Freelancers using PostgreSQL in Toronto

Freelancers using PostgreSQL in TorontoFreelancers using PostgreSQL in Toronto

Projects People

Toronto, Canada

Building apps with Python & JavaScript

New to Contra

Building apps with Python & JavaScript

Cover image for Golf Performance and Course Explorer App Development

Golf Performance and Course Explorer App Development

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Cover image for Golf Performance and Course Explorer App Development

Golf Performance and Course Explorer App Development

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Cover image for Golf Performance and Course Explorer App Development

Golf Performance and Course Explorer App Development

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Toronto, Canada

Blockchain & Fullstack Solutions Expert

1x: Hired

3: Followers

Blockchain & Fullstack Solutions Expert

Cover image for Meme Token Launchpad

Meme Token Launchpad

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Cover image for Token Staking

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5

Cover image for ICO Presale for any blockchains

ICO Presale for any blockchains

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Cover image for Blockchain Betting Game

Blockchain Betting Game

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Toronto, Canada

Senior engineer specializing in full-stack and blockchain.

Senior engineer specializing in full-stack and blockchain.

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Cover image for Squirrel Wallet

Squirrel Wallet

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Cover image for Parallel Trading Card Game

Parallel Trading Card Game

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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 --> 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 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 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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Toronto, Canada

LLM Expert, Sr. Data Engineer - GCP

LLM Expert, Sr. Data Engineer - GCP

Cover image for Streamlining Healthcare Data Management with Gemini for Ritten

Streamlining Healthcare Data Management with Gemini for Ritten

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Cover image for RAG and Text-To-SQL LLM for ThisFish

RAG and Text-To-SQL LLM for ThisFish

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Cover image for High-Throughput Automated Face-Blurring for Boston Dynamics

High-Throughput Automated Face-Blurring for Boston Dynamics

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Oakville, Canada

The Voice AI Guy - Livekit & Pipecat 🎙️🤖

New to Contra

The Voice AI Guy - Livekit & Pipecat 🎙️🤖

Cover image for Voice AI SaaS Architecture Design

Voice AI SaaS Architecture Design

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Cover image for Voice AI Saas for Dental Clinics (Livekit)

Voice AI Saas for Dental Clinics (Livekit)

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Cover image for Web Voice AI Designs (Livekit)

Web Voice AI Designs (Livekit)

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Cover image for Custom Voice AI Orchestration Engine (LiveKit)

Custom Voice AI Orchestration Engine (LiveKit)

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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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Cover image for Full Stack Engineer @ Pondera Services LLC

Full Stack Engineer @ Pondera Services LLC

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Cover image for Back End Developer @ The Brain Train Co

Back End Developer @ The Brain Train Co

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Cover image for Software Engineer @ Yelp

Software Engineer @ Yelp

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Toronto, Canada

Software Developer with expertise in ML, HPC, AI and Quantum

New to Contra

Software Developer with expertise in ML, HPC, AI and Quantum

Cover image for Full-Stack Job Board Application Development

Full-Stack Job Board Application Development

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Cover image for Fractal Image Generation with OpenMP and MPI

Fractal Image Generation with OpenMP and MPI

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Cover image for GitHub - raviwaar/SLAM: Smart Lab Availability Manager

GitHub - raviwaar/SLAM: Smart Lab Availability Manager

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