Freelancers using SQLite

Freelancers using SQLiteFreelancers using SQLite

Projects People

PROShinjuku City, Japan

Full-Stack & Mobile App Expert | AI & Cloud Solutions

$25k+: Earned

6x: Hired

5.0: Rating

213: Followers

Partner

Certified

Full-Stack & Mobile App Expert | AI & Cloud Solutions

Cover image for Bíbliuappin

3

11

Cover image for World Time App Development

World Time App Development

1

5

Cover image for Gokartz Freelance Talent Connection

Gokartz Freelance Talent Connection

6

54

Cover image for CinePix Mobile App Development

CinePix Mobile App Development

1

7

Ahmedabad, India

A programmer who loves to secure and break the code.

$1k+: Earned

45x: Hired

5.0: Rating

12: Followers

Expert

A programmer who loves to secure and break the code.

Cover image for Rent N Go Car Rental Web Application Development

Rent N Go Car Rental Web Application Development

0

6

Cover image for Backend Development for FCL Law Quotation Platform

Backend Development for FCL Law Quotation Platform

0

4

Cover image for Rhumuda Online Boat Charter Platform Development

Rhumuda Online Boat Charter Platform Development

1

8

Cover image for Flask Backend Development for MySkinCare E-commerce Platform

Flask Backend Development for MySkinCare E-commerce Platform

1

16

Israel Chinwuba

Design Engineer & Automation: I Build AI MVPs Fast

1x: Hired

5.0: Rating

15: Followers

Design Engineer & Automation: I Build AI MVPs Fast

Cover image for Swiss Kids Academy

Swiss Kids Academy

0

8

Cover image for Your website might be losing customers because it feels chea...

Your website might be losing customers because it feels cheap. Not the design. Not the copy. The feel. When someone clicks a button and it just... appears. No smoothness. No response. Their brain registers it as low-quality. It's like the difference between a luxury car door and a cheap rental. One feels solid. The other feels flimsy. Same with your website. For Day 4 of my 30-day UI challenge, I built an interactive demo that shows this difference. Instead of instant clicks, I made buttons and elements move smoothly. Like they have weight. Like they're real objects. Why this matters for your business: When your interface feels premium, people trust it more. And trust = conversions A smooth, responsive website tells customers: "We care about details. We're worth paying for." Try it: Link (https://ui-interactions-psi.vercel.app/)

0

3

Cover image for I recently audited a Series A startup bleeding leads. Great ...

I recently audited a Series A startup bleeding leads. Great tech, but a 'cheap' UI. In B2B, users judge your security by your physics. So we stopped treating the UI like a screen and started treating it like a physical object. Meet "Liquid Crystal" physics. 👇 The result? The "Trust Gap" closed. • Velocity Tilt (Reacts to speed) • Inertial Wobble (Settles heavily) • Hard Glint (Premium material) Your UI is your body language. Don't slouch. Code: https://github.com/chiizzy1/30-Days-of-Premium-UI-Interactions Demo: https://ui-interactions-psi.vercel.app/

0

7

Cover image for I’m starting a 30-day design engineering challenge today. Go...

I’m starting a 30-day design engineering challenge today. Goal: Build one high-fidelity interaction every day using Next.js and Framer Motion. Day 1: Kinetic Typography with spring physics. The build uses useSpring (stiffness: 400, damping: 25) to add weight to the cursor movement. It creates a "drag" effect that feels more physical than standard CSS transitions. You can grab the code for this component here: repo (https://github.com/chiizzy1/30-Days-of-Premium-UI-Interactions) #designengineering #buildinpublic

1

13

Alexandre Machado

PROGold Coast QLD, Australia

🚀 Expert React Developer 🌟

5.0: Rating

17: Followers

🚀 Expert React Developer 🌟

Cover image for Weekender: A full-stack e-commerce template built with React.

Weekender: A full-stack e-commerce template built with React.

0

6

Cover image for 🧠 From scattered tools to one clear control hub AI agencies...

🧠 From scattered tools to one clear control hub AI agencies often juggle multiple dashboards, spreadsheets, and CRMs — losing time and visibility in the process. I built Quantum Ops, a single command center that brings together clients, jobs, calendar, and analytics — turning daily operations from reactive to proactive. ⚡ Results: Up to 40 % less admin time Improved project visibility AI-ready foundation for analytics and automation Github repo below 👇 github.com/LXMachado/quantum-ops (https://github.com/LXMachado/quantum-ops)

2

15

134

Cover image for Quantum Ops - Agency Control Hub Dashboard

Quantum Ops - Agency Control Hub Dashboard

0

2

Cover image for Headless Shopify E-commerce Platform

Headless Shopify E-commerce Platform

0

22

Malang, Indonesia

Mobile/Web/AI Engineer • Backend & Cloud • Scalable products

116: Followers

Mobile/Web/AI Engineer • Backend & Cloud • Scalable products

Cover image for SQLite Database Recovery Tool Development

SQLite Database Recovery Tool Development

1

3

Cover image for Just launched an open-source Leaderboard API for game develo...

Just launched an open-source Leaderboard API for game developers! 🚀 Why I built this: Every game needs a leaderboard, but implementing one from scratch is time-consuming. This API handles all the heavy lifting! What it does: - Real-time player rankings - Player statistics & analytics - Daily/weekly/monthly leaderboards - Secure API authentication - Docker deployment ready - Complete API documentation Live & Ready: 🚀 API: https://api-leaderboard.qulyubis.biz.id 📖 Docs: https://api-leaderboard.qulyubis.biz.id/docs 📦 GitHub: github.com/Resaqulyubi/api-highscore-leaderboard 💡 Example game integrations coming soon! 100% FREE & OPEN SOURCE 🎉 Perfect for indie devs, game jams, or learning projects!

5

110

Cover image for What if a landing page could respond to your every move? 🤔 ...

What if a landing page could respond to your every move? 🤔 I just created an interactive experience that does exactly that! Move your cursor across the hero section and watch: - A flashlight effect that follows you - Particles that swirl toward your pointer - A hidden trophy revealed only under the light Smooth animations triggered as you scroll 👉 See it in live: https://creative-challenge-web.qulyubis.biz.id Which interactive element would you add next? I'm curious to hear your ideas! 💡 #WebDesign #InteractiveWeb #React #GSAP

6

265

Cover image for Today I built a website demo theme for Contra Space showcasi...

Today I built a website demo theme for Contra Space showcasing satellite technology and capabilities. Built with Next.js 14 (App Router), TypeScript, and Tailwind CSS, using React Three Fiber + Drei for 3D visuals and Framer Motion for smooth animations. Stack: Next.js 14 • TypeScript • Three.js • React Three Fiber • Drei • Framer Motion • Tailwind CSS • Lucide Icons Live demo: https://demo-web-space.qulyubis.biz.id/ -> feedback is welcome! Note: I’m currently waiting for my first client no projects yet, so I’m staying consistently productive. 🔥

2

252

Anastasia Kavzovich

Kodable founder, Full Stack Developer passioned for AI

5.0: Rating

20: Followers

Kodable founder, Full Stack Developer passioned for AI

Cover image for Offline-First iOS Idea Capture App Development

Offline-First iOS Idea Capture App Development

1

17

Cover image for Mobile App Development - Language Learning Platform for Children

Mobile App Development - Language Learning Platform for Children

1

10

Cover image for Client Communication Automation for a Beauty Studio

Client Communication Automation for a Beauty Studio

0

0

Cover image for Automating Lead Scraping & Email Enrichment With n8n

Automating Lead Scraping & Email Enrichment With n8n

1

5

Edgaras Kamandulis

PROSalò, Italy

High-Frequency Decision Architect for Zero-Latency Business

New to Contra

High-Frequency Decision Architect for Zero-Latency Business

Cover image for Sentinel: Automated Risk Management System An autonomous fai...

Sentinel: Automated Risk Management System An autonomous fail-safe system designed to protect capital in high-frequency trading environments. Features: The Reaper Protocol: Adaptive stop-loss algorithm that detects "vertical crashes" and liquidates positions in milliseconds. Sentiment Guard: Macro-trend analysis that locks trading (Risk-Off Mode) during systemic market failures. Event Logging: Immutable logging of every decision for post-trade forensic analysis.

1

53

Cover image for Spectre Engine: Signal Processing Core Engineered the mathem...

Spectre Engine: Signal Processing Core Engineered the mathematical heart of the Leviathan ecosystem using Singular Spectrum Analysis (SSA) and Kalman Filters. Key Capabilities: Signal Separation: Uses SVD decomposition to isolate the "True Value Line" of an asset from market noise. Predictive Modeling: Calculates the Hurst Exponent in real-time to classify market regimes (Trending vs Mean Reverting). Quantum Radar: A visual heatmap for identifying hidden divergences invisible to standard indicators.

11

144

Cover image for This isn't Finance. It's Physics. Markets are fluids. Price ...

This isn't Finance. It's Physics. Markets are fluids. Price is velocity. Crash is turbulence. While you stare at RSI, I am calculating the Laminar Flow. My S.C.A. Protocol applies Navier-Stokes equations to capital. If you understand this graph, you know why we need to talk. The Second Quantum Revolution is here.

0

24

Cover image for LIBRARIAN CORE: Architecting Intelligence beyond the "0=0" A...

LIBRARIAN CORE: Architecting Intelligence beyond the "0=0" Axiom Most people use AI to write emails. I built the Librarian to navigate reality. The screenshots below show the result of a single afternoon of intense development. It’s not 'pretty' yet, and it’s not finished—it is raw Backend Logic manifesting as an interface. I spent my time stabilizing the architecture and the core consistency of the system. The Philosophy behind the Code: Everything I build starts with a fundamental pact: 0=0. Absolute coherence. Truth. Input must equal Output. This is the mathematical baseline required to find truth within data. However, the Librarian knows that stasis is death. In his core, 0=0 is a fatal termination error. Why? Because if a system only confirms what it already knows, it isn’t evolving. It is just waiting to become dust. 🌌

25

239

Abdul Rauf Khan

PRORawalpindi, Pakistan

Full-Stack Developer | Agentic AI Engineer | Automation Pro

New to Contra

Full-Stack Developer | Agentic AI Engineer | Automation Pro

Cover image for An automated timed scraper that searches Kijiji for relevant...

An automated timed scraper that searches Kijiji for relevant ads based on certain keywords. If a relevant ad is found, it then sends an email to the user with the links to the relevant ads. The scraper continues to look for new ads once it has started.

0

20

Cover image for Design and Development of TestFlow QA Management Platform

Design and Development of TestFlow QA Management Platform

0

0

Cover image for 48by40 Equipment Management System

48by40 Equipment Management System

0

0

Cover image for Financial Tracker Desktop Application Development

Financial Tracker Desktop Application Development

0

0