Freelancers using NLTK
Freelancers using NLTK
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Krutarth Oza
Ahmedabad, India
Product designer simplifying complex systems for businesses
1x
Hired
5.0
Rating
6
Followers
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Product designer simplifying complex systems for businesses
1
Product Recommendation Application
1
18
1
Edoconline - A Fintech Company
1
42
1
E-Commerce Mobile Application
1
8
1
Fashion App design with prototype
1
7
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USMAN AKINTOBI
Nigeria
Making Sense of Data to Drive Decisions
5.0
Rating
6
Followers
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Making Sense of Data to Drive Decisions
1
Context-Aware Fintech User Feedback Classification & Urgency Detection Most feedback tools stop at sentiment; positive or negative. This project goes further by building a decision-driven NLP system that classifies fintech user feedback by issue type and detects operational urgency, enabling smarter triage and escalation. What was built: Two machine learning models trained on manually collected and annotated app store reviews from real fintech platforms like Revolut, Wise, and Monzo: Issue Classifier: categorizes feedback into 9 classes including transaction issues, account security, KYC, refunds, app performance, and fraud Urgency Detector: binary classifier that flags high-risk feedback requiring immediate attention, optimized for recall to minimize missed critical cases
1
47
2
DSP Asset Managers
2
27
1
Housing Dashboard
1
6
1
Energy Dashboard
1
10
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Laksmi Wulandiari
Indonesia
Data Analyst and Visualization Expert
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Data Analyst and Visualization Expert
1
Hotel Review Sentiment Analysis
1
12
1
CUSTOMER GAIN PREDICTION DASHBOARD
1
26
0
ELECTRONIC SALES PERFORMANCE DASHBOARD
0
20
0
UI DESIGN | green cycle
0
14
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PATHAKHRK INC
Kangra, India
Creative tech solutions in AI and cybersecurity
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Creative tech solutions in AI and cybersecurity
0
AI Website Chatbot - Lead Capture & Sales Qualification
0
2
0
AI Sales Agent for Instagram Lead Management
0
9
0
Multilingual AI Sales Agent - Lead Management & CRM Automation
0
6
0
Medical Diagnostics AI App - Health Platform
0
9
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Sagarkumar Chopada
Surat, India
AI & SaaS builder for scalable business growth.
New to Contra
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AI & SaaS builder for scalable business growth.
0
Implementing MCP for Real-Time AI in Logistics
0
0
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VortexYachts is an App Store-listed business app for iPhone and iPad that is associated with a managed yacht ownership experience. The listing positions it as a premium mobile product rather than a casual consumer app, which makes it a good fit for a polished portfolio entry.
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23
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VOICENOW AI is a custom voice AI platform built for low-latency performance, seamless AI integration, and voice analytics. The product is aimed at businesses and developers who want to deploy flexible voice agents across web, mobile, and telephony environments.
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32
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TextNow is an omnichannel customer engagement platform that unifies WhatsApp, Facebook, Instagram, email, Telegram, and web chat into one workspace. It also includes AI Studio, automation workflows, routing, broadcasts, and live agent handover, which makes it a full communication operations layer rather than a single-channel tool.
0
35
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Ciro
Buenos Aires, Argentina
Go to sleep, may your sweet dreams come true...
267
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Go to sleep, may your sweet dreams come true...
2
Sentiment Analysis of IMDB Movie Reviews
2
6
5
Heritage Soil Station: A NZ Website
5
12
6
Gardens of the World: Full-Stack Web App/Website
6
11
6
Folktales Around the World: Full-Stack Web App/Website
6
11
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Axel Gusto
Paris, France
Fractional CPO/CTO for HealthTech & AI Startups
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Fractional CPO/CTO for HealthTech & AI Startups
0
MIND — AI Medical Billing Assistant MIND automates medical billing coding for French physicians. The system reads clinical notes and suggests the correct CCAM codes in real time — eliminating manual lookup and reducing billing errors. Built solo from scratch: — NLP pipeline for clinical note analysis — Secure architecture for sensitive medical data — Go-to-market strategy targeting independent practitioners Stack: Python, NLP, cloud-native, HIPAA & GDPR-compliant data architecture. Role: Sole founder — product, engineering, and distribution.
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45
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Cloud Infrastructure & DevOps Engineering Designed and deployed cloud infrastructure for early-stage startups — from bare VPS to containerized production environments. Delivered across 2 client engagements: — GCP infrastructure setup and configuration — Docker containerization and orchestration with Kubernetes — Linux server hardening and production deployment — CI/CD pipeline implementation — Monitoring and incident response setup Each engagement ran 2–4 weeks, fully remote, delivered autonomously from architecture to production handoff. Stack: GCP · Docker · Kubernetes · Linux · VPS
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24
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2 Peer-Reviewed Publications — ML for Biomedical Classification Co-authored two peer-reviewed papers on applied machine learning and deep learning in clinical and biological contexts, working with CNRS, CEA, and Université Côte d'Azur. Paper 1 — Bioinformatics: Introduced PD-CR, a novel primal-dual classification method outperforming SVM, Random Forests, and PLS-DA on cancer metabolomics datasets (lung & brain tumors). Real clinical data from university hospitals of Nice and Montpellier. Paper 2 — IEEE/ACM Transactions on Computational Biology and Bioinformatics: Non-invasive live cell cycle monitoring using a supervised autoencoder on Quantitative Phase Imaging data. Achieved 98.6% classification accuracy on 80,000+ cells. Both projects used real clinical datasets. No simulations.
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40
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MailSwap — AI Email Classifier for Shopify MailSwap automatically classifies incoming merchant emails — refunds, support, billing, shipping — and routes them to the right team without human triage. Built end-to-end: — Custom ML classifier trained on e-commerce email data — Shopify App integration — Production deployment with confidence scoring Achieved 94%+ classification accuracy in production. Role: Sole founder — model training, backend engineering, Shopify App Store launch.
3
97
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Venkata Anirudh Parakala
Fort Lauderdale, USA
AI & ML Engineer | Automation & Data Solutions
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AI & ML Engineer | Automation & Data Solutions
1
Geographical Understanding of Twitter Health Topics using NLP
1
12
0
AI Calorie and Nutrition Estimator Development
0
3
0
Sneaker Authenticity Classifier Demo
0
2
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