João Mira-Founder & Builder
Check rate
Experience
Founder & Builder
Franzie
- Led the "0 to 1" development and launch on App Store and Google Play, utilizing Mixpanel analytics to validate and refine features during a 100-user beta.
- Built the full-stack architecture using React Native and Supabase, integrating Gemini and ElevenLabs APIs to power personalized AI stories and speech-to-text.
- Engineered a custom spaced repetition algorithm to optimize vocabulary retention and personalize the learning path for users.
Product Manager II
Doctolib
- Led a digital check-in project to 2 million check-ins in its first 2 months, reducing wait times for pre-admitted patients.
- launched a centralized document management system to 5M+ monthly document views, saving thousands of hours annually.
Product Manager
Doctolib
- Developed a patient messaging platform for hospitals, later scaled and deployed to 100% of medical practices on Doctolib.
- Secured full KHZG compliance for the hospital product, directly enabling contracts with major hospital groups like Charité and Sana Kliniken.
Digital Product Manager
Grenion Brands
- Led the platform migration from WordPress to Shopify, completing the transition in just 3 months.
- Launched 3 new brand stores.
- Boosted the page value of our category pages by over 10%.
COO & Lead Product Manager
Startup Guide & Impact Index
- Directed the development of startupguide.com, a multi-city digital media platform and webshop for entrepreneurship content, then a leading platform in Europe's startup scene.
- Led the creation of a digital platform highlighting impactful startups, funded by a Danish government grant.
Enterprise Customer Advocate
Hootsuite
- Achieved a 97%+ CSAT by providing exceptional enterprise-level customer support, boosting software adoption, and adeptly prioritizing client queries across teams.
Senior Process Associate
Genpact
- Pioneered GSK’s first customer support service in Portugal, oversaw IT infrastructure setup, and executed operational audits.
Product Manager
Toyno
- Directed end-to-end development of new physical products (supply chain to go-to-market strategy) and built a complete in-house e-commerce platform from scratch.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Media and Entertainment, Retail, Healthcare, Education, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Information Technology, Customer Service, Business Intelligence, Supply Chain Management, and Audit.
Skills
- Agile
- Figma
- Sql
- React Native
- Genai / Llms
- Supabase
- Apis
- Mixpanel
Languages
Education
ISEG - Lisbon School of Economics & Management
Bachelor’s degree in Applied Maths to Economics & Management · Applied Maths to Economics & Management · Lisbon, Portugal
Certifications & licenses
Postgraduate Certificate in Foresight, Strategy and Innovation
ISEG - Lisbon School of Economics & Management
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
João is based in Berlin, Germany.
João speaks the following languages: Portuguese (Native), English (Advanced), German (Intermediate), Spanish (Intermediate).
João has at least 13 years of experience. During this time, João has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 2 years and 8 months. Note that João may not have shared all experience and actually has more experience.
Based on recent experience, João would be well-suited for roles such as: Founder & Builder, Product Manager II, Product Manager.
João's most recent position is Founder & Builder at Franzie.
In recent years, João has worked for Franzie, Doctolib, and Grenion Brands.
João is most experienced in industries like Information Technology, Media and Entertainment, and Retail. João also has some experience in Healthcare, Manufacturing, and Education.
João is most experienced in business areas like Product Development, Information Technology, and Customer Service. João also has some experience in Supply Chain Management, Business Intelligence, and Audit.
João has recently worked in industries like Healthcare, Retail, and Education.
João has recently worked in business areas like Product Development, Information Technology, and Business Intelligence.
João holds a Bachelor in Applied Maths to Economics & Management from ISEG - Lisbon School of Economics & Management.
João has 1 certificate: Postgraduate Certificate in Foresight, Strategy and Innovation.
The availability of João needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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