Backend Development projects — HireLancer archive

ID / Date Listing

Digital Services Web Portal Development

I'm looking for an experienced developer to create a secure web portal that provides essential digital services including: - Birth certificate issuance - Aadhar...

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Need a Problem Solver/Creative Thinker for SUI Blockchain

Need a creative thinker and or problem solver to figure out how to mint 1 million+ NFTs on the SUI network for less than $5 in gas fees. Whether you use batch m...

HL-39567261

Fullstack Developer for REST APIs Integration

I'm seeking an experienced full stack developer to help with a project involving REST APIs integration. The tech stack includes JavaScript, React for the fronte...

HL-39567325

Senior Backend Engineer (Node.js, PostgreSQL, NextJS, API Integration)

We're seeking an experienced backend developer to build a event-driven system using Node.js and the Fastify framework. The backend developer will be responsible...

HL-39566928

PHP CodeIgniter4 Website Modification

I'm looking for an experienced developer to modify my website built on PHP, CodeIgniter4, and MySQL. Tasks: - Home Page: - Layout adjustments: Rearranging secti...

HL-39566688

AI React Photo Generation App

I'm looking for a skilled React developer to create a web application. The app will allow users to upload an image and generate four additional images of the sa...

HL-39566501

Backend Overhaul for Social Media App

I need a major overhaul of my backend to work efficiently with AWS Lightsail. The current setup is not functional and requires significant improvement. The app,...

HL-39564511

Backend Developer Needed for Personalized Santa Video Website

We're looking for a skilled backend developer to build the server-side functionality for a website with personalized santa videos. Key Features Needed: Video Se...

HL-39563951

Mobile App Dev Support Needed

I'm looking for a full stack developer to assist my team in completing mobile application projects. We develop for both iOS and Android using Flutter and native...

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Modificación de API de Controlador OMADA

Necesito un script para gestionar usuarios en el controlador de hardware OMADA a través de su API. Esto se ejecutará en un contenedor Docker en un router local....

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Tree Work Estimation App

We would like to develop an app that allows customers to obtain estimates on tree work being done. Phase 1 High Level Overview • Admin Portal where 4GTree admin...

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Fiskaly Integration Specialist for Digital Receipt Compliance (Luluu App)

Project Description: We are seeking an experienced developer to integrate Fiskaly’s API for digital receipt (fiscalization) compliance into our existing applica...

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Next.js Background Cropper Development - 29/06/2025 22:33 EDT

I need a Next.js website that features a background cropper tool. The cropper should automatically crop a given url to the specific images. Requirements: - Supp...

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Backend Redis Developer

I'm seeking a Fastify backend expert to resolve an issue with my Redis worker analytic queue. The issue is that one of my endpoints add a completion to the queu...

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Flutter Developer for Productivity App

I'm seeking an experienced FlutterFlow or Flutter developer to build a feature-rich Android mobile application integrated with a Supabase backend. Key Features:...

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Site de Compras de Interações de uma Rede Social

Preciso de um site onde os usuários façam login com o google. O site será de compras de interações para uma rede social onde o usuário poderá comprar seguidores...

HL-39555321

ONDC Integration Specialist

I'm looking for technical experts to onboard us as a Technology Service Provider (TSP) with ONDC. Key Requirements: - Expertise in REST API protocols. - Set up...

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Ride-Hailing App Development

I need a professional or team to develop a ride-hailing mobile application and backend system, similar to Uber or Bolt. The platform will allow private car owne...

HL-39552606

Web Developer

I am looking for a highly skilled and reliable web developer to collaborate with on various ongoing projects. The ideal candidate should be proficient in both f...

HL-39551494

Build a Stylish Food Truck Website for Urban Bites (Nigerian & Continental Dishes)

1. Display Our Full Menu – Nigerian + Continental meals – Include pictures & prices 2. Allow Orders & Bookings – WhatsApp integration for quick orders – Booking...

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Innovative Swipe-Driven Social Media App Development - 26/06/2025 18:26 EDT

-------------------------Build My Swipe-Based Social App (Simple MVP, Confidential) Project Type: Mobile App Development Platforms: iOS + Android (React Native,...

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Construction Estimating Tool Development

I need a desktop application estimating tool tailored for the construction industry. The tool must include: - Cost calculation - Material estimation - Plug in f...

HL-39548457

Bonus Page Design

Can you design eye catching fully cool looking bonus page design. Total to add 35+ bonuses and have buy or call to action button like "Click Here To Access [Pro...

HL-39547820

FlutterFlow Firebase Integration

I need to connect FlutterFlow to Firebase primarily for real-time database functionalities. Additionally, I require an admin panel in FlutterFlow with the follo...

HL-39547643

Highly skilled in Backend with Next.js / Flutter , Fix Codebase Errors & Optimize

I'm looking for a highly skilled and honest developer to fix errors in our current codebase and porting it to flutter. Key requirements: - Expertise in Backend,...

HL-39547519

API Replication and Backend Integration

This is not a mobile app development, only admin panel. no users login I need all available APIs from these apps replicated and stored in a backend panel for my...

HL-39546275

Backend Java Developer for E-commerce Refactor

Title: Senior Java Backend Developer for E-commerce Platform Refactor (4-Month Contract) Description: We’re seeking a highly skilled Java backend developer to r...

HL-39545964

Blockchain Connection Fix

I'm looking for a skilled Web 3 and Backend Developer to resolve some critical issues I'm facing with my Solana blockchain connection. The primary problem revol...

HL-39545715

AI-Powered Credit Management Platform

Title A credit management platform for U.S. consumers to simplify credit card bill tracking, payment optimization, and financial insights. ⸻ Key Details Project...

HL-39544237

Admin Panel Development with Advanced Module-Based Laravel Backend

We are seeking an experienced module-based Laravel developer to build and enhance our admin panel. Minimum requirement: 5 years of hands-on experience with Lara...

HL-39542339

We are looking to hire Recruiters for our projects - ongoing

I'm assembling a remote-first team for an innovative blockchain platform in the real estate sector. I'm seeking an experienced recruiter to connect us with skil...

HL-39542387

AI-Powered Travel Package Builder with Affiliate SDK & EaseMyTrip API Integration (Web + Admin)

Project Description: We are building a web-based AI travel package builder platform that allows users to plan, customize, and book personalized trips. The proje...

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Solana Wallet Analyzer Web App -- 2

Build a Web App for Analyzing Solana Wallets and Token Behavior Description: I’m looking for a skilled developer experienced in web apps + Solana blockchain to...

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Fitness App Developer Needed (Capacitor/Cordova + Deployment-Ready Features) - 1 Month Timeline

Hi! I’m looking for a skilled developer to help finalize and deploy my fitness app MVP — currently built in HTML, CSS, and JavaScript on Replit. The frontend is...

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Looking to hire developers urgently - FE, BE, and blockchain developers

I'm assembling a remote-first team to develop an innovative DEX platform. We're looking for: - Frontend Developers - Backend Developers - Blockchain Developers...

HL-39538628

Xano Development for SaaS

I'm seeking an experienced Xano developer to build backend services for my SaaS application. Key requirements: - User Authentication: Implement email/password a...

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B2B SaaS Dashboard Development

I'm building a B2B SaaS dashboard for car rental companies using WeWeb (frontend) and Xano (backend). I need help to complete the MVP and later support migratio...

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Fashion Deals Aggregator App Development

I'm seeking an experienced mobile developer to create a fashion deals aggregator app for both iOS and Android platforms. The app should aggregate deals from mul...

HL-39535591

Solana Wallet Analyzer Web App -- 2

Build a Web App for Analyzing Solana Wallets and Token Behavior Description: I’m looking for a skilled developer experienced in web apps + Solana blockchain to...

HL-39535255

Backend Development for User Auth & Geo-API

Job Title: Backend Developer for Login/Signup, Session Management & Location-Based API Integration (Confidential Project) Job Description: Hi! I'm looking for a...