I’m Sara Costa, a Nutrition graduate with research experience and a strong focus on scientific education and data annotation. I work across AI training, quality control, and review of multimodal responses, while also applying rigorous data coding and statistical analysis practices (including SPSS) to support accurate, research-ready datasets. Alongside my annotation and analytics work, I’ve contributed as a nutritionist developing healthy, traditional recipes for frozen ready meals and ensuring nutritional adequacy and EU regulatory alignment. I also bring teaching experience from tutoring math and English to students, and I’m trained in scientific illustration—combining clear writing and visual storytelling to make complex scientific information easier to understand.…

Sara Costa

I’m Sara Costa, a Nutrition graduate with research experience and a strong focus on scientific education and data annotation. I work across AI training, quality control, and review of multimodal responses, while also applying rigorous data coding and statistical analysis practices (including SPSS) to support accurate, research-ready datasets. Alongside my annotation and analytics work, I’ve contributed as a nutritionist developing healthy, traditional recipes for frozen ready meals and ensuring nutritional adequacy and EU regulatory alignment. I also bring teaching experience from tutoring math and English to students, and I’m trained in scientific illustration—combining clear writing and visual storytelling to make complex scientific information easier to understand.…

Available to hire

I’m Sara Costa, a Nutrition graduate with research experience and a strong focus on scientific education and data annotation. I work across AI training, quality control, and review of multimodal responses, while also applying rigorous data coding and statistical analysis practices (including SPSS) to support accurate, research-ready datasets.

Alongside my annotation and analytics work, I’ve contributed as a nutritionist developing healthy, traditional recipes for frozen ready meals and ensuring nutritional adequacy and EU regulatory alignment. I also bring teaching experience from tutoring math and English to students, and I’m trained in scientific illustration—combining clear writing and visual storytelling to make complex scientific information easier to understand.

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Language

Portuguese
Fluent
English
Fluent
Spanish; Castilian
Intermediate
French
Intermediate

Work Experience

Data Annotator / Generalist (AI Training & Quality Control) at MERCOR®
September 1, 2026 - Present
Provide AI training and perform quality control and review of responses. Work with multimodal image expertise for assessment, ensuring consistency and accuracy in annotated outputs and evaluation results.
Data annotator / Generalist (AI training and quality control) at MERCOR®
September 1, 2026 - Present
Conduct AI training and perform quality control by reviewing and validating multimodal responses (including multimodal image assessment). Ensure response quality through structured review workflows and adherence to annotation guidelines.
Data Annotator / Generalist (AI training) at MERCOR®
September 1, 2026 - Present
Provided AI training and performed quality control by reviewing and validating multimodal image expert assessments and responses.
Nutritionist at SABGAL FOODS®
September 1, 2021 - January 31, 2025
Developed healthy and traditional food recipes for frozen pre-made meals, optimized costs, and ensured nutritional adequacy while overseeing EU food regulations.
Nutritionist at SABGAL FOODS®
May 1, 2021 - July 31, 2025
Created optimized healthy recipes for ready-frozen meals, developed and analyzed nutritional data from recipes, ensured data accuracy, supervised meal preparation, and supported maximal compliance within cross-functional teams.
Nutritionist at Sabgal Foods, S.A.
May 1, 2021 - January 1, 2026
Create optimized meals according to EU policy guidelines. Develop and analyze nutritional data from recipes and ensure data accuracy and compliance. Supervise meal preparation and optimize maximum compliance.
gastronomy experience host at Portugal with a Local
January 9, 2019 - Present
Deliver structured educational experiences and manage communication with international clients Walking tours in English and Portuguese
Private English and Maths Tutor
September 1, 2018 - Present
Adapted tutoring approach based on each student's progress, ensuring continuous growth in knowledge and skills (ages 3 to 11).
Natural Sciences & English Teacher (After-school learning centre) at TU ÉS CAPAZ After School Learning Centre
September 1, 2017 - Present
Provided individual math and English lessons to students in grades 5–12. Adapted learning materials to different ages and proficiency levels and supported students through personalized instruction and ongoing learning activities.
Math and English Teacher at TU ÉS CAPAZ after school learning centre
September 1, 2017 - Present
Delivered individual Math and English lessons for students in grades 5–12, adapting learning materials to different ages and proficiency levels.
Nutritionist & English Teacher (After-school) at TU ÉS CAPAZ After School Learning Centre
January 1, 2017 - Present
Provide individual math and English lessons to students in grades 5–12. Adapt learning materials based on students’ ages and proficiency levels, and support consistent learning progress through tailored instruction.
Researcher (Public Health) at Public Health Institute of the University of Porto | Medical School of the University of Porto
January 1, 2016 - June 30, 2017
Code cohort food records by building databases using Excel and Access and performing statistical analysis in SPSS. Supported a national survey by conducting interviews and coding participants’ food data into an Excel database. Co-authored and contributed to a scientific paper titled “The association of problematic eating behaviours with food quality and body mass index at 7 years of age” (European Journal of Clinical Nutrition).
Researcher, Public Health (cohort data coding and analysis) at Institute of Public Health, University of Porto | Medical School, University of Porto
January 1, 2016 - June 30, 2017
Coded cohort food records using Microsoft Excel and Access, built and managed databases, and performed statistical analysis using SPSS. Co-authored a scientific paper in the European Journal of Clinical Nutrition titled “The association of problematic eating behaviours with food quality and body mass index at 7 years of age.” Supported the Portuguese Food and Exercise Survey (IAN-AF) by conducting interviews and coding participants’ food data into an Excel database.
Researcher (Public Health) / Data coding and analysis at Institute of Public Health, University of Porto | Medical School of University of Porto
January 1, 2016 - June 30, 2017
Coded cohort food records using Excel and Access, built databases, and performed statistical analysis in SPSS. Supported the Portuguese Food and Exercise Survey (IAN-AF) by conducting interviews and coding participants’ food data into an Excel database. Co-wrote and edited a scientific paper titled “The association of problematic eating behaviours with food quality and body mass index at 7 years of age” in the European Journal of Clinical Nutrition.
Nutritionist (Clinical Nutrition) at Santo Antonio State Hospital
February 1, 2015 - July 1, 2015
Provide clinical nutrition consultations for pediatric and outpatient/inpatient populations. Deliver food and nutrition education sessions for children and older adults.
Nutritionist at Santo Antonio State Hospital
February 1, 2015 - July 31, 2015
Provided clinical nutrition consultations for pediatric inpatients and outpatients. Delivered nutrition education sessions for children and older adults and supported clinical nutrition management as part of hospital services.
Nutritionist at Santo António State Hospital
February 1, 2015 - July 31, 2015
Provided clinical nutrition consultations for pediatric inpatient and outpatient populations, and delivered nutrition education sessions for children and older adults.
Clinical Intern at Santo Antonio Hospital
February 1, 2015 - July 1, 2015
Dietary appointments to inpatients and outpatients of a public hospital. Lectured dietary education to patients.
Clinical Intern at Santa Antonio Hospital
February 1, 2015 - July 1, 2015
Dietary appointments to inpatients and outpatients of a public hospital. Lecturer of dietary education lectures for the patients.

Education

Bachelor's in Food Science at Faculty of Food Science of University of Porto (FCNAUP)
January 1, 2011 - January 1, 2015
Specialization in Scientific Illustration at Faculty of Science of University of Porto
January 1, 2021 - January 1, 2022
Bachelor in Food Science at University of Porto (FCNAUP)
January 1, 2011 - January 1, 2015
Specialization in Scientific Illustration at Faculty of Science, University of Porto (FCNAUP)
January 1, 2021 - January 1, 2022
Formação Pedagógica de Formadores at IEFP
January 1, 2014 - January 1, 2014
Bachelor degree, Nutrition Science at Faculdade de Ciências da Nutrição e Alimentação da Universidade do Porto (FCNAUP)
January 1, 2015 - January 1, 2015
Post graduation, Scientific Illustration at F. de Belas Artes / F. Ciências da Universidade do Porto
January 1, 2023 - January 1, 2023
Bachelor degree, Nutrition Science at Faculdade de Ciências da Nutrição e Alimentação da Universidade do Porto (FCNAUP)
January 1, 2015 - January 1, 2019
Post graduation, Scientific Illustration at F. de Belas Artes / F. Ciências da Universidade do Porto
January 1, 2020 - January 1, 2023
Bachelor degree - Nutrition Science at Faculty of Nutrition and Food Sciences (FCNAUP), University of Porto
January 1, 2015 - January 1, 2015
Post graduation - Scientific Illustration at Faculty of Fine Arts (FBAUP), University of Porto
January 1, 2023 - January 1, 2023

Qualifications

Bachelor in Food Science
January 1, 2011 - January 1, 2015
Specialization in Scientific Illustration
January 1, 2021 - January 1, 2022
Bachelor in Food Science
January 1, 2011 - January 1, 2015
Specialization in Scientific Illustration
January 1, 2021 - January 1, 2022
Formação Pedagógica de Formadores
January 1, 2014 - January 1, 2014
Scientific illustration training (post graduation)
January 1, 2020 - January 1, 2023
Scientific Illustration (Post-graduation)
January 1, 2023 - October 19, 2026

Industry Experience

Education, Healthcare, Life Sciences, Professional Services, Travel & Hospitality, Software & Internet