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Freelancer API Developers online
Ingen förskottskostnad · betala bara när du är nöjd med arbetet

9,2
9,2
100%

BANGKOK, Thailand
$130 USD i timmen
Hi, I’m Marjan, Website & Software Developer with 16 years of experience and 4,400+ successful projects delivered worldwide. I help businesses build fast, secure, professional and conversion-focused websites, eCommerce stores, custom web applications, booking systems, dashboards and scalable digital platforms. My expertise includes: • WordPress, Elementor & Custom Theme/Plugin Development • Shopify Store Design, Setup & Customization • Full-Stack Web Development • SaaS, MVP & Custom Web Application Development • Booking Funnels, Lead Generation Forms & Dashboards • PHP, JavaScript, HTML, CSS & API Integrations • Wix, Webflow & Business Website Development • Technical SEO, Speed Optimization & Website Maintenance What you can expect when working with me: • Clear and professional communication • Clean, maintainable and scalable work • Careful attention to detail • On-time delivery and long-term support Whether you need a business website, Shopify store, WordPress development, custom platform, SaaS MVP, booking funnel or ongoing website support, I can help you plan, build and launch it properly. Let’s discuss your project and create something that works for your business.

9,5
9,5
99%

Kolkata, India
$20 USD i timmen
Fourtunedesign is a web & graphic design company. Top Rated by Preferred Freelancer Team.We are specialized in various platforms and working on different fields such as: - Logo Design - UI/UX Design - FIGMA - Website Design & Development - Print Media. - Branding - Illustration - Icon Design - Poster Design - Digital Painting - Banner Design - Leaflets - Letterheads - Flyer Design - Business Cards - Brochure Design - T-shirt Design Our specialization is customized logo and web designing so we provide 100% original work.. I can deliver quality notes to tight deadlines.We believe in 100% customer satisfactory work, so our designing packages have flexible pricing and unlimited revision until your satisfaction.

10,0
10,0
97%

Surat, India
$15 USD i timmen
⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted by Fortune companies like CGI, L&T, Infosys, Biocon, and TVSNext. We don't just build software, we build lasting partnerships. Our approach is simple: understand your vision, deliver beyond expectations, and stay with you every step of the way. ✎ Why Choose Us? ➬ 20+ Years of Industry Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successfully Delivered Projects ➬ 95% Client Retention Ratio ➬ 4.9 ⭐ Clutch Rating ➬ 100% Project Success Ratio ➬ Clutch Top 1000 Companies Global 2022 ➬ Best Outsourcing Company - SGCCI ✎ Our Services ➬ Custom Web & Mobile App Development ➬ Custom Enterprise Software Development ➬ AI/ML & Data Analytics Solutions ➬ QA & Software Testing (Automation, Security, Performance) ➬ DevOps, Cloud Migration & Managed Services ➬ Salesforce Consulting, Implementation & Support ➬ Staff Augmentation - Dedicated Teams or Individual Developers ➬ Support & Maintenance ✎ Tech Stack ➬ Frontend: ReactJS, AngularJS, VueJS, NextJS, NuxtJS ➬ Backend: Node.js, Java, PHP, Laravel, .NET, Python, Django, WordPress ➬ Mobile: Flutter, React Native, iOS (Swift), Android (Java/Kotlin) ➬ Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform ➬ Database: MySQL, MongoDB, PostgreSQL, Firebase, MS-SQL ➬ Other: Salesforce, MS Dynamics 365, Power Platform, Big Data, AI/ML, Automation ✎ Industries We Serve ● Fintech ● Healthcare ● Retail & Ecommerce ● Education ● Real Estate ● Media & Entertainment ●Transport & Logistics ✎ Our Strengths ➬ Agile Development Methodology ➬ Daily & Weekly Progress Reports ➬ Clear Communication & Collaboration ➬ 100% Plagiarism-Free & Secure Delivery ➬ Guaranteed Data Privacy & NDA Protection ➬ Flexible Engagement Models: ● Fixed Cost ● Time & Material (Hourly) ● Dedicated Team ● Hybrid Model (Fixed + Hourly) ✎ Our Promise "You will get the value of every penny you spend. We are committed to driving your business forward with reliable, quality solutions powered by technology and innovation." - Ashish Narola, CEO

9,4
9,4
98%

Karachi, Pakistan
$20 USD i timmen
At Digital Arcanum, we don’t just deliver services — we build complete digital growth systems. With over a decade of experience, we’ve 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 — The Real Game Changer We don’t 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 isn’t converting — you don’t need more content, you need the right system. 👉👉Social 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 👉👉Website Development & Automation We build fast, scalable, SEO-optimized platforms: 👉WordPress, Shopify, Webflow, Wix, Squarespace 👉GoHighLevel (GHL) funnels, landing pages, CRM 👉Full-stack solutions & API integrations 👉Automation using n8n & CRM workflows 👉SEO & Branding We drive long-term growth through: Keyword research & technical SEO Content strategy & optimization eCommerce SEO We also create premium brand identities: 👉Logo design & corporate identity 👉Marketing collaterals, packaging, pitch decks 👉UI/UX for websites & mobile apps Why Digital Arcanum 👉1000+ successful projects 👉Experience with global brands 👉Strategy-first approach 👉Strong focus on ROI 👉Built-in quality checks 👉24/7 operations Final Thought Most agencies deliver services. We build systems that scale businesses. Digital Arcanum — Where Strategy Meets Growth

10,0
10,0
99%

Surat, India
$21 USD i timmen
Smartinfosys is a leading website development, corporate branding and SEO company that has been on the scene since 2001. Starting with a small set-up, we have gradually consolidated our resources and today have 150+ full-time team members working for you in Five Development Centers in India. We fit in with your aspirations and works with the sole objective of empowering you and your business by providing state-of-the-art website design & development services, android & iOS apps design & development, corporate branding services, graphic design, and SEO services. Our services are: Website Design & Development Android & iPhone Apps Custom PHP Application Development Regular Website Maintenance Ecommerce Website Development CMS Website Development WordPress Websites API Integration, LLM API,REST API PHP Open Scripts Customization SEO,Node.js Audit AWS Corporate Branding / Graphic Design / Print Design Logo/ Van-Truck Wrap design / Tradeshow displays/ Flyers/Brochures/Book Covers/ PPT Presentation Social Media Marketing / Digital Marketing Blog ,Article writing We have featured in international publications such as Techgoss, 1mby1m and The Economic Times for our contribution to the web industry.

10,0
10,0
98%

Puttalam, Sri Lanka
$20 USD i timmen
If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building future-ready systems that combine clean architecture, performance, and business impact. Our technical expertise spans PHP, Node.js, Angular, Flutter, React, React Native, C#, VB.NET, and leading platforms such as WordPress, WooCommerce, Magento, and PrestaShop, supported by enterprise-grade databases including MySQL, PostgreSQL, Oracle, and SQL Server. Beyond development, we help businesses scale through AI-driven innovation and automation, including: - AI chatbots, voice agents, and virtual assistants - Workflow and process automation using Make (Integromat), n8n, and custom solutions - AI-powered data processing, content generation, and decision support - CRM, marketing, and operations automation to reduce costs and increase efficiency We have strong expertise in API-based integrations and ecosystem automation, connecting platforms such as Amazon, eBay, Shopify, Walmart, Lazada, Wish, and logistics providers including USPS, UPS, FedEx, and DHL, enabling seamless commerce and fulfillment workflows. Our focus is not just on delivery, but on measurable outcomes, speed, reliability, scalability, and long-term value. We thrive on complex challenges and continuously adopt the latest AI and automation trends to keep our clients ahead of the curve. Review our portfolio below and let our work demonstrate the standard we uphold. We are committed to delivering solutions that are intelligent, efficient, and built for growth.

9,1
9,1
100%

Karachi, Pakistan
$30 USD i timmen
👋 𝗚𝗿𝗲𝗲𝘁𝗶𝗻𝗴𝘀! Since starting my freelance journey in 2019, I’ve been focused on building scalable, high-performance digital solutions that go beyond just websites—helping businesses automate, grow, and operate efficiently. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 🖥️ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 & 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: I build fast, dynamic, and scalable web applications using React JS, delivering smooth user experiences with modern UI systems and performance-focused architecture. ⚙️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗦𝘆𝘀𝘁𝗲𝗺𝘀: I develop robust backend solutions using Node.js, Python, WordPress, WooCommerce, custom PHP, and Laravel—building secure, scalable systems tailored to real-world business needs and integrations. 🤖 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻, 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗔𝗜: This is where I bring the most value—helping businesses streamline operations and reduce manual work: 📲 WhatsApp Automation & Cloud API integrations 💳 Stripe payment systems (subscriptions, custom flows) 🧠 AI Chatbots (GPT-based & custom logic using Python/Node) 🔥 Real-time apps using Firebase 🧩 CRM development & business system design 🔄 Workflow automation with n8n & Make.com 🔗 Advanced API integrations (including Salesforce) 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝘀: Cross-platform mobile app development using React Native with focus on performance and usability. I don’t just build features—I create systems that save time, automate workflows, and scale businesses. Let’s turn your idea into a powerful, automated digital product.

8,7
8,7
95%

Panchkula, India
$15 USD i timmen
⭐ Profile Rating: 4.9 Out of 5 📊 Percentage of jobs completed: 95% 🏆 Successfully delivered jobs: 600+ 12+ years of experience in the domain of information technology, having expertise in web design, development, and digital marketing (SEO, PPC, Social Media Marketing & Online Reputation Management). I worked for a number of organizations from new to well-established ones around the world. My goal is to understand business goals and develop a customized strategy that meets your specific needs regardless of size or industry. ........................................................................ Web Skills: PHP, HTML, HTML5, CSS, CSS3, JavaScript, jQuery, Ajax, React, Node.js, Angular.js, Adobe Photoshop WordPress, WooCommerce, Shopify, Code Igniter, Laravel, Magento, Joomla, BigCommerce, Wix, Yii, Zend Framework, API Development, Payment Gateway Integration, E-Commerce Website Development, WordPress Plugin Development Digital Marketing Skills: - SEO (Search Engine Optimization Both On-Page and Off-Page) - Social Media Optimization and Marketing - Lead Generation Campaign - Amazon, Walmart, eBay, Mobile App Store SEO and Optimization - Pay Per Click/Paid Marketing (Google, Facebook, Amazon, Walmart, eBay) - Set up conversion tracking for Google Ads - Set up and Install the Meta pixel - Set up Google Analytics 4 - Set up Google search console - Looker Studio custom reports - YouTube Video Optimization and Marketing - Market research and business plan - Link Building - Google Ads Campaigns Setup, Optimization, and Management (PPC Advertising) - Google Shopping/Merchant Setup, Optimization and Marketing - Online Reputation Management - Conversion Rate Optimization (CRO) - Data Analytics - Local Citation/Business Listings - Amazon Listing Optimization & PPC Ads Campaign: Product Title, Bullet Points, Products Descriptions | A+ Content/EBC Design | PPC Campaigns | Custom Infographics, Lifestyle images, Product Images & Videos. I’m backed with a team of 50+ dedicated certified experts.

8,5
8,5
99%

Peshawar, Pakistan
$30 USD i timmen
Hi, I’m Muhammad Asad, a 𝗣𝗵𝗗 𝗶𝗻 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 with 12+ years of experience in AI software development, automation, and research( 𝟮𝟬+ 𝗣𝘂𝗯𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 ). ✅𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝟲𝟬𝟬+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗮𝗰𝗿𝗼𝘀𝘀 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 ♛ 𝗔𝗜 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 AI Automation • Business Process Automation • AI Chatbots • LLM Applications • RAG Pipelines • AI Assistants • Text-to-SQL • API Integrations • WordPress & E-commerce Automation • Custom AI Systems ♛ 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵 & 𝗔𝗜/𝗠𝗟 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 Machine Learning • Deep Learning • Data Science • Predictive Modeling • Data Analysis • Feature Engineering • Feature Selection • Meta-Learning • AutoML • Computer Vision • Image Classification • Image Segmentation • Object Detection • Multimodal AI • Vision-Language Models (VLMs) • NLP • Generative AI • Text-to-Image Models • Healthcare AI • Federated Learning • Edge AI • TinyML • Embedded AI • LLM Fine-Tuning • Prompt Engineering • GPT-4 • Claude • Gemini • LLM Evaluation • Hallucination Detection • Groundedness • Faithfulness • Edge Case Handling • LLM Guardrails ♛ 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 Data Science • ETL • Web Scraping • APIs • Data Cleaning • EDA • MLOps • Docker • Kubernetes • CI/CD • AWS • GCP (Vertex AI, BigQuery) • FastAPI • Flask • Django • Node.js • React • TypeScript ♛ 𝗔𝗰𝗮𝗱𝗲𝗺𝗶𝗰 & 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵 𝗪𝗿𝗶𝘁𝗶𝗻𝗴 IEEE • Springer • Elsevier • ACM • Research Papers • Literature Review • SLR • Research Proposals • Grant Writing • Thesis Writing • Dissertation • Proofreading • Turnitin • APA • MLA • Harvard • IEEE Formatting ♛𝗢𝘁𝗵𝗲𝗿 𝗦𝗸𝗶𝗹𝗹𝘀 Computer Engineering • Software Engineering • Databases • System Design • Networking • Cloud Computing • Big Data • Data Analytics • Statistical Analysis • Mathematics •Web Development • Software Testing •Embedded Systems •Business & Finance • Project Management • E-commerce •Resume Writing •Bioinformatics • Freelancing • Trading • Crypto • Binance ♛ 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 ✔ 20+ Research Publications ✔ 600+ Completed Projects ✔ End-to-End AI System Development ✔ Production-Ready Solutions ✔ Clear Communication & Long-Term Collaboration I combine research-level expertise with real-world engineering to deliver AI solutions that actually work in production. ✉️ Message me to get started or schedule a 𝙛𝙧𝙚𝙚 30-𝙢𝙞𝙣𝙪𝙩𝙚 𝙘𝙤𝙣𝙨𝙪𝙡𝙩𝙖𝙩𝙞𝙤𝙣 ✅
A Freelancer API developer is a software engineer who integrates the Freelancer.com API into external applications, automating project posting, bid management, messaging, and account workflows through REST endpoints and OAuth authentication. Hiring a Freelancer API developer lets businesses programmatically connect their internal systems, dashboards, and tools to the Freelancer.com platform without manual intervention.
A skilled Freelancer API developer builds the connective tissue between your software stack and the Freelancer.com platform. They translate business requirements into authenticated API calls, handle pagination and rate limits, and surface marketplace data inside the tools your team already uses. The commercial value is direct: faster project intake, automated talent sourcing, real-time bid tracking, and reporting pipelines that would otherwise require hours of manual work.
Whether you are building a recruitment dashboard, a vendor management system, or a custom client portal, the right API developer will ship reliable code, document endpoints clearly, and design integrations that scale with your project volume.
Freelancer API integration projects vary in scope, but the deliverables a freelance API developer typically produces include:
Freelancer API developers typically work across modern backend stacks. Look for proficiency in the technologies most relevant to your environment:
The official Freelancer.com API offers endpoints for projects, bids, contests, users, messages, and milestones. A competent developer reads the documentation, respects rate limits, and writes code that handles paginated responses and edge cases gracefully.
Freelancer API integration work is in demand across several industries and team types:
Strong candidates have a verifiable history of REST API integration work and can show production code, not just demos. Look for these signals:
Sample interview questions you can use directly:
Freelancer.com hosts a global community of API developers, backend engineers, and integration specialists with verified profiles and project histories. You can compare bids from developers in multiple time zones, review portfolios of past API work, and see ratings from clients who hired them for similar integrations. Clients set their own budgets and receive competitive bids, with Milestone Payments holding funds in escrow until deliverables are accepted. The scale of freelancers on Freelancer.com means you can move from brief to shortlist in hours rather than weeks.
Ready to connect your systems to the Freelancer.com marketplace?
Hiring a Freelancer API developer follows a clear, repeatable process. The quality of your hire depends heavily on how precisely you describe the integration, the systems involved, and the deliverables you expect. The three steps below walk you through posting your project, reviewing bids, and awarding the work.
The project post is the single biggest determinant of bid quality. A clear, technical brief filters for developers who genuinely understand API integration work and weeds out generic backend bids. For a Freelancer API project, name the endpoints, the systems you want connected, and the authentication model you expect. Head to the
Bids are short proposals, not just price quotes. They reveal how the developer interprets your brief, the technical approach they would take, and whether they have done similar Freelancer.com API work before. Read each proposal carefully and shortlist candidates whose understanding matches the integration you described. A strong proposal will reference specific endpoints, raise sensible technical questions, and outline a realistic delivery plan.
The final decision combines proposal quality with profile evidence. Strong candidates show consistency across past API and backend work, not just one impressive sample. Weigh portfolio depth, written client reviews, and the kinds of systems they have integrated before. Verified credentials and a high completion rate signal reliability under deadline pressure.
A simple integration, such as automated project posting from a single form, can be delivered in a few days. More complex builds involving webhook handling, dashboards, and multi-system orchestration typically take two to six weeks depending on scope and the developer's availability.
Yes. The developer will build against your account's OAuth credentials, which you generate from your Freelancer.com developer settings. A good developer will guide you through credential creation and recommend secure storage practices for tokens and secrets.
Absolutely. Many integrations are scoped as fixed-price, one-off builds with a defined deliverable. You can also retain the same developer on an hourly basis for ongoing maintenance, monitoring, and feature updates after launch.
A general backend developer can write server-side code, but a Freelancer API developer specifically understands the Freelancer.com endpoints, authentication model, rate limits, and data structures. That domain knowledge shortens delivery time and reduces integration bugs.
For most integrations, a single experienced freelancer is sufficient and more cost-effective. Agencies make sense only when the project spans multiple disciplines, such as API integration plus a full custom web application, mobile app, and ongoing DevOps support.

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