Maria Celeste M.
Data Entry & Data Quality Specialist | Lead Gen & Virtual Assistance
Looking for a data expert who delivers accurate, clean data on time? With 5+ years of experience in data entry, lead generation, and data custodianship, I specialize in producing high-quality, actionable data that meets rigorous standards for accuracy and reliability. How I Can Help Your Business: 🔍 Lead Generation & Contact Finding • Expert in sourcing and verifying leads to fuel successful marketing campaigns • Skilled with tools like Screaming Frog, Email Verify List, Excel, and Google Sheets • Proven record of delivering verified contact lists tailored to client needs 🧹 Data Cleaning & Management • Manage and clean up to 30,000 data rows weekly with a 98% accuracy rate • Advanced proficiency in Excel and Google Sheets for efficient data cleaning, formatting, and analysis • Experienced in identifying and correcting errors to maintain data integrity 📊 Virtual Assistance Services • Skilled in administrative and back-office support tasks to streamline operations • Experienced in data entry, document management, and task coordination • Adaptable and efficient, ready to support your team’s administrative needs ⚡AI Tools & Prompt Engineering • Surface-level to intermediate experience with AI tools including ChatGPT, Gemini, and Claude. • Capable of crafting effective prompts to accelerate repetitive tasks, research, and overall workflow efficiency. ⭐ Skills Overview Data Entry & Data Custodianship Data Cleaning & Validation Lead Generation & Contact Verification Excel & Google Sheets Expertise Data Management Tools (Screaming Frog, Email Verify List, MS Access) Virtual Assistance Services Let’s connect to discuss how my skills and experience can add value to your data projects. I look forward to helping you achieve clean, actionable data for your business needs.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $893
Billed in all: $36,694$37k
$893 in the last 6 months
Across 7 contracts
Earnings, last 30 days
Skill rankings: Top 27% in Microsoft Access
Ranked by MRR among everyone on Upwork with the skill.
- #183General Office Skills645 freelancers · 🇵🇭 #80Top 28%🇵🇭#80 of 228
- #234Microsoft Access862 freelancers · 🇵🇭 #94Top 27%🇵🇭#94 of 223
- #1,368Data Cleaning3,952 freelancers · 🇵🇭 #170Top 35%🇵🇭#170 of 398
- #2,386Google Docs8,007 freelancers · 🇵🇭 #1,169Top 30%🇵🇭#1,169 of 3,336
- #2,726Online Research8,217 freelancers · 🇵🇭 #912Top 33%🇵🇭#912 of 2,428
- #3,252Google Sheets9,300 freelancers · 🇵🇭 #1,155Top 35%🇵🇭#1,155 of 2,989
- #9,313Lead Generation26,344 freelancers · 🇵🇭 #2,724Top 35%🇵🇭#2,724 of 7,654
- #10,145Microsoft Excel32,523 freelancers · 🇵🇭 #3,381Top 31%🇵🇭#3,381 of 9,316