API Development projects — HireLancer archive

ID / Date Listing

Advanced Satta Matka Android Suite

I need a production-ready, native Android Satta Matka betting application that ships with every moving part already integrated and tested. The build must includ...

HL-40101085

Centralized Project Finance Platform

I need a single, authoritative platform to manage every pound of revenue, cost and profit margin across our projects. The application will replace a patchwork o...

HL-40101077

Custom Agentic AI Development

I need an end-to-end agentic AI system that can reason about goals I provide, choose the right tools or APIs, and execute tasks with minimal hand-holding. Think...

HL-40100871

Dabba Stock Trading App Development

I'm seeking a qualified developer to create a stock market dabba trading app for Android and Web. The ideal freelancer for this job should have a good understan...

HL-40100880

AI Automation Software Development

AI VIDEO REELS CREATION SOFTWARE

HL-40098734

Build a multi-tenant SaaS platform with three role-based dashboards: 1. Member Dashboard. 2. Church Admin Dashboard (Multi-tenant). 3. Super Admin Dashboard (System Administrator). 4. A Landing page. Include secure authentication, role-based acces

Build a multi-tenant SaaS platform with three role-based dashboards: 1. Member Dashboard 2. Church Admin Dashboard (Multi-tenant) 3. Super Admin Dashboard (Syst...

HL-40100947

Integrate Electricity Bill Payment API

I’m upgrading my existing ePayYatra recharge website and Android/iOS app to support electricity bill payments. I already have the third-party API credentials; w...

HL-40100748

Tour Package Booking System Development

I’m building a focused Tour & Travel Management platform whose first release centers on a streamlined booking system for tour packages only. The core workflow s...

HL-40100786

AI Task Automation Agent to perform as a professional PA

I want to off-load a large slice of day-to-day busywork to purpose-built AI agents and I need your help turning the idea into a working reality. The goal is cle...

HL-40100829

Online Platform Development for M/s TAX CORP

M/s TAX CORP: Passion Works Here M/s TAX CORP. is a Jamshedpur based Taxation & Financial Services firm. The firm provides a comprehensive range of financial an...

HL-40100837

WhatsApp Info-Bot Automation

I need a fully-functional workflow that listens to incoming messages on my WhatsApp chatbot, detects the user’s question and instantly gathers answers from both...

HL-40100619

Material Handling Equipment App Suite -- 2

Project Overview We are looking for a freelancer to design and develop a complete application ecosystem consisting of: 1. Client Application 2. Service Engineer...

HL-40100656

AI Task Automation Agents

I want to off-load a large slice of day-to-day busywork to purpose-built AI agents and I need your help turning the idea into a working reality. The goal is cle...

HL-40100676

Pinterest Automation With n8n -- 2

I need a single, cohesive workflow built in n8n that takes the manual work out of running my Pinterest account and ties performance data back into Google Analyt...

HL-40100710

Langfristige Python-Webentwicklung gesucht

ONLY GERMAN SPEAKING DEVELOPER (located in Germany) NUR DEUTSCH SPRECHENDE ENTWICKLER (Sitz in Deutschland) Ich plane den kompletten Aufbau sowie die fortlaufen...

HL-40100720

AI Task Automation Agent to perform as a professional PA

I want to off-load a large slice of day-to-day busywork to purpose-built AI agents and I need your help turning the idea into a working reality. The goal is cle...

HL-40100509

Website Architect need for newly built our classifyjunction website

We are looking for website Architect to build our website to give initial detailed scope of work to the website designer and developer and API developer. 9840 w...

HL-40100533

Freelancer Development Requirement – WhatsApp Multi-Account API Service

I am looking for an experienced full-stack developer to build a WhatsApp multi-account management system. The platform should allow users to easily connect mult...

HL-40100279

Java api with integration with Instagram api

Instagram Integration (Core APIs) Overview Your task is to implement three common, reusable REST APIs that handle Instagram account linking, data fetching, and...

HL-40100291

FastAPI API Backend

We are a desktop-based algorithmic trading platform looking to build a cloud backend to handle user authentication, strategy storage, a marketplace, and a socia...

HL-40100258

Advocate Client Management System

I’m a practising advocate based in Jaipur and I’m ready to replace the jumble of spreadsheets, notebooks, and WhatsApp threads with a single, purpose-built clie...

HL-40100089

Material Handling Equipment App Suite

Project Overview We are looking for a freelancer to design and develop a complete application ecosystem consisting of: 1. Client Application 2. Service Engineer...

HL-40099922

Sistem Poin Hadiah Interaktif

Saya ingin membangun sebuah sistem poin hadiah dari nol yang benar-benar mampu mendorong keterlibatan pengguna. Saat ini belum ada mekanisme poin sama sekali, j...

HL-40099968

Anytime Goalscorer Spin Wheel

I’m building a web feature that lets soccer fans click a vibrant “spin” button and watch an interactive wheel decide their Anytime Goalscorer pick in real time....

HL-40099760

Ruby REST API Endpoints -- 2

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

HL-40099553

Web Scraping Chrome Extension Development

Chrome Extension for Web Scraping Project Requirements: Step 1: Login / Signup Users can log in or sign up using their Google account. The admin panel will prov...

HL-40099597

Salesforce Developer Support

Design, develop, and maintain Salesforce solutions using Apex, SOQL, and Lightning Web Components (LWC) Build and optimize automation using Flows, validation ru...

HL-40099614

EU Electricity Algo Trading Platform

I am building a production-grade algorithmic optimisation trading platform dedicated to EU electricity markets and I need an experienced developer to take charg...

HL-40099444

Bulk TikTok Session Manager & Automation Web Panel

I’m building a self-hosted web panel that can drive dozens—eventually hundreds—of TikTok accounts without ever touching the login endpoint. I will supply a text...

HL-40099286

Chrome Extension for Web Scraping

I need a Google Chrome extension that will automate the collection of data from any page I visit. With a single click I want it to scrape three kinds of assets—...

HL-40099330

if you need a expert FullStack || Cross-Platform Developer

Service Description – Full Website / Application I provide custom web application development from start to finish. My service includes building modern, respons...

HL-40099362

Looking for White-Label Cloud Native Development Partners.

I run a cloud-native development company. For our upcoming 2026 campaigns and I’m expanding my bench with external talent that can quietly build under our brand...

HL-40099338

Reverse-Engineer Marketplace Backend API

We own and operate a custom marketplace website. The frontend communicates with the backend via internal HTTP requests, but there is no documented or formal API...

HL-40099263

Desarrollador/a de Plataforma Web SaaS

Buscamos un/a desarrollador/a o equipo freelance para crear una plataforma web SaaS orientada a pequeñas y medianas empresas de servicios (salones de belleza, c...

HL-40098997

Window & Door Quote App

I want to put a simple but reliable quotation tool into my sales team’s pockets, available on both iOS and Android from a single code-base. The goal is to let a...

HL-40099060

Automated Trading Journal Software Build

I want to turn my manual trading log into a fully-featured software application that pulls every fill straight from my brokerage account and turns it into actio...

HL-40098712

Unity Progressive Slot Developer

I’m building a small suite of five progressive-jackpot slot games that will run smoothly in any modern browser through Unity WebGL. Each game must be distinct i...

HL-40098792

Economical Carpool App Development

Just to be clear before the budget for this will be low and would like to add the person with me as a coder and payout monthly in the journeys once the app crea...

HL-40098801

Ready-Made Android Food Delivery -- 2

I need a fully working, production-ready Android food-delivery application that I can rebrand and push live on Google Play for just ₹5,000—payment is released o...

HL-40098809

Whitelabeled and IP protected Relaxation app

There's a need of developing a mobile app focused on relaxation with music and audio mixing features. You will work under strict NDA and IP protection while whi...