Sara Malvar

Software Engineer @ Microsoft
10+ years of experience with AI
United States of America
Speaks English, Spanish and Portuguese
5.0 (45 reviews) Active today Usually responds in a week

Services

$210 / month

Best suited if you need help changing career, building a portfolio and working on projects.

2 calls per month

Unlimited Q&A via chat

Expect responses in 2 days

Hands-on support

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About

I’m an Electrical Engineer with over 10 years of experience in data analytics and AI. I hold both a Master’s and a Ph.D. in Engineering, which have shaped my deep technical foundation.

Currently, I work at Microsoft, specializing in Generative AI, Large Language Models (LLMs), and copilots within the M365 ecosystem, following a tenure at Microsoft Research. My work blends research and engineering, from evaluating AI models to building impactful, real-world solutions, work that has led to multiple patents and publications.

Over the past 6 years, I’ve mentored 300+ students through MentorCruise, Udacity, and Data Science Dojo, helping them go from fundamentals in Data Science and Machine Learning to confidently applying those skills in projects, research, and industry roles. I’ve also consulted for companies like Shell, Fastshop, Symrise, and Petrobras on advanced AI and ML initiatives, giving me a strong perspective on what works in practice.

If you’re looking to strengthen your skills in DS, ML, or Generative AI, whether you’re a student, career-switcher, or working professional, I can help you create a personalized learning plan, master technical concepts, and build portfolio projects that stand out. Let’s connect on LinkedIn or send me a message here so we can start mapping your next step.

Looking forward!


What mentees say

Witold

Witold

5 out of 5 stars

Standard Plan · 
12 months

After a wonderful mentorship year with Sara I may only express my gratitude for Sara for being not only a wonderful mentor but also a person. With great ability to listen and giving insights and ideas, Sara has built great place for people who strive for a change - job change, learn new things etc. Truly wonderful experience!

Witold wrote 1 more review for the same mentorship
Witold

Witold

5 out of 5 stars

Sara is one of a kind mentor, I am super happy that we work together! Sara is unquestionable expert in the AI field with valuable insights and ideas. Every meeting with Sara ends with many thoughts to process, ideas to discover. Having these conversations is really inspiring and refreshing :) Sara is open-minded, focused on mentee and she is always tries to give specific, targeted insights about the topic. Working with Sara is a truly wonderful experience I would recommend to anyone interested in AI!

Luka

Luka

5 out of 5 stars

Standard Plan · 
6 months

Sara is an outstanding data science mentor. She helped me through my upskilling, job search, and acceptance negotiation. Now happy in my new job in large part thanks to her.

Luka wrote 2 more reviews for the same mentorship
Luka

Luka

5 out of 5 stars

Sara has been outstanding from the start! Excellent mentor, always ready to help however necessary. She was an important part of how I was able to land my latest job in data science!

Luka

Luka

5 out of 5 stars

Sara has been an amazing mentor. Always encouraging and always helpful for planning out the best way to prepare for interviews or plan my journey going forward.

Maximilian

Maximilian

5 out of 5 stars

Standard Plan · 
3 months

Sara is a great mentor. If you want to understand the whole LLM and AI engineering space you're in good hands. She really knows her way around the whole prompt engineering, RAG, evaluations and agents pipeline. It's a great feeling that I (as a PM) can explain all the parts of a RAG system to engineers and how to evaluate them.

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