Freelance Data Engineers in Washington

Freelance Data Engineers in WashingtonFreelance Data Engineers in Washington

Projects People

proAshburn, USA

Your trusted partner for AI powered Mobile/Web Applications

$10k+: Earned

9x: Hired

4.9: Rating

128: Followers

Agency

Certified

Your trusted partner for AI powered Mobile/Web Applications

Cover image for Greater Guilford Food Finder – Resource Discovery App

Greater Guilford Food Finder – Resource Discovery App

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2

Cover image for iMVPX - The Athlete Performance Intelligence Platform

iMVPX - The Athlete Performance Intelligence Platform

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1

Cover image for XXTRA Seat – Social Ride-Sharing App Development

XXTRA Seat – Social Ride-Sharing App Development

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4

93

Cover image for Admin Panel Development and performance and scalability

Admin Panel Development and performance and scalability

2

13

Data Engineer(5)

Washington, USA

Automating the boring stuff = better work/life balance.

$1k+: Earned

1x: Hired

1: Followers

Automating the boring stuff = better work/life balance.

Cover image for Digital Transformation Plan: AI Strategy

Digital Transformation Plan: AI Strategy

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32

Cover image for CRM Data Migration : AI Data Prep

CRM Data Migration : AI Data Prep

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15

Cover image for Netflix Customer Demographic Visualizer: AI Data Analysis

Netflix Customer Demographic Visualizer: AI Data Analysis

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41

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Data Engineer(2)

District of Columbia, USA

Backend, Frontend, DB, Cloud | 10+ yrs Exp.

Backend, Frontend, DB, Cloud | 10+ yrs Exp.

Cover image for Worked with Enterprise Data Pipeline

Worked with Enterprise Data Pipeline

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12

Cover image for Personal Drive on AWS S3

Personal Drive on AWS S3

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9

Cover image for Investing Platform Conversion

Investing Platform Conversion

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4

Cover image for Volkswagen website (https://www.vw.com)

Volkswagen website (https://www.vw.com)

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9

Data Engineer(3)

Michael Bennett

Takoma Park, USA

AI Systems Builder | Security | Automation

New to Contra

AI Systems Builder | Security | Automation

Cover image for QuantumShield Core — Governed AI

QuantumShield Core — Governed AI Security Operations Platform. Problem: Organizations using AI for security cannot prove, months later, that a human actually reviewed and governed AI output. When audits arrive, they have timestamps but no evidence of judgment. What I built: A production governance platform where every AI-assisted security decision goes through human review with mandatory written reasoning. Every decision is recorded in an immutable, append-only log that can be replayed step-by-step. The system enforces strict rules: no autonomous governance action, no hidden fallbacks, no record deletion. I built the operator interface, validated structural integrity, and documented the entire governance philosophy. Key capabilities: human-in-the-loop approval gates, decision replay, lineage visualization, governance scenario training lab. Tools: Python, JavaScript, PostgreSQL, Security Architecture, Governance Design. Learn more: https://quantumshieldlabs.dev/

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41

Cover image for I extended the open-source Paperclip

I extended the open-source Paperclip project into a multi-company AI operations control plane with real cost and governance controls. Every agent operates under per-project budgets with automatic hard-stops. Board governance includes approval gates for hiring agents and strategy changes. Built with TypeScript, React, PostgreSQL, Drizzle ORM, and Express. Open-source contributions are public; proprietary extensions available under NDA.

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26

Cover image for TheBinMap is a 528-page nationwide

TheBinMap is a 528-page nationwide directory of liquidation bin stores that I built from zero to live in under 10 weeks. It uses an automated data pipeline — Google Places discovery, AI enrichment, and static page generation — with zero server costs. It ranks on competitive local search terms and has multiple monetization paths. Built with Astro, Python, SQLite, and DeepSeek LLM integration. Live at thebinmap.com (http://thebinmap.com).

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33

Cover image for I identify security and protocol

I identify security and protocol gaps in major open-source infrastructure and ship fixes upstream. Contribution to Coinbase's x402 micropayment protocol (merged PR): added a security API built with TypeScript. Contribution to OQTOPUS quantum ecosystem (PR #79): built a zero-dependency Python attestation module using standard-library SHA-256 cryptography that detects tampered quantum hardware jobs. Full details at mbennett-labs.github.io/contributions.html (http://mbennett-labs.github.io/contributions.html).

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36

Data Engineer(1)