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Backend Developer for Data Ingestion

Search - MySQL · ai_analyzed · UID ~022074497097470422047

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Job Details

Budget Unknown
ExperienceExpert
DurationUnknown
Weekly hoursUnknown
Client countryAbout the client
ProposalsLess than 5
Interviewing0
Invites sent0
First seenTue, Jul 7, 2026 2:16 PM
Last seenWed, Jul 15, 2026 12:40 AM

Description

Summary ## Project Overview I am looking for an experienced backend developer to build a reliable data ingestion tool using the Financial Modeling Prep (FMP) API. The goal is to download and maintain historical daily stock price data for all NASDAQ-100 and S&P 500 companies in a local PostgreSQL database. ## Requirements The application should: * Connect to the Financial Modeling Prep REST API * Retrieve the latest NASDAQ-100 and S&P 500 constituent lists * Download complete historical daily OHLCV price data * Store the data in PostgreSQL * Avoid duplicate records * Support incremental updates (download only missing/new records) * Handle API rate limits gracefully * Include retry logic and proper error handling * Produce detailed execution logs ## Database The developer should create the required PostgreSQL schema and write clean SQL scripts. ## Deliverables * Complete source code * PostgreSQL database schema * Configuration via environment variables (.env) * Documentation explaining installation and usage * Instructions for running initial import and daily updates ## Preferred Skills * REST API integration * PostgreSQL * Data ingestion / ETL * Financial market APIs * Clean, maintainable code ## Nice to Have Experience with Financial Modeling Prep, Polygon, Alpha Vantage, Twelve Data, or similar financial data providers. Please include examples of similar API integration or financial data projects in your proposal.

Skills

PostgreSQL REST API ETL React

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