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Xavier R.

Xavier R.

Senior AI & Computer Vision Engineer : Backend & Robotics

Portfolio: - Proficient in Python, TensorFlow, Keras, PyTorch, NumPy, Scikit-learn, OpenCV, CNNs, RNNs, U-Net, Reinforcement Learning, XAI (RISE) - Skilled in Image Segmentation, Object Detection, Image Generation (Transformers, Vision Transformer), Lightweight Models (RetinaFace) - Experienced in Robotic Vision Systems, Embedded Development, Sensor Integration using Raspberry Pi - Proficient in Java (J2EE, J2SE, J2ME), PHP, C++, JavaScript, SQL, XML - Knowledgeable in Struts, Hibernate, Spring, Laravel frameworks and Oracle, MySQL, SQL Server, PostgreSQL databases - Tools: Git, JIRA, JUnit, Docker, Jenkins Experience Highlights: - 3+ years dedicated to developing computer vision solutions for robotic projects on Raspberry Pi, a key area of expertise. - Developed U-Net based model with Deep Dilated Convolutions and Attention mechanisms for indoor semantic segmentation, outperforming state-of-the-art approaches. - Specialized experience in optimizing models for resource-constrained environments, including LightweightRetinaFace and Lightweight Video Violence Detection. - Implemented and experimented with state-of-the-art image generation models such as Transformers and Vision Transformers. Career Summary: - Senior AI & Computer Vision Engineer (Freelance - Upwork/Freelancer) (2020 - Present): Delivered AI/CV solutions for various clients, specializing in computer vision for robotics and embedded systems. - Software Engineer (2000 - 2020): Extensive experience in software development and project management across Finance, Insurance, Health, Media, and Public Sector. Education & Certifications: - Bachelor's Degree in Computer Engineering from University Autònoma de Barcelona (UAB) - Postgraduate in Artificial Intelligence with Deep Learning from University Politècnica de Barcelona (UPF) - Postgraduate in the Creation of Video Games from University Pompeu Fabra (UPF) Experience Highlights: - Over 20 years of experience in software development and project management across multiple industries. - Specialized expertise in AI since 2020, with a focus on computer vision projects utilizing Raspberry Pi technology. Personal Attributes & Leadership Skills: - Analytical thinker with a strategic mindset for solving complex challenges - Innovative creator of cutting-edge solutions in the field of AI - Proven leadership capabilities in guiding teams and driving successful outcomes In conclusion: Xavier is a highly skilled Senior AI Engineer and Computer Vision Expert with an extensive background in computer engineering, deep learning, and software development across various industries. His profile showcases his ability to innovate, lead, and solve complex challenges through strategic thinking and cutting-edge solutions in the field of AI.

🇪🇸Barcelona, Spain$35/hr100% JSS5.00 (3)Since Jan 2021

Earnings and projects

MRR
$384

Last 6 months ÷ 6

World#88,569 / 412k
🇪🇸Country#800 / 4,023
Revenue, last 30 days
$0

Last 6 months: $2.3k

Total earnings
$111k

Billed in all: $116k

World#34,619 / 412k
🇪🇸Country#398 / 4,023
Per project
$37k

$2.3k in the last 6 months

World#1,830 / 412k
🇪🇸Country#30 / 4,023
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇪🇸Country#1,171 / 4,023
Projects in all
3

Across 4 contracts

25% fixed75% hourly
World#304,140 / 412k
🇪🇸Country#2,931 / 4,023

Earnings, last 30 days

$116kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$114k$116k$118k$120kOct 8Oct 23Nov 7

Skill rankings: Top 10% in Keras

Ranked by MRR among everyone on Upwork with the skill.

  1. #28Model Optimization153 freelancers · 🇪🇸 #1Top 18%
  2. #41Keras398 freelancers · 🇪🇸 #1Top 10%
  3. #259TensorFlow1,661 freelancers · 🇪🇸 #4Top 16%
  4. #291PyTorch1,585 freelancers · 🇪🇸 #4Top 18%
  5. #494Deep Learning2,743 freelancers · 🇪🇸 #4Top 18%
  6. #551Natural Language Processing2,688 freelancers · 🇪🇸 #7Top 20%
  7. #1,956Machine Learning8,972 freelancers · 🇪🇸 #26Top 22%
  8. #2,960Artificial Intelligence10,593 freelancers · 🇪🇸 #35Top 28%