Jefferson (Luiz Fonseca Da) S.-QA Specialist
Check rate
Experience
QA Specialist
Interchemie Werken de Adelaar Eesti
- Drafting and reviewing SOPs (EU GMP Annex 1)
- Performing investigations of deviations and events (EU GMP Chapter 8)
- Supporting audit readiness and CAPA implementation
- Creation of batch manufacture review (EU GMP Annex 1)
Laboratory Manager
EPHAR
Led laboratory of pharmaceutical equivalence, QC, and analytical development
Managed 80-person team across 3 divisions
Conducted projects with method development and analytical validations, stability studies, forced degradation studies, dissolution and other techniques (HPLC, UHPLC, GC, spectrophotometers, ICP, LC-MS, titration)
Conducted pre-formulation projects (XRD, TGA, DSC, MS, particle size)
Oversaw project budgets and performance indicators
Cost management
KPI system
Analytical documentation program
Client communication plan
Analytical Development Manager
Vitamedic Indústria Farmacêutica LTDA
- Oversaw all analytical projects for registration and post-registration
- Analytical method development and validation for new product support (dissolution, stability, indicated methods, forced degradation studies, others)
- Pre-formulation (XRD, TGA, DSC, MS, particle size)
- Led nitrosamines and portfolio harmonization programs
- Implemented LIMS and new analytical R&D lab infrastructure
- Risk management (ICH Q3D, USP <232>/<233>)
- Dissolution method development
Analytical Development Supervisor
Vitamedic
- Supervised validation, stability, and dissolution studies
- Analytical method development and validation for new product support and post-registration (dissolution, forced degradation studies, others)
Senior Analytical Development Analyst
Fresenius Kabi
- DMF analysis to support manufacturer qualification
- Analytical method development and validation for new product support (UHPLC, HPLC, GC, dissolution profile)
Analytical Researcher
Brainfarma/Hypermarcas
- Developed methods and performed full API characterization to develop new associations (incremental innovation)
- Developed and transferred HPLC and UPLC methods
Senior QC Analyst
Teuto Brasileiro
- QC using HPLC, UV, IR, titration, potentiometry
- Method validation and pharmaceutical equivalence studies
Chemical Analyst
Genoma Laboratory
- Stability testing of pharmaceutical products
- Release tests for QC
- Method validation
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Pharmaceutical and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Quality Assurance, Research and Development, Product Development, and Project Management.
Summary
Experienced QA and Analytical Development Specialist with over 19 years in the pharmaceutical industry, focusing on GMP compliance, analytical Development, regulatory strategies, and quality systems. Proven leadership in managing cross-functional teams and laboratory operations. Strong knowledge of EU GMP, ICH and ANVISA`s guidelines, method validation, and quality risk management. Seeking to contribute technical and strategic expertise to international pharmaceutical organizations.
Analytical Development Manager or QC Manager
Languages
Education
State University of Goiás
Master in Organic Synthesis · Organic Synthesis · Brazil
State University of Goiás
Bachelor of Science in Chemistry · Chemistry · Brazil
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Jefferson is based in Tallinn, Estonia.
Jefferson speaks the following languages: Portuguese (Native), English (Advanced).
Jefferson has at least 17 years of experience. During this time, Jefferson has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 2 years and 2 months. Note that Jefferson may not have shared all experience and actually has more experience.
Based on recent experience, Jefferson would be well-suited for roles such as: QA Specialist, Laboratory Manager, Analytical Development Manager.
Jefferson's most recent position is QA Specialist at Interchemie Werken de Adelaar Eesti.
In recent years, Jefferson has worked for Interchemie Werken de Adelaar Eesti, EPHAR, Vitamedic Indústria Farmacêutica LTDA, and Brainfarma/Hypermarcas.
Jefferson is most experienced in industries like Pharmaceutical and Healthcare.
Jefferson is most experienced in business areas like Quality Assurance, Research and Development, and Product Development. Jefferson also has some experience in Project Management.
Jefferson has recently worked in industries like Pharmaceutical.
Jefferson has recently worked in business areas like Quality Assurance, Research and Development, and Product Development.
Jefferson holds a Master in Organic Synthesis from State University of Goiás and a Bachelor in Chemistry from State University of Goiás.
The availability of Jefferson needs to be confirmed.
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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