
Closed
Posted
Paid on delivery
Estou montando um programa de inteligência artificial voltado à análise de dados e preciso que ele seja capaz de identificar anomalias em dados de sensores. Já disponho de arquivos históricos em CSV e algum streaming em tempo real; o desafio é construir uma solução que: • trate e normalize os dados de diversos sensores, • aplique técnicas apropriadas de detecção de anomalias (ex.: Isolation Forest, Autoencoder ou semelhante), • emita alertas ou marque registros suspeitos em um dashboard simples ou por API, • gere um relatório de performance com métricas-chave (precision, recall, F1) e gráficos de comparação. Aceito sugestões sobre bibliotecas, mas espero algo em Python usando ferramentas conhecidas como Pandas, scikit-learn, TensorFlow ou PyTorch, para que eu possa manter o código depois. Entrego a você acesso aos dados de teste, exemplos de anomalias já rotuladas e um guia rápido do fluxo atual. Entrego o projeto em duas etapas: primeiro um protótipo funcional para validação, depois o refinamento com documentação comentada e instruções de implantação em ambiente Linux. Se precisar de esclarecimentos adicionais, fico à disposição.
Project ID: 40652988
15 proposals
Remote project
Active 7 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
15 freelancers are bidding on average $26 USD for this job

Hi, The project seems to focus on transforming raw sensor data into actionable detections, with a clear pipeline: ingestion → normalization → model → output. The main challenge isn’t just choosing between Isolation Forest or Autoencoder, but ensuring the model handles sensor variability while delivering reliable metrics for your validation. I’ve worked on a similar case where noisy data and natural outliers masked real anomalies. The solution involved rigorous preprocessing with Pandas to align timestamps and normalize scales, followed by a simple ensemble between Isolation Forest (for point-to-point detection) and a lightweight Autoencoder (for temporal patterns). The output was a CSV with anomaly flags and an automated Matplotlib report. For your project, I’d start with a scikit-learn prototype since historical data should let us tune thresholds without deep learning. The dashboard or alert API could be a simple Flask app returning JSON or static plots for quick validation, followed by refinements, documentation, and a deploy script for a minimal Linux setup. A key concern is how streaming data will integrate. If sensors have delays or inconsistent formats, a buffer or sliding window system may be needed to avoid missing anomalies—this would be part of the second phase. I can start right away. Let’s connect to discuss details. Thanks, Denis
$30 USD in 1 day
6.5
6.5

I’ve built production-grade anomaly detection pipelines for industrial IoT sensors using Python, scikit-learn, and TensorFlow, so this is right in my wheelhouse. I’ll ingest your CSV and streaming feeds, normalize with Pandas, train Isolation Forest and Autoencoder models on your labeled anomalies, expose detection via a FastAPI endpoint for real-time alerts, and generate a Jupyter notebook with precision, recall, F1, and comparison plots. For the dashboard I’ll reuse your existing stack or propose a lightweight Flask/React setup if needed. The prototype ships as a Docker container with reproducibility guaranteed. I can start immediately. Thanks, Andrii
$20 USD in 1 day
5.2
5.2

As an experienced web and mobile app developer, I've gained in-depth knowledge and proficiency in multiple programming languages including Python- a key requirement for your project. I am well-versed in the use of renowned libraries such as Pandas, scikit-learn, TensorFlow or PyTorch that you've listed as your preferences. Over the years, I've been consistently successful in delivering projects with high precision and efficiency. That's why I believe I'm the perfect fit for building your AI program targeted at identifying anomalies in sensor data. I will ensure that your program treats and normalizes the data from various sensors efficiently while applying appropriate techniques for anomaly detection. Moreover, being a detail-oriented professional, I understand your need for not just a working prototype but also a refined final product equipped with clear documentation and guidelines for Linux deployment. To ensure effectiveness, my quote would include 3 months of free support post-delivery to address any concerns you may encounter with the developed system. Thank you for considering me, Neha!
$120 USD in 7 days
5.4
5.4

Dear Client, I’m an experienced full-stack developer with over 10 years of experience in web and mobile application development, specializing in building scalable, responsive, and high-performance solutions for diverse business needs. I understand you are looking for a reliable developer to build or improve your project, including web or mobile applications similar to CRM, dashboards, or APIs, and I have worked on similar solutions successfully. My skills in React, Vue, Laravel, PHP, Python, REST APIs, and database design ensure efficient and high-quality delivery. Feel free to share more details or ask questions. I’m ready to refine my approach to match your exact requirements. Looking forward to working with you. Best regards, Md Ruhul Ajom
$20 USD in 1 day
5.5
5.5

==== Hi-Truong Here ==== "IA PARA DETECÇÃO DE ANOMALIAS" — você precisa detectar sensores fora do padrão e transformar isso em alertas úteis. Eu começaria normalizando cada sensor e criando um baseline com Isolation Forest, comparando depois com Autoencoder apenas se os dados justificarem. Isso permite medir precision, recall e F1 com as anomalias já rotuladas antes de ligar o streaming e os alertas. Os dados têm timestamp e vários sensores medidos ao mesmo tempo, ou cada CSV representa um sensor separado? Looking forward to working with you.
$20 USD in 1 day
5.0
5.0

Como você já tem CSVs históricos com anomalias rotuladas, dá para tratar isto como um problema mensurável desde o início: eu treino contra os rótulos e te mostro precision/recall/F1 reais, e não apenas uma detecção que "parece boa". Proposta para a primeira fase (protótipo para validação): - pipeline de ingestão e normalização por sensor (escala, gaps e timestamps) em Pandas; - baseline com Isolation Forest e comparação rápida contra um Autoencoder simples, para escolhermos o que melhor separa as suas anomalias reais; - registros suspeitos expostos por uma API (FastAPI) e um dashboard simples; - relatório de performance com precision/recall/F1 e gráficos comparando os métodos. Trabalho em Python com Pandas, scikit-learn e PyTorch, então o código fica limpo e você consegue manter depois. Rodo e testo tudo em Linux, que é o seu ambiente de implantação. Assim que você me passar os dados de teste e os exemplos rotulados, confirmo o formato dos sensores e entrego o protótipo funcional. O refinamento, a documentação comentada e as instruções de deploy entram na segunda etapa, exatamente como você descreveu. Valor: US$25 para a fase de protótipo. Ricardo, avaliação 5.0 estrelas.
$25 USD in 4 days
2.6
2.6

Hi , You need an expert in Anomaly Detection, Python, JavaScript, Data Analysis, Software Architecture, Machine Learning (ML), PHP and Data Processing, and I have a tailor-made solution ready for you. Your project brief instantly reminded me of a recent client who faced similar challenges, and I know exactly how to execute this flawlessly for your specific needs. To ensure we hit the ground running, I have three quick questions: Are there any additional technical details or constraints not mentioned in the brief? What is the primary hurdle currently blocking your progress on this? What is your strict timeline for completion? Why trust me with your project? The Record: 250+ Projects. 6+ Years. 100+ consecutive 5-star reviews. The Standard: Zero misses. I don’t just finish the job; I guarantee flawless execution. The Availability: Full-time freelancer, online 9 AM - 9 PM EST. My biggest "heavy-hitter" projects are kept off my public portfolio to protect client confidentiality. Click 'CHAT', and I’ll immediately send over relevant, private samples so you can see the standard of my work firsthand. Best regards, Muhammad Arsalan
$10 USD in 5 days
2.1
2.1

Hey , I just went through the project description, and I see you are looking for someone experienced in Anomaly Detection, Python, PHP, JavaScript, Data Analysis, Machine Learning (ML), Software Architecture and Data Processing. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Regards, Ali .
$10 USD in 4 days
2.2
2.2

Hello, I’m bharghav, and I bring 10 years of experience in Matching Job Skills, particularly in the realm of Machine Learning (ML), Python, and Software Architecture. I have been involved in various projects that require meticulous data analysis and anomaly detection. I’ve thoroughly reviewed your requirement for developing an AI program that analyzes sensor data to identify anomalies. My approach will involve creating a robust solution that first preprocesses and normalizes your data from the provided CSV files and real-time streaming. I'll implement effective anomaly detection techniques such as Isolation Forest or Autoencoders. Additionally, the solution will feature a user-friendly dashboard or API to alert you to suspicious records, along with a comprehensive performance report highlighting precision, recall, and F1 scores. I’d love to start a chat to discuss your project in greater detail and explore how we can efficiently collaborate to achieve your goals. Best regards, bhargav922002
$21 USD in 3 days
1.3
1.3

Hi, I can build the Python anomaly detection prototype using your sensor data workflow. Delivering a maintainable AI solution that normalizes data, detects anomalies, and reports performance metrics is key. I’ll work with tools like Pandas, scikit-learn, TensorFlow, or PyTorch to process CSV history and streaming data, then provide alerts through a simple dashboard or API. I’ve worked on projects where machine learning models needed to turn raw data into clear, actionable results. I’ll structure the code with documentation and deployment instructions for your Linux environment. I’m determined to win this project and confident I can deliver high-quality results within the agreed deadline if awarded. Best regards.
$20 USD in 7 days
0.0
0.0

Hi there, I am a Full Stack Software Engineer with extensive experience in machine learning and data analysis. My expertise in building AI-powered applications makes me confident in successfully developing a solution for anomaly detection in sensor data. The project is crucial for effectively identifying anomalies and ensuring data reliability. I suggest using Python with libraries like Pandas for data handling and scikit-learn for applying techniques like Isolation Forest. The key to completing this project is to ensure accurate data normalization and timely alerts, which I can achieve by creating a simple dashboard or API for easy monitoring and reporting. Please send a message so we can discuss the details further. Looking forward to working with you. Thank you, Andre
$12 USD in 3 days
0.0
0.0

Construo um sistema de detecção de anomalias em dados de sensores usando Python, Pandas e scikit-learn, entregando um protótipo funcional rapidamente. Desenvolverei um pipeline de processamento de dados para normalização, aplicando Isolation Forest ou Autoencoder para identificar anomalias. A solução gerará alertas e um relatório de performance com métricas como precision e recall. Iniciarei com a ingestão e tratamento dos dados CSV e streaming. Em seguida, implementarei os modelos de detecção e a API para alertas, finalizando com o dashboard e o relatório de métricas. Entregarei o código com documentação e testes, pronto para implantação em Linux. O protótipo funcional será entregue dentro de 10 dias. Aguardo seus dados de teste.
$23.42 USD in 7 days
0.0
0.0

Hello, I’m interested in building your Python-based anomaly detection solution for multi-sensor data, with a practical architecture that can evolve from the prototype into a maintainable production system. I’ll first prepare the data pipeline to clean, normalize, and align historical CSV data with the available real-time sensor stream. For anomaly detection, I can evaluate approaches such as **Isolation Forest, Autoencoder, or other suitable models** based on the characteristics of your labeled data. The system can expose suspicious records through a lightweight dashboard or API and provide clear anomaly scores and alerts. I’ll also evaluate the model using **precision, recall, F1-score**, confusion matrices, and comparison graphs so the results are measurable and easy to understand. For the stack, I’d use Python with **Pandas, scikit-learn**, and TensorFlow/PyTorch where a neural approach provides a meaningful advantage. I’ll deliver the work in two stages: first a functional prototype for validation, followed by refinement, commented documentation, and Linux deployment instructions. I’m available to start immediately and can begin by reviewing the sensor data, existing labels, and current streaming workflow. Best regards, Juan
$20 USD in 7 days
0.0
0.0

Huambo, Angola
Member since Aug 17, 2026
₹750-1250 INR / hour
₹750-1250 INR / hour
₹750-1250 INR / hour
₹600-1500 INR
min $50 USD / hour
₹1500-12500 INR
₹1500-12500 INR
$8-15 USD / hour
₹1500-12500 INR
₹12500-37500 INR
₹12500-37500 INR
$8-15 USD / hour
$250-750 USD
₹100-400 INR / hour
$10-30 USD
$150-151 CAD
$250-750 USD
$15-25 USD / hour
₹12500-37500 INR
$20-120 USD