Office
Amazon Seller Central โข eBay โข Annotation: Labelbox, CVAT
โญ ๐ช๐ต๐ฎ๐ ๐ฌ๐ผ๐ ๐๐ฎ๐ป ๐๐ ๐ฝ๐ฒ๐ฐ๐
โ High-accuracy, verified data
โ Clear communication & fast response
โ Reliable delivery, every deadline
โ A long-term support mindset
๐ค ๐๐ฒ๐'๐ ๐ช๐ผ๐ฟ๐ธ ๐ง๐ผ๐ด๐ฒ๐๐ต๐ฒ๐ฟ
If you need data annotation, lead generation, Amazon/eBay support, research, or virtual assistance, send me a message or project invite. I respond fast and can start right away โ so you can focus on growing your business.
Email Marketing
Data Entry
Business Intelligence
Data Analysis
Data Labeling
Sales Lead Lists
Content Management
Microsoft Office
Customer Support
Artificial Intelligence
File Maintenance
Administrative Support
Ryan Jose B.
Muntinlupa, Philippines
$20/hr
5.0
3 jobs
I build AI agents and automation that take 20 hours a week of manual work off your team. These systems run in production, show their work, and stop instead of guessing when they cannot back an answer.
Where I can help:
AI agent development: research, outreach, triage, and drafting that run on their own, with a human check where a wrong answer is expensive.
RAG that cites its source: answers grounded in your own documents, with the exact passage shown. When your source does not cover it, the system says so instead of inventing an answer.
Workflow automation: lead generation, CRM hygiene, and repeatable processes your team can run without me. Built with n8n, Clay, HubSpot, and Apify.
Data and integrations: Supabase, PostgreSQL, and SQL underneath, plus MCP servers so agents can reach real data with clear limits on what they may see and do.
Proof you can open right now:
- A live chatbot (resume.ryanjosebrosas.dev) that answers questions about my work and shows the exact page and passage behind every answer.
- A live dashboard (dashboard.ryanjosebrosas.dev) that tracks what AI agents cost and how fast they run, with a guard that stops prompt text from leaving the machine.
- Case studies with evidence attached (ryanjosebrosas.dev), including the parts that did not work.
@ my last role I built lead generation automation that saved the team 10 to 15 hours every week and brought in 3 to 5 qualified leads per campaign.
Why me: I came up through marketing, support, and client delivery before I moved into engineering, so I know how teams actually work. That is usually the difference between automation people adopt and automation people quietly stop using.
Tools: TypeScript, Mastra, Pydantic AI, AI SDK, RAG, MCP, Supabase, PostgreSQL, n8n, Clay, Apify, HubSpot. I stay model agnostic (OpenAI, Claude, DeepSeek, GLM, Kimi) so you are never locked into a vendor.
Next step: send me a message with the job that keeps eating your week, or click Schedule a Meeting for a 15-minute slot. I will confirm it.
AI Chatbot
AI Agent Development
LLM Prompt
LLM Prompt Engineering
OpenAI API
OpenAI Embeddings
Claude
Python
TypeScript
PostgreSQL
Supabase
API Integration
CRM Automation
AI Development
FastAPI
AI Bot
AI App Development
AI Implementation
AI Product Management
AI Writing Generator
Hao V. P.
Ho Chi Minh City, Vietnam
$18/hr
4.3
39 jobs
๐ Expert AI Agent Engineer | LLMs | RAG | Context Engineering | Agent Platform
โฝ๏ธ What I can do for you :
โฆ Design and build multi-agent systems where specialized agents collaborate to complete complex, multi-step tasks (using LangChain, LangGraph, CrewAI, or raw OpenAI/Anthropic APIs)
โฆ Implement tool-use and function-calling pipelines (web search, database queries, API calls, code execution, and custom business logic)
โฆ Build RAG-powered agents that retrieve and reason over your proprietary documents (PDF, Excel, internal knowledge bases)
โฆ Build GraphRAG agents backed by a knowledge graph for structured, relationship-aware reasoning
โฆ Automate agentic workflows with n8n or Celery - triggered by schedules, events, or user input, running fully autonomously
โฆ Deploy agents as production-ready REST APIs (FastAPI) on AWS (EC2, Lambda) with scalable, async architectures
โฆ Integrate agents into your existing systems and products with clean, maintainable interfaces
What I specialize in:
- RAG & GraphRAG systems: including knowledge graph-powered assistants for clinical diagnosis support or Customer Support
- LLM Agents & multi-agent workflows: autonomous pipelines that handle complex, multi-step user requests
- LLM fine-tuning: on OpenAI, Gemini, Groq, and open-source models for domain-specific tasks
- End-to-end AI pipelines: from raw data ingestion (PDF, Excel) to vectorization, retrieval, and API delivery
Results I've delivered:
- Built a healthcare GraphRAG assistant that processes 100MB+ clinical documents and analyzes node relationships in under 3 minutes โ shipped in 1 month
- Contributed to an AI brand monitoring platform that helped acquire 10 paid clients within 2 months of launch
- Delivered a banking LLM chatbot achieving 80% accuracy within a 1-month development window
- Achieved 92% license plate recognition accuracy on a constrained dataset of only 300 images for a Panasonic parking system
Beyond execution, I actively track the latest SOTA research, reading recently published papers and integrating cutting-edge approaches directly into production systems. Your project benefits not just from solid engineering, but from knowledge of what actually works in practice right now.
I'm always ready to connect. Please don't hesitate to message me.
Artificial Neural Network
Data Science
Python
Machine Learning
R
SQL
ChatGPT
Microsoft Excel PowerPivot
Data Analysis
ETL Pipeline
Database
Data Visualization
Microsoft Excel
Vision-Language Model
Artificial Intelligence
Data Warehousing & ETL Software
Microsoft Power BI
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