Javascript

My team needs a seasoned full-stack developer to step in as a consultant who can transfer knowledge rather than write code. I’m specifically looking for someone confident across frontend, backend, and database layers who can translate that depth into clear, structured technical training sessions... (Budget: min $50 USD, Jobs: Backend Development, Database Management, Express JS, Frontend Development, Full Stack Development, JavaScript, Node.js, NoSQL Couch & Mongo, PostgreSQL, React.js)

I need a PageFly-built “coming soon” landing page live on Shopify before the end of today. The page’s sole purpose is to collect email and SMS leads while directing visitors to our current stockists, upcoming events, and social channels—all without exposing the full store yet... (Budget: $25 - $50 AUD, Jobs: CSS, Email Marketing, HTML, JavaScript, Klaviyo, Lead Generation, Shopify, Shopify Templates, Web Design, Website Design)

I’m building PulseTv, a live-streaming platform, and while I handle most of the core backend work, I need another set of hands to push the project over the finish line on both sides of the stack. Current... (Budget: $30 - $250 USD, Jobs: Frontend Development, Full Stack Development, HTML5, JavaScript, MySQL, Next.js, Node.js, PHP)

The task is to code a lightweight Pine Script v5 indicator that flags breakout events on a 1-minute chart. A breakout, for this purpose, occurs whenever price closes beyond the most recent high or low over a user-defined look-back window... (Budget: ₹1500 - ₹12500 INR, Jobs: Alerting, Algorithm, Financial Markets, JavaScript, Metatrader, PHP, Pine Script, Software Architecture)

I’m maintaining a news-focused application built with Angular and TypeScript, and a few irritating layout bugs are spoiling the user experience. Cards slip out of their grid, headers overlap at certain breakpoints, and some components ignore the flex settings meant to keep them tidy... (Budget: ₹600 - ₹1500 INR, Jobs: Angular, AngularJS, CSS, Frontend Development, Git, HTML5, JavaScript, Web Development)

We are looking for experienced React and Node.js developers based in Pakistan to join our growing team on a full-time, long-term basis. Requirements: Strong experience with React.js (hooks, state management,... (Budget: $250 - $750 USD, Jobs: AngularJS, API Integration, Frontend Development, JavaScript, MongoDB, Node.js, NoSQL Couch & Mongo, PostgreSQL, React.js, REST API)

I’m ready to give my current React-based front-end and Node.js back-end a thorough refresh. The codebase works, but it’s showing its age in three key areas: the look and feel, several backend workflows, and overall speed... (Budget: ₹600 - ₹1500 INR, Jobs: AngularJS, API Development, Backend Development, Figma, Frontend Development, JavaScript, MongoDB, Node.js, NoSQL Couch & Mongo, Web Development)

Project Description: I'm looking for an experienced developer or automation expert to set up an AI-powered Virtual Assistant (VA) integrated with my Launch Control account for real estate SMS outreach... (Budget: $15 - $50 USD, Jobs: API Development, Automotive, Data Analysis, Data Integration, JavaScript, MySQL, PostgreSQL, Python, Software Architecture, Web Development)

Necesito desarrollar el sitio web de mi óptica tomando como referencia el estilo y la navegación de Infinit por ejemplo: https://infinit.la/?utm_source=google&utm_medium=cpc&utm_campaign=InfArg_Google... (Budget: $30 - $250 USD, Jobs: CSS, Graphic Design, HTML, JavaScript, PHP, SEO, Web Development, Website Design, WooCommerce, WordPress)

I’m extending an in-house web application and need a React specialist who can work on-site in Hyderabad for the duration of the sprint. The core UI is already scaffolded; what’s missing is the feature layer and the API wiring... (Budget: ₹37500 - ₹75000 INR, Jobs: API Integration, Frontend Development, GraphQL, JavaScript, JSON, React.js, React.js Framework, RESTful, Typescript)

Looking react developer to design and development of a modern, responsive, and high-performance web application using React.js The work will involve UI development, API integration, and performance optimization... (Budget: $10 - $30 AUD, Jobs: API Development, Frontend Development, JavaScript, PHP, React Native, React.js, RESTful API, Web Application, Web Development, Website Design)

I’m looking for a dependable script or lightweight application that can collect sports betting odds from a web-based platform I have access to and export them into a structured Excel (XLSX) file. The... (Budget: €100 - €150 EUR, Jobs: Automation, Data Extraction, Data Processing, Excel, JavaScript, Python, Selenium, Software Architecture, Web Scraping)

I run a service-based website that already processes card payments, but I now want to add crypto support through the official NowPayments API. The sole purpose of this integration is to let customers pay one-time invoices for my services; I do not need recurring billing or donation flows... (Budget: $30 - $250 USD, Jobs: API Integration, Cryptocurrency, JavaScript, MySQL, Payment Gateway Integration, PHP, Web Development)

I’m putting together a single Google Sheet that our 10-person team can use daily to stay on top of every assignment. The sheet has to do more than just list tasks—it must actively help us manage the work... (Budget: ₹1500 - ₹12500 INR, Jobs: Automation, Data Visualization, Excel, Google Sheets, JavaScript, PHP, Project Management, Software Architecture)

Project: Swiss Services Marketplace Platform Tech Stack: ∙ Frontend: React 18, TypeScript, Vite, Tailwind CSS ∙ Backend: Supabase (PostgreSQL, Auth, Storage, Edge Functions) ∙ Deployment: Vercel (planned) Current Status: ~80% complete, built with Lovable (AI development tool) Scope of Work: 1... (Budget: $250 - $750 USD, Jobs: API Development, Backend Development, Database Management, Frontend Development, HTML, JavaScript, PHP, PostgreSQL, Tailwind CSS, Website Design)

1. OBJETO DA CONTRATAÇÃO Contratação de profissional qualificado para execução completa das otimizações técnicas remanescentes após a troca do tema, com o objetivo de: atender às métricas exigidas pelo... (Budget: $400 - $1000 USD, Jobs: CSS, Elementor, HTML5, JavaScript, Performance Tuning, SEO Auditing, Software Performance Testing, UX / User Experience, White Hat SEO, WordPress)

My offline product-selling app needs a dedicated admin panel focused on inventory control. Within the panel I have to be able to add new products, update existing items, and delete products quickly, all without touching the database directly... (Budget: ₹12500 - ₹37500 INR, Jobs: AngularJS, API Development, Database Management, Django, HTML, JavaScript, Laravel, MySQL, Node.js, Web Development)

Role: Full Stack Software Engineer (Frontend) Key Responsibilities • Develop, deploy, and maintain user interfaces using React (Native) and Typescript • Implement designs for web apps and embeddable... (Budget: ₹400 - ₹750 INR, Jobs: AngularJS, CI/CD, Full Stack Development, HTML, JavaScript, Python, REST API, Typescript)

I need a simple, reliable search form built directly inside Google Sheets that lets me type any number (or partial number) and have the matching rows appear instantly. The sheet will hold only numeric... (Budget: $10 - $30 USD, Jobs: Data Analysis, Data Management, Excel, Google Chrome, Google Sheets, JavaScript, PHP, Software Architecture)

I'm seeking an experienced backend developer to audit my existing Node.js backend. The audit should cover the following areas: - Security: Identify vulnerabilities and suggest improvements. - Performance: Analyze and recommend enhancements for speed and efficiency... (Budget: ₹600 - ₹1500 INR, Jobs: AngularJS, Backend Development, Documentation, JavaScript, Node.js, NoSQL Couch & Mongo, Security, Software Testing)