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Every Keras developer completes five vetting stages, including AI-powered screening, English and technical assessments, a soft skills interview, and a live technical interview with senior engineers.
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Talented Keras developers available now
Farid H.
Machine Learning Engineer
Azerbaijan
Trusted member since 2023
6 years of experience
Farid is a skilled Machine Learning Engineer with a history of working in various tech companies and research projects.
Expert in
Miguel A.
Data Scientist
Spain
Trusted member since 2025
7 years of experience
Miguel is an accomplished AI Engineer with seven years of hands-on, commercial experience architecting and deploying AI/ML solutions using Python, Apache Spark, Azure ML, and Databricks.
Expert in
Saad A.
Machine Learning Engineer
Germany
Trusted member since 2025
7 years of experience
Saad is an accomplished Machine Learning and Backend Engineer with over six years of experience in developing and deploying production-grade AI systems. He specializes in Python, OpenAI and Hugging Face LLMs, Retrieval-Augmented Generation (RAG) architectures, Azure, Snowflake, FastAPI, and SQL, delivering scalable, high-performance solutions for enterprise environments.
Expert in
João M.
Deep Learning Research Engineer
Netherlands
Trusted member since 2025
10 years of experience
João is a Deep Learning Engineer at ASML with over 10 years of experience in artificial intelligence.
Expert in
Luiz F.
Data Scientist
Hungary
Trusted member since 2024
6 years of experience
Luiz is a Data Scientist with six years of commercial experience specializing in Python, SQL, and Databricks.
Expert in
Fatih C.
Senior Data Scientist
Turkey
Trusted member since 2023
6 years of experience
Data Scientist with over 6 years of experience developing machine learning and deep learning solutions using Python and large-scale data frameworks. He specializes in computer vision, natural language processing, and predictive modeling applied to real-world business problems.
Expert in
Ufuk Y.
Data Scientist
Turkey
Trusted member since 2025
7 years of experience
Ufuk is a Data Scientist with over five years of commercial experience and strong expertise in Python and SQL. He specializes in machine learning, survival analysis, large-scale data processing, and Generative AI applications.
Expert in
Evangelos K.
Data Scientist
Greece
Trusted member since 2024
6 years of experience
Evangelos is a Data Scientist with five years of commercial experience in startups and multinational companies. Specializing in Python, PySpark, SQL, Azure Databricks, and PowerBI, he excels in developing predictive models, creating ETL pipelines, and conducting data quality checks.
Expert in
Farid H.
Machine Learning Engineer
Azerbaijan
Trusted member since 2023
6 years of experience
Farid is a skilled Machine Learning Engineer with a history of working in various tech companies and research projects.
Expert in
Keras
Data Analytics
Data Science
NumPy
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Three steps to your perfect Keras developer
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Application process
Our vetting process is one of the most rigorous in the industry. Over 20,000 developers apply each month to join our network, but only about 1% make it through. When a candidate applies, they’re evaluated through our Applicant Tracking System. We consider factors like years of experience, tech stack, rates, location, and English proficiency.
Screening interview
The candidates meet with one of our recruiters for an intro interview. This is where we dig into their English proficiency, soft skills, technical abilities, motivation, rates, and availability. We also consider our supply-demand ratio for their specific skill set, adjusting our expectations based on how in-demand their skills are.
Assessment
Next up, the candidate receives an assessment; this test focuses on real-world coding challenges and bug fixing, with a time limit to assess how they perform under pressure. It’s designed to reflect the kind of work they’ll be doing with clients, ensuring they have the necessary expertise.
Live coding
Candidates who pass the assessment move on to a technical interview. This interview includes live coding exercises with our senior engineers, during which they're presented with problems and need to find the best solutions on the spot. It’s a deep dive into their technical skills, problem-solving abilities, and thinking through complex issues.
Proxify member
When the candidate impresses in all the previous steps, they’re invited to join the Proxify network.
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