I am a curious and dynamic marketing professional specialised in Search Engine advertising, with 11+ years of experience in digital marketing strategies, planning and execution of online campaigns across e-commerce, lead-gen, B2B, and agencies. I focus on data-driven results, ROAS and CRO, and I enjoy building strong, trustworthy relationships with advertisers across diverse cultures. As a freelancer, I have worked with companies across the globe, helping them grow through SEM, Display, YouTube, and branding initiatives. I’m interested in remote opportunities where I can contribute to significant growth and to continue learning as part of a collaborative team.

Samille Ferreira dos Santos

I am a curious and dynamic marketing professional specialised in Search Engine advertising, with 11+ years of experience in digital marketing strategies, planning and execution of online campaigns across e-commerce, lead-gen, B2B, and agencies. I focus on data-driven results, ROAS and CRO, and I enjoy building strong, trustworthy relationships with advertisers across diverse cultures. As a freelancer, I have worked with companies across the globe, helping them grow through SEM, Display, YouTube, and branding initiatives. I’m interested in remote opportunities where I can contribute to significant growth and to continue learning as part of a collaborative team.

Available to hire

I am a curious and dynamic marketing professional specialised in Search Engine advertising, with 11+ years of experience in digital marketing strategies, planning and execution of online campaigns across e-commerce, lead-gen, B2B, and agencies.
I focus on data-driven results, ROAS and CRO, and I enjoy building strong, trustworthy relationships with advertisers across diverse cultures.

As a freelancer, I have worked with companies across the globe, helping them grow through SEM, Display, YouTube, and branding initiatives. I’m interested in remote opportunities where I can contribute to significant growth and to continue learning as part of a collaborative team.

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Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
French
Beginner
German
Beginner
Dutch
Advanced
Portuguese
Fluent

Work Experience

Marketing Specialist - Google Ads at SFDS Marketing
January 1, 2019 - Present
Freelance marketing specialist focusing on digital marketing strategies, SEM, display and video campaigns; responsible for planning, execution and measurement aligned to client goals, building trust with advertisers and driving ROI across diverse markets.
Sales Team Leader at Google Brazil (Ttech)
December 31, 2018 - September 30, 2025
Responsible for customer relationship and e-commerce operations. Led the operations/back-office team, supported logistics and compliance for international transactions, and developed interpersonal skills, negotiation abilities, and cross-functional collaboration.
Online Marketing Intern at DG Câmbio (Exchange Bank)
December 31, 2017 - September 30, 2025
Planned, executed and managed SEM campaigns (Display, Google, Bing) for three brands in the transcription service business (DACH & Benelux). Turned an unprofitable strategy into a profitable one and contributed to significant revenue growth over a multi-year collaboration.
E-commerce Team Leader at Confiance Câmbio (now Travelex Group)
December 31, 2015 - September 30, 2025
Led early-stage currency exchange e-commerce, started as customer service for first transactions, created training manuals, scaled the team from 5 to 15, and translated feedback into CX/UX improvements and new features.
Relationship Manager at Unovasoft
December 31, 2013 - September 30, 2025
Prospected and managed relationships with startups needing online advertising services; coordinated content freelancers and developed online ad strategies and communications.
Founder at MSDV Services / Samillef.com
December 31, 2019 - September 30, 2025
Founded and ran a personal brand focused on digital marketing consultancy and management projects; provided strategic advice, planning and execution of campaigns, and knowledge transfer to clients.
Founder / Marketing Consultant at SFDS Marketing
January 1, 2019 - Present
Developing strategies for SMEs and advertisers on Google AdWords, managing relationships with more than 150 companies per quarter, aligning strategies with client goals, improving measurement and ROI, and driving growth through SEO, Display, and YouTube campaigns. Built trusted, long-term partnerships and translated insights into actionable marketing plans across B2B and B2C contexts.
Founder / Consultant at Samillef.com
December 31, 2019 - September 30, 2025
Personal branding and consultancy offering strategic advice, planning and execution of SEA, Display, YouTube, and cross-channel campaigns. Focused on knowledge transfer, onboarding, and helping clients scale profits through data-driven marketing across multiple markets.
Sales Team Leader at Google Brazil (Ttech)
December 31, 2018 - September 30, 2025
Responsible for customer relationship and e-commerce operations, leading the operations team, bridging offline processes to online platforms, and supporting international transactions with a focus on accuracy and customer service.
Online Marketing Intern at DG Câmbio (Exchange Bank)
December 31, 2017 - September 30, 2025
Planning, execution and management of SEM campaigns using Display, Google and Bing ads for three brands in the DACH & Benelux markets. Helped transform an unprofitable strategy into revenue growth over three years, including a key brand acquisition.
Relationship Manager at Unovasoft
December 31, 2013 - September 30, 2025
Startup role prospecting new clients for online advertising services; outsourced content creators and freelancers; developed online advertising strategy and all communications.
E-commerce Manager at Marcela Castro Semijóias
December 31, 2015 - September 30, 2025
Managed WordPress site, product pricing, photography, Photoshop editing and e-commerce logistics; planned and managed Instagram and Facebook content in combination with paid ads to support production to sale.
Marketing Specialist - Google Ads at SFDS Marketing
January 1, 2019 - Present
Developed strategies for SMEs and advertisers on Google Ads, managing relationships with over 150 companies per quarter, aligning strategies with client marketing goals, improving measurement and ROI, and supporting B2B/B2C campaigns. Demonstrated success in Display (3x higher conversion vs. search) and YouTube campaigns (40% sales growth).
Sales Team Leader at Google Brazil (Ttech)
January 1, 2018 - Present
Responsible for customer relationship and e-commerce operations; led operations back-office and logistics, supported compliance for international transactions; improved interpersonal communication, team dynamics, and negotiation, bridging offline to online processes.
Online Marketing Intern at DG Câmbio (Exchange Bank)
January 1, 2017 - September 30, 2025
Planned, executed and managed SEM campaigns using Display, Google and Bing ads for three brands in the transcription service business (DACH & Benelux). Achieved revenue and profit growth from previously unprofitable years; gained cross-cultural experience and learned a new language.
E-commerce Team Leader at Confidence Câmbio (now Travelex Group)
January 1, 2015 - September 30, 2025
Involved in the early stages of implementing the currency exchange e-commerce. Started with customer service for initial transactions, developed internal manuals, scaled the e‑commerce team from 5 to 15, structured processes, translated feedback into features, and supported marketing and sales goals.
Relationship Manager at Unovasoft
December 31, 2013 - September 30, 2025
Prospected new clients (startups) for online advertising services; outsourced content creators and freelancers; developed online advertising strategy and communications.
E-commerce Manager at Marcela Castro Semijoias
December 31, 2015 - September 30, 2025
Managed WordPress site, product specification, photo shoots, Photoshop editing, and e-commerce logistics; planned and managed Instagram and Facebook content with paid ads; oversaw end-to-end production process.
Founder at Samillef.com
January 1, 2019 - September 30, 2025
Personal brand focused on strategic advice, planning and execution of campaigns, knowledge transfer, and close collaboration with C-level executives and founders to onboard hires, retain clients, and scale profits; emphasis on SEA, Display and YouTube.
Freelance Marketing Consultant at SFDS Marketing
January 1, 2019 - Present
Delivered data-driven online marketing solutions for clients across Brazil, Netherlands, Germany, France, New Zealand, and Australia; industries included Real Estate, Book publishers, Food brands, Lawyers, fashion, etc.; focus on ROI and growth.

Education

Online Marketing and Data Science at HBO
January 11, 2030 - September 30, 2025
Economics - BSc (incomplete) at FIAP - São Paulo
January 11, 2030 - November 1, 2019
Economics at Universidade Moura Lacerda - Ribeirão Preto
January 1, 2015 - January 1, 2016
Online Marketing and Data Science at HBO
January 11, 2030 - September 30, 2025
Economics - BSc at FIAP
January 11, 2030 - November 1, 2019
Course work at Universidade Moura Lacerda
January 1, 2015 - January 1, 2016
Online Marketing and Data Science at HBO
January 11, 2030 - September 30, 2025
Economics - BSc (incomplete) at FIAP
January 11, 2030 - November 1, 2019
Economics - BSc at Universidade Moura Lacerda
January 1, 2015 - January 1, 2016

Qualifications

Online Marketing and Data Science
January 11, 2030 - September 30, 2025
Economics - BSc (incomplete)
January 11, 2030 - November 1, 2019

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Retail, Education, Real Estate & Construction