
Milliรณk hasznรกljรกk a Freelancer oldalรกt รถtleteik megvalรณsรญtรกsรกra.
Vezetล mรกrkรกk รฉs indulรณ vรกllalkozรกsok bizalmรกt รฉlvezve

8,2
8,2
99%

Yamunanagar, India
$22 USD รณrรกnkรฉnt
๐ 500+ Successful Projects | 13+ Years Experience | 400+ Chrome Extensions Built ๐งโ๐ป Senior Full-Stack & SaaS Engineer Looking to build a scalable SaaS platform, full-stack web application, or automation-powered digital product? Youโre in the right place. I help startups and businesses build robust, scalable, and high-performance SaaS solutions. With 13+ years of experience and 500+ successful deliveries, I focus on quality, speed, and real business value. ๐ ๏ธ Services I Offer โก Full-stack SaaS development (MVP โ production-ready systems) ๐งฉ Custom web applications aligned with your business model โ๏ธ Cloud infrastructure & DevOps (AWS / GCP / Azure) ๐ค AI-powered automation, dashboards & data pipelines ๐ณ Stripe integration, authentication systems, CRM dashboards ๐ Browser Extensions (Chrome, Firefox, Edge, Brave) โ 400+ built ๐ผ Tech Stack & Specialties Frontend: React, Vue, Angular, JavaScript, TypeScript, Tailwind Backend: Node.js, Express, Django, Flask, Laravel, PHP Mobile: React Native, Flutter, Native Android & iOS Databases: MongoDB, PostgreSQL, MySQL, Firebase, Elasticsearch Cloud/DevOps: AWS, GCP, Azure, Docker, Kubernetes Automation & AI: TensorFlow, PyTorch, Zapier, Slack Bots, AI Agents ๐ Why Clients Choose Me ๐ End-to-End Development: Concept โ Architecture โ Deployment ๐ SaaS-Focused Approach: Built with scalability & performance in mind ๐ฃ๏ธ Reliable Communication: Clear updates & proactive problem-solving ๐ค Long-Term Support: Growth-driven partnerships, not one-off delivery ๐ง Versatile Expertise: SaaS, automation, cloud infra & 400+ extensions ๐ฉ Letโs Work Together If youโre looking for a reliable partner to build your SaaS platform, full-stack app, or custom automation system, Iโd love to help. ๐ Send me a messageโand letโs turn your idea into a scalable digital solution.

8,4
8,4
97%

Peshawar, Pakistan
$45 USD รณrรกnkรฉnt
About Me Welcome to my Freelancer.com profile! I specialize in e-commerce automation, Custom ERP integration offering top-tier services across various platforms including Amazon, eBay, Shopify, Prestashop, 3dCart, WooCommerce, CRM/ERP integration, and custom applications. My goal is to streamline your business operations, enhancing efficiency and productivity. Skills and Expertise - โ **Amazon Web Services** - SP-API / Seller Partner API Integration - Developer Profile Approval including Incident Response and Management Plan - Amazon Product Listings, Ad campaign and SEO. - Amazon BOOKs KDP formatting and uploading. - โ **eBay Web Services** - EBay API Integration - Token Issues Resolution - TLS 1.2 Compliance - New Application Development - โ **Magento** - Custom Module Development - Performance Optimization - Multi-store Management - โ **Prestashop** - Theme Customization - Module Development - Store Migration - โ **Shopify** - Bulk Product Updates - Custom App Development - Store Setup and Optimization - โ **Sears** - Marketplace Integration - Inventory Management - โ **Zencart** - Plugin Development - Store Customization - โ **Cross-Channel Integration** - Synchronization Between eBay, Amazon, and Magento - Unified Inventory Management - Centralized Order Processing - โ **WooCommerce** - Store Setup and Customization - Plugin Development - Integration with Payment Gateways - โ **CRM/ERP Integration** - Salesforce, Zoho, and HubSpot Integration - Custom CRM/ERP Solutions Why Hire Me? - โ **Customer-Centric Approach** - My clients are my top priority, and I am dedicated to exceeding their expectations with every project. - โ **Collaborative and Friendly** - I work not just as an employee but as a partner and friend, ensuring your project's success is our mutual goal. - โ **Uncompromising Quality** - I deliver high-quality work, even if it means going the extra mile and investing additional time. - โ **Post-Project Support** - My commitment doesn't end with project completion. I provide ongoing support and am always available to address your concerns. - โ **Competitive Pricing** - I offer affordable services without compromising on quality, striking the perfect balance to fit your budget. Let's Work Together If you're looking for a reliable, skilled, and dedicated professional to take your e-commerce business to the next level, let's connect! I am excited to collaborate with you and turn your vision into reality. Feel free to reach out for a detailed discussion about your project needs.

7,3
7,3
100%

Truseni, Moldova, Republic of
$25 USD รณrรกnkรฉnt
Over several years I have accumulated many skills by taking seriously every of my projects, learning and combining new technologies with those already known. You can view all my Certifications, Top Skills, Jobs Completed, Recommendations, On Time and Repeat Hire Rate which should tell you better who I am! Engineers and developers are always in the process of learning new things, and only many years of experience can form an enormous body of knowledge. I have many years of freelance experience working for employers around the world. I can build almost anything that you can financially afford: - website and web server application - desktop software - mobile application - browser addons - automation, scraping, crawling or anything that you need to automate - data sience - data mining - internet marketing - digital design So, let me know what do you need ... and don't worry about time and money, because I'm looking for long term partnership and I build trust and confidence in every project I take!

9,4
9,4
98%

Karachi, Pakistan
$20 USD รณrรกnkรฉnt
At Digital Arcanum, we donโt just deliver services โ we build complete digital growth systems. With over a decade of experience, weโve worked with global brands and multi-million to multi-billion dollar companies, helping them scale through strategy, technology, and performance marketing. Every project is personal. We go beyond templates and generic execution to create high-performance digital ecosystems that drive traffic, engagement, and conversions. Strategy First โ The Real Game Changer We donโt believe in random posting or design. Every action is backed by data, intent, and business goals. From first impression to final conversion, everything is connected. If your brand is posting but not growing or your website isnโt converting โ you donโt need more content, you need the right system. ๐๐Social Media & Performance Marketing We are social media growth specialists, not just managers. We build and scale brands across: Instagram, Facebook, TikTok, and YouTube Our services include: Social media strategy & content systems High-quality design (Adobe Photoshop & Illustrator) Reels & video editing (Adobe Premiere) AI-powered content (ChatGPT, Claude) Copywriting & engagement optimization Meta Ads & Google Ads (conversion-focused) Retargeting & scaling strategies Goal: Turn attention into revenue ๐๐Website Development & Automation We build fast, scalable, SEO-optimized platforms: ๐WordPress, Shopify, Webflow, Wix, Squarespace ๐GoHighLevel (GHL) funnels, landing pages, CRM ๐Full-stack solutions & API integrations ๐Automation using n8n & CRM workflows ๐SEO & Branding We drive long-term growth through: Keyword research & technical SEO Content strategy & optimization eCommerce SEO We also create premium brand identities: ๐Logo design & corporate identity ๐Marketing collaterals, packaging, pitch decks ๐UI/UX for websites & mobile apps Why Digital Arcanum ๐1000+ successful projects ๐Experience with global brands ๐Strategy-first approach ๐Strong focus on ROI ๐Built-in quality checks ๐24/7 operations Final Thought Most agencies deliver services. We build systems that scale businesses. Digital Arcanum โ Where Strategy Meets Growth

8,0
8,0
100%

Surat, India
$25 USD รณrรกnkรฉnt
โค๏ธ Group Design is a proficient Web designing and Web development Company based in Surat (Gujarat), the Diamond City of India. We offer an extensive range of services to reach your targeted spectators and carve up your valuable information focusing on retaining your customers. At Group Design, we've created exceptional digital experiences for over 9+ years. Our team of expert designers and developers is passionate about crafting custom websites that not only look great but also drive business growth. We combine creativity and technology to build intuitive, user-friendly interfaces that engage and delight users. From startups to established enterprises, we've worked with clients of all sizes across a wide range of industries. Our commitment to excellence and attention to detail has earned us a reputation for delivering exceptional results. Let us bring our 8+ years of expertise to your next project and help you achieve your digital goals. โค๏ธ Coding : โ๏ธ Email Template for Mailchimp, Campaign Monitor โ๏ธ Email Signature for Gmail/Outlook/iOS โ๏ธ PSD/AI/Figma/Sketch/PNG/PDF/JPG to HTML5, Bootstrap, Tailwind, Mobile Responsive โ๏ธ PHP Development โ๏ธ WordPress Development โ๏ธ Shopify, Shopify 2.0 Development โค๏ธ Designing โ๏ธ UI/UX for Web and Mobile applications using Figma, Adobe Xd, Adobe Photoshop โ๏ธ Logo Designing โ๏ธ Business Cards โ๏ธ Brochures โ๏ธ Product Catalogs โ๏ธ Flyer/Poster design โ๏ธ Folder design โ๏ธ T-shirt design โ๏ธ Label design โ๏ธ Package design โ๏ธ Social Banner โค๏ธ 100% Customer Satisfaction. โญโญโญโญโญ โ๏ธ Contact us today to learn more about how we can bring our 7+ years of experience to your next project. โค๏ธ Please Feel Free to Hire us โญโญโญโญโญ

9,2
9,2
99%

Lahore, Pakistan
$25 USD รณrรกnkรฉnt
Welcome to Proximate Solutions, your trusted partner on Freelancer.com for achieving your digital goals. Our team is highly proficient in web design, e-commerce, app development, digital marketing, and web development, and we can help your company or brand compete in the modern digital marketplace. โ Why Choose Usโ โ Expertise and Innovation: Our expertise lies in translating your ideas into VR experiences and turning concepts into innovative digital masterpieces. Our years of experience in AWS, WordPress Custom Themes, Modification of Existing Themes, and Custom Plug-in Coding ensure your brand reaches new heights. โ Validated Success: Our stellar projects are a testament to our creativity and functionality. With over 900 successful projects under our belt, we excel in WordPress landing pages, website redesign, custom web design for WordPress, WordPress themes, WordPress customization, WordPress e-commerce, PSD to WordPress, WordPress website development, e-commerce website development, WordPress migration, and WordPress multisite. โ Our Servicesโ โฆ WordPress theme with Elementor builder โฆ WordPress ACF Custom Fields โฆ WordPress website speed optimization โฆ WordPress theme with Gutenberg blocks โฆ WordPress assistant using Elementor โฆ WordPress installation and setup โฆ WordPress bug fixes โฆ Theme customization โฆ Convert HTML/PHP to WordPress โฆ Transfer the website to WordPress. โฆ E-Commerce Website โฆ Build a responsive WordPress website. โฆ PSD to WordPress theme conversion โฆ Converting Figma to a WordPress theme โฆ Backup and Restore โฆ Web development with the use of CMS โฆ WordPress using Elementor โฆ Redesigning the website on WordPress โฆ Responsive Wordpress design โฆ Wordpress HTML work โฆ Yoast SEO on WordPress โฆ Solve WooCommerece setup issues โฆ Ensure the security of your WordPress site. โฆ Transfer websites to WordPress. โฆ Customized theme development โฆ seamless plugins on WordPress โฆ SEO and page speed optimization โฆ Page speed optimization โฆ Optimize CSS and JS โฆ Site Optimization โฆ Minify slow page load โฆ Site speed optimization โฆ Optimize and increase the speed of the WordPress website. โฆ Speed Optimization in Google PageSpeed Insight โ Commitment to Excellenceโ An integral part of Proximate Solutions' customer service is open and honest communication with our clients. Offering round-the-clock support and responding within an hour are pillars of our commitment to customer satisfaction. Our mission is to ensure our designs and solutions perfectly align with your vision until we achieve the "proximate solution." โ Elevate Your Brandโ Our broad portfolio of services has been shown to improve your SEO rankings, increase sales, and boost productivity. With a vision to turn your digital dreams into reality, we guarantee designs that reflect your creativity and goals. Partner with Proximate Solutions today and let us help you reach new digital heights. Your success is our priority!
8,1
8,1
99%

Lucknow, India
$10 USD รณrรกnkรฉnt
? Full-Time Developer | Immediate Assistance | Web & App Expert Looking for a skilled and reliable developer who can jump into your project right away? Iโm a full-time freelance developer with expertise in [mention your top skills: e.g., React, Node.js, WordPress, Python, AI, etc.], delivering fast, high-quality, and scalable solutions for businesses worldwide. ? Why Choose Me? โ Immediate Availability โ Need urgent fixes or a full project done ASAP? Iโm ready to help. โ Expert in Web & App Development โ From frontend (React, Vue, HTML/CSS) to backend (Node.js, PHP, Python). โ E-Commerce & CMS Specialist โ Shopify, WordPress, WooCommerce, and custom solutions. โ Bug Fixing & Performance Optimization โ Speed up, debug, and enhance your website or application. โ Fast Turnaround & 100% Satisfaction โ I work with efficiency and clear communication. ? Services I Offer: Full-Stack Web Development (MERN, MEAN, LAMP) Custom Website & Web App Development WordPress, Shopify, WooCommerce Setup & Customization API Development & Integration Bug Fixes, Debugging, & Performance Optimization AI & Automation Solutions (Python, AI Tools) ? Letโs discuss your project! Iโm available 24/7 to bring your ideas to life. Hire me now and get top-notch development services!

9,5
9,5
96%

indore, India
$10 USD รณrรกnkรฉnt
โก Welcome to Votive Technologies Your trusted partner for high-quality Web Development and Mobile App Development solutions. โกWho We Are Votive Technologies is driven by a team of technology experts based in India and across the globe. We specialize in Web Development and Mobile App Development, delivering high-quality, scalable, and user-friendly digital solutions tailored to your business needs. Our core team of developers and designers ensures seamless execution of new projects, while our business analysts assist clients in understanding and finalizing their requirements. At Votive, we believe in collaborating closely with clients, making them feel as though they are working with their dedicated virtual team. โกWhy Choose Us? โ Experienced Team โ Skilled developers with expertise in modern frameworks & technologies โ Client-Centric Approach โ We prioritize your vision and deliver solutions that drive results โ Quality Assurance โ Rigorous testing to ensure bug-free, high-performance applications โ Timely Delivery โ Efficient project management to meet deadlines without compromising quality โ Affordable & Transparent Pricing โ Competitive rates with no hidden costs --- โก Our Services โก๏ธ Custom Website Development โ WordPress, React, Next.js, Node.js, PHP, Laravel, Python โก๏ธ Mobile App Development โ iOS & Android apps using React Native & Flutter โก๏ธ E-commerce Solutions โ Shopify, WooCommerce, Custom Stores โก๏ธ Marketplace Development โ Service-based & product-based platforms โก๏ธ UI/UX Design โ User-friendly, intuitive interfaces for better engagement โก๏ธ API & Payment Gateway Integration โ Stripe, PayPal, Razorpay, TWINT, and more โก๏ธ SaaS & Web Apps โ Scalable cloud-based solutions for businesses โก๏ธ Maintenance & Support โ Post-launch updates, bug fixes, and performance optimization โก Industries We Serve โ๏ธ (Healthcare) | โ๏ธ (Corporate) | โ๏ธ (E-commerce) |โ๏ธ (Real Estate) | โ๏ธ (Education) | โ๏ธ (Startups) | โ๏ธ (Travel portals) | โ๏ธ (Figma designs) โก Letโs Discuss Your Project! We are passionate about bringing your ideas to life. Contact us today and letโs build something amazing together!
7,9
7,9
98%

Islamabad, Pakistan
$50 USD รณrรกnkรฉnt
* I have expertise in the areas of WEB SCRAPING, WEB AUTOMATION & DATA COLLECTION. * I am comfortable in using PYTHON, PHP, C#, VBA for making custom WEB BOTS for DATA SCRAPING projects. * During the course of my work on freelancer, I have maintained 5 * reviews after completing over 470 projects. * My Services: Web Scraping Data Mining/Extraction Web/Browser Automation Python Programming C# Programming VBA/Excel Programming
A Firefox Developer is a software engineer who builds, customizes, and maintains extensions, themes, and web applications optimized for Mozilla Firefox using WebExtensions APIs, JavaScript, HTML, and CSS. These specialists create browser add-ons, debug rendering issues specific to Gecko, and ensure cross-browser compatibility for sites that need to perform reliably on Firefox alongside other engines.
Hiring a Firefox developer gives your business access to engineering talent fluent in Mozilla's browser ecosystem. They handle everything from publishing add-ons on Mozilla Add-ons (AMO) to fixing CSS quirks rendered differently by the Gecko engine. Their work directly affects user retention, conversion, and the credibility of any product that depends on a polished Firefox experience.
Common deliverables include Firefox extensions packaged as signed XPI files, custom Firefox themes, content scripts, background service workers, and Progressive Web Apps tested for Firefox compatibility. A Firefox extension developer also writes manifest.json configurations, handles permissions, and submits builds for Mozilla review.
A capable Firefox developer is fluent with the WebExtensions API, the web-ext command-line tool for building and linting add-ons, and Firefox Developer Tools for debugging. They work confidently with JavaScript (ES6+), TypeScript, HTML5, CSS3, and build tools like Webpack, Rollup, or Vite. Familiarity with Mozilla's add-on policies, AMO submission workflows, and source code review requirements is essential.
Adjacent expertise often includes React, Vue, or Svelte for extension UI, IndexedDB for local storage, Node.js for native messaging hosts, and Git for version control. Strong candidates also know how to use about:debugging, the Browser Toolbox, and Firefox Profiler for diagnosing performance bottlenecks.
Firefox developers serve a wide range of clients. SaaS companies hire them to ship browser extensions that integrate their platforms into users' workflows. Cybersecurity and privacy firms commission content blockers, anti-tracking tools, and password vaults. Media and publishing companies engage Firefox specialists to fix rendering issues on news sites, ad units, and video players.
Other common use cases include e-commerce price-tracking add-ons, productivity tools for remote teams, accessibility enhancements, educational extensions, and enterprise tools deployed via Firefox ESR for managed environments. Web agencies also bring on Firefox developers when client sites underperform on Gecko while working fine on Chromium.
Look for engineers with published add-ons on AMO, GitHub repositories containing WebExtensions projects, and demonstrable JavaScript depth. Strong candidates will explain manifest v2 to v3 migration trade-offs, the differences between Firefox and Chromium extension APIs, and how to handle async messaging between content scripts and background workers.
Portfolio markers worth weighing include the number of active users on their published extensions, average ratings on AMO, the complexity of the permissions they have implemented responsibly, and contributions to open-source Mozilla projects. Ask for live extension links, not just screenshots.
Sample interview questions you can use:
Freelancer.com connects you with a global community of vetted Firefox developers, WebExtensions specialists, and full-stack JavaScript engineers across every time zone. You can review portfolios, AMO publication histories, client reviews, and verified credentials before you commit. Clients on Freelancer.com set their own budgets and receive competitive bids, so you can compare proposals on quality, approach, and price simultaneously. Whether you need a one-off extension built or ongoing maintenance for a published add-on, the scale of talent available on Freelancer.com means you can fill the role quickly without sacrificing technical depth.
Hiring the right Firefox developer starts with a clear brief that describes the extension, theme, or compatibility work you need. The clearer your scope and technical requirements, the better the bids you will receive. Below is a three-step process to take you from idea to awarded project.
The quality of your project post directly determines the quality of bids you attract. A precise brief filters out generic web developers and surfaces engineers who genuinely understand WebExtensions, AMO submission, and Gecko-specific behavior. Head to the
Bids are short proposals, not just price quotes. They reveal how each developer interprets your brief, what their proposed architecture looks like, and how realistic their timeline is. Read every shortlisted proposal carefully and look for engineers who raise the right technical questions before quoting.
Final selection should combine proposal quality with profile evidence. Look at the depth and consistency of each candidate's portfolio, not just one impressive sample. For Firefox work, published add-ons with active users and positive AMO reviews are the strongest signals.
A simple single-purpose extension can be built and submitted to AMO within one to two weeks, while complex extensions involving native messaging, multiple content scripts, or backend integrations typically take four to eight weeks. Mozilla's review process adds additional time depending on the permissions requested.
Yes. Many clients hire Firefox developers on Freelancer.com for fixed-scope work like porting an existing Chrome extension, fixing a specific Gecko rendering bug, or publishing a new add-on to AMO. Freelancer.com supports both fixed-price and hourly engagements.
A general web developer builds websites and web apps for any browser, while a Firefox developer specializes in the WebExtensions API, Gecko engine quirks, and Mozilla's add-on ecosystem. If your project involves a browser extension, theme, or Firefox-specific compatibility work, a specialist will deliver faster and avoid common review rejections.
If you need the same extension on Firefox, Chrome, and Edge, hire a developer experienced with cross-browser WebExtensions work. They will use a shared codebase with platform-specific manifests so you do not maintain three separate projects.
Yes. All extensions submitted to addons.mozilla.org go through automated and, in many cases, manual review. An experienced Firefox developer will write code and request permissions in a way that minimizes review delays and the risk of rejection.

Freelancer Enterprise
Aknรกzza ki a 89 milliรณs munkaerลbรกzisunkat, รฉs segรญtse mรฉg tรถbb eredmรฉnyhez vรกllalkozรกsรกt!

Freelancer API
Miรฉrt alkalmazna kรถzvetlenรผl, ha lehetลsรฉge van egyszerลฑen beรฉpรญteni tehetsรฉges munkaerลnket felhลalapรบ megoldรกsunkon keresztรผl?
Adjon ki egy projektet mรฉg ma, รฉs kapjon รกrajรกnlatokat tehetsรฉges szabadรบszรณktรณl
Merรญtsen ihletet Firefox projektjeinkbลl

Weboldaltervezรฉs.
$540 USD รถsszegรฉrt 7 nap alatt.

Alkalmazรกstervezรฉs.
$100 USD รถsszegรฉrt 1 nap alatt.

Weboldal.
$430 USD รถsszegรฉrt 1 nap alatt.

Weboldaltervezรฉs.
$140 USD รถsszegรฉrt 13 nap alatt.

Alkalmazรกstervezรฉs.
$200 USD รถsszegรฉrt 19 nap alatt.

Weboldal.
$150 USD รถsszegรฉrt 13 nap alatt.

Weboldal.
$240 USD รถsszegรฉrt 1 nap alatt.

Weboldal.
$100 USD รถsszegรฉrt 1 nap alatt.
Kisvรกllalkozรกsoktรณl az รณriรกscรฉgekig, vรกllalkozรณktรณl a startupokig milliรณk hasznรกljรกk a Freelancert รถtleteik megvalรณsรญtรกsรกra.
89.0 M
89.0 M
Regisztrรกlt felhasznรกlรณk
25.7 M
25.7 M
Kiadott munka รถsszesen