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I am conducting academic research and need a developer to build a **reproducible data collection pipeline** for Spotify Daily Top 200 rankings. This is not a one-time scraping task. The goal is to create a **research-grade, structured, and re-executable dataset archive**. - Data Scope Countries: USA, Global, Japan (System should allow future country expansion.) Period: January 1, 2022 – Latest available date Frequency: Daily - Required Output For each country: * One unified CSV file (UTF-8) * Streams stored as numeric integers * Clean standardized column names Minimum required fields: * date * rank * track_name * artist_names * streams If available, additional ranking-related fields (uri, source, peak_rank, previous_rank, days_on_chart, etc.) may also be included. - Critical Requirements (Very Important) This project must meet academic research standards: * Fully reproducible process (clear README required) * Ability to re-fetch by country and date * Logging per date: Success / failure, HTTP status, Retry count * Missing date tracking (missing list file) * Respect rate limits (no excessive access) * Minor source changes should be handled gracefully Environment: Windows Language: Python or R acceptable - Future Expansion (Not Required Now) The system should allow future extension to include Spotify audio features (danceability, energy, tempo, etc.), but this is not part of the current scope. Quality, reliability, and reproducibility are more important than speed.
N° de projet : 40254824
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Hi, I’m Aditya Prasetya, a Fullstack Developer with professional experience since 2019 in web, design, and mobile app development. Key Experience: - ERP systems for mining, textile, and chemical industries. - Integrated solutions with Radius servers, payment gateways, AI, e-commerce, accounting systems, chat apps with AI, gym booking with IoT, and PoS systems. Projects: - Web ERP: ERP systems for various industries. - Mobile Inventory: Real-time stock tracking apps. - Mobile eCommerce: E-commerce apps with payment integration. - Web eCommerce: Custom web-based e-commerce platforms. - CMS: Custom content management systems. - POS: PoS apps for retail/service businesses. - Webflow: Responsive custom websites. - WooCommerce & PrestaShop Plugins: Custom plugins for extended functionality. - Automation: Business process and data flow automation. - Data Scraping: Tools for competitive analysis. - API: Integrated custom APIs. - IoT: Gym booking systems with turnstile gates. - Company Profile: Professional profiles and portfolios. I am passionate about delivering scalable, efficient, and innovative solutions for every project. If you are looking for a developer to turn your ideas into a reality, visit [login to view URL] or explore my freelancer profile for more details and to get in touch!
$20 USD en 2 jours
0,0
0,0
27 freelances proposent en moyenne $21 USD pour ce travail

Hi, I have gone through job description and understand what you need. I am ready to start this project.
$30 USD en 1 jour
5,6
5,6

Hi client, I’ve carefully reviewed your job description and have strong experience in these API Integration, Data Visualization, Data Scraping, Data Collection, Web Scraping, Python, Data Analysis, Data Processing, API and Data Management. I can build a reliable web scraping solution tailored specifically to your needs. Whether using Node.js with Puppeteer/Cheerio or Python with Selenium/BeautifulSoup, I will extract, clean, and organize your data efficiently. I also handle anti-bot protections, pagination, and full automation as required. As you can see from my profile, my web scraping reviews are excellent, reflecting my commitment to quality work. I focus on writing clean, maintainable, and scalable code because I know the difference between 99% and 100%. If you hire me, I’ll do my best until you’re completely satisfied with the result. Let’s discuss your target website and preferred data format. Thanks, Denis
$30 USD en 1 jour
5,5
5,5

Hello, how are you? I would like to apply for this project. I have experience building data collection pipelines using Python and preparing research-ready datasets, with a strong focus on reproducibility and reliability in system design. For the requested Spotify Daily Top 200 ranking data, I will design a system that allows re-collection by country and by date, and will construct a unified dataset in CSV format. The data acquisition process will include logging functions (success, failure, HTTP status codes, and retry counts) as well as missing-date management, enabling the same conditions to be reproduced and executed again in the future. In addition, the system will comply with rate limits and be designed with scalability in mind so that additional countries can be added easily in the future. I will deliver the project in a reusable, research-oriented format, including clear documentation (README). I will prioritize data quality and reproducibility and will take full responsibility for delivering a reliable and robust solution. Thank you for your consideration.
$15 USD en 1 jour
4,4
4,4

With regards to your project, I'm confident in my ability to deliver the reproducible data collection pipeline you need for your Spotify Daily Top 200 rankings. Drawing on my extensive experience in full-stack web development and web scraping, I've built several efficient and scalable applications like the one you envision. My expertise in front-end interfaces using Vue.js also ensures that the outputs of this project will be user-friendly and readily usable by any scholar. In terms of specific skills, data analysis, data collection, data management, and data visualization are not only everyday tasks for me but are particularly relevant to this project. Furthermore, my solid background using Python for web scraping makes me proficient in utilizing the language so we can meet all your critical requirements. Whether it's respecting rate limits, updating for minor source changes, or logging per date with necessary details, together we can ensure that each box is checked.
$30 USD en 1 jour
2,4
2,4

Hello, I’ve gone through your job description and understand that you need a reproducible data pipeline for Spotify Daily Top 200 (USA, Global, Japan) from Jan 2022 onwards. With 5+ years of experience in Python data pipelines and research-grade datasets, I’ve built similar systems emphasizing reliability and reproducibility. What I can help you with: • Fetch daily rankings by country/date and output unified UTF-8 CSVs with standardized columns. • Implement logging, retry handling, missing-date tracking, and rate-limit compliance. • Provide clear README and setup instructions for re-execution and future expansion. Warm regards, Monica Bhatia
$20 USD en 2 jours
2,4
2,4

I understand that you need a reproducible data collection pipeline for Spotify's Daily Top 200 rankings, covering the USA, Global, and Japan from January 1, 2022, to the latest available date. The project requires daily data fetching, structured output in CSV format, and adherence to academic research standards, including logging and tracking missing dates. With over 15 years of experience and more than
$11 USD en 7 jours
2,0
2,0

Hi, I'm Vasyl, a seasoned developer with over 8 years of expertise in React, Angular, Node.js, and Python, specializing in API Integration. I have carefully reviewed your project requirements for building a reproducible Spotify Daily Top 200 research dataset. I propose to create a robust data collection pipeline that ensures research-grade quality and re-executability. My approach involves setting up a structured process for data collection, storage, and retrieval, adhering to academic research standards. I will design a scalable system that allows for future country expansion and potential inclusion of additional ranking-related fields. With a focus on reproducibility and reliability, I aim to deliver a unified CSV output with clean, standardized data fields. Let's discuss further to align on the technical details and project scope. Thanks, Vasyl
$25 USD en 7 jours
1,6
1,6

Hello, You need a research-grade, reproducible pipeline for collecting Spotify Daily Top 200 rankings across USA, Global, and Japan with a robust, future-proof design. I’ve spent the last 4 years solving exactly this type of problem: building end-to-end data collection + transformation workflows that are auditable, re-fetchable by country/date, and easy to extend. Here’s how I’ll fix it: - Architecture: a Windows-friendly Python (or R) workflow with a small, dependency-locked environment (conda/venv) and an optional Docker wrapper for portability. - Data flow: per-country schedulers write daily CSVs (UTF-8) with standard columns: date, rank, track_name, artist_names, streams; include optional fields (uri, source, peak_rank, previous_rank, days_on_chart) when available. - Reproducibility: a clear README with step-by-step setup, a Makefile (or Snakemake) for re-fetching by country/date, and a minimal CLI to run daily fetches. - Logging & reliability: per-date logs with status, HTTP status, retry_count; a missing_dates file to track gaps; rate-limit-aware requests with backoff; graceful handling of minor source changes. - Outputs & extendability: a single unified CSV per country; future extension for audio features without changing current outputs. - Validation: data quality checks for UTF-8, numeric streams, and consistent column names; test scripts to verify end-to-end reproducibility. If you need the pipeline to auto-schedule or run on Windows Task Scheduler, I’ll add that as
$25 USD en 1 jour
1,2
1,2

We have 4+ years of backend engineering experience building reproducible data pipelines using Python and Node.js, with strong focus on structured logging, API integrations, and research-grade data workflows. We currently design scalable AI/RAG systems, so reproducibility and clean dataset architecture are core to how we build. For your Spotify Daily Top 200 research dataset, we propose: Architecture (Python Recommended) • Modular data collection script (country + date parameterized) • Automatic daily iteration (2022–present) • Structured logging (success/failure, HTTP status, retries) • Missing-date tracker file • Rate-limit aware requests with retry/backoff logic • Clean unified CSV per country (UTF-8, standardized schema) • Streams stored as integers • Clear README for full re-execution Reproducibility Standards • Config file for countries & date range • Deterministic file structure • Version-controlled codebase • Graceful handling of minor source structure changes The system will be extendable for future Spotify audio feature enrichment without refactoring the core pipeline. Estimated timeline: 1–2 weeks Delivery includes: codebase, README, logging outputs, and validated CSV datasets. Ready to build a research-grade, fully reproducible archive.
$10 USD en 9 jours
0,4
0,4

Hi, This is a well-defined research-grade data engineering task, and I can build a fully reproducible pipeline that meets academic standards. I’ll develop a structured Python-based system (Windows compatible) to collect Spotify Daily Top 200 rankings for USA, Global, and Japan from Jan 1, 2022 to the latest available date. The architecture will be modular, allowing easy expansion to additional countries in the future. Each country will generate: • One unified UTF-8 CSV • Clean, standardized column names • Streams stored as numeric integers The pipeline will include: • Date-wise logging (success/failure, HTTP status, retry count) • Missing-date tracking file • Configurable country/date parameters • Rate-limit aware requests • Graceful handling of minor source changes A clear README will document setup, dependencies, execution steps, and re-fetch instructions to ensure full reproducibility. The system will be structured to allow future extension for Spotify audio features integration. Quality, reliability, and re-executability will be prioritized over speed. Happy to discuss implementation details and timeline.
$10 USD en 1 jour
0,0
0,0

Hello. I have hands-on experience in Python data pipeline development and especially I have rich experience in building reproducible research-grade data collection systems with logging and structured dataset outputs. I have done lots of automated public data aggregation and archival projects, including rate-limited API collection and daily scheduled datasets with full documentation for re-execution. So I am really interested in your project. Can we discuss more? Looking forward to hearing from you. Regards, Jeferson.
$10 USD en 1 jour
0,0
0,0

Hello, Your project is clearly aligned with academic research standards, and I understand that reproducibility and reliability are more important than speed. I can build a research-grade, fully reproducible Python pipeline for Spotify Daily Top 200 rankings. ### What I Will Deliver • Modular Python pipeline (country + date parameterized) • Daily collection from Jan 1, 2022 to latest available • One unified UTF-8 CSV per country • Streams stored as validated integers • Standardized, clean column names • Structured logging (date, status, HTTP code, retries) • Automatic retry + rate-limit handling • Missing-date tracking file • Clear README for full re-execution ### Architecture * Parameter-driven country/date loop * Backoff + retry logic * Idempotent runs (safe re-fetching) * Clean folder structure for archival * Designed to tolerate minor source changes The system will allow re-fetching specific date ranges and easy expansion to include Spotify audio features in the future. I have experience building research-ready, well-documented data pipelines with logging, validation, and structured outputs. I’m ready to start immediately and will prioritize quality, documentation, and long-term maintainability. Best regards, Muhammad Waqas
$10 USD en 1 jour
0,0
0,0

Hi I can build a research grade, fully reproducible Python pipeline that collects Spotify Daily Top 200 rankings from January 1, 2022 through the latest available date for USA, Global, and Japan, with an architecture that makes it easy to add more countries later. You will get one unified UTF 8 CSV per country with standardized column names and streams stored as integers. The pipeline will support refetching by country and date range, include robust logging per date with success or failure, HTTP status, retries, and a missing dates output file. I will implement rate limit friendly requests, backoff retries, and defensive parsing so minor upstream changes do not break the workflow. Delivery includes clean project structure, clear README with exact Windows setup steps, and a repeatable run command so you can regenerate the archive at any time for academic use. Best, Justin
$20 USD en 7 jours
2,8
2,8

As an experienced Full Stack Developer with a specialty in API Integration, I believe I am the perfect fit for your project. Let me assure you that I've worked extensively on developing data pipelines and creating structured datasets for various research purposes. My work focuses on qualitative, reproducible, and well-documented processes; complying perfectly with the academic standards you're looking for. With my skills in PHP and Python, I can create a robust Spotify scraping pipeline that is not only capable of retrieving your desired daily Top 200 rankings but also handles any minor source changes gracefully. My proficiency in dealing with large volumes of data means your extensive time scope (January 1st, 2022 - present) will be easily manageable without compromising on retrieval speed or quality. Additionally, my previous experience with building SaaS platforms and automation tools ensure that the system I develop will allow for future expansion without any hiccups. The fact that I respect rate limits and my understanding of the need to track missing dates reinforces my dedication to delivering a reliable, reproducible system to you. In short, if you choose me for the job, you are choosing quality, reliability, and long-term efficacy for your research needs.
$20 USD en 1 jour
0,0
0,0

Hello, I can build a reliable and fully reproducible pipeline to collect Spotify Daily Top 200 data for USA, Global, and Japan from Jan 1, 2022 to the latest date. The solution will generate clean, unified UTF-8 CSV files per country with standardized column names and numeric stream values. The system will include date-wise logging (success/failure, HTTP status, retries), missing-date tracking, and rate-limit handling to meet academic research standards. It will be modular and config-driven so you can easily re-fetch data by country or date and extend to new countries in the future. You will receive well-documented Python code, requirements file, and a clear README to ensure full reproducibility on Windows. I focus on accuracy, reliability, and clean data pipelines. Happy to start immediately. Best regards, Satya
$25 USD en 7 jours
0,0
0,0

I am a professional data entry operator with great typing speed. I am an expert in Excel, PDF to Word conversion, and data collection. I always ensure high quality and timely delivery for every project. I am very hardworking and dedicated to my work
$20 USD en 7 jours
0,0
0,0

With an academic research background and extensive experience in building reproducible data pipelines, I'm genuinely excited about the possibilities this project holds. For over five years, I've honed my craft in Python programming and have become quite adept at handling and structuring large-scale datasets – a skill that aligns perfectly with your needs. Your project perfectly combines my passion for analytics and love for clean, well-organized data. My proficiency in architecting algorithms means I can help you design a system that's reliable, scalable, and future-proof, just like you're asking for. Whether it's implementing rate limits to respect Spotify's guidelines or setting up a logging system to track every aspect of the process, you can be certain that I will prioritize the project according to your academic research standards. Despite being highly methodical, I understand artistic flair too. Although not explicitly required now, I like how your project opens doors for future expansion into audio features analysis. With my machine learning background, I have already delved into working with audio data and extracting meaningful elements such as "danceability", "energy" etc.), should the scope extend in that direction. Your satisfaction is my top-most priority, evidenced not only through an efficient final product but also via detailed READMEs for maintaining reproducibility. Thank you
$30 USD en 7 jours
0,0
0,0

I am a professional Data Entry and B2B Lead Generation specialist. I have done this type of work before and I have experience in this field. I will complete your task nicely, in a short time, and manually with full care. If you think I am suitable for this job, please feel free to knock/message me. I am ready to start working on your project.
$10 USD en 1 jour
0,0
0,0

I can build a fully reproducible Python data pipeline to collect and archive Spotify Daily Top 200 rankings for USA, Global, and Japan from January 1, 2022 to the latest available date. The system will be parameter-driven (country and date range), allowing complete re-execution at any time. For each country, it will generate one clean UTF-8 CSV file with standardized column names and streams stored as numeric integers. To meet academic research standards, the pipeline will include: Per-date logging (success/failure, HTTP status, retry count) Missing date tracking file Rate limiting with retry/backoff handling Graceful handling of minor source structure changes Clear README with setup and re-execution instructions Clean modular code structure for long-term maintainability The architecture will separate data fetching, validation, transformation, and export layers to ensure reliability and reproducibility. It will run smoothly on Windows and be designed for future extension (e.g., Spotify audio features integration). My focus is on building research-grade systems that are structured, transparent, and fully reproducible — not one-time scripts.
$20 USD en 7 jours
0,0
0,0

I have 5 years of experience. Payment is flexible; please pay what you feel is fair. Thank you all!!
$20 USD en 7 jours
0,0
0,0

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