
In Progress
Posted
Paid on delivery
I’m building a web feature that can read whatever a visitor types into the site’s chat box, gauge their emotional tone through text-analysis NLP, and immediately queue up music that matches or lifts that mood. Here’s the flow I have in mind. The user interacts with the live-chat on our site. Every message is piped to your classifier, which returns a mood label or valence/arousal scores. Based on that output, the system picks an appropriate track or playlist from a streaming service (Spotify or a royalty-free catalogue—whichever is easier to wire up first) and starts playback without noticeable delay. I’m set on text analysis as the detection method; no facial or voice inputs are needed right now. Likewise, I don’t need social-media or email mining—only the chat messages typed on the website itself. If the architecture leaves room to plug in additional sources later, that’s a bonus but not essential for this milestone. Deliverables • A trained or fine-tuned NLP model (Python preferred, Hugging Face, spaCy or similar) that outputs mood categories or sentiment scores. • An API or lightweight microservice that exposes that model for our front-end. • A front-end snippet (JavaScript/React welcome) that hooks into the existing chat widget, calls the API, and triggers music playback. • Setup script / Dockerfile plus concise README so I can redeploy on our server. Acceptance criteria • Mood detection accuracy is demonstrably above baseline on a provided validation set. • End-to-end latency (message → music) stays under two seconds on test hardware. • Clean hand-off of code with clear, commented sections and instructions. If you’ve built similar sentiment or recommendation engines, tell me how you approached the feature-selection and evaluation. Looking forward to seeing what you can create.
Project ID: 40577957
72 proposals
Remote project
Active 6 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Hi, Your project aligns well with my experience in applied AI and NLP systems. I'm an AI Engineer with experience developing LLM-powered applications, designing evaluation frameworks, and building Python-based AI services. During my latest internship, I contributed to a generative AI product where I designed agentic workflows, worked on LLM-based information extraction, and developed evaluation protocols to improve system reliability and performance. For this feature, I would build a lightweight NLP microservice exposed through a FastAPI endpoint. The service would analyze each incoming chat message, infer the user's emotional state (either discrete mood labels or continuous valence/arousal scores), and return the prediction with low latency. On the frontend, I'd integrate the API with your existing chat widget and connect it to Spotify or another music provider to trigger playback in near real time. Beyond implementing the pipeline, I would also focus on model evaluation, inference speed, and clean deployment. The project would include Docker support, clear documentation, and modular code so the system can easily be extended with additional input sources or recommendation logic in the future. I'd be happy to discuss the technical approach and recommend the most appropriate architecture for your requirements. Looking forward to working with you!
$180 USD in 7 days
0.0
0.0
72 freelancers are bidding on average $133 USD for this job

⭐⭐⭐⭐⭐ Create a Music Queue Based on Chat Emotion Analysis ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a web feature that analyzes chat emotions and plays matching music. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for emotion detection and music integration. I will create a trained NLP model to analyze chat inputs, and I’ll ensure quick music playback based on the detected mood. ➡️ Why Me? I can easily do your project as I have 5 years of experience in NLP and web development. My expertise includes building APIs, front-end integration, and machine learning. Not only this, I have a strong grip on Python, JavaScript, and various NLP libraries, ensuring a smooth workflow for your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ NLP Model Development ✅ API Creation ✅ JavaScript/React Integration ✅ Python Programming ✅ Emotion Analysis ✅ Music Streaming Integration ✅ Front-End Development ✅ Docker Setup ✅ Data Validation ✅ Performance Optimization ✅ Code Documentation ✅ Project Management Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
8.0
8.0

Hi, I will build your mood detection pipeline so every chat message runs through a fine-tuned NLP classifier (Hugging Face, Python) and queues a matching track from Spotify or a royalty-free catalog, all under that two-second latency target you specified. On a similar sentiment engine, using valence/arousal scoring instead of flat labels improved music matching noticeably, and I will set yours up the same way. Questions: 1) Is the chat widget a specific platform (Intercom, Tidio, custom) or something I will integrate fresh? 2) Do you already have a Spotify Developer account, or should I start with a royalty-free API like Jamendo? Share your current chat setup details and I will outline the classifier architecture tonight. Best regards, Kamran
$90 USD in 5 days
7.4
7.4

I am excited about the opportunity to work on your innovative web feature project that integrates text analysis NLP to dynamically queue music based on emotional tone. To ensure a seamless solution, I'd like details on preferred NLP tools, streaming service API integration specifics, and UI customization requirements. Proposed Timeline: 1. Research on NLP models for mood detection. 2. Developing a robust NLP model in Python using tools like Hugging Face or spaCy. 3. Creating an API/microservice for NLP model integration. 4. Designing a front-end snippet using JavaScript/React for chat widget, API integration, and music playback. 5. Documentation prep with setup script, Dockerfile, and README. Let's discuss a fair compensation based on project scope and value. I look forward to collaborating closely to create a cutting-edge solution for your platform.
$225 USD in 5 days
7.1
7.1

Hi, I'd handle this using a lightweight Hugging Face sentiment model fine-tuned on mood labels, wrapped in a minimal Flask service. The bottleneck will likely be the chat-to-music pipeline, so I'll prioritize async messaging and preloaded playlists to keep response times under two seconds. Last year I built a similar sentiment classifier for a customer-support chatbot that routed urgent cases based on polarity scores. The model worked well on short texts but struggled with sarcasm, and we had to add a confidence threshold to avoid false positives. Code will be modular: the Python service stays isolated, the React hook just dispatches and listens, and every change is gated by a quick smoke test on staging before touching production. You can review each layer independently—no surprises during deployment. Faster reactions mean happier users and longer session times, which directly impacts whatever drives your revenue. If the first model flags too many false positives, the architecture makes it easy to swap in a larger one later without rewriting the front end. If this sounds right, I can review your current chat setup and sketch the safest integration path. Thanks, Denis.
$100 USD in 3 days
6.3
6.3

Hi, your "AI Mood-Based Music Selector" project is right in my wheelhouse. I build modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with javascript, python, machine learning (ml), deep learning, api development, microservices, natural language processing, hugging face, ai development, agentic ai, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I'll lock down the scope and key flows first, then ship in reviewable increments. Let's hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "it was great working with him, did whatever changes i asked him as per my need." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$225 USD in 4 days
6.4
6.4

Hi there, We’ve developed a similar product called Descripio, where we used NLP to analyze Amazon product reviews and extract key insights. We also built a custom sentiment analysis model that outperformed existing models by 15% in accuracy. This experience gives us a strong foundation for creating a robust mood detection model that can accurately classify emotions. For your project, we can use a pre-trained model like BERT or fine-tune an existing model to save time and costs. We’ll also implement a feedback loop to continuously improve the model’s accuracy based on real user interactions. We’re fully equipped to handle both the backend and frontend work, ensuring seamless integration between the two. We can also provide a dedicated React developer if you prefer a specialist for the frontend. Let’s schedule a quick 10-minute call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$143.02 USD in 7 days
6.3
6.3

Hi I understand you are looking for a hands-on solution to read chat messages, infer mood from text, and queue music with sub-second latency, using a Python-based NLP model exposed via an API and a lightweight front-end integration. I’m a results-driven developer with deep experience in AI, ML, NLP, and API-driven systems. I focus on turning models into repeatable, production-ready services, with clear hand-offs and runnable deployment assets. I’ll align the sentiment/model selection, evaluation, and end-to-end flow to a practical, deployable stack that can be extended with additional sources later. For your project, I would structure the work into a model-focused phase (fine-tuning or training with your validation set, plus baseline comparison), an API/microservice phase (stable inference endpoint with low-latency guarantees), and a front-end integration phase (chat-hook and music playback trigger). Each phase ends with a concrete artifact: validated metrics, a deployed service, and a ready-to-integrate frontend snippet, plus a deployment script and README for redeploy. I will also deliver concise documentation and a reusable pattern for evaluation, including a simple feature-selection rationale and evaluation results you can reproduce on future datasets. This supports a clean hand-off and scalable extension of the mood-to-music pipeline. Best, Justin
$140 USD in 7 days
5.9
5.9

I’m excited about the opportunity to develop the AI Mood-Based Music Selector, which will leverage advanced text-analysis NLP to gauge emotional tones from chat inputs and seamlessly integrate music playback for an enhanced user experience. I will focus on creating a highly accurate NLP model using Python and Hugging Face, capable of outputting mood categories and sentiment scores that align with your requirements. The project involves delivering a robust API or lightweight microservice that interfaces with the model, ensuring smooth interaction with your existing chat widget. Additionally, I will provide a front-end snippet in JavaScript/React to ensure users can enjoy immediate music playback based on their mood. I understand your need for speed; therefore, I will optimize the architecture to maintain an end-to-end latency under two seconds. Documentation will be clear and thorough, ensuring a smooth hand-off with setup instructions included. I’m particularly interested in how you envision the user experience. How do you envision the user experience during music playback based on mood detection? Let’s create a dynamic and engaging feature together. Looking forward to potentially collaborating on this innovative project! Best, Talha
$30 USD in 11 days
5.9
5.9

Hi there, Your chat-to-music flow needs low-latency mood detection, not just generic sentiment. I’ve spent the last 4 years solving exactly this type of problem. I’ve delivered NLP classifiers for customer-support tone routing and built a real-time recommendation API that stayed under 2 seconds end-to-end. The hard part here is not classification alone; it’s keeping the model lightweight enough for live chat while still beating baseline on your validation set. I’ll avoid heavy inference paths, use a fast text encoder or fine-tuned transformer, and expose the model through a small Python microservice with stable response contracts. I’ll then wire the front end to call the API on each chat message and trigger the right Spotify or royalty-free track with minimal playback delay. I’ll package everything with Docker, clean configuration, and a concise README so redeploys are straightforward. I’ll also keep the code isolated and documented so future sources like voice or social inputs can be added without rework. Best regards, John allen
$155 USD in 6 days
5.7
5.7

You’re building an AI mood-based music selector from chat text to music playback, under 2 seconds. I can deliver the full end-to-end pipeline: a Python NLP model for mood/sentiment (Hugging Face or spaCy), an API/microservice to score each chat message, and a front-end hook that calls the API and starts the right Spotify/royalty-free track. I’ll focus on the risky parts: fast inference, stable mood labels, and wiring the playback so it doesn’t lag after each message. - Train/fine-tune or adapt a model and evaluate on your provided validation set - Expose a simple /score endpoint - Add a small JS/React snippet to connect to your existing chat widget - Provide a Dockerfile, setup script, and a README for redeploy I’ve built similar NLP + recommendation flows, including evaluation and latency checks. Hi again, Slavko Which exact chat-widget event (message submitted vs streamed) should I hook into, and what playback behavior do you want when multiple messages arrive quickly?
$99 USD in 1 day
5.7
5.7

I can help you build this API integration. I'll use Python and FastAPI to handle the core logic. I prefer keeping the architecture clean and avoiding unnecessary dependencies. If you want to see some similar work I've done, just let me know.
$212.50 USD in 7 days
5.2
5.2

Keeping the message-to-music flow under two seconds is probably the hardest part here—the model can be accurate, but if inference or the streaming handoff blocks, the experience will feel disconnected from the conversation. I'd keep the NLP service separate from the chat front end so the widget only sends text, receives a mood label or sentiment scores, and immediately triggers playback. With Hugging Face in Python, the model can be exposed through a lightweight API, and the React/JavaScript side only needs a small integration layer. I'd also make the mood mapping configurable instead of hardcoding tracks, so changing playlists later doesn't require retraining or touching the classifier. One thing I'd want to clarify is whether your validation set already contains mood labels, or if the evaluation will be based on sentiment scores that need to be mapped into mood categories. That affects how the model is trained and measured.
$140 USD in 7 days
5.0
5.0

Hi, Your AI Mood-Based Music Selector project is a stimulating challenge! My background in machine learning and API development aligns perfectly with your need for a Python-based NLP model for emotional tone detection. I'll leverage advanced text-analysis techniques to deliver a finely tuned classifier with real-time responsiveness under two seconds. For the front end, I'll integrate JavaScript to seamlessly connect your chat widget with the music service, ensuring smooth playback transitions. I'll provide a modular setup, including Docker and detailed README, for easy deployment and future scalability. Let's discuss your validation datasets and preferred music catalog to kick off this exciting journey. What are your key criteria for selecting the initial streaming service between Spotify and royalty-free? Thanks,
$155 USD in 20 days
4.6
4.6

Hey there! I’m beyond excited to take this on! I recently wrapped up a similar project with good results. Drawing from my experience in JavaScript, Python, Machine Learning (ML), Deep Learning, API Development, Microservices, Natural Language Processing, Hugging Face, AI Development, Agentic AI, I’m ready to dive into your project. Please come over chat and discuss your requirement in a detailed way. Kind regards, Vishal Maharaj
$250 USD in 5 days
5.3
5.3

Hi, this is Kris from McKinney, Texas, I’ve reviewed your requirement for building an NLP-powered mood detection and music recommendation feature integrated with your website chat experience. The main focus is creating a low-latency pipeline that analyzes user messages, determines emotional tone, and triggers suitable music recommendations without affecting the chat experience. I would approach this by building a dedicated NLP service using Python with Hugging Face/spaCy-based models, fine-tuned or adapted for sentiment, emotion classification, and valence/arousal scoring. The backend microservice would expose secure APIs for the chat frontend, while the recommendation layer would map detected moods to Spotify or royalty-free music sources. I would package the solution with Docker, provide deployment documentation, and optimize the workflow to achieve fast response times with measurable model performance. A few additional questions; Q1: Do you already have a preferred emotion taxonomy (e.g., happy, calm, stressed, sad, energetic) or should I define the mood categories? Q2: Will the chat widget be custom-built, or does it use an existing platform that needs integration? Q3: Do you have an existing dataset for mood classification, or should the model be trained/fine-tuned using public emotion datasets? Regards, Kris.
$100 USD in 1 day
4.8
4.8

Hello, I can deliver the exact AI mood-based music selector you outlined, building a fine-tuned Hugging Face text classifier for chat message mood scoring, a lightweight FastAPI microservice to expose it, a JavaScript snippet to integrate with your existing chat widget and trigger Spotify playback, plus Docker setup and clear documentation. I have 5+ years of experience building NLP and recommendation systems, and I will prioritize hitting your 2 second end-to-end latency and accuracy targets. Send me a message to view demos of similar projects or discuss any unstated requirements. Thanks, Adegoke. M
$150 USD in 3 days
3.9
3.9

The tricky part is mapping raw chat text to a reliable mood signal. I would use a Hugging Face sentiment model fine-tuned for emotional range, not just positive/negative, then feed that output into a music API call in real time. Python backend, clean JavaScript on the front end. Can start today and have a working version ready in 3 days. The bid reflects the description as written. Final numbers come after a quick call. Want to jump on one?
$150 USD in 7 days
3.7
3.7

I can develop the AI Mood-Based Music Selector that analyzes chat input to recommend music fitting the visitor’s emotions. This feature will enhance user engagement by dynamically personalizing their experience. I have experience integrating natural language processing with music recommendation systems, ensuring accurate emotion detection and smooth user interaction. My approach focuses on seamless integration and real-time response for a fluid user journey. I would love to chat more about your project!
$140 USD in 7 days
3.8
3.8

The sentiment classifier is actually the easy part here — a fine-tuned distilbert on GoEmotions gives you 28 emotion labels out of the box with HuggingFace, and for chat-length text it runs inference in under 200ms. The piece that'll make or break your 2-second latency target is everything downstream: the mood-to-music mapping and the playback trigger. Spotify's Web Playback SDK requires the listener to have a Premium account and authenticate via OAuth — which probably doesn't work for anonymous site visitors hitting your chat widget. A royalty-free catalog (Jamendo API, or a local pre-tagged library with mood embeddings) eliminates that auth friction entirely, queues tracks in under 500ms, and still lets you swap in Spotify later for logged-in users who connect their account. That's the architecture call I'd make first — and it's the one most devs won't flag until they're mid-build and realize the Spotify path doesn't work for anonymous visitors. I've built similar real-time classification-to-action pipelines — my production autobidder processes 100+ postings per cycle through an NLP classifier, clusters them by skill type, and triggers downstream actions within a tight latency window. Same pattern: text in, classify, act on classification, measure accuracy. The evaluation loop you mentioned — demonstrably above baseline on a validation set — is something I'd set up early with a holdout split and F1 per mood category so we're both looking at real numbers, not vibes. For your stack specifically: Python microservice (FastAPI for the inference endpoint — async, fast cold starts in Docker), HuggingFace transformer for the classifier, and a React hook on the frontend that intercepts chat messages, hits the API, and controls the audio player. I'd Dockerize the whole thing with a single docker-compose up — API service plus model weights baked into the image so there's no download-on-first-run surprise when you redeploy on your server. What you get working with me: I use AI heavily across my dev workflow — Claude Code for scaffolding, debugging, test generation, and code review — which means faster iteration on the model tuning and the integration plumbing without cutting corners on code quality. And you get one person handling the full stack (model to API to frontend to Docker to deployment docs), so there's no handoff gap between an ML person and a frontend person where things quietly break. Happy to jump on a 15-minute call to walk through the Spotify vs. royalty-free decision and nail down the mood taxonomy before writing any code — that one architectural choice shapes everything downstream, and it's better to get it right before the first commit than refactor after.
$150 USD in 7 days
3.4
3.4

Hi, I reviewed your project: AI Mood-Based Music Selector. I can help you build a practical AI-powered solution with secure API integration, clean backend architecture, automation workflows, database design, and a production-ready admin/dashboard system. My experience includes AI assistants, OpenAI/LLM integrations, RAG/knowledge-base workflows, Laravel/PHP, React, Node.js, APIs, databases, and deployment. Please message me so I can confirm the workflow, data sources, integrations, and success criteria before we start. Portfolio: https://www.freelancer.com/u/irfanui Regards, Mohammad 4th Dimension Partners
$75 USD in 3 days
3.1
3.1

Manouba, Tunisia
Payment method verified
Member since Mar 5, 2025
₹1000-2000 INR
₹1500-12500 INR
$10-30 USD
$30-250 USD
min ₹2500 INR / hour
₹1500-12500 INR
₹600-1500 INR
₹750-1250 INR / hour
$750-1500 USD
£750-1500 GBP
₹12500-37500 INR
min ₹2500 INR / hour
₹750-1250 INR / hour
₹100-400 INR / hour
$100-500 USD
₹37500-75000 INR
$3000-5000 USD
$750-1500 USD
$250-750 USD
₹1500-12500 INR