Brazil - Senior ML Engineer

Please, follow FitNext LinkedIn page: https://www.linkedin.com/company/fitnext-consulting/ *

Following

LinkedIn URL profile *

GitHub / personal website / portfolio link?

Country of residence *

What is your expected rate per month in USD? *

English Level *

A1: Beginner
A2: Basic
B1: Intermediate
B2: Advanced Intermediate
C1: Advanced
C2: Proficient

Do you have hands-on experience with AI? If yes, please briefly describe it *

Do you have any international experience? If so, with which company? *

What is your availability to start work? *

What is your current level of hands-on experience building AI/ML systems? *

7+ years
5–7 years
3–5 years
No professional AI/ML experience

Have you worked hands-on with large-scale foundation models? *

Yes — I have designed and/or implemented foundation models
Yes — I have trained, fine-tuned, or optimized foundation models
I have worked with large AI/ML models, but not foundation models
No

Which best describes your experience with CUDA? *

Extensive professional experience with CUDA C/C++ and custom CUDA kernels
Professional CUDA experience, but limited custom kernel development
Basic / academic CUDA experience
No CUDA experience

Have you worked with distributed or large-scale model training/inference? *

Yes — extensive production experience
Yes — some professional experience
Academic / research experience only
No

Have you worked directly on optimizing deep learning model performance? *

Yes — extensively, including profiling, optimization, and debugging
Yes — some experience
Limited academic experience
No

Which deep learning frameworks have you used professionally? *

Do you have professional experience with modern model architectures such as MoE or State-Space Models? *

Yes — MoE
Yes — State-Space Models
Yes — both
I have worked with other advanced model architectures
No

Have you taken AI/ML models from research or experimentation into production? *

Yes — multiple times
Yes — once
Only research / experimentation
No

Have you worked in an early-stage startup or highly ambiguous environment? *

Yes — extensively
Yes — some experience
No, but I am comfortable with this environment
No

Would you be interested in relocating to London if the opportunity and compensation were right? *

Yes
Maybe / open to discussing
No — Brazil remote only

Are you currently involved in any other interview processes? *

Yes — early stage
Yes — mid/late stage
Yes — final stage / offer stage
No, I’m not currently interviewing elsewhere

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