PySpark Experts para contratar
Mostrando 10 resultados
Freelancers patrocinados
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Contratar Iwori
Hi, I am a highly motivated and professional Engineer with more than 10 years of experience building financial advisory solutions for clients while developing my skills through these same projects. I develop my products and applications to fit the ever-changing sciences of Machine Learning, a side of finances and...Hi, I am a highly motivated and professional Engineer with more than 10 years of experience building financial advisory solutions for clients while developing my skills through these same projects. I develop my products and applications to fit the ever-changing sciences of Machine Learning, a side of finances and economics that are becoming more and more prevalent in the industry. I specialize in a number of different areas of financial engineering, including: * Forex markets and stock exchange markets. * Financial analysis. * Machine Learning. * Statistic analysis. My skills are: * Metatrader 4/5 * cTrader * TradingView * C++ * C# * .NET * Pine Script * Java * Python * HTML/HTML5 - JS - CSS * Data Processing * Data Analysis I work to ensure that all my projects within these fields can scale and adapt to the industry as it changes, and I work diligently with my clients to create applications and solutions that can be used long term. I could say more, but I think the best thing a prospective client can do is to look through my portfolio and reviews. My work speaks for itself, and I know I can do great things with anyone that works with me, so please don't hesitate to reach out. I love working with new clients, and am always excited for a new project and a new challenge! menos -
Contratar billybryan98
Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and...Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and a strong focus on problem-solving, I ensure every project I work on exceeds expectations and drives measurable results. Backend Development ✔️ Python: Flask, Django, RESTful APIs, data processing. ✔️ C#: ASP.NET Core, application development, Azure integrations. ✔️ PHP: Laravel, WordPress, custom CMS solutions. ✔️ SQL & Databases: PostgreSQL, MySQL, Couchbase, TypeORM. Frontend Development ✔️ React.js: Next.js, Remix.js, Astro.js ✔️ JavaScript: Angular, Vue, Vuex, TypeScript, jQuery. ✔️ CSS Frameworks: Bootstrap, Tailwind CSS, SCSS, LESS. ✔️ Responsive Design: HTML5, CSS3, Figma, pixel-perfect, cross-browser compatibility. Tools & Platforms: ✔️ Version Control: Git, GitHub, GitLab, Bitbucket ✔️ Cloud: AWS, Azure, Google Cloud, Couldflare ✔️ DevOps: Docker, CI/CD pipelines, Jenkins. ✔️ Collaboration: Trello, Slack, Jira. What I Offer ✔️ Custom Web Applications: Fully responsive and optimized for performance. ✔️ API Development & Integration: Building and connecting APIs for seamless data exchange. ✔️ Database Design & Optimization: Efficient data models and query performance tuning. ✔️ Migration & Upgrades: Smooth transitions with zero downtime. ✔️ Full-Stack Solutions: From UI/UX design to backend logic and deployment. I'm passionate about turning your ideas into functional, scalable, and visually appealing digital solutions. Whether you need a one-off project or long-term collaboration, I’m here to help. Let's bring your project to life! Let’s discuss your project needs and start building something amazing together. Best regards, Billy Bryan menos -
Contratar olehk7
I’m a Python specialist with deep expertise in web development, data science, and automation. I’ve mastered frameworks like Django, Flask, and FastAPI, and I use tools like Pandas, NumPy, and SciPy to turn raw data into powerful insights. From clean REST APIs to high-performance data pipelines — I deliver scalable,...I’m a Python specialist with deep expertise in web development, data science, and automation. I’ve mastered frameworks like Django, Flask, and FastAPI, and I use tools like Pandas, NumPy, and SciPy to turn raw data into powerful insights. From clean REST APIs to high-performance data pipelines — I deliver scalable, efficient, and production-ready Python solutions. My skills here: ■ Web Development - Django, Flask, FastAPI, HTMX, Jinja2 - RESTful API design, OAuth2 / JWT authentication - WebSockets, background tasks (Celery, Django Channels) - SQL & NoSQL: PostgreSQL, MySQL, SQLite, MongoDB - Frontend integration: JavaScript, HTML5, CSS3, Alpine.js ■ Data Science & Analytics - Pandas, NumPy, Matplotlib, Seaborn, Plotly - Scikit-learn, XGBoost, LightGBM, Statsmodels - Data wrangling, feature engineering, statistical testing - Time series analysis, forecasting, clustering & classification - Experiment design (A/B testing), BI reporting ■ Automation & Scripting - Web scraping: Selenium, BeautifulSoup, Scrapy - Task automation, file parsing, data ETL pipelines - PDF & Excel automation, API integrations, email scripting ■ Scientific Computing & Optimization - SymPy, SciPy, PuLP, CVXPY - Linear algebra, numerical methods, symbolic computation - Optimization problems (LP, QP), simulations ■ DevOps & Cloud Deployment - Docker, Docker Compose, NGINX, Git, CI/CD pipelines - AWS (EC2, S3, Lambda, RDS), Heroku, Vercel - Linux shell scripting, environment management (venv, conda) ■ Jupyter & Reporting - JupyterLab, Notebooks, nbconvert, Voila - Interactive dashboards: Streamlit, Dash, Panel - Data storytelling & client-ready visualizations ■ Testing & Quality Assurance - Pytest, unittest, code coverage, logging/debugging - Linting (flake8, black), static typing (mypy) ■ Other Tools & Skills - OpenAI API, LangChain, Hugging Face Transformers - GitHub Actions, Makefiles, YAML config - Agile workflows, technical documentation (Sphinx, MkDocs) ■ What I Deliver ✅ Fast, clean Python code ✅ Scalable architecture for apps and scripts ✅ Professional reports, models & dashboards ✅ End-to-end project handling — from code to cloud Let’s build something powerful in Python. menos -
Contratar OWINOKAMAU
Redacción de investigaciones, Escritura técnica, Redacción de informes, Redacción de artículos, Diseño UMLMaster’s degree holder with over 10 years of experience in academic research writing, data analysis, and statistical modeling. I specialize in producing well-structured, evidence-based academic work for undergraduate, postgraduate, and doctoral-level clients. My work is grounded in peer-reviewed literature, sound...Master’s degree holder with over 10 years of experience in academic research writing, data analysis, and statistical modeling. I specialize in producing well-structured, evidence-based academic work for undergraduate, postgraduate, and doctoral-level clients. My work is grounded in peer-reviewed literature, sound research methodologies, and strict adherence to academic integrity standards. I have successfully completed research projects involving: ✔️Quantitative, qualitative, and mixed-methods studies ✔️Hypothesis testing, regression analysis, ANOVA, time-series analysis, and panel data ✔️Survey design, instrument validation, and data interpretation ✔️Systematic literature reviews and meta-analytical support ✔️Research proposals, theses, and dissertations ✔️Journal articles (APA, Harvard, MLA, IEEE) ✔️Data analysis using SPSS, R, Python, SAS, Excel, and Power BI Academic Coursework & Learning Support: ✔️ Weekly assignments and continuous assessment tasks ✔️ Discussion posts and academic reflections ✔️ Quizzes, tests, and timed assessments ✔️ Lab-based coursework and platform-guided assignments ✔️ Pearson, uCertify, McGraw-Hill Connect, WileyPLUS, MindTap, Blackboard, Moodle tasks ✔️ Data-driven lab reports and technical coursework Software Analysis, Design & Implementation (Academic & Project-Based): ✔️ Software Requirements Specification (SRS) ✔️ Business Requirements Document (BRD) ✔️ Functional & Non-Functional Requirements Analysis ✔️ System Analysis & Design (Use Case, Class, Sequence, Activity Diagrams) ✔️ Database Design (ERD, EERD, normalization up to 3NF/BCNF) ✔️ SQL Development & Database Implementation ✔️ Oracle, MySQL, PostgreSQL, MSSQL, MongoDB ✔️ Documentation aligned with IEEE & academic standards What sets me apart: ✔️ Original, plagiarism-free academic writing ✔️ Manual paraphrasing — no AI humanizing tools ✔️ Clear academic tone and logical argumentation ✔️ Unlimited revisions until expectations are met menos -
Contratar michael6060
Programación en C, Programación en C++, Visión por Computadora, Ciencia de datos, Procesamiento Digital de SeñalesA senior computer engineer with over 15 years experience in signal processing, machine learning, and high-performance architecture. Enjoys mentoring and thrives in complex problem spaces.A senior computer engineer with over 15 years experience in signal processing, machine learning, and high-performance architecture. Enjoys mentoring and thrives in complex problem spaces. menos -
Contratar sadam61
Thanks for visiting my profile! I’m an advanced Python Developer with strong real-world experience building automation systems, AI-powered workflows, high-accuracy web scrapers, data pipelines, trading tools, and custom backend APIs. Over the past 9+ years, I’ve delivered end-to-end digital solutions for startups,...Thanks for visiting my profile! I’m an advanced Python Developer with strong real-world experience building automation systems, AI-powered workflows, high-accuracy web scrapers, data pipelines, trading tools, and custom backend APIs. Over the past 9+ years, I’ve delivered end-to-end digital solutions for startups, enterprises, eCommerce brands, and Web3 projects—always focusing on speed, reliability, scalability, and clean architecture. I believe great development combines both deep theoretical knowledge and strong hands-on problem-solving, and that’s the mindset I bring to every project. 💡 Core Python Expertise ✔ Python Automation (Selenium, Playwright, Requests, AsyncIO) ✔ Web Scraping (BeautifulSoup, Scrapy, LXML, API Extraction) ✔ AI Bots (Telegram Bots, Discord Bots, Trading Bots, Automation Bots) ✔ API Development & Integration (FastAPI, Flask, Django) ✔ Data Processing (Pandas, NumPy, OpenPyXL, CSV/Excel/PDF automation) ✔ Task Scheduling & Workflow Automation (Celery, Cron Jobs, N8N, Zapier alternatives) ✔ Browser Automation for repetitive tasks ✔ Web Security, Anti-bot bypass, CAPTCHA bypass solutions ✔ MCP (Model Context Protocol) integration 🧠 Additional Strong Skills ✔ React / Next.js / Vue (Frontend-ready when needed) ✔ Node.js & Express.js for API or bot services ✔ Databases: PostgreSQL, MongoDB, MySQL ✔ Docker, Linux Servers, CI/CD ✔ Web3 / Solana Integrations (Tokens, NFT tasks, trading automation) 🚀 What I Can Build for You ✔ High-accuracy web scrapers with anti-block protection ✔ Fully custom data automation pipelines ✔ Intelligent Telegram & Discord bots ✔ End-to-end backend API systems (FastAPI / Django) ✔ Real-time dashboards, scraping monitors, alert systems ✔ Python scripts for file handling, PDF/Excel processing ✔ Crypto/DeFi trading bots (spot, DEX, API-based) ✔ Automation for Shopify, WordPress, CRM, ERP, social media, etc. 🧩 My Work Style ✔ Start immediately ✔ Full-time availability (40–50 hrs/week) ✔ Work in your time zone ✔ Fast communication ✔ Daily/Weekly updates ✔ On-time delivery & clean code ✔ Lifetime free bug-fix for delivered work 🌟 Why Clients Choose Me Because I deliver real results. Not just code — but scalable, stable, battle-tested solutions that run reliably in production. I'm honest, committed, and extremely detail-oriented. My goal isn’t just to complete tasks, but to help your business grow, simplify your workflow, and make your operations more efficient. 📬 Let’s Build Something Powerful If you need a Python automation expert, scraper developer, bot engineer, or backend API developer, feel free to message me anytime. I’m happy to provide free consultation and discuss your idea. Thanks for reading — looking forward to working with you! menos -
Contratar joaov210
Software Engineer with valuable experience designing and building scalable cloud data pipelines, with strong expertise in GCP and recent hands-on experience in Azure using Databricks and PySpark. Solid background in ETL/ELT processes, extracting data from APIs, relational databases, and files (Parquet/CSV),...Software Engineer with valuable experience designing and building scalable cloud data pipelines, with strong expertise in GCP and recent hands-on experience in Azure using Databricks and PySpark. Solid background in ETL/ELT processes, extracting data from APIs, relational databases, and files (Parquet/CSV), transforming data with PySpark/Spark, and designing semantic and analytical layers for BI and data-driven applications. Experienced in building robust data architectures, automating infrastructure with Terraform and Cloud Functions, and applying data engineering best practices. Hands-on experience building data pipelines on Azure Databricks, as well as developing Python APIs to serve Machine Learning model outputs directly from NoSQL databases. Led the evolution of this solution into an inference-focused API, capable of interpreting request data and applying heuristics by combining model inference with rule-based logic sourced from external databases. Additionally experienced in PHP and Laravel, building and maintaining backend systems, RESTful APIs, and web applications. Skilled in designing scalable server-side architectures, integrating third-party services, and supporting data-driven features within full-stack applications. Experience structuring data for Business Intelligence using Cube.js, Metabase, Looker, and Superset, ensuring reliable, well-modeled data for analysis and visualization. menos -
Contratar rogelitoc
I am a backend developer and AI Engineer with a deep passion for building intelligent, scalable, and high-performance systems. My expertise spans Python and Node js - from developing clean REST APIs with FastAPI, Django or Express, to architecting robust backend infrastructures that power real-world applications. As...I am a backend developer and AI Engineer with a deep passion for building intelligent, scalable, and high-performance systems. My expertise spans Python and Node js - from developing clean REST APIs with FastAPI, Django or Express, to architecting robust backend infrastructures that power real-world applications. As an AI Engineer, I specialize in transforming data into smart, deployable solutions-including LLM-powered assistants, RAG-based knowledge systems, and automation pipelines. I love blending machine learning, NLP, and real-time AI inference with practical backend implementations. Core Skills: Backend: Python, FastAPI, Django, Flask, Express, NestJS, Laravel, ASP.NET AI: Langchain, OpenAI API, Tensorflow, PyTorch, NLP, LLM, RAG systems Database: Postgresql, MySQL, Mongodb, Mariadb, Supabase, Firebase DevOps: Redis, Docker, AWS, WebSocekts, CI/CD menos -
Contratar DngPhgNam
Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI...Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI Software ✔ AI Web/Mobile App Development, full SaaS development(fast MVP, scale to real-product) ✔ AI Sales & Marketing Agents - automate customer engagement and follow-up ✔ AI Customer Service Bots - 24/7 chat, voice, and email automation ✔ Voice AI Assistants - for calls, appointments, and orders ✔ CRM & Funnel Integrations - HubSpot, GoHighLevel, Salesforce, Zoho ✔ Custom ML Models - trained for prediction, NLP, and automation tasks ✔ CMS & E-commerce Platforms – WordPress, Shopify, WooCommerce (custom themes, plugins, AI integrations, automation) ✅ Embedded AI & Electronics ✔ Edge AI Systems – ML models running directly on devices (ESP32, Jetson, Raspberry Pi) ✔ IoT Device Prototypes – connected sensors, controllers, and data pipelines ✔ Embedded Vision & Audio AI – on-device image and voice recognition ✔ Hardware + Cloud Integration – send real-time sensor data to AI dashboards ✔ Rapid Hardware MVPs – prototype boards, firmware, and control apps 🌟 Tech & AI Stack ✔ AI/ML: OpenAI GPT, Claude, Llama, Hugging Face, PyTorch, TensorFlow, scikit-learn ✔ Automation: LangChain, Make.com, Zapier, n8n ✔ Embedded: Arduino, ESP-IDF, Raspberry Pi, Jetson, MicroPython, Edge TPU ✔ Cloud: AWS, GCP, Azure – scalable & secure deployment ✔ DevOps: Docker, Kubernetes, GitHub Actions for CI/CD ✔ Languages: Python, TypeScript, C/C++, Node.js, C# 🌟 Why Work With Me ✔ I build complete systems - from AI logic to working hardware ✔ Fast prototyping for startups - MVPs that can grow into real products ✔ End-to-end delivery - hardware, software, and cloud working together ✔ Startup speed with enterprise-level reliability Let’s turn your idea into a smart AI-powered product - from chip to cloud. Build fast. Launch faster. Scale confidently. menos -
Contratar vyastik
Investigación, Búsqueda en la web, Investigación asistida por IA, Consultoría de IA, Investigación en IAI can do a lot of research for you! Dear sir or madam, I'm an experienced Web researcher and am eager to complete this job properly and in time.I can do a lot of research for you! Dear sir or madam, I'm an experienced Web researcher and am eager to complete this job properly and in time. menos
