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Alexander Junior S.

@Alexander752

5.0
8
3.7
3.7
88%

Expert Freelancer | 5+ Years of Versed Experience.

$9 USD / Hour
Flag of
Brazil (8:32 AM)
Joined on August 2, 2022
$9 USD / Hour
Detail-oriented professional with 5+ years of experience in customer service, translation, AI content evaluation, and data annotation. Fluent in Brazilian Portuguese and English, equipped with a strong understanding of language and cultural nuances. Proven ability to enhance operational efficiency and improve user experiences across various projects. Adaptable, goal-oriented, and committed to delivering high-quality results in dynamic environments.
Verifications
On time
100%
On budget
100%
Accept rate
100%
Repeat hire rate
9%

Portfolio

Portfolio

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10922302
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Changes saved
5.0 · 8 Reviews
Reviews
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The project is not completed according to the dispute
Victor Manuel L.
@vlujan
Flag of
San Miguel de Allende, Mexico
4 months ago
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Very professional. Great communication. Very reliable and hard working.
Abdulhamid M.
@abdomohug
Flag of
Cairo, Egypt
5 months ago
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amazing work. I 100% recommend working with Alexander
Thiago C.
@RecordingProject
Flag of
curitiba, Brazil
9 months ago
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E
Very good working attitude, try his best to assist me in completing all testing
Closed User
@evonne20210921
Flag of
,
1 year ago
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E
The best translation I've ever received! I'll keep your contact for future projects. Thanks a lot!!
Xavier V.
@emaux
Flag of
EL VENDRELL, Spain
2 years ago
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Experience
AI Training Quality Auditor
Aug, 2024 - Present
3 months, 29 days
SuperAnnotate
Aug, 2024 - Present
3 months, 29 days
As a Quality Auditor for AI Trainers at SuperAnnotate, I was responsible for checking and reviewing the accuracy of AI training data. I evaluated the work of AI trainers, gave constructive feedback, and helped improve their performance. My main focus was to ensure high-quality data, which played a key role in the
Aug, 2024 - Present
3 months, 29 days
Costumer Service Agent
Dec, 2022 - Present
1 year, 11 months
Influx
Dec, 2022 - Present
1 year, 11 months
This encompasses managing customer inquiries across multiple channels such as email, chat, SMS, and phone. This interaction with native speakers significantly contributes to the development and improvement of my language skills.
Dec, 2022 - Present
1 year, 11 months
AI Tutor
Jan, 2021 - Present
3 years, 10 months
Remotask
Jan, 2021 - Present
3 years, 10 months
AI tutor, focused on crafting prompts and evaluating bot responses to optimize AI performance.
Jan, 2021 - Present
3 years, 10 months
Education
Universidade Federal de Goiás
2016 - 2021
5 years
Veterinary Medicine
Flag of
Brazil
2016 - 2021
5 years
Qualifications
EF SET English Certificate 82/100 (C2 Proficient)
2023
EF Standard English Test (EF SET)
The achieved English level is 82/100 on the EF SET score scale and C2 Proficient according to the Common European Framework of Reference (CEFR). The EF SET score is calculated as an average of the reading and listening scores. https://cert.efset.org/kh2fZr
2023
Certifications
P
Preferred Freelancer Program SLA
Freelancer Orientation
Freelancer Orientation
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