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PySpark is a Python extension module that provides a low-level interface to the Spark core. It allows you to submit Spark programs on remote clusters through PySpark APIs, thus saving the cost of compiling and sending code across different nodes. PySpark also provides support for data sources that can be processed by Spark SQL and Spark's structured streaming functionality.
Hire a professional PySpark Expert on Freelancer.com for superior data pipeline development, sophisticated cloud application deployment and innovative machine learning model design. With real-world expertise and top-tier skillsets, our experts will help you unlock the power of the PySpark Python API with hard-hitting and effective distributed applications. Join us today to get started!
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7.4
7.4
100%

Santa Cruz, Venezuela
$45 USD per hour
Hi, I'm an engineer with 10+ years of experience, specializing in Trading and Financial Software, Data Analysis and Data Science, and Full-Stack Web Development. My core expertise is in trading and finance. I build expert advisors (EAs), custom indicators, alerts, and trading bots, and I develop and backtest strategies across: * MetaTrader 4/5 (MQL4/5) * cTrader * TradingView (Pine Script) * NinjaTrader I also work on quantitative analysis, risk modeling, and machine learning applied to financial markets. Beyond trading, I bring strong full-stack and data engineering skills to a wide range of projects: * Programming: C/C++, C#, .NET, Python, Java, JavaScript * Web development: React, Node.js, HTML5/CSS/JS, REST APIs, third-party integrations * Data & analytics: data processing, statistical analysis, dashboards, automation (Python, R, Excel/Google Sheets) * Machine learning: model development, forecasting, NLP, and AI/LLM integrations Whether your project is a trading system, a web application, a data pipeline, or a custom tool in any of these languages, I focus on understanding your requirements clearly, delivering working and maintainable code, and keeping you informed throughout the process.

7.0
7.0
99%

Zagazig, Egypt
$30 USD per hour
I'm Adel, a results-oriented Data Engineer with 3+ years of experience and a passion for crafting creative solutions. Data Expertise: I excel in building complex data pipelines (ETL, Reverse ETL), data architecture design, and leveraging various technologies (Python, SQL, Spark, Hive, etc.) My proven track record includes: Reduced costs through efficient data solutions (e.g., saving $500+ monthly on Google Maps subscriptions). Increased data processing speed by 2x through data model optimization. Improved data reliability by 50% with a custom-built Data Quality Engine. Creative Edge: Beyond data, I bring a unique blend of creativity to the table. I can design eye-catching Flat Art and simple Illustrations to elevate your projects. Why Choose Me: I'm passionate about tackling challenges and delivering high-quality work on time. I thrive in both independent and collaborative environments. My diverse skillset combines extensive technical knowledge with a creative touch. Ready to unlock the power of your data and add visual flair? Let's chat!

9.4
9.4
99%

Manchester, United Kingdom
$34 USD per hour
Dream Solutions is a team of highly skilled developers, designers, and technology professionals dedicated to delivering exceptional digital solutions. We combine technical expertise, creativity, and a client-focused approach to provide high-quality services and products that meet the highest industry standards. Our team has extensive experience working with a wide range of technologies, frameworks, and software stacks, enabling us to develop tailored solutions that align with our clients unique business goals. Whether it's web development, mobile applications, custom software, UI/UX design, or cloud-based solutions, we are committed to delivering reliable, scalable, and innovative results on time and within budget. At Dream Solutions, we pride ourselves on building long-term partnerships by consistently exceeding expectations through quality, efficiency, and professional excellence.

9.4
9.4
95%

Mississauga, Canada
$25 USD per hour
We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.). 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple...

7.1
7.1
98%

Hyderabad, Pakistan
$20 USD per hour
➤ Meet your Top-Notch Freelancer! ➤ Graphics Expert with 10+ years of experience ➤ WordPress and Shopify Expert with 6+ years of experience ➤ Digital Marketer with 5+ years of experience ➤ Worked with more than 500 clients on various platforms ➤ 1000+ Projects delivered on various platforms Hey there! I'm Chandi, a pro at making awesome graphics, building websites, and doing digital marketing. I've been doing this for 10 years and have worked with over 500 clients on various platforms. People seem to like my work--I've got more than 500 ***** reviews online. In the past decade, I've wrapped up over 1000 projects for companies in 25+ countries. I'm proud to say I've never missed a deadline - I'm all about getting the job done right on time! ➤ If you're on board, we can have a great and lasting partnership that benefits us both. Let's talk! Regards, Chandi Ram Khatri

8.1
8.1
97%

SIALKOT, Pakistan
$50 USD per hour
Modular Solutions delivers advanced Engineering, AI/ML, Embedded Systems, and IoT solutions for startups, enterprises, researchers, and industrial clients worldwide. We transform complex ideas into production-ready systems — from AI platforms and automation tools to embedded hardware, enterprise software, industrial controls, simulations, and engineering designs. Our expertise combines Artificial Intelligence, Machine Learning, Computer Vision, Deep Learning, Data Science, Analytics, and Automation with strong software engineering capabilities in Python, C/C++, Java, C#, .NET, PHP, JavaScript, SQL, MATLAB, Simulink, and Linux-based systems. On the hardware side, we specialize in Embedded Systems, IoT Devices, FPGA/Verilog/VHDL, PCB Design, Raspberry Pi, Arduino, ARM development, RF systems, electronics, firmware, industrial automation, sensor integration, DSP, and hardware/software interfacing. We also provide Mechanical, Electrical, Civil, and Structural Engineering services including AutoCAD, Civil 3D, SolidWorks, CAD/CAM, Product Design, 3D Modelling, Simulation, Renewable Energy systems, and technical feasibility analysis. Our experience includes: • AI-powered analytics and automation platforms • Facial Recognition and OpenCV systems • Enterprise SaaS and backend platforms • Industrial automation and control systems • FPGA and embedded hardware development • MATLAB/Simulink modeling and simulation • IoT evaluation and sensor systems • CAD drafting and engineering design • Unity 3D and simulation applications • Data analytics and statistical analysis • Research, technical writing, and documentation We also support clients with Project Management, Business Analysis, Finance, Accounting, Bookkeeping, QuickBooks reconciliation, Reporting, Scientific Research, Research Writing, Technical Writing, and enterprise consulting. Our technical stack and domains include: AI & Machine Learning | Deep Learning | Neural Networks | Computer Vision | OpenCV | Data Science | Big Data | Statistical Analysis | SPSS | R Programming | Python | MATLAB | Simulink | Algorithm Development | Data Mining | Text Mining | C Programming | C++ | Java | C# | PHP | JavaScript | SQL | .NET | Software Architecture | Linux | Web Development | Electronics | Electrical Engineering | FPGA | Verilog/VHDL | Embedded Systems | IoT | Arduino | Raspberry Pi | ARM | PCB Design | RF Communications | DSP | CAD/CAM | AutoCAD | SolidWorks | Mechanical Engineering | Civil Engineering | Structural Engineering | Product Design | 3D Modelling | Unity 3D | Technical Writing | Research Writing | Project Management | Finance | QuickBooks | Business Analysis Clients choose Modular Solutions for strong communication, fast execution, technical depth, and the ability to solve complex engineering and software challenges under tight deadlines. We focus on delivering reliable, scalable, and production-ready solutions tailored to each client’s goals.

7.7
7.7
100%

Al-Obour, Egypt
$125 USD per hour
🚀 𝗦𝗘𝗡𝗜𝗢𝗥 𝗦𝗢𝗙𝗧𝗪𝗔𝗥𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 | 𝗟𝗔𝗥𝗔𝗩𝗘𝗟 • 𝗣𝗛𝗣 • 𝗣𝗬𝗧𝗛𝗢𝗡 • 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡 ✅ 200+ Successfully Completed Projects 🏆 7+ Years of Professional Experience 🌟 Officially Ranked as a Top 3% Freelancer on Freelancer.com 💯 100% Job Completion Rate 🎖️ 1MAC Certified ⭐ 𝗣𝗿𝗼𝘂𝗱𝗹𝘆 𝗕𝗮𝗰𝗸𝗲𝗱 𝗯𝘆 𝗥𝗲𝗮𝗹 𝗖𝗹𝗶𝗲𝗻𝘁 𝗥𝗲𝘃𝗶𝗲𝘄𝘀 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗧𝗿𝘂𝘀𝘁 👇 𝗦𝗰𝗿𝗼𝗹𝗹 𝗗𝗼𝘄𝗻 𝗧𝗼 𝗦𝗲𝗲 𝗧𝗵𝗲𝗺 ━━━━━━━━━━━━━━━━━━━ 💼 𝗠𝗬 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 🌐 Custom Web & Enterprise Application Development 📱 Android & iOS Mobile App Development 🧠 AI Development, RAG Systems & Intelligent Agents 🤖 Automations, Bots & Workflows 📊 Dashboards, Admin Panels, ERP & CRM Systems 🔗 API & Third-Party Integrations 💳 Payment Gateway Integration 🕷️ Web Scraping & Data Extraction 🐍 Python Development & Scripting 🔌 Custom Plugin Development 📡 IoT, Bluetooth & Microcontroller Systems ━━━━━━━━━━━━━━━━━━━ 💡 𝗪𝗛𝗔𝗧 𝗦𝗘𝗧𝗦 𝗠𝗘 𝗔𝗣𝗔𝗥𝗧 🎖️ 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹𝗶𝘀𝗺 & 𝗖𝗼𝗺𝗺𝗶𝘁𝗺𝗲𝗻𝘁 I value professionalism, clear communication, and delivering results on time. Every project is handled with dedication, responsibility, and attention to detail to ensure a smooth and stress-free experience for my clients. My goal is not only to meet expectations, but to exceed them through quality work, reliability, and long-term support. 🎯 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 & 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻 As a Senior Software Developer, I build high-quality, scalable, and reliable solutions with strong attention to detail, performance, and clean architecture. Every project is developed with precision to ensure flawless execution and long-term maintainability. 🤝 𝗘𝘁𝗵𝗶𝗰𝘀 & 𝗧𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝗰𝘆 Trust, honesty, and transparency are the foundation of my workflow. I only accept projects that fall within my expertise to ensure realistic expectations, efficient communication, and successful delivery without wasting your time or budget. 🚀 𝗙𝘂𝘁𝘂𝗿𝗲-𝗣𝗿𝗼𝗼𝗳 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I don’t just write code for today, I create scalable systems designed to evolve with your business. My goal is to deliver software that remains modern, maintainable, and easy to upgrade in the future. 💡 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻 & 𝗖𝗿𝗲𝗮𝘁𝗶𝘃𝗶𝘁𝘆 ✔ Unique Algorithms & Smart Functionality ✔ Creative Solutions That Add Business Value ✔ Modern Technologies & Industry Best Practices ✔ Competitor Research & Innovation-Focused Development 🛠️ 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗔𝗳𝘁𝗲𝗿-𝗦𝗮𝗹𝗲𝘀 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 My support continues after project completion. Whether you need improvements, fixes, upgrades, or additional features, I’m always available to help keep your software optimized and up to date. ━━━━━━━━━━━━━━━━━━━ 🚀 𝗟𝗘𝗧’𝗦 𝗕𝗨𝗜𝗟𝗗 𝗦𝗢𝗠𝗘𝗧𝗛𝗜𝗡𝗚 𝗘𝗫𝗖𝗘𝗣𝗧𝗜𝗢𝗡𝗔𝗟 I’m passionate about transforming ideas into powerful digital solutions that help businesses grow and stand out. 📩 Let’s discuss your project and turn your vision into reality.

8.1
8.1
100%

Lahore, Pakistan
$20 USD per hour
Full Stack (Web and Mobile apps) developer, proficient in: Web Expertise: → Laravel (PHP) | NodeJS | Python → HTML/HTML5 | CSS/TailwindCSS | JavaScript | BootStrap → ReactJS | AngularJS | VueJS | NextJS | NuxtJS | ReduxJS | Three.js | Express.js → Databases: SQL | MySQL | PostgreSQL | Oracle | MongoDB | MariaDB → A plus: Python, Java, .NET Core → RESTful and SOAP API(s) development + integrations → CMS: WordPress | Shopify | Joomla | Drupal | Magento | Wix | Prestashop → UI/UX Design: Figma | AdobeXD Mobile Expertise: → Native: Java, Kotlin, Swift, Objective C, Xamarin → Hybrid: Flutter, React Native → SQLite, MongoDB, PostgreSQL → Games: Unity (3D and 2D) Ai/ML Expertise: → TensorFlow, PyTorch, scikit-learn → Data Manipulation and Analysis: pandas, NumPy → NLP: NLTK (Natural Language Toolkit), spaCy → Cloud Services: AWS, Azure, Google Cloud → Big Data and Distributed Computing: Apache Hadoop, Apache Spark → OpenAI Gym, Stable Baselines, OpenCV I've been serving the field of tech since 2012 and have worked with leading tech giants in my country and all over the globe. I've worked on numerous robust Web and Mobile-based projects currently serving their bigger causes. The choice is yours!

9.0
9.0
94%

PERNAMBUT, India
$18 USD per hour
Colan Infotech is an early adopter of the developing Artificial Intelligence, Machine Learning, Data Science, Data Enginnering,Java,.Net.PHP,Testing,Mobility etc. We do Software Development, Website Designing, and Smart-phone apps development. We offer services to large enterprises, Small and Medium-size companies, and software product companies. We have a well-experienced team with strong technical background and dedicated team of professionals equipped with all required offshore project development, infrastructure and also we have associated with reputed partners in software products and technology.
A PySpark expert is a data engineer or developer who uses the Python API for Apache Spark to build distributed data processing pipelines, run large-scale analytics, and operationalize machine learning on big data clusters. Hiring a PySpark specialist on Freelancer.com gives you access to engineers who can move workloads from single-node Python scripts to cluster-scale processing without rewriting your business logic from scratch.
PySpark developers translate raw, high-volume data into structured outputs your business can act on. They build batch and streaming pipelines, optimize Spark jobs for cost and performance, and integrate Spark with cloud data lakes, warehouses, and orchestration tools. The commercial value is concrete: faster query times, lower compute bills, reliable nightly ETL, and machine learning models trained on data volumes that would crash a single machine.
Typical deliverables from a PySpark freelancer include:
Strong PySpark engineers are fluent across the broader big data ecosystem. Expect candidates to reference the platforms and libraries that show up in real production stacks.
PySpark is the default tool wherever data volume outgrows single-machine Python. Common use cases include:
The best PySpark freelancers combine distributed systems intuition with disciplined Python engineering. Look beyond familiarity with the API and check for evidence they understand what Spark is doing under the hood.
Portfolio markers to look for:
Sample interview questions you can use directly:
Freelancer.com connects you with PySpark developers across every major cloud and data stack, from independent contractors to specialized data engineering teams. You can post a project on Freelancer.com and receive competitive bids within hours, compare profiles side by side, and review verified ratings from past clients before committing. The global talent pool means you can match candidates to your timezone, your cloud platform, and your industry context. Clients set their own budgets, and Milestone Payments hold funds securely until agreed deliverables are met, which keeps both sides aligned through the engagement.
Ready to move your data workloads to scale?
Hiring a PySpark expert works best when you treat the brief as a technical specification rather than a vague request. The clearer you are about data volumes, source systems, target platform, and expected outputs, the higher the quality of bids you will receive. The process on Freelancer.com has three steps.
The project brief determines the calibre of freelancers who bid. For PySpark work, a brief that names the cluster platform, source data, target format, and performance expectations will filter out generalists and attract engineers who genuinely match the role. Head to the
Bids are short proposals that reveal how each freelancer interprets your brief. A strong PySpark proposal does more than quote a price: it summarizes the proposed architecture, raises clarifying questions, and signals familiarity with the tools you named. Read each bid carefully and shortlist candidates whose technical thinking matches your problem.
The final decision combines proposal quality with profile evidence. For PySpark work, consistency matters more than a single standout project. A freelancer who has shipped many medium-sized Spark pipelines is often a safer hire than one with a single flagship case study.
Pandas runs in memory on a single machine and is ideal for datasets up to a few gigabytes. PySpark distributes computation across a cluster, so it handles datasets from gigabytes into petabytes, supports streaming, and integrates natively with data lake storage. Many teams use both, prototyping in pandas and scaling production jobs in PySpark.
If your data fits comfortably on a single server and your pipelines are written in SQL or Python scripts, a general data engineer is usually sufficient. If you are working with Spark clusters, Databricks, EMR, or Delta Lake, hire a PySpark specialist who has tuned production jobs and understands shuffle behavior, partitioning, and cluster sizing.
A targeted job, such as tuning a slow Spark pipeline or migrating a single workload, can be completed in one to two weeks. Building a new end-to-end pipeline with ingestion, transformation, orchestration, and monitoring typically takes four to twelve weeks depending on data sources, business rules, and testing requirements.
Yes. Many clients hire PySpark experts on Freelancer.com for short engagements such as code reviews, performance audits, job optimization, or proof-of-concept pipelines. You can scope the work as a fixed-price project with clear deliverables or as an hourly engagement.
If your stack runs on Databricks, prioritize candidates with hands-on Databricks experience, including Workflows, Unity Catalog, and Delta Live Tables. The core PySpark API is the same, but platform-specific knowledge of cluster configuration, notebook workflows, and Databricks SQL will save significant ramp-up time.

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