Freelance Data Engineers in California
Freelance Data Engineers in California
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Johnny Aaron
Los Angeles, USA
Transforming data into business insights
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Transforming data into business insights
0
L.A. Fires Interactive Power BI Dashboard
0
6
0
Covid-19 Country Comparison
0
3
0
Lost Keys Infographic
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4
0
Sample Dashboard for Market Research Client
0
4
Data Engineer
(5)
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Christine Straub
Irvine, USA
Full-Stack AI/ML Software Engineer
$50k+
Earned
1x
Hired
5.0
Rating
63
Followers
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Full-Stack AI/ML Software Engineer
0
Creative intelligence & optimisation platform | Dragonfly AI
0
282
1
EMR | EHRHealthcare Application ( HIPAA Compliant )
1
206
1
RAG with AWS Bedrock and React
1
343
$71K+ earned
3
Software Engineer with AI/ML experience
2
3
168
Data Engineer
(2)
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Ari Harrison
pro
San Francisco, USA
AI & ML Engineer
$1k+
Earned
7x
Hired
23
Followers
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AI & ML Engineer
0
AiFee A creator donation and product sales platform. Support creators you love with donations and discover unique digital products. Deploy in minutes, no local setup required.
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102
0
Auto Sales Revenue Forecast Dashboard
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41
1
AI Groceries An AI-powered online grocery delivery platform built with Next.js 15, React 19, Supabase, Claude API, and Stripe. Designed around "The Harvest Table" philosophy -- abundant, warm, and grounded in real food provenance.
1
175
0
Biglabs Consulting-grade template for professional services firms. Manage case studies, articles, services, careers, testimonials, and client consultations with AI-powered analytics. Deploy in minutes, no local setup required. Features Thought Leadership — Publish articles and insights with categories, excerpts, and rich content Service Pages — Present your consulting services with detailed descriptions and feature lists Consultation Booking — Public intake form for prospective clients with scheduling preferences Careers Portal — Post open positions with departments, requirements, benefits, and salary ranges AI Analytics — Claude-powered insights and reporting on your consulting data And more.....
0
182
Data Engineer
(2)
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Johnny Ha
pro
Alhambra, USA
Senior Full-Stack Engineer | Web Development | AI Automation
$5k+
Earned
1x
Hired
5.0
Rating
15
Followers
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Senior Full-Stack Engineer | Web Development | AI Automation
2
PostgreSQL Database Architecture & Performance Tuning
2
90
2
Evoke - Project completed successfully and got ⭐⭐⭐⭐⭐ review🚀 Overview EVOKE is a mindfulness-focused digital experience designed to create a calm, distraction-free space for reflection and presence. Problem Most digital platforms are built for speed and engagement, which can feel overwhelming. The goal was to design a space that encourages stillness instead of stimulation. Approach I focused on creating a minimal and immersive interface using soft visuals, intentional spacing, and slow interactions to guide users into a reflective state. Solution Designed a clean, distraction-free UI Built immersive entry and reflection flows Used calming imagery and typography to shape the experience Developed smooth transitions to support a sense of presence Tech & Tools Web development, frontend engineering, UX/UI design Outcome The final product delivers a unique digital experience that prioritizes calmness and intentional interaction, standing out from traditional high-stimulation platforms. 👉 https://www.evoke-space.com/
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2
157
$6K+ earned
4
EVOKE - Mindfulness & Reflection Web Experience
4
14
6
Building Websites & CMS Solutions I’m currently working on modern websites and CMS-based projects using no-code and low-code platforms. I build and customize projects with: • Wix & Wix Studio (https://www.wix.com/)• WordPress (https://wordpress.com/)• Webflow (https://webflow.com/)• Bubble.io (http://Bubble.io) I help businesses and startups create fast, responsive, and scalable websites, from landing pages to full CMS and web apps. Open to new projects and collaborations.
4
6
211
Data Engineer
(1)
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John Keizer
San Jose, USA
🥇 Full-Stack Developer| Mobile Developer | AI Engineer
New to Contra
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🥇 Full-Stack Developer| Mobile Developer | AI Engineer
0
Hubfleet - Swift | Xcode | AWS | SQLite | UI/UX | Figma Design
0
75
1
Slidr by Stuff You Can Use - iOS, Android TV | Flutter | Cross Platform
1
1
100
0
Wizly - React.js/Nest.js | Web Socket | MongoDB | Stripe
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85
0
Grow Games & Icebreakers - Flutter | Cross-Platform
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94
Data Engineer
(1)
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Jeremy Cull
Santa Monica, USA
Fadeline — AIOps event packets (batch exports only)
New to Contra
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Fadeline — AIOps event packets (batch exports only)
0
Async Intake + Export Checklist + Output Spec
0
131
0
Data Handling Confidentiality
0
139
0
Fadeline V1 Factory Runbook
0
153
0
Fadeline Productized Service SOW
0
153
Data Engineer
(1)
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Marc Precilla
pro
Los Angeles, USA
Sharetribe™ & marketplace product expert | Fractional CTO
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Sharetribe™ & marketplace product expert | Fractional CTO
0
CTO and Engineer | TMS and Logistics Ecosystem
0
0
0
Rapid Site Build
0
0
0
Sharetribe Marketplace Customization
0
1
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Data Engineer
(1)
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Seema Patel
San Jose, USA
ML Engineer for smart product development.
New to Contra
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ML Engineer for smart product development.
0
Medical based solution and smart AI based platform for better doctor patient experience.
0
17
0
Shabdamitra Web Development and Management Project
0
1
0
AI based resume parser with highest accuracy and better readability of complex resumes.
0
12
0
https://numptyneuron.com/ Founder of Numpty Neuron and also manage all the development and business work.
0
23
Data Engineer
(2)
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