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Rating is 4.9 out of 5.
4.9/5
based on 183 client reviews
  • $40 hourly
    • 4.9/5
    • (14 jobs)
    I am a freelance engineer creating modern solutions to diverse product needs, blending data, geospatial and web development. I love making web apps, building interactive map dashboards, and taking digital products from concept to delivery. Services: Web development | Product development | Maps and visualization | Data analysis and GIS | Technical consultation 🤓 Some Highlights • 4+ years of hands-on experience in web development and React • 8+ years of hands-on experience in map creation and GIS • Co-founder and developer of Ptolemy.app, a European digital travel guide app • Published Geo AI research in the International Journal of E-Planning Research • MSc in Geoinformation Tech & Cartography (University of Glasgow, UK) • MEng in Civil Engineering (University of Bristol, UK) • Online GIS specialization by UC Davis ⛳ What You Gain by Working With Me • Technically sound, visually stunning, and easy-to-understand cartography • Ready-to-deploy online and offline maps tailored to your needs • A flexible approach to researching and recommending optimal solutions • Transparent and effective communication throughout our collaboration 👔 Trusted by Diverse Companies I have worked with innovative companies like Addresscloud, SmartHaul, Outdooractive, and Aegis Energy. "An excellent experience working with Nick - very responsive; communicated clearly; suggested good ideas and worked with my imperfect brief to deliver a high-quality mapped product. Highly recommended!" - Aegis Energy 🔧 Tech Stack: React, Next.js, Vue.js, Postgresql, PostGIS (spatial Postgresql), Supabase, Node.js, Express, QGIS, Mapbox, Google Cloud, Leaflet, Open Street Map, MongoDB, Python, FastAPI, Vector Graphics (Inkscape/Illustrator)
    Featured Skill Python
    Map Visualization
    Map Integration
    Geocoding
    Progressive Web App
    React
    Cartography
    PostgreSQL
    Next.js
    PostGIS
    Leaflet
    Mapbox
    OpenStreetMap
    Google Maps API
    QGIS
  • $60 hourly
    • 5.0/5
    • (27 jobs)
    ⭐⭐⭐⭐⭐ "Quick, Proactive, holistic view on the whole architecture." ↓ See my Portofolio WebSite Below ↓ As a self-taught developer with over 10 years of experience, I bring a wealth of knowledge in Python, SQL, C#, and VBA. I am passionate about delivering friendly, dedicated service tailored to each project’s needs. My approach prioritizes efficient time management, quick turnaround, and excellent communication throughout the project lifecycle. I am approachable, communicative, and adaptable, ensuring flexibility for any necessary adjustments mid-project. Skills: • Full-stack Development: Extensive experience in full-stack development projects using SQL and C# in ASP.NET, implementing CRUD functionality and efficient data management. Proficient in Python and the PyQt5 library, integrating seamlessly with SQL for comprehensive data management. • Automation and Scripting: Expert in VBA for Excel and SQL for daily data management in professional environments. Web Scraping: Skilled in creating automation scripts for web scraping using Python, enabling efficient data collection and analysis. • Deliverables Breakdown: Dedicated Project Work: Commitment to the project’s specific needs with transparent communication about work hours and progress. Comprehensive Reports: Detailed project completion reports, clear documentation of key highlights and instructions, and short demo videos to ensure smooth handovers and ongoing support. Additional Expertise: Consulting Services: Providing expert consulting for web and desktop application development, optimizing databases, improving query performance, and ensuring efficient data management. Whether you need a robust client management platform, dynamic web application, or sophisticated desktop software, I leverage technologies like C#, .NET 8, Blazor, Python, SQL, ASP.NET, WPF, WinForms, and PyQt to deliver high-quality, scalable solutions. My clients benefit from my efficiency and speed, ensuring they receive top-notch results within a reasonable timeframe. Let's work together to turn your vision into reality, optimizing functionality, and enhancing user experience to achieve your business goals.
    Featured Skill Python
    ASP.NET Core
    Blazor
    Python Script
    ASP.NET
    PostgreSQL
    Smart Home Framework
    Microsoft SQL Server
    MySQL
    C#
    SQL
    Full-Stack Development
    Automation
    Scripting
  • $65 hourly
    • 5.0/5
    • (19 jobs)
    I am a Machine Learning and Computer Vision Engineer with Electrical and Computer Engineering background and expertise in developing intelligent algorithms, designing efficient hardware systems, and creating user-friendly interfaces. With a strong background in Python and C++ and a deep understanding of machine learning frameworks like TensorFlow, I excel at leveraging data to derive meaningful insights and build robust models. I have a proven track record in various domains, including audio signal processing, image processing, and computer vision and in implementing such algorithms in embedded IoT devices to create functional prototypes. My goal is to leverage technology to solve real-world problems by creating products driving innovation. Throughout different educational programs and industrial work environments I have collaborated with amazing people of various disciplines and backgrounds from all around the world allowing me to develop a diverse perspective that I can provide. I had to develop strong adaptability, time management, and communication skills and become adept at collaborating with multidisciplinary teams, leading projects, and effectively presenting complex concepts to diverse stakeholders. Whether it's developing AI-powered solutions, prototyping new ideas, designing hardware embedded systems, or software desktop applications, I am driven by a commitment to deliver.
    Featured Skill Python
    Electronics
    Neural Network
    Embedded Linux
    Digital Signal Processing
    Data Processing
    OpenCV
    Unity
    C++
    Computer Vision
    Machine Learning
    Image Processing
    Prototyping
    TensorFlow
    Microcontroller
    Raspberry Pi
    3D Design
  • $40 hourly
    • 5.0/5
    • (9 jobs)
    👋 Hello, I'm a Full Stack Developer with a strong foundation in Computer Science and a commitment to delivering exceptional web solutions. Here’s a glimpse of what I bring to the table: 🌐 Web Development Expertise: Web Applications: Specializing in developing responsive web applications using Next.js and React for seamless and engaging user experiences. Server-Side Development: Proficient in PHP for dynamic server-side functionality and creating feature-rich websites. Cloud Services: Beginner-level experience with AWS for web application hosting and deployment, optimizing scalability and performance. Web Scraping: Skilled in data extraction and processing using tools like Selenium and Beautiful Soup, enabling data-driven decision-making. 🚀 Professional Experience: Project Management: Managed national and European research and development projects, including H2020 and Horizon Europe programs, as a Full Stack Developer at Metamind.gr. Frameworks: Expertise in Django, Django Rest Framework, and JavaScript to ensure robust and user-friendly web applications. Front-End Technologies: Proficient in front-end technologies such as HTML, CSS, vanilla JavaScript, jQuery, and Tailwind CSS for crafting compelling and responsive user interfaces. Collaboration: Worked collaboratively with cross-functional teams and stakeholders to ensure project success. WordPress Development: Extensive experience in WordPress development, including theme customization, plugin integration, and content management. Containerization: Skilled in Docker for simplified application deployment and scaling. Database Management: Expertise with PostgreSQL, MongoDB, and Elasticsearch for efficient data storage and retrieval. Cloud Technologies: Familiarity with Microsoft Azure for hosting and deploying applications to optimize performance and scalability. Version Control: Utilized Git for version control and code collaboration. Task Management: Employed Celery for efficient task queue management, including background processing. Scripting Languages: Proficient in Python, Ruby, and Bash for automation and development tasks. API Development: Developed and maintained RESTful APIs to facilitate seamless communication between front-end and back-end components. 💡 Continuous Learning: I’m passionate about staying up to date with the latest developments in the field and ready to embrace new technologies to meet your project’s needs. Let's collaborate to turn your ideas into functional and user-friendly web applications. I’m excited to work with you and contribute to your project’s success! Feel free to reach out to me for any inquiries or project discussions. Let’s bring your vision to life! 🚀
    Featured Skill Python
    Angular
    Elasticsearch
    RESTful API
    Tailwind CSS
    WordPress
    PHP
    React
    Django
    HTML
    Docker
    CSS
    JavaScript
    HTML5
  • $40 hourly
    • 5.0/5
    • (3 jobs)
    Data Analyst specializing in Python's data-related libraries, with certified expertise in Power BI. I excel in tasks such as data processing, data visualization, developing Power BI semantic models/reports/dashboards, statistical modeling, time series forecasting, etc. My niche is exploratory data analysis, and I am also well-versed in Python's statistical libraries. If you're looking for someone to work magic on your datasets or build dashboards for your organization, you're at the right place. I have many years of experience using Power BI and currently hold an active Microsoft certification (PL-300), while my journey with Python's statistical and data modules began more than a decade ago during my Master's degree. My professional background includes roles in international organizations engaged in humanitarian operations and market research companies.
    Featured Skill Python
    Tableau
    PyMC
    Python Scikit-Learn
    Matplotlib
    pandas
    NumPy
    Time Series Forecasting
    Data Management
    Regression Analysis
    Statistical Analysis
    Microsoft Power BI
    SQL
    Data Visualization
    Data Analysis
  • $50 hourly
    • 5.0/5
    • (50 jobs)
    I'm a Computer Engineering (MEng) graduate with solid professional experience in programming. I am highly adaptive, self motivated with problem solving skills. Provided a well defined problem I always get the job done. I never undertake projects beyond my powers. Skills: I have substantial experience (10+ years) in developing web applications and APIs, mostly working with Laravel framework. I have developed several event driven applications using AWS Serverless service, EventBridge-DynamoDB-SQS-lambdas. Also developed solutions using API Gateway and lambdas. I have good knowledge in PHP, Python, Java, javascript and vuejs. I can also work fullstack if needed. I have good knowledge of zoho creator and zoho suite in general. Successfully delivered more than 40 projects. I'm familiar with AWS cloud services and DevOps, docker, version control and the whole software development cycle. I deliver high quality code, always applying best practices including unit tests and well known patterns. Besides coding skills I have a thorough knowledge of algorithm theory and mathematics.
    Featured Skill Python
    HTML
    jQuery
    CSS
    API
    MySQL Programming
    API Integration
    AWS Lambda
    MySQL
    Java
    JavaScript
    Web Application
    PHP
    Zoho Creator
    Laravel
  • $37 hourly
    • 5.0/5
    • (2 jobs)
    Hey there! I'm an Android Developer with 8+ years of experience who ranks in the top 10% of Upwork profiles. Armed with an IT Engineering degree, my journey in the tech world has been both dynamic and rewarding. I've honed my craft across various domains, ensuring that I can tackle a wide range of challenges with confidence. My proficiency extends to both front-end and back-end development, and I'm well-versed in languages such as Java, Kotlin, and more. Whether it's building sleek and intuitive user interfaces or crafting robust server-side solutions, I've got you covered. I am a staunch advocate of clean coding practices and software architecture that promotes scalability and maintainability. My ability to design and implement elegant solutions is underpinned by years of experience in delivering tangible results. Beyond just code, I'm passionate about harnessing the power of emerging technologies. Whether it's integrating machine learning with Google ML Kit, embracing agile methodologies, or adopting modern architectural patterns, I'm all about staying ahead of the curve. SOME OF MY SKILLS ✅ ANDROID DEVELOPER Kotlin - Java - TensorFlow Lite - MLKit - SQLite - Firebase - MVVM - coroutines - Jetpack Compose - Retrofit - Room database - RESTful ✅ WEB WordPress - HTML5 - CSS3 - Bootstrap - Javascript - Jquery ✅ FRAMEWORKS - OTHER TECHNOLOGIES Android SDK - WordPress - XML - Libgdx - JQuery - JSON - Node.JS ✅ SERVER SIDE - DATABASE PHP - Python - SQL - MYSQL - phpMyAdmin - MongoDB Let's collaborate on your next project! Whether you're seeking a dynamic mobile app, an engaging website, or a custom software solution, I'm here to bring your vision to life. Let's connect and explore the endless possibilities together!
    Featured Skill Python
    Camera
    Android App Development
    Android
    JavaScript
    PHP
    Kotlin
    Java
    CSS
    WordPress
    HTML
  • $40 hourly
    • 5.0/5
    • (7 jobs)
    I am a Senior Full-Stack Developer with 9 years of experience. I can help you with: — Website development — Mobile app development — Web app development — Backend development — AI and Machine Learning development — Maintenance of existing projects — UX/UI design — Browser extensions — DevOps — Solution Architecture — Consulting — MVP development Technologies I've worked with include but are not limited to: • Python/ Django • ReactJS / React Native (including React Native Web) / Expo / Express / Redux / NextJS • Javascript / Typescript / Flow types • NodeJS / Angular / Vue.js • MongoDB / SQL (MySQL / MariaDB / PostgreSQL) / Redis • OAuth2 / Keycloak / Auth0 / Cognito • Kubernetes / Helm / Docker / Ansible / Terraform / Amplify / Firebase • AWS / Azure / GCP / on premises • RESTful / GraphQL / OpenTracing / AMQP (RabbitMQ) In my opinion, the key to a successful project is clear communication, so I will make sure that both the objective and the terms of the project are clear to both of us and will always be available to you throughout our project. If you feel that we are a match - send me an invitation to the interview.
    Featured Skill Python
    Natural Language Processing
    Machine Learning
    Artificial Intelligence
    C++
    MATLAB
    React
    Vue.js
    Ruby on Rails
    React Native
    Django
    Laravel
    JavaScript
    SQL
    Java
  • $20 hourly
    • 4.9/5
    • (133 jobs)
    For more than a decade, I utilize the R and Python programming languages to process, visualize and extract information from data and for almost five years for Geospatial analysis. I'm the author / maintainer of R packages (I've submitted more than 10 to CRAN). You can view my Github profile at the following weblink: github.com/mlampros I work with R and Rstudio on a daily basis. I can work with machine learning algorithms based on almost all CRAN, Github or Gitlab repositories. I can utilize visualization R packages such as ggplot2, plotly, tmap, leaflet, mapview. I can create shiny applications (shiny.rstudio.com/gallery/) and report my results in .pdf, word, .html or any other available format using Rmarkdown. Moreover, I'm capable of using the hybrid 'Rcpp' and 'RcppArmadillo' R packages to improve the efficiency of R code and the Keras and Pytorch deep learning libraries for regression, classification, object detection or image segmentation (with or without pre-trained models).
    Featured Skill Python
    3D Modeling Software
    Chatbot Development
    Geospatial Data
    Remote Sensing
    Data Analysis
    Satellite Image
    GIS
    R Shiny
    Image Processing
    Machine Learning
    Deep Learning
    R
    Keras
    PyTorch
  • $20 hourly
    • 5.0/5
    • (13 jobs)
    I’m a Full-Stack Developer experienced in building and deploying scalable web applications using modern technologies like Next.js, Node.js, Supabase, and PostgreSQL. I specialize in connecting beautifully designed frontends with efficient, secure, and maintainable backends, APIs, and databases. My recent work involves SaaS platforms, AI-assisted tools, and custom dashboards — developed, optimized, and deployed on platforms like Vercel, Railway, and Neon.tech. I also use n8n to integrate automation and AI workflows, and have hands-on experience working with MCP servers, Zep memory, and FastAPI/Django backends. Key Skills & Expertise: ✅ Frontend Development – React, Next.js (App Router), TypeScript, Tailwind CSS, ShadCN/UI ✅ Backend Development – Node.js, Express, REST APIs, FastAPI (basic), Django (basic) ✅ Database & Storage – Supabase, PostgreSQL, Neon.tech, MongoDB, MySQL ✅ Automation & AI Integration – n8n, Zep memory, OpenAI tools, MCP + Pydantic basics ✅ CMS & APIs – Strapi, custom Headless CMS integration ✅ DevOps & Deployment – Vercel, Railway, Supabase Hosting, Render, Bluehost, Netlify ✅ Version Control & Testing – Git, GitHub, Postman, CI/CD fundamentals With 3 years of hands-on development experience and a strong ability to adapt to new technologies, I deliver full-stack solutions that are both technically robust and aligned with business goals. Whether you're launching a new MVP or scaling a growing product, I’m here to help bring your vision to life — efficiently and reliably. Let’s talk about how we can build something great together.
    Featured Skill Python
    Supabase
    Tailwind CSS
    CSS
    HTML
    API
    Web Development
    Next.js
    MySQL
    MongoDB
    Node.js
    JavaScript
    TypeScript
    React
    MERN Stack
  • $25 hourly
    • 5.0/5
    • (18 jobs)
    As a CREST/Offensive Security (OSCP) Certified Penetration Tester and cybersecurity professional with 5 years of experience, my purpose is to protect businesses and individuals from the ever-increasing cyber threats that we face in today's digital age. I believe that everyone deserves the peace of mind that comes with knowing their digital assets are secure and their data protected, and I'm passionate about using my expertise to make that a reality. With extensive experience in offensive security, I specialize in conducting Web Application, Mobile Application, Internal/External infrastructure, and Wireless infrastructure vulnerability assessments and penetration testing exercises. By working closely with organizations, I develop tailored solutions that meet their unique needs and help them achieve their security goals. But my work isn't just about technical expertise - it's about empowering businesses and individuals to achieve their objectives with confidence. I'm committed to building strong relationships with the organizations I collaborate with, so that I can truly understand their needs and work collaboratively to create effective solutions. My focus is always on providing value to those I work with. ✅ I have conducted Penetration Test, Vulnerability Assessment and delivered professional reports to companies complying with: ► CREST standards ► Offensive Security (OSCP) standards ► OWASP Top 10 Vulnerability ► OWASP API Security Top 10 Vulnerability ► OWASP Mobile Security Top 10 Vulnerability ► CWE Top 25 Most Dangerous Software Errors ► ISO 27001 Penetration Testing ► General Data Protection Regulation (GDPR) ► Common Vulnerability Scoring System (CVSS)
    Featured Skill Python
    Computer Monitor
    Computer Network
    Vulnerability Assessment
    Network Penetration Testing
    Scripting
    Cybersecurity Monitoring
    Microsoft Azure
    Cyber Threat Intelligence
    Computer Science
    Web App Penetration Testing
    Metasploit
    Penetration Testing
    Information Security
    Nessus
  • $20 hourly
    • 5.0/5
    • (28 jobs)
    🔎 Looking for an experienced and reliable developer to bring your ideas to life? Backed by over 15 years in the industry, I can help you build powerful web applications, reliable APIs, scalable cloud architectures, and seamless automation workflows. ✅ My expertise in Python (Django, FastAPI), JavaScript (Google Apps Script, Cloudflare Workers), and AWS services (Lambda, S3, RDS, DynamoDB, CloudFormation) allows me to deliver high-quality solutions tailored to your needs. 🤝 Whether you need support for a short-term project or a long-term partnership, I’m ready to help you reach your goals on time and with precision.
    Featured Skill Python
    Artificial Intelligence
    API
    Amazon DynamoDB
    Data Extraction
    Google Sheets
    Google Apps Script
    Automation
    Scripting
    Back-End Development
    FastAPI
    AWS Lambda
    Web Application
    API Integration
    Django
  • $25 hourly
    • 4.8/5
    • (265 jobs)
    With a strong academic foundation and extensive professional experience in business intelligence, data visualization, and statistical modeling, I am confident in my ability to contribute effectively to any organization. After earning my degree in Finance, where I gained a solid grounding in Finance, Statistics, Macroeconomics, and Marketing, I pursued a Master's in Business Informatics. Most recently, I completed an MSc in Complex Systems and Networks, where I extensively used R to graphically represent statistical models and complex networks. These academic pursuits have honed my analytical and technical skills, while fostering a deep appreciation for the interplay between Computer Science and Economic Sciences. Currently, I am advancing my expertise through a PhD program, focusing on the application of machine learning and network science techniques in financial and economic systems. My research involves the development of predictive models and causal inference frameworks, using large-scale data analysis to address complex, real-world challenges in financial markets and organizational behavior. This experience has deepened my proficiency in quantitative methodologies, reinforced my ability to handle interdisciplinary projects, and enhanced my problem-solving approach when working with intricate datasets. In my professional experience as a Business Intelligence Analyst, I specialize in transforming complex datasets into actionable insights. My work involves leveraging tools such as R/Shiny, Tableau, Qlik Sense, and Microsoft Power BI to deliver data-driven solutions that align with business objectives. Additionally, I have collaborated with various firms on freelance projects, further refining my expertise in data visualization and statistical modeling. As an author for R-exercises, I have published tutorials and exercises on R packages like shiny, ggplot2, ggvis, and Rmarkdown, as well as machine learning methodologies. Through these contributions, I have demonstrated my ability to break down complex concepts into accessible and practical solutions, benefiting both professionals and learners in the field. My diverse academic and professional background has equipped me with a unique perspective, blending precision, creativity, and technical expertise. I am passionate about solving complex problems, uncovering actionable insights, and driving data-informed decision-making. I am excited about the possibility of contributing to impactful projects and would be delighted to discuss how my background aligns with organizational needs. Attached you can find URLs of some of my Shiny projects. There are only parts of them that I had clients' permission to deploy and use as a portfolio.
    Featured Skill Python
    Deep Learning
    Data Mining
    Statistical Analysis
    Markdown
    R Shiny
    Statistics
    Data Science
    Data Analysis
    Machine Learning
    ggplot2
    R
    Data Visualization
  • $30 hourly
    • 5.0/5
    • (9 jobs)
    Hi, I'm Tasos, a Python developer from Greece. My "native programming language" is Python, but i'm also comfortable with PHP, Java, C++, C# and Ruby. My fields of expertise include Web-Scraping, Network/Socket programming, Security/Cryptography and programming in general. I'm passionate about clean and efficient code and I always enjoy a good coding challenge.
    Featured Skill Python
    Internet Security
    Data Scraping
    Reverse Engineering
    Encryption
    Socket Programming
    PHP
    C#
    C++
  • $20 hourly
    • 5.0/5
    • (9 jobs)
    My name is Vasileios Papapostolou, a 24 years old Computer science grad who is currently pursuing a Master's Degree in "AI and Big data". I enjoy coding, and I have started my journey working as a full time software engineer in a startup. The purpose of freelancing is to gain knowledge and experience. I would like also to help people to give flesh and bones to their ideas. I am more into the engineering part rather than the AI. I have an in depth understanding of ML, DL, and Stats models. I really love graph theory, optimizations, complexity and in general discrete mathematics. Lastly I have to admit my biggest love is Elixir. It's a fully dynamic programming language for building scalable and fully distributed applications. Beyond the powerful Erlang VM I enjoy the syntax, the pattern matching, the macros and a lot more stuff. If you are interested for a more in depth conversation don't hesitate to ping me. My tech stack is the following: Elixir ( main language) Python, Java (good) Frameworks: Phoenix, FastAPI, Flask Kafka, Grafana, Redis, AI stuf: Machine Learning (Scikit) Deep Learning (Keras, Pytorch) Data Analysis( Pandas, Numpy, Seaborn, Matplotlib)
    Featured Skill Python
    Elasticsearch
    Django
    Redis
    Phoenix Web Framework
    Cache Management
    Elixir
    RESTful API
    Apache Kafka
    Phoenix
    Flask
    Java
  • $15 hourly
    • 5.0/5
    • (13 jobs)
    IT & Electronic Systems Engineer/Translator/Transcriber.
    Featured Skill Python
    Machine Learning
    Ethical Hacking
    JSON
    AJAX
    JavaScript
    Web API
    Web Server
    Linux System Administration
  • $60 hourly
    • 5.0/5
    • (14 jobs)
    Top 3% on Upwork | Fortune 500 & Inc. 5000 Contractor Specializing in: Startup Development (React, React Native, Django, Node.js) Internal Tool Creation (APIs, fraud prevention, AI integrations) SaaS Platforms (Stripe, Supabase, AWS, Twilio, Shopify) Why work with me? ✅ Serial Tech Founder: 15+ startups launched ✅ Full-Stack Expertise: Front-end to back-end, mobile to web ✅ Business-Driven Development: Not just code, but scalable solutions that drive growth What sets me apart: Adaptive Development Strategies for unique market challenges Clear Communication ensuring project clarity and client satisfaction Comprehensive startup experience with both tech skills and business know-how Recent Projects: Built fraud prevention system for tech startup, reducing chargebacks by 40% Developed user driven data analytics for Fortune 500 company, reducing their R&D costs 100x Created mobile app for survey tech startup, acquiring 150K+ users Happy to chat with other innovators and see how I can drive growth to your company!
    Featured Skill Python
    API
    Progressive Web App
    Redux
    Web Application
    API Integration
    RESTful Architecture
    Sass
    React
    JavaScript
    Django
    Node.js
  • $120 hourly
    • 5.0/5
    • (8 jobs)
    I am an experienced Machine Learning Engineer, skillful in Python, Big Data, Deep Learning and Earth Observation. As a researcher, I am very familiar with the state-of-the-art and can provide in-depth analyses. I have completed several projects including time-series forecasting, anomaly detection, computer vision, remote sensing & satellite data analysis. I have implemented and deployed several Machine Learning models that are currently used in production: - An NLP model that identifies cardiology-related scientific abstracts and categorizes them into more specific categories. - A wildfire forecasting model that uses weather and satellite data. - An anomaly detection model that produces risk scores for vulnerable servers. I am excited to solve diverse problems as a freelance Data Scientist and waiting to tackle the next challenge.
    Featured Skill Python
    Cloud Computing
    Big Data
    SQL
    Machine Learning
    Data Science
    Deep Learning
    PyTorch
  • $42 hourly
    • 5.0/5
    • (4 jobs)
    Hello there! Nice to check my profile, take your time and check all the sections. Send me a message if you want more info! -Who am I: I am a Data Scientist from Greece that is passionate about doing data science projects in tech. I have three years of working experience in the industry working with different companies both in the Netherlands and Greece -Past Working Experience: In the past, I worked on projects with companies such as Omron, ASML, TE Connectivity, FeedCalculator. -Past Educational Experience: Diploma (Bachelor and Masters ) Applied Mathematics and Physics Master in Nanotechnology Professional Doctorate Engineering in Data Science -Technical Strengths: Language: Python Strong: Machine Learning, Data Mining, Data Analysis, Machine Learning in Production. Moderate: Reinforcement Learning Experienced in Data Engineering skills. Experienced in Docker, Version Control, Deployment (GCP, Azure) CI/CD -Soft Skills: Participated in workshops related to: 1) Creative Thinking 2) Leadership 3) Teamwork 4) Design Thinking 5) System Thinking -Other achievements: 1 Patent in Machine learning and Manufacturing 1 Paper in Machine learning and Nanotechnology I looking forward to hearing your proposal.
    Featured Skill Python
    Data Mining
    GitHub
    CI/CD
    Mathematics
    Exploratory Data Analysis
    Dashboard
    Computer Vision
    TensorFlow
    Data Science
    Deep Learning
    Machine Learning
    Reinforcement Learning
    Physics
  • $50 hourly
    • 5.0/5
    • (45 jobs)
    I have great experience in web scraping and ETL, mainly using Python and the panda's library. I am familiar with proxies and many scraping techniques. Also, running them on the cloud is my forte, as I am familiar with many cloud services. Finally, I also have experience in Big Data and machine learning using Apache Spark (both Scala and Python). I have acquired that from my job as a freelancer, in which I applied machine learning algorithms to economic data (cryptocurrency).
    Featured Skill Python
    ETL Pipeline
    API
    Web Crawling
    Big Data
    Data Scraping
    Machine Learning
    Apache Spark
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    Experienced Node.js application adept at building and implementing web-based business application software and features to provide effective business customer service. Highly skilled in learning and recommending new technologies and tools for streamlining processes and increasing productivity. Proficient at constructing micro-service systems, traffic collection and analysis systems, databases, graphic tables and graphs. I have a rich experience with Figma, adaptive layout with pixel-perfect UI, Cross- Platform App Development. Was designing the construction of micro-service architectures using distributed event streaming to receive and process traffic working with leading advertisement companies. Made progress in writing complex scrapers with automatic authorization and captcha bypass. Was engaged in the development of traffic data presentation for analytics in the form of tables and graphs. Headed the development of mobile MVP applications for testing involvement in marketing ideas. Development of mobile applications using React Native on iOS and Android. Development of automated leads enrichment systems with CRM integrations. Developed a successful Twitter post monitoring system to obtain analytics of the success of posts and detailed analytics of the audience. Was succeed in the development of a portal for business dating like LinkedIn. He was able to establish work processes and establish the basis for development using flexible standards of the industry. Was responsible for choosing a database system and creating with the subsequent development of the project architecture. Technical skills: • JavaScript • TypeScript • Python • Node.js, Go (beginner) Front end technologies: • Vue.js, Vuex • React, React Native, • Redux • Chart.js, D3, HighCharts.js • jQuery and vanilla JS Back end technologies: • Nest.js, Express, Fastify • Handlebars • Kafka, Nats • Socket.io • gRPC • Docker/Swarm, k8s • Traefik, Nginx • Google APIs • Puppeteer, Playwright • GraphQL • Elastic Beanstalk(AWS) • TypeORM, Sequelize • Gitlab CI/CD Testing libs: • Puppeteer, Playwright • Jest, Mocha, Chai SQL and NoSQL databases: • ClickHouse • PostgreSQL, MySQL, SQLite • Redis • MongoDB
    Featured Skill Python
    Fastify
    Amazon
    Node.js
    PostgreSQL
    React Native
    Redis
    ClickHouse
    ExpressJS
    TypeScript
    MongoDB
    Vue.js
    GraphQL
    React
  • $50 hourly
    • 5.0/5
    • (11 jobs)
    Responsibilities: i) CNF and VNF design, implementation, deployment, life-cycle management. ii) REST API protocol definition, server/client creation, thin-thick wrappers over open source clients. iii) Designing, implementing, deploying and maintaining DevOps solutions, from SCM to CI and CD. iv) Automating complex processes. v) Legacy infrastructure transformation to IaC including backup and restore capabilities. vi) Breaking down and transforming monolithic legacy applications so they can be adopted to the world of (Micro)Services. Skills: Programming: Python Bash Ansible Technology: Kubernetes Docker Linux Openstack Eucalyptus Rest GitLab Jenkins Git Artifactory Conseptual: Cloud Native Network Functions Virualized Network Functions MicroServices Containerization Virtualization Software Configuration Management Continuous Integration Continuous Delivery Version Control Systems Continuous Testing Continuous Improvement Middleware Soft: Common Sense Direct and Clear Communication Lead by Example
    Featured Skill Python
    RESTful Architecture
    Automation
    Microservice
    Software Configuration Management
    Continuous Integration
    DevOps
    Docker
    Ansible
    Kubernetes
  • $60 hourly
    • 4.7/5
    • (11 jobs)
    Seasoned data scientist and quantitative developer, focused on building and evaluating complete trading infrastructures (from strategy/setup inception to thorough backtesting to live automated trading system) for funds, family offices and top-tier retail traders. Former founder and CTO of Quantflare, an alternative data provider startup with a focus on the algorithmic trading market subset. Few of the items I can assist you at : - Signal/Factor Analysis - Thorough Backtesting and Strategy Performance Reporting/Evaluation - Portfolio Optimization - Volatility/Return Forecasting (using ML/DL) - Systematic Hedging - In-depth Sentiment Analysis Constantly seeking for further alpha and/or business opportunities - happy to chat with experienced individuals in the industry.
    Featured Skill Python
    Algorithm Development
    Quantitative Analysis
    Investment Portfolio Review
    Quantitative Research
    Equity Research
    Mathematical Optimization
    Investment Strategy
    Quantitative Finance
    Investment Research
    Financial Management
    Financial Analysis
    Trading Automation
  • $40 hourly
    • 4.9/5
    • (5 jobs)
    I will try my best to achieve exactly what my client wants . I am cooperative, easy to work with and an excellent problem solver. My job is to make you a creative and fully functioning web-app! My main expertise are in Django/Python, Angular/Typescript and most of the Databases that someone would require. LLM implementation, ai agents integration and LangChain integration are some of my extra skills. Also web-hosting is something that i am familiar with, furthermore set up Web-server, Websockets and good experience with Dev ops tools.
    Featured Skill Python
    LangChain
    RESTful API
    HTML5
    JavaScript
    Redis
    Docker
    PostgreSQL
    CSS
    GraphQL
    TypeScript
    NGINX
    Angular
    MySQL
    Django
  • $40 hourly
    • 4.9/5
    • (5 jobs)
    With a background in Mathematics & Computer Science and over a decade of experience, I deliver advanced Power BI solutions that drive strategic decisions. My technical and leadership expertise ensures high-quality, tailored outputs for diverse business needs. * Advanced data modeling and DAX for complex, dynamic reports. * Expertise in IBCS principles for clear and effective data communication. * Can use Python, Deneb, and SVGs in reports, for compelling storytelling. * Proficient in ETL and integrating data from SQL, SharePoint, and more. * Experienced in training 200+ professionals through global workshops. I’ve led impactful transformations, helping organizations maximize their data potential: * Consistent delivery of 95% CSAT-rated reporting solutions. * Leading the development of KPI dashboards following ISO compliance & in-house quality standards. * Directing Power BI reporting for Teleperformance GR across local, regional, and global levels. * Coaching and supporting 60+ analysts, enhancing their Power BI skills * Designing and maintaining dynamic dashboards, integrating Python and custom visuals to meet diverse client needs. * Spearheaded the transition to Power BI for a major healthcare provider, working directly with the CEO and senior managers.
    Featured Skill Python
    Seaborn
    Data Visualization
    Exploratory Data Analysis
    Microsoft Word
    Power Query
    Data Analysis Expressions
    Data Analysis
    Salesforce
    Spreadsheet Software
    Microsoft Power BI
    Machine Learning
    Data Science
    Microsoft Excel
    Data Mining
  • $50 hourly
    • 5.0/5
    • (30 jobs)
    5 years of experience as a software engineer, from handling infrastructure, all the way to frontend, ready to jump in and help you on your projects! Tech: ReactJS, Javascript(JS), Typescript(TS), Python, PHP, AWS, NextJS, HTML, CSS, API, GraphQL. Great experience in Frameworks and APIs
    Featured Skill Python
    Node.js
    Front-End Development
    WordPress
    React
    Data Analysis
    API
    JavaScript
    HTML
    CSS
    PHP
    Machine Learning
    Data Mining
    SQL
  • $35 hourly
    • 5.0/5
    • (9 jobs)
    Experienced Data Scientist/Analyst with a demonstrated history of working in the financial services industry. Skilled in Microsoft Excel, Data Analysis, Ad-hoc Analysis, R, Google Data Studio, SQL, postgreSQL and Python. Strong engineering professional with a Master's degree focused in Applied Statistics from University of Piraeus.
    Featured Skill Python
    PostgreSQL
    Looker Studio
    SQL
    R
    Tableau
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