Salvador Sobral
@salvadorsobral
I’m a Freelance Data & Language Specialist combining AI data annotation, translation, and evaluation with fast, detail-focused work.
What I'm looking for
I’m a Data & Language Specialist with a strong analytical mindset, excellent attention to detail, and a drive to deliver high-quality results. I enjoy working in international and remote environments where accuracy and speed both matter.
In freelance AI-related projects, I collaborate with international platforms on data annotation, search evaluation, audio evaluation, transcription, and translation. I evaluate, validate, and annotate data while maintaining high accuracy and quality standards, and I follow detailed project guidelines to deliver reliably.
Before freelancing, I worked in customer service in a fast-paced retail environment—handling cash and card transactions accurately and ensuring a positive customer experience. That experience strengthened my ability to stay organized, adapt quickly, and support efficient daily operations.
I’m also building my digital marketing foundation through my Higher Professional Technical Course in Digital Marketing and Social Media, using tools like Canva, Figma, and CapCut. I contributed to a digital marketing strategy project with Estrelada Amadora, including market research, competitor analysis, and strategic recommendations to strengthen the club’s digital presence.
Experience
Work history, roles, and key accomplishments
Freelance Data & Language Specialist
Self-Employed
Jun 2026 - Present (1 month)
Collaborated with international platforms on AI-related data annotation and evaluation tasks, including audio evaluation and transcription/translation. Independently completed remote projects with high accuracy and quality while adapting to tools, workflows, and guidelines.
Customer Service Assistant
Sonae Retail
May 2025 - Nov 2025 (6 months)
Delivered excellent customer service in a fast-paced retail environment and processed cash and card transactions accurately. Replenished and organized product displays while collaborating with the team to support daily operations.
Education
Degrees, certifications, and relevant coursework
Polytechnic Institute of Cávado and Ave (IPCA)
Higher Professional Technical Course (CTeSP), Digital Marketing
2024 -
Activities and societies: Academic projects using Canva, Figma, and CapCut; contributed to a digital marketing strategy project in collaboration with Estrelada Amadora.
Pursuing a Higher Professional Technical Course (CTeSP) in Digital Marketing with practical training in branding, social media management, and content creation. Completed academic projects using tools such as Canva, Figma, and CapCut.
Availability
Location
Authorized to work in
Job categories
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