Sergio Pereyra is a Project Management freelancer based in Santa Cruz, Bolivia with 474 verified projects, verified Upwork reputation, LanceRank Score 93 (Trusted Leader), last updated 2026-07-11 on LanceRank.
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I help startups build reliable web and mobile apps using React, React Native, Node.js, Firebase, and AI. I focus on clean, scalable solutions and clear communication from idea to launch.
Track Recordup to 35 pts
474 verified projects · $400K+ tracked earnings · 24,558 hours logged at 4.95/5 across 474 reviews.
33.3/35
95%
Recency & Tenureup to 20 pts
Very recently active, less than a year tenure.
15.9/20
80%
Claimant Credibilityup to 20 ptsFull marks
Verified via LinkedIn + platform-ownership via extension + GitHub.
20/20
100%
Platform Credibilityup to 10 ptsFull marks
Elite credential held (Top Rated Plus).
10/10
100%
LinkedIn Endorsementsup to 10 pts
Connect LinkedIn via the extension to surface endorsements, recommendations, certifications, and freelance tenure.
0/10
0%
Skillsup to 5 pts
No passed skill quizzes yet.
0/5
0%
Scores recalculate automatically as new verified data arrives. Higher volume of verified work, stronger badge tier, and consistent rating quality are the biggest drivers.
Score History
How the score has changed over time
Last 6 days
925 Jul
9311 Jul
Score is recalculated each time new platform data or reviews are processed. One snapshot recorded per day.
