API Development projects — HireLancer archive

ID / Date Listing

Excel-Based Web Calculator App -- 2

I need a stand alone or web-based calculator app built from an Excel spreadsheet. Key Requirements: - Replicate advanced mathematical functions from Excel - No...

HL-40329960

Ruby Service with REST Endpoints Development(US based) -- 4

Project Details I need a small, well-structured Ruby service that exposes intuitive REST endpoints (GET, POST, PUT, DELETE). The core of the project is data-pro...

HL-40329995

Sports Predictions & Scores Platform -- 2

I need a complete, sports-themed solution that works both on the web and as native iOS/Android apps. The platform must deliver professional match predictions an...

HL-40329750

Serve tecnico FullStack JS costriure un Gestionale Annunci senza chiavi API SOLO PERSONE ESPERTE SOLO PER CHI PARLA ITALIANO AL TELEFONO DI FREELANCER NOCOAKISTANI NO INDIANI -- 2

Ho bisogno di un tecnico che sappia costruire un gestionale JavaScript FullStack che si colleghi alla piattaforma che già utilizzo per gestire vari siti di inco...

HL-40329759

CNC Machine Scheduling Android App

An Android-only application is required to coordinate machine scheduling on our CNC shop floor. The core goal is to give operators a simple way to see what job...

HL-40329794

Pre-Launch QR Code Engagement Tracking

Project Title: QR Code Tracking System for Pre-Launch Campaign Project Description: I need a simple backend system for a pre-launch advertising campaign where Q...

HL-40329652

Reddit Analytics Dashboard Development

I’m putting together an internal tool that pulls Reddit data and turns it into a clean, interactive dashboard. The focus is on three pillars: post performance m...

HL-40329679

Piattaforma gestione emergenze con anagrafica volontari responsive

Sto avviando lo sviluppo di un applicativo online completamente responsive, pensato per funzionare in modo fluido sia da desktop sia da smartphone. Il cuore del...

HL-40329540

Wearable Health App Full-Stack Build - Android & IOS

I have an early-stage, clearly scoped concept for a cross-platform health app and I’m ready to hand the entire build to a single full-stack specialist. The mobi...

HL-40329605

Automated MCA New Incorporation Data Scraper -- 2

We are looking for an experienced developer who can build an automated system to extract daily newly incorporated company data from the MCA (Ministry of Corpora...

HL-40329625

AI-Powered Knowledge Workspace

I need an end-to-end web application that lets a customer-support team upload internal docs, search the knowledge base, ask questions in natural language, and a...

HL-40329085

iOS & Android Commerce App

I’m launching an e-commerce mobile experience and need it released simultaneously on iOS and Android. The core scope covers everything from building the product...

HL-40328911

Custom Google Programmable Search Engine

I need a standalone search component built with Google Programmable Search Engine and the Programmable Search Element Control API, then dropped into an existing...

HL-40328770

RFID People Tracking System

I’m looking to build a custom RFID-based solution that continually tracks people as they move through our facility. The main objective is to be able to pair one...

HL-40328803

Mlm Web/Mobile Multi-Country platform

I need a complete, production-ready MLM system that runs seamlessly on both the web and companion mobile apps (iOS and Android). The structure is simple but non...

HL-40328844

Build a Production-Ready Golang Backend API (Clean Architecture, High Performance)

I’m looking for a skilled Golang developer to build a production-ready backend API following clean architecture principles. This project is intentionally small...

HL-40328697

WordPress AI SEO Plugin MVP

Hi, I’m looking for a developer to build a simple WordPress plugin for an AI-powered SEO content generator. This is an MVP that will be used inside WordPress ad...

HL-40328752

Python/AI Full Website Reconstruction

Project Overview I am looking for a Senior Python/AI Developer to build a professional reconstruction tool that converts any website/URL into 100% native Divi 5...

HL-40328594

AI Backend With Stripe Integration

I’m expanding an existing product and need a backend specialist who can wire in both Natural Language Processing and Predictive Analytics while adding a seamles...

HL-40328600

Ride Sharing Performance Mentor

I’m leading a small team that is rebuilding a ride-sharing style platform and we want a seasoned engineer who has actually scaled apps like Uber, Lyft or on-dem...

HL-40328620

Automated Visa Appointment Booking System

VFS Visa Appointment Automation System For clients in Turkey- Project Overview We are seeking an experienced developer to design and build a scalable, secure, a...

HL-40328501

Vending Machine Programming

I need assistance programming my combo vending machine. The machine should allow my employees to take 3 items a day using their employee ID cards for tracking....

HL-40328532

Secure Card Payment Orchestration

I need a single orchestration layer that can process Visa, Mastercard and American Express transactions for both my web checkout and native mobile apps. The flo...

HL-40328543

Stripe-Powered Payment Processing Website

I need a complete, production–ready website that can securely process both credit/debit card payments and the digital-wallet options Stripe supports (Apple Pay,...

HL-40328562

API-Based Healthcare Fulfillment Platform (Backend + Dashboard)

PROJECT TITLE API-Based Healthcare Fulfillment Platform (Backend + Dashboard) PROJECT DESCRIPTION We are building a backend platform that integrates with a tele...

HL-40328572

EV Charging Station Rental Web Platform (Spanish developer)

Project Name (Tentative) Electric Vehicle Charging Station Rental Platform Overview This project involves the development of a fully responsive web platform tha...

HL-40328461

Dashboard Development: Front-to-Back

1 / FRONT-END TO BACK-END DIRECTION Your dashboard already has the visual shell. So the work now goes in this order: A. Lock the front-end structure first Befor...

HL-40328165

Desarrollo Plataforma Web + PWA

TÍTULO Desarrollo Plataforma Web + PWA (tipo Nexteo) – Test Licencia de Conducir Chile (Escalable + Sistema de Pago) DESCRIPCIÓN GENERAL Busco desarrollador o e...

HL-40328388

Frappe Developer

A fresh module must be built on the Frappe framework and plugged into an existing ERPNext stack. The focus is strictly new module development rather than tweaki...

HL-40328241

Serve tecnico FullStack JS costriure un Gestionale Annunci senza chiavi API SOLO PERSONE ESPERTE SOLO PER CHI PARLA ITALIANO AL TELEFONO DI FREELANCER NOCOAKISTANI NO INDIANI NO PERDITEMPO