Freelance Database Engineers in MississaugaFreelance Database Engineers in Mississauga
ProjectsPeople
roger mais's avatar
roger mais
Toronto, Canada
AI Chatbots & Automation | Integrate Workflow Solutions
AI Chatbots & Automation | Integrate Workflow Solutions
Cover image for FAQ AI Chatbot
FAQ AI Chatbot
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19
Cover image for Customer Support Automation
Customer Support Automation
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11
Cover image for Qualified Lead Optimization
Qualified Lead Optimization
1
9
Cover image for AI Chatbot for Enhanced Customer Sentiment
AI Chatbot for Enhanced Customer Sentiment
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6
Database Engineer(2)
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 --> 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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89
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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134
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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142
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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153
Database Engineer(1)
Asad Alvi's avatar
Asad Alvi
Richmond Hill, Canada
Experienced in ERP, CRM and Mobile App Dev
Experienced in ERP, CRM and Mobile App Dev
Cover image for Agile Apron
Agile Apron
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15
Cover image for Revrecycle: ERP & Marketing Solution for Recycling Industry
Revrecycle: ERP & Marketing Solution for Recycling Industry
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3
Cover image for OOB Kitchen: E-commerce for Restaurants
OOB Kitchen: E-commerce for Restaurants
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5
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Database Engineer(1)
Mark Isayan's avatar
Mark Isayan
Toronto, Canada
Fullstack Developer: Node, React & Cloud Expert
Fullstack Developer: Node, React & Cloud Expert
Cover image for Full Stack Engineer @ Prussian Motors
Full Stack Engineer @ Prussian Motors
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6
Cover image for Full Stack Engineer @ Pondera Services LLC
Full Stack Engineer @ Pondera Services LLC
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3
Cover image for Back End Developer @ The Brain Train Co
Back End Developer @ The Brain Train Co
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3
Cover image for Software Engineer @ Yelp
Software Engineer @ Yelp
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1
Database Engineer(1)
Gamal M.'s avatar
Gamal M.
Toronto, Canada
I Convert Your Numbers Into Actionable Business Insights
6
Followers
I Convert Your Numbers Into Actionable Business Insights
Cover image for Trinity Montessori School Website Redesign
Trinity Montessori School Website Redesign
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3
Cover image for Proofreading Workflow Optimization
Proofreading Workflow Optimization
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4
Cover image for Amazon Delivery Analysis
Amazon Delivery Analysis
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2
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Database Engineer(1)
Jason Bustamante's avatar
Jason Bustamante
Toronto, Canada
Turning ideas into digital products
Turning ideas into digital products
Cover image for Local Eats: Restaurant Finder
Local Eats: Restaurant Finder
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9
Cover image for Super Smash Bros.™ Ultimate
Super Smash Bros.™ Ultimate
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3
Cover image for Monstercat Music
Monstercat Music
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3
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Database Engineer(1)
Ashiq Alibhai's avatar
Ashiq Alibhai
Mississauga, Canada
Tech Lead | .NET, Azure, SaaS, APIs, Azure, CI/CD, Security
Tech Lead | .NET, Azure, SaaS, APIs, Azure, CI/CD, Security
Cover image for Game Analytics Platform with Public APIs
Game Analytics Platform with Public APIs
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0
Cover image for Genetic Programming Framework in .NET Core
Genetic Programming Framework in .NET Core
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1
Cover image for Full-Stack Web Application for Transport Canada
Full-Stack Web Application for Transport Canada
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0
Cover image for Scalable RESTful API for Enterprise Backup Solutions
Scalable RESTful API for Enterprise Backup Solutions
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1
Database Engineer(1)