Freelancers using Node.js in San Francisco

Freelancers using Node.js in San FranciscoFreelancers using Node.js in San Francisco

Projects People

proSan Francisco, USA

AI Campaign Assets + Agents for DTC Growth

$100k+: Earned

21x: Hired

5.0: Rating

302: Followers

Top

Partner

+1

AI Campaign Assets + Agents for DTC Growth

Cover image for Hex Toys ChatGPT CSR Bot

Hex Toys ChatGPT CSR Bot

0

55

Cover image for NFT Mint Telegram Bot

NFT Mint Telegram Bot

0

340

Cover image for SkyScribe Weather Telegram Bot

SkyScribe Weather Telegram Bot

1

159

Cover image for Bliss Point: Engineering Craving with AI

Bliss Point: Engineering Craving with AI

1

60

proSan Francisco, USA

Websites, videos and logos for your business

1x: Hired

13: Followers

Websites, videos and logos for your business

Cover image for Crew Cut: a party game that makes a movie

Crew Cut: a party game that makes a movie

1

0

Cover image for DEAD EVEN: an anime opening with no video model (Concept)

DEAD EVEN: an anime opening with no video model (Concept)

0

0

Cover image for EGO: a 90s anime opening (Concept)

EGO: a 90s anime opening (Concept)

0

0

Cover image for Code Garden: flowers, a sunset and a cake grown from text

Code Garden: flowers, a sunset and a cake grown from text

0

1

San Francisco, USA

Full-stack developer

21: Followers

Full-stack developer

Cover image for 🚨 Your database query works…

🚨 Your database query works… but it’s taking 3 seconds? Before rewriting the whole backend, check your database indexes. One missing index can turn a fast query into a slow one as your data grows. Optimize the query before optimizing everything else. ⚡ Have you checked your database indexes recently? 👇

5

403

Cover image for Found a bug that only

Found a bug that only happened in production. The code looked fine locally. The real problem? A missing environment variable. Lesson: Always check your production environment variables before rewriting working code. 😅 Have you ever spent hours debugging something that turned out to be a simple configuration issue?

7

540

Cover image for 🚨 A bug that looks

🚨 A bug that looks like a frontend problem might actually be your backend. I once spent time checking UI code, only to find the real issue was an API returning the wrong data. When debugging, I always check the full data flow: Frontend → API → Backend → Database Debug the source, not just the symptom. 🔍 Have you ever found a backend bug while fixing a frontend issue?

9

11

762

Cover image for 🚨 “It works on my

🚨 “It works on my machine.” The developer's most dangerous sentence 😂 Your app works perfectly locally, then suddenly breaks in production. Before blaming the code, check: 🔹 Environment variables 🔹 Node.js versions 🔹 Database connection 🔹 API URLs 🔹 CORS configuration 🔹 Production build settings Local success ≠ production readiness. Always test your application in an environment as close to production as possible. What’s the funniest “works locally, breaks in production” bug you've faced? 👇

4

11

611

San Francisco, USA

AI-First Full Stack Developer | SaaS, PropTech & Health Tech

14: Followers

AI-First Full Stack Developer | SaaS, PropTech & Health Tech

Cover image for Bliv - Reimagined Telemedicine Solution

Bliv - Reimagined Telemedicine Solution

0

5

Cover image for Instashowing - Showing Bookings & Offers Platform | React + ROR

Instashowing - Showing Bookings & Offers Platform | React + ROR

0

22

Cover image for HomeBldr - Investment & Renovation Solutions

HomeBldr - Investment & Renovation Solutions

0

6

Cover image for Sparrowell - A HIPAA-Compliant WebApp

Sparrowell - A HIPAA-Compliant WebApp

0

8

Vladislav Yefremov

San Francisco, USA

AI automation, bots & web apps developer from California

New to Contra

AI automation, bots & web apps developer from California

Cover image for AI gift game: one photo becomes a 3D game hero

AI gift game: one photo becomes a 3D game hero

0

0

Cover image for Day spa landing page in Carrd (concept)

Day spa landing page in Carrd (concept)

0

0

Cover image for Architecture studio portfolio site in Carrd (concept)

Architecture studio portfolio site in Carrd (concept)

0

0

Cover image for Premium skincare landing page in Carrd (concept)

Premium skincare landing page in Carrd (concept)

0

0

San Francisco, USA

Blockchain Dev: Fast, Experienced & Adaptable

Blockchain Dev: Fast, Experienced & Adaptable

Cover image for Smart Contract Development for Real Estate

Smart Contract Development for Real Estate

0

35

Cover image for Indexer

0

7

Cover image for ERC-7518: Dynamic Compliant Interop Security Token

ERC-7518: Dynamic Compliant Interop Security Token

0

54

Placeholder project card media

View more →

San Francisco, USA

Android & iOS App Developer (React Native)

Android & iOS App Developer (React Native)

Cover image for Investor Point –Full-Stack FinTech Investment

Investor Point –Full-Stack FinTech Investment Plan

0

90

Cover image for Built a Multi-Role EdTech LMS (500K+ Users, 47 Countries) us...

Built a Multi-Role EdTech LMS (500K+ Users, 47 Countries) using React Native Designed and developed a multi-role Learning Management System (LMS) for a global EdTech platform, serving 500K+ students across 47 countries. The platform supports students, guardians, and center administrators with real-time progress tracking, adaptive learning workflows, and offline-first functionality. Built using React Native with a single codebase, reducing development time while ensuring scalability, performance, and seamless cross-platform experience.

4

141

Cover image for MangoShop Mobile —React Native E‑Commerce

MangoShop Mobile —React Native E‑Commerce Platform

1

100

Cover image for Peasomy is a React Native

Peasomy is a React Native property operations and booking platform that unifies property discovery, listings, bookings, payments, and in-app communication. It provides role-based tools for Owners, Agencies, Cleaners, and Security to manage properties, track bookings, revenue, and operations. By centralizing workflows, Peasomy reduces operational friction, improves booking conversion, and helps property businesses scale efficiently.

0

132

San Francisco, USA

Let's build and grow products together 🚀

5.0: Rating

5: Followers

Let's build and grow products together 🚀

Cover image for Cardiogram

0

21

Cover image for Amazon.com

0

37

Cover image for Grow with Google

Grow with Google

0

22

Cover image for COVID-19 Dashboard

COVID-19 Dashboard

0

26