Javascript

I'm a Full-Stack Software Engineer specializing in ASP.NET Core, React, and SQL Server. I help startups and businesses build secure, scalable, and maintainable web applications. My expertise includes... (Budget: $250 - $750 USD, Jobs: .NET Core, ASP.NET, C# Programming, Git, GitHub, JavaScript, Microsoft SQL Server, PostgreSQL)

I need a full-stack M-Pesa payment solution wired into my existing website so customers in Kenya can pay seamlessly. The front end must trigger an STK Push, the back end has to talk to the Safaricom Daraja API, capture callbacks, validate each transaction, and update our database in real time... (Budget: $15 - $25 USD, Jobs: API Development, Full Stack Development, JavaScript, MySQL, Node.js, Payment Gateway Integration, PHP, Python)

I'm seeking an experienced web developer to improve the mobile version of my website. Currently, I'm facing functionality problems, specifically with navigation. The issues include: - Links not clickable... (Budget: $30 - $250 USD, Jobs: CSS, Debugging, HTML, JavaScript, Mobile Development, PHP, Web Development, Website Design)

I’m ready to have a full-featured web application built for my business that looks and works flawlessly on both desktop and mobile screens. The goal is a complete solution: responsive front-end, secure... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, API Integration, Backend Development, Frontend Development, HTML, JavaScript, PHP, Web Development)

I need a photo carousel for my website's home page. Requirements: - Automatic sliding - No navigation controls (arrows or dots) Ideal Skills and Experience: - Web development - Experience with photo... (Budget: $30 - $250 AUD, Jobs: Frontend Development, HTML, JavaScript, jQuery, PHP, Web Animation, Web Development, Website Design)

Hi I will share the details with the shortlisted candidates. thanks (Budget: $30 - $250 NZD, Jobs: Backend Development, CI/CD, CSS, Docker, Flask, Frontend Development, HTML, JavaScript, MySQL, Python)

We are seeking an experienced GenAI / LLM Application Engineer for a 4-month contract to build a Proof of Concept (PoC) and MVP for a specialized document intelligence and gap analysis AI agent in the healthcare/life sciences space.Preferably Hyderabad based... (Budget: ₹12500 - ₹37500 INR, Jobs: Java, JavaScript, LangChain, Large Language Model, Machine Learning (ML), Natural Language Processing, Prolog, Python)

My PWA was generated in an AI-Studio sandbox and then exported, but every component ended up bundled into one giant, minified file. Inside that file the usual React hooks were renamed to single-letter... (Budget: $30 - $250 AUD, Jobs: CSS, Debugging, Frontend Development, JavaScript, Software Development, Vite, Web Development, Webpack)

Professional TradingView Indicator Developer Needed (XAUUSD Only) Project Description I'm looking for an experienced TradingView Pine Script developer to build a professional, non-repainting trading indicator designed exclusively for XAUUSD (Gold)... (Budget: ₹1500 - ₹12500 INR, Jobs: Backtesting, Financial Markets, JavaScript, Market Analysis, Metatrader, PHP, Pine Script, Python, Risk Management, Signal Processing)

I’ve already built a connector app that lets merchants link their Shopify stores to my SaaS platform—data sync works perfectly. The road-block is the Billing API: every attempt to create a one-time charge... (Budget: ₹37500 - ₹75000 INR, Jobs: API Development, JavaScript, PHP, Shopify, Shopify Development, Software Architecture, Web Development, Web Services)

Conversion-Focused Frontend Developer We are a German digital agency looking for a reliable freelance developer for ongoing white-label website and landing-page projects. Our projects include local business... (Budget: €250 - €750 EUR, Jobs: CSS, Frontend Development, HTML, JavaScript, Next.js, PHP, Vercel, Vite, Web Design, Website Design)

I'm looking for a skilled web developer to create a polished static website to showcase my business. The site will primarily consist of three sections: About Us, Services, and Contact. I do have a basic brand/style guide to work from... (Budget: $30 - $250 USD, Jobs: Content Management System (CMS), HTML, Hugo, JavaScript, React.js, SEO, Vue.js Framework, Web Development, Website Design, Website Management)