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I need a Keras-based sentiment analysis model built from my existing labeled dataset. You will: • Inspect and preprocess the text (tokenization, padding, handling out-of-vocabulary words). • Design an appropriate neural network in Keras—an LSTM, GRU, CNN, or a hybrid architecture that you feel best fits the data. • Train, validate, and fine-tune the model, tracking accuracy, precision, recall, and F1. • Provide clean, well-commented Python code plus a brief README that explains setup, training, and how to make predictions on new text. • Hand over the trained model weights and any scripts/notebooks used. I’m looking for clear, reproducible work that I can continue to build on, delivered through GitHub or a shared drive.
Project ID: 40477113
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56 freelancers are bidding on average $15 USD/hour for this job

With a demonstrated record of accomplishment in Machine Learning, Data Mining, and Natural Language Processing (NLP), I am the ideal candidate for constructing your Keras-based sentiment analysis model. I am skilled in utilizing cutting-edge tools like TensorFlow and Keras and have created Deep Learning models to tackle various business challenges, from image processing to predictive modeling. Sentiment classification is one of my strengths - I understand the importance of features like tokenization, padding, handling out-of-vocabulary (OOV) words, as well as fine-tuning and tracking key metrics such as accuracy, precision, recall, and F1 scores. What sets me apart from other freelancers is not just my technical proficiency but also my commitment to delivering true business value. I don't just build models; instead, I create robust pipelines that simplify complex tasks. This means you'll not only receive a meticulously engineered model but also comprehensive documentation - an intuitive README that explains the setup process and how to make predictions using your new model on unseen data.
$12 USD in 40 days
7.5
7.5

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
$12 USD in 40 days
7.2
7.2

I can build a complete Keras-based sentiment analysis pipeline from your labeled dataset, including preprocessing, model design (LSTM/CNN/hybrid), training, evaluation with precision/recall/F1, and fully reproducible code. You will receive a clean GitHub-ready project with trained weights, tokenizer, inference script, and a detailed README so you can easily retrain or extend the model. I focus on reproducibility and production-ready structure rather than just a notebook.
$12 USD in 30 days
6.7
6.7

As someone who truly comprehends the vast depth of your project's needs, I'm convinced my interdisciplinary background will prove invaluable in delivering the precise, effective sentiment analysis model you seek. My proven skills in Python, Machine Learning, Deep Learning, and Neural Networks are solidly undergirded by my 7+ years of professional experience as a Biostatistician and Data Analyst. This means I’m intimately familiar with designing and building tailored models like an LSTM, GRU, CNN or hybrid architecture using Keras. Moreover, I am confident you’ll find my approach efficient, reliable and transparent—all qualities essential for the long-term development of your project. Specifically, I specialize in producing clean, well-commented Python code that enables seamless traceability of the data flow from preprocessing to model evaluation - crucial for reproducibility. Furthermore, I can assure you of receiving regular progress updates, along with requisite evaluations like accuracy precision recall and F1 scores throughout. Trust is vital when handing over sensitive information; thusly I would deliver this project on GitHub or a shared drive to foster transparency while sharing both the trained model weights and any scripts/notebooks employed for the task at hand. With me on board, anticipate quality work done within specified time limits."
$12 USD in 40 days
7.0
7.0

Hi there, thanks for checking this proposal. I would like to understand your requirement better; please send a message so we can discuss further.
$50 USD in 35 days
6.1
6.1

As a highly-seasoned Full-Stack Developer, my extensive expertise in AI driven systems and Machine Learning paired with my ability to develop robust web applications make me the perfect fit for your Keras Sentiment Analysis Model project Doan. Throughout my years of experience, I've always prioritized building solid relationships with clients like yourself and your project will be no exception. Drawing from my vast knowledge in NLP, specifically within Text Data Classification and Processing domain, I'm well-equipped to meet the core requirements of your project. Having previously tackled similar tasks involving tokenization, padding, and handling out-of-vocabulary words, I understand the importance of detailed preprocessing of your dataset. I'm confident in designing the most appropriate neural network architecture for your needs (be it an LSTM, GRU, CNN or a hybrid model) and training it to deliver precise metrics of accuracy, precision, recall, and F1 score. With my high emphasis on reproducibility and documentation, delivering quality work through GitHub or shared drive is second nature to me. Let's discuss further how we can bring exceptional values to your groundbreaking project!
$12 USD in 40 days
5.8
5.8

Hi there, I see you're looking to operationalize a sentiment analysis pipeline, starting with your labeled text and ending with a reproducible Keras model. The workflow involves transforming raw text into padded numerical sequences, feeding them into a recurrent neural network to learn sentiment patterns, and then packaging the trained model, weights, and prediction logic for future use. Technical approach: - Load and inspect the dataset using pandas. - Preprocess text using TensorFlow's Tokenizer for vocabulary creation and integer encoding. - Pad sequences to a uniform length for batch processing. - Start with a baseline architecture: Embedding layer -> LSTM -> Dense output layer. - Compile with Adam optimizer and binary_crossentropy loss. - Use callbacks for early stopping and saving the best model weights during training. Core modules: - Data Preprocessing Pipeline: A script to clean, tokenize, and prepare new data using the saved tokenizer. - Model Training Script: A well-commented notebook that defines the architecture, trains the model, and evaluates its performance on a validation set. - Prediction Function: A clean function that loads the saved model and tokenizer to run inference on new text strings. Implementation strategy: We'll begin with an exploratory analysis of your data to guide preprocessing choices. Then, we'll establish the baseline LSTM model. Based on its performance, we can experiment with more complex models like bidirectional LSTMs or a GRU if needed. The final deliverable will be a clean GitHub repository with the code, model weights, and a clear README explaining the entire process. Regards, Rohit
$8 USD in 4 days
6.7
6.7

I'm an ML developer experienced in NLP and deep learning with Keras. I'll preprocess your labeled dataset, design and train an optimal architecture (LSTM, GRU, CNN, or hybrid), track accuracy, precision, recall, and F1 throughout, and deliver clean well-commented Python code, trained weights, and a clear README — all via GitHub. Reproducible and ready to build on. Starting immediately.
$15 USD in 40 days
6.1
6.1

Your dataset likely has class imbalance or noisy labels that will tank your F1 score if we don't address them upfront. I've debugged 8 NLP models where teams jumped straight to LSTM training without analyzing label distribution or text length variance - they ended up with 85% accuracy but 40% recall on minority classes, which is useless in production. Before I architect the solution, I need clarity on two things. First, what's your positive/negative/neutral class split? If one class represents less than 15% of samples, we'll need SMOTE or class weighting to prevent the model from just predicting the majority class. Second, what's your inference latency requirement? A bidirectional LSTM with attention gives you 2-3% better F1 but adds 200ms per prediction compared to a 1D CNN - matters if you're processing real-time user feedback versus batch analysis. Here's the technical approach: - KERAS + TENSORFLOW: Build a hybrid CNN-BiLSTM architecture with spatial dropout and L2 regularization to prevent overfitting on small datasets (under 50K samples). - TOKENIZATION: Use subword encoding (BPE or WordPiece) instead of word-level tokens to handle out-of-vocabulary terms without losing semantic meaning - critical for social media text or domain-specific jargon. - CLASS IMBALANCE: Implement focal loss instead of categorical crossentropy to down-weight easy examples and focus training on hard misclassifications. - HYPERPARAMETER TUNING: Set up Keras Tuner with Bayesian optimization to test embedding dimensions (128/256), LSTM units (64/128), and dropout rates (0.2-0.5) - saves you 10+ hours of manual experimentation. - MLFLOW TRACKING: Log every experiment with confusion matrices and per-class metrics so you can compare 15+ model variants without losing context. I've built 12 production NLP models including a customer review classifier that processes 500K texts daily with 91% F1. I don't take on projects where the data quality is unknown - let's do a 20-minute call to review your dataset stats and edge cases before I commit to an architecture.
$11 USD in 30 days
5.6
5.6

1. Hook I read that you already have a labeled dataset and want a clean Keras pipeline for sentiment analysis that you can extend. That setup tells me you care more about reproducibility than flashy experiments. 2. Insight Often the real work is in tokenization choices and handling out of vocabulary tokens plus label imbalance, not just picking LSTM versus CNN. Getting that right makes the model useful in production. 3. Proof I built the scoring model for CrowdAxis where I cleaned diverse text inputs, trained a deployable neural model, and shipped it as a stable FastAPI endpoint. 4. Approach I will • inspect the data and report token stats class balance and OOV rate • preprocess with configurable tokenizer and padding and create OOV handling • prototype 2 architectures (example BiLSTM and CNN hybrid), train with class weighting and early stopping and track accuracy precision recall F1 • hand over well commented Python notebooks scripts model weights and a short README 5. Client Questions Please share a sample CSV or a small subset of the dataset label names and whether you prefer HDF5 or SavedModel format for the weights. 6. CTA If you send a 200 row sample I will return a short data summary and a proposed model architecture diagram you can review.
$11.50 USD in 7 days
4.8
4.8

Nice to meet you , It is a pleasure to communicate with you. My name is Anthony Muñoz, I am the lead engineer for DSPro IT agency and I would like to offer you my professional services. I have more than 10 years of working as a Backend and Software developer, I have successfully completed numerous jobs similar to yours therefore, and after carefully reading the requirements of your project, I consider this job to be suitable to my area of knowledge and skills. I would love to work together to make this project a reality. I greatly appreciate the time provided and I remain pending for any questions or comments. Feel free to contact me. Greetings
$30 USD in 40 days
4.6
4.6

With my 8+ years of experience in Data Analytics and Machine Learning, I am confident that I can deliver a top-notch sentiment analysis model using Keras. I have a strong understanding of NLP techniques including tokenization, padding, and handling out-of-vocabulary words which will enable me to preprocess your dataset effectively. I am well-versed in multiple neural network architectures like LSTM, GRU, CNN and can provide the best architectural approach for your specific dataset. My expertise in Python will ensure that you receive clean, well-commented code that is easily understandable and can be built upon in the future. Leveraging my skills in statistical analysis, not only will your model be trained and validated with metrics like accuracy, precision, recall, F1 but I'll also provide you with detailed insights derived from these metrics. My proficiency with version control systems like Git and code sharing platforms like GitHub will enable a smooth handover of the entire project with proper documentation. I’ve worked extensively with businesses across various domains and transformed complex datasets into actionable insights. Let me bring my expertise to your sentiment analysis project and help you extract valuable insights from textual data!
$12 USD in 40 days
4.3
4.3

Hello, I hope you’re doing well. I’m an independent ML developer with hands-on experience building NLP models in Keras. I’ll inspect your labeled data, implement clean text preprocessing (tokenization, padding, OOV handling), and design a compact, robust model using LSTM/GRU or a hybrid approach that fits your dataset best. I’ll train, validate, and fine-tune while tracking accuracy, precision, recall, and F1, delivering reproducible results. I’ve built sentiment classifiers end-to-end, from data prep and model selection to training pipelines, evaluation, and deployment-ready scripts. I’ll provide well-commented Python code, a concise README with setup, training, and prediction steps, and hand over the trained weights along with any notebooks or scripts used. You’ll be able to run the project from GitHub or a shared drive with clear instructions. I can handle this work based on my experience and your dataset, delivering a clean, reliable model and reusable code. Best regards, Billy Bryan
$20 USD in 20 days
4.3
4.3

Hi, With over 15 years of experience in deep learning and machine learning space, I believe I am the ideal candidate for your Keras Sentiment Analysis model project. My expertise stems from managing and leading teams in renowned organizations like Avaya, Pramati, CGI, and more. Through these experiences, I've honed my skills in problem-solving, software architecture, and building high-performing systems to handle real-time workloads. My proficiency in Python and understanding of major frameworks like Keras, TensorFlow, PyTorch, Scikit Learn make me the perfect professional to design and deploy your Deep Learning model. Additionally, my experience extends to Natural Language Processing (NLP), ensuring I have robust skills in tokenization, data preprocessing as out-of-vocabulary handling is incredibly important for a model's success. What sets me apart further is my guiding principle of delivering clean and reproducible work that allows easy future build-up – a value which matches what you're seeking. Given my reputation in the field and my ability to communicate complex steps simply through well-commented code and clear documentation, choosing me for this project will grant you an exceptional outcome with future potentiality. You can also rely on my efficient coding methodologies ensuring optimal performance of the final product.
$12 USD in 40 days
4.0
4.0

Hello Mate!Greetings , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Natural Language Processing, Software Architecture, Python, Neural Networks, Machine Learning (ML), Deep Learning, Statistical Analysis and Keras. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thank you for your attention
$50 USD in 25 days
3.8
3.8

I understand you're looking for a robust Keras sentiment analysis model, similar to the successful text classification projects I've completed using LSTMs and embedding layers for efficient feature extraction. My experience aligns perfectly with the need to transform your labeled dataset into a high-performing predictive tool. My approach will involve a comprehensive preprocessing pipeline including tokenization, padding for uniform input length, and strategies for handling out-of-vocabulary tokens. For the model architecture, I'll evaluate whether a stacked LSTM or a hybrid CNN-LSTM best captures the sequential and local patterns in your text data. Training will focus on optimizing for accuracy, precision, recall, and F1-score, with meticulous validation and hyperparameter tuning. To ensure a smooth handover, I will deliver fully commented Python code and a concise README detailing setup, training procedures, and prediction inference. I'll also provide the trained model weights. Before we begin, could you share a sample of your dataset to help me refine the initial preprocessing steps? I'm eager to discuss how I can deliver this project efficiently.
$25 USD in 7 days
4.0
4.0

Hi, I can build a complete Keras-based sentiment analysis pipeline from your labeled dataset with clean, reproducible code and proper documentation. My approach: • First, I will inspect and preprocess the dataset by cleaning text, tokenizing, handling out-of-vocabulary words, sequence padding, and preparing train/validation/test splits. • Then, I will evaluate suitable deep learning architectures such as LSTM, GRU, CNN, or a hybrid model depending on dataset size and text characteristics to achieve the best performance. • I will train and fine-tune the model while tracking accuracy, precision, recall, and F1-score, and apply techniques like dropout, early stopping, and learning-rate scheduling to improve generalization. • The final delivery will include well-commented Python code, training notebooks/scripts, saved model weights, preprocessing pipeline, and a concise README explaining setup, training, and prediction on new text. • I can also organize everything in a GitHub repository or shared drive for easy continuation and future improvements. I have experience working with AI/ML and deep learning pipelines, including model optimization and reproducible training workflows, so the project will be structured and easy to extend. Looking forward to working with you.
$12 USD in 40 days
4.1
4.1

Hi Sir, Your project aligns well with my experience in Machine Learning and Deep Learning using TensorFlow/Keras. I understand that the goal is not only to train a sentiment analysis model but to build a clean, reproducible pipeline that can be maintained and improved in the future. My approach will start with dataset inspection, text preprocessing, tokenization, padding, OOV handling, and exploratory analysis. Based on the dataset characteristics, I will select and compare the most suitable architecture (LSTM, GRU, CNN, or a hybrid approach) to achieve the best performance. I will track accuracy, precision, recall, and F1-score, perform hyperparameter tuning, and provide detailed evaluation results. You will receive clean, well-documented code, trained model weights, a README with setup and prediction instructions, and all notebooks/scripts required to reproduce the results. I look forward to discussing your dataset and project requirements. Best Regards.
$12 USD in 40 days
3.6
3.6

I’d love to help you build this sentiment analysis model. Since you already have a labeled dataset, the key here is preventing overfitting while accurately capturing the contextual nuances of your text. For my approach, I will implement a Bidirectional LSTM with optimized embedding layers and dropout regularization in Keras, as this typically outperforms standard CNNs by retaining sequential memory. I’ll also build a robust preprocessing pipeline to handle out-of-vocabulary (OOV) words gracefully, ensuring the model generalizes well to new data. As an AI engineer with an MSc in Generative AI, my core expertise is in building end-to-end, production-ready NLP systems. I don't just train models; I write clean, modular, and highly commented code that you can easily build upon later. I will deliver everything perfectly reproducible via GitHub. Let’s have a quick chat to look at your data structure and get started!
$15 USD in 7 days
3.2
3.2

Hi, I've built custom sentiment analysis models using Keras with LSTM and CNN architectures, handling large datasets and ensuring high accuracy. I can preprocess your text data, design an appropriate model, and fine-tune it for optimal performance. Let's start with a small trial to ensure alignment before diving into the full project. Best Regards, Ivica
$12 USD in 40 days
2.9
2.9

Bandar Lampung, Indonesia
Member since May 29, 2026
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₹37500-75000 INR
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$25-50 USD / hour
₹12500-37500 INR
$10-30 USD
$250-750 USD
$10-30 USD
₹1500-12500 INR
$30-250 USD