Freelance Data Engineers in TorontoFreelance Data Engineers in Toronto
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Antonio Coppe's avatar
Antonio Coppe
Toronto, Canada
Builds fast SaaS with React, Node, AI. Ships MVPs in weeks.
New to Contra
Builds fast SaaS with React, Node, AI. Ships MVPs in weeks.
Cover image for Full-Stack Engineer --> Grant Navigator Built an AI-assisted...
Full-Stack Engineer --> Grant Navigator Built an AI-assisted platform that helps Italian SMEs discover, qualify, and track government grants across multiple public sources. What I delivered: • Multi-source grant aggregation and structured search • AI-powered relevance scoring and natural-language summaries • User accounts, saved opportunities, and onboarding flow • Clean UI for browsing funding programs and eligibility filters Impact: • Centralizes scattered public funding data into one interface • Makes complex grant language understandable and actionable • Designed for real startup and SMB workflows Tech: Next.js, TypeScript, Supabase, Vercel, OpenAI API What this project shows: Product execution, data aggregation, UX clarity, and practical AI integration to solve a real information-navigation problem.
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Cover image for Full-Stack Engineer --> Riva dei Coz Booking Platform Built ...
Full-Stack Engineer --> Riva dei Coz Booking Platform Built a booking platform for a boutique hospitality business, letting guests reserve stays, pay online, and manage reservations smoothly. What I delivered: • Real-time availability and booking flow • Stripe payments and secure checkout • Sync with Booking.com (http://Booking.com) to avoid double bookings • Admin dashboard for pricing, dates, and guests • Mobile-friendly guest UI Impact: • Cut manual booking work by ~60 percent • Removed double-booking issues • Improved guest experience and conversion Tech: Next.js, TypeScript, Supabase, Stripe, Vercel What this project shows: End-to-end product build, payments, scheduling logic, and real customer deployment.
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Cover image for Full-Stack Engineer --> FuseQuote Built the quoting and sour...
Full-Stack Engineer --> FuseQuote Built the quoting and sourcing platform used by European electrical contractors to automate price comparison and generate client-ready proposals. What I delivered: • Supplier scraping and price aggregation • Quote builder with markup and tax logic • Clean proposal exports and approval workflow • Authentication, roles, and secure data flow • Deployment pipeline and monitoring setup Impact: • Reduced quoting time from hours to minutes • Eliminated manual supplier price checks • Increased win rate by making pricing faster and clearer Tech: Next.js, TypeScript, Python, Supabase, Stripe, Docker, GitHub Actions, Vercel What this project shows: Product thinking, data processing, real business automation, and production-grade execution end to end.
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Cover image for System Design Sandbox: Simulate Architectures for FAANG Prep...
System Design Sandbox: Simulate Architectures for FAANG Prep Built this interactive tool to make system design interviews hands-on. Pick scenarios like URL Shortener (5k RPS, 100ms P95), drag 9 components (CDN, Redis, Kafka), connect flows on an infinite canvas, and run simulations for instant latency/capacity feedback. No code needed. Key features: Real-time bottleneck detection, shareable designs via URL, mobile-friendly. Tech: React/Next.js frontend, Node.js backend, Vercel deploy, WebSockets for live sims. Impact: Beta users cut prep time 40%. One tester aced a senior engineer interview. Live demo: systemdesignsandbox.com (https://www.systemdesignsandbox.com/) Need a custom sim tool for your team? DM me.
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Data Engineer(1)
Debadyuti RoyChowdhury's avatar
Debadyuti RoyChowdhury
Toronto, Canada
Product & Growth Strategy Expert with 18+ Years Experience
5.0
Rating
1
Followers
Product & Growth Strategy Expert with 18+ Years Experience
Cover image for E-Commerce Insights Data as a service
E-Commerce Insights Data as a service
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1
Cover image for Automotive Artificial Intelligence COE
Automotive Artificial Intelligence COE
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1
Cover image for Health Tech Data Architecture Overhaul
Health Tech Data Architecture Overhaul
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1
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Data Engineer(1)
Jean-Michel Boudreau's avatar
Jean-Michel Boudreau
Toronto, Canada
Fullstack Engineer & ML Expert
Fullstack Engineer & ML Expert
Cover image for UV-VIS Spectra Classifier
UV-VIS Spectra Classifier
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4
Cover image for Scraping and Analyzing Social Media Data
Scraping and Analyzing Social Media Data
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6
Cover image for Tiger Saysavanh Photography
Tiger Saysavanh Photography
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8
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Data Engineer(2)
Harbhajan Singh's avatar
Harbhajan Singh
Toronto, Canada
Complete Solutions in Data Science, Analytics, RAG, and LLMs
Complete Solutions in Data Science, Analytics, RAG, and LLMs
Cover image for Visualizing Sales Data Using Tableau and Python
Visualizing Sales Data Using Tableau and Python
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4
Cover image for Traffic Sign Classification
Traffic Sign Classification
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3
Cover image for Implementing RAG-based Applications for Question-Answer on HOA
Implementing RAG-based Applications for Question-Answer on HOA
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4
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Data Engineer(3)