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6.7
6.7
98%

Toronto, Canada
$50 USD per hour
I build scalable websites, web applications, mobile apps, e-commerce platforms, AI tools, client portals, and business automation systems. I hold a Master’s degree in AI and Machine Learning and combine practical development experience with a strong focus on automation, integrations, rapid prototyping, and building products that can grow with the business. My work includes WordPress, WooCommerce, Shopify, PHP, Laravel, Node.js, React, Next.js, React Native, MySQL, PostgreSQL, REST APIs, third-party integrations, Stripe, Twilio, OpenAI, CRM and ERP integrations, cloud deployment, performance optimization, security improvements, and ongoing maintenance. I have worked with startups, agencies, and established businesses to turn ideas into working products quickly. This includes launching MVPs, scaling existing platforms, improving slow websites, fixing complex bugs, automating repetitive workflows, building dashboards, integrating external services, and modernizing older systems. Whether you need a new website, SaaS platform, mobile app, AI-based tool, custom automation, API integration, e-commerce solution, or support for an existing project, I focus on clear communication, practical planning, clean code, and reliable delivery. Send the project details, current website, repository, or requirements, and I will review the best approach for moving it forward.

8.6
8.6
100%

Nanaimo, Canada
$40 USD per hour
🤝Building Scalable Digital Products That Drive Business Growth🤝 BlueCloud Software is a Canadian-based technology team specializing in custom web, mobile, SaaS, AI, and cloud solutions for startups, enterprises, and growing businesses worldwide. With 10+ years of industry experience, we transform ideas into secure, scalable, and high-performance digital products. Founded with a strong background in digital content and creative strategy, we combine modern engineering with user-focused design to build products that are both technically powerful and commercially impactful. Our Services • Custom Web & Mobile Application Development • AI Automation & AI-Powered Systems • SaaS Platform Development • E-Commerce Solutions & Optimization • Blockchain & dApp Development • UI/UX Design & Product Strategy • API Integration & Cloud Infrastructure • DevOps, QA Testing & Performance Optimization Technologies React, Next.js, Vue.js, Angular, Node.js, Laravel, Django, .NET, Flutter, React Native, AWS, Docker, Shopify, Magento, PostgreSQL, MongoDB, Firebase, and more. With 500+ five-star reviews, 100+ recommendations, and a proven record of reliable delivery, we focus on quality, innovation, transparency, and long-term client success. We don’t just build software — we build digital products designed to scale, perform, and create real business value. Let’s build something exceptional together.

9.4
9.4
95%

Mississauga, Canada
$25 USD per hour
We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.). 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple...

6.1
6.1
97%

Montreal, Canada
$18 USD per hour
⭐⭐⭐⭐⭐ I am able to provide simply the best service to you. So i would say that just try my excellent services. Why you select me? 1) I never bid any project which I think I cannot complete. 2) I am more than 15 hrs online in a day. 3) I can support 15 hrs in a day. 4) I am always reliable, honest. 5) I always try my best to satisfy 100% a client where as job is small or big. 6) Work until customer satisfy when he tell 100% ok then project Deliver. 7) I always finish project within the timeline. My skills: ✅PHP ✅Wordpress ✅Shopify ✅Woocommerce ✅HTML5 ✅CSS3 ✅Tailwind ✅Bootstrap, ✅Jquery ✅Javascript ✅Joomla ✅Magento ✅Laravel ✅REST API

8.0
8.0
93%

Calgary, Canada
$15 USD per hour
At Ludiac Solution, We don't just write code we architect, design, develop, deploy, and maintain complete digital products from concept to production. Our mission is to build secure, scalable, high-performance software that accelerates business growth and delivers measurable results. 𝗢𝘂𝗿 𝗖𝗼𝗿𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 * Full-Stack Web Development * Cloud Architecture & DevOps * Mobile App Development * Custom Software Development * AI Development & Automation * Machine Learning Solutions * SaaS Product Development * Enterprise Software Development * CRM, ERP, LMS & CMS Development * API Development & Integration * UI/UX Design * E-Commerce Solutions 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 * Custom Web Applications * Enterprise Software Development * SaaS Platform Development * CRM & ERP Systems * LMS & CMS Development * REST API & GraphQL Development * Payment Gateway Integration * Authentication & Authorization * Real-Time Applications 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 * React.js * Next.js * Vue.js * Angular * HTML5 * CSS3 * Tailwind CSS * Bootstrap * JavaScript * TypeScript 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 * Node.js * NestJS * Laravel * Django * FastAPI * Flask * ASP.NET * .NET Core * Core PHP 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 * PostgreSQL * MySQL * MongoDB * Redis * SQLite 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 * Flutter * React Native 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 * Android App Development * iOS App Development * Cross-Platform App Development * UI/UX Design * Firebase Integration * Push Notifications * Integration * Google Maps API * App Store & Google Play Publishing * App Maintenance & Performance Optimization 𝗔𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 * AI Agent Development * Agentic AI Systems * AI Chatbots * Conversational AI * OpenAI Integration * LangChain * Hugging Face * Large Language Models (LLMs) * Retrieval-Augmented Generation (RAG) * Machine Learning * Image Processing * AI Automation * AI Mobile Applications Cloud & DevOps 𝗖𝗹𝗼𝘂𝗱 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 * Amazon Web Services (AWS) * Microsoft Azure 𝗗𝗲𝘃𝗢𝗽𝘀 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 * Docker * Docker Compose * Kubernetes * CI/CD Pipelines * GitHub Actions * Server Deployment * Vercel * Cloud Migration * Infrastructure Automation * Performance Optimization * Monitoring & Logging 𝗔𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 * API Development & Third-Party Integrations * E-Commerce Development * UI/UX Design 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗟𝘂𝗱𝗶𝗮𝗰 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻? ✅ 14+ Years of Industry Experience ✅ 500+ Successfully Delivered Projects ✅ Experienced Full-Stack Development Team ✅ AI & Automation Specialists ✅ Cloud & DevOps Experts ✅ Clean, Secure & Scalable Code ✅ Transparent Communication ✅ Fast Response Time ✅ On-Time Project Delivery ✅ Free Post-Launch Technical Support ✅ Flexible Working Hours Across Multiple Time Zones 𝗗𝗠 𝗨𝗦 𝗙𝗢𝗥 𝗙𝗥𝗘𝗘 𝗖𝗢𝗡𝗦𝗨𝗟𝗧𝗔𝗧𝗜𝗢𝗡

6.6
6.6
98%

Winnipeg, Canada
$38 USD per hour
Hello and welcome to my profile! I’m Ruwan Jayawardena, a Full Stack Developer with 12+ years of experience building modern, scalable, and efficient web solutions. Based in Canada, I specialize in React, Next, Vue, Nuxt, Node, PHP, Laravel, AWS, and all types of shared or cloud server configurations and integrations. I pride myself on delivering clean, maintainable code and seamless user experiences while ensuring projects are completed on time and within budget. With a proven track record on Freelancer.com and 45+ positive reviews, I’m dedicated to turning your ideas into exceptional results. What I Offer: - Frontend & Backend Expertise: React, Next.js, Vue, Node.js, Express, PHP, Laravel, and AWS. - Database Proficiency: MySQL, PostgreSQL, MongoDB, DynamoDB. - Efficient Delivery: Agile practices ensuring timely and high-quality outcomes. - Clear Communication: Real-time collaboration via text or video chat. - Freelancer Success: 98% job completion rate, 100% on-budget adherence. Specialties Include: - Developing responsive, SEO-optimized websites. - Building scalable RESTful APIs and serverless applications. - Cloud integrations and DevOps practices. - UI/UX design and state management with Redux, Vuex, and Zustand. - Implementing automated testing with Jest and Mocha. Let’s collaborate and create something extraordinary together! Regards, Ruwan Jayawardena

6.9
6.9
100%

Calgary, Canada
$50 USD per hour
Services We Offer: ⭐️ Web Development ⭐️ Mobile Development ⭐️ Desktop Development ⭐️ AI/ML Development ⭐️ Embedded Software/Hardware Development ⭐️ Creative Design Why Choose Us for Your Project: ✔ Expertise and Experience: My comprehensive knowledge allows me to consistently deliver outstanding results. ✔ Uncompromising Quality: Dedicated to customer satisfaction, I strive for excellence in every project I undertake. ✔ Timely Delivery: Committed to meeting deadlines, I ensure that your plans can proceed uninterrupted. ✔ Effective Communication: Attentive to your goals and requirements, I provide regular progress updates. ✔ Flexible and Adaptable: Open to suggestions and keen on incorporating changes, I am dedicated to achieving your desired outcomes. ✔ Competitive Pricing: Offering competitive rates for my services, I never compromise on the quality of work delivered. Are you ready to embark on this journey with us? Contact us now for bringing your idea to life. Thank you

6.3
6.3
92%

Calgary, Canada
$50 USD per hour
MapleStack builds fast, reliable web and mobile applications end to end - from architecture through launch. What sets us apart: Full-stack range - 8+ years across SaaS platforms, e-commerce, and AI-integrated web apps. Core stack: WordPress, WooCommerce, Shopify, PrestaShop, Laravel, Node.js, React, and Next.js, plus REST API integrations, payment gateways, headless CMS, and custom CRMs. Business-first approach - With a Bachelor of Commerce (Marketing) and a BSc in Psychology, we understand user behavior and business strategy, not just code. Certified professional - Google Ads Search Certified, Google Analytics Qualified, and Microsoft 365 SMB Masters Sales Professional. Speed and quality - We deliver quickly and aim to exceed expectations on every build, with clean, maintainable code. If it's technically possible, we can build it - from your first idea to a live product.

4.9
4.9
83%

Scarborough, Canada
$65 USD per hour
With 8+ years of experience as a Senior Software Engineer, I help businesses build scalable, reliable, and modern digital products across web, mobile, desktop, cloud, and AI-driven platforms. My background covers full-stack development, backend architecture, cloud infrastructure, API integrations, automation, and AI-powered solutions. I’ve worked with startups, agencies, and growing companies to develop production-ready systems that are fast, maintainable, and built for long-term growth. My core expertise includes: • C#, .NET / .NET Core, ASP.NET MVC, Web API • Angular, React.js, Next.js, Vue.js, TypeScript, JavaScript • SQL Server, PostgreSQL, MySQL, MongoDB, SQLite • AWS, Azure, Docker, CI/CD, Linux, Nginx, IIS • REST APIs, GraphQL, Microservices, Payment Integrations • WordPress, Magento, CMS Development • Mobile Development with React Native and Flutter • AI & Automation using OpenAI, ChatGPT, Gemini, MCP, n8n, Make.com • Blockchain & Web3 technologies including Solidity, Ethereum, Solana, Smart Contracts, DApps • Data Scraping, Automation, Dashboards, Power BI, Airtable, Google APIs I also have strong experience leading projects and collaborating with teams — from planning architecture and reviewing code to mentoring developers and delivering high-quality software on time. Recently, I’ve been working with AI agents, LLM integrations, and MCP-based workflows, helping businesses connect AI systems with real-world tools, APIs, databases, and business logic in practical and scalable ways. I focus on writing clean, maintainable code and building solutions that solve real business problems — whether it’s a SaaS platform, automation system, AI application, eCommerce platform, internal dashboard, or enterprise backend. I value clear communication, dependable delivery, and long-term professional relationships. Let’s build something great together.
A Payment Gateway Integration Engineer is a developer who connects websites, mobile apps, and software platforms to payment processors so businesses can securely accept credit cards, digital wallets, and alternative payment methods. This specialist handles the technical work of integrating APIs from providers such as Stripe, PayPal, Braintree, Adyen, and Authorize.Net, ensuring transactions flow reliably between the customer, the merchant, and the acquiring bank.
Hiring a skilled payment integration engineer is critical because checkout is where revenue is won or lost. A poorly integrated gateway leaks sales through declined cards, failed redirects, and abandoned carts, while a clean integration protects conversion rates, supports global currencies, and keeps sensitive cardholder data outside the merchant's environment. For any business processing online payments, this hire directly affects cash flow, fraud exposure, and regulatory standing.
These engineers build and maintain the full payment stack on the merchant side. The work spans server-side API integration, client-side checkout components, webhook handling, and reconciliation logic. Typical deliverables include:
Payment integration sits at the intersection of backend engineering, security, and platform-specific SDKs. Strong candidates are fluent in REST APIs, webhooks, and asynchronous event handling, and they typically work across several of the following:
Payment gateway integration work is in demand across nearly every sector that collects money online. Common engagements include e-commerce stores adding new payment methods, SaaS companies launching subscription billing, marketplaces building split payments and payouts, mobile apps adding in-app purchases through Stripe Connect or PayPal Payouts, fintech startups embedding card acquiring into their products, donation platforms, education and online course platforms, on-demand services, ticketing systems, and healthcare or telemedicine providers needing HIPAA-aware payment flows. Marketplaces in particular require careful work around KYC, escrow, and disbursement that goes beyond a basic checkout integration.
Because payment code touches money and regulated data, hiring standards should be higher than for general web work. Look for engineers who have shipped live integrations, can speak fluently about edge cases, and treat security as a first-class concern.
Useful interview questions a client can ask directly:
Freelancer.com gives you access to a global pool of payment specialists who have worked across nearly every major gateway, region-specific processor, and e-commerce platform. Whether you need a one-off Stripe integration, a Shopify checkout customization, a multi-gateway routing layer, or ongoing maintenance of subscription billing, you can post a project on Freelancer.com and receive competitive bids from engineers who match your stack and budget. Clients set their own budgets, review verified portfolios, and use Milestone Payments to release funds only when work is verified. The scale of freelancers on Freelancer.com means you can find specialists with deep experience in niche gateways like Razorpay, PayU, Paystack, Flutterwave, or Mercado Pago alongside mainstream providers, making it a practical place to hire on Freelancer.com regardless of which market you serve.
Ready to accept payments cleanly and securely?
Hiring for payment work is different from hiring a generalist developer because the brief needs to be specific about gateways, payment methods, and compliance expectations. The clearer you are about your stack, target markets, and transaction model, the better the proposals you will receive. The process on Freelancer.com follows three straightforward steps.
The project brief is the single biggest determinant of bid quality. For payment integration work, vague briefs attract generic bids, while specific briefs attract engineers who have already shipped exactly what you need. Head to the
Bids are short proposals, not just price quotes. A strong proposal for payment work shows the engineer has read the brief, understands the gateway, and has thought through edge cases like webhook retries, refunds, and authentication. Read each proposal carefully and shortlist candidates whose technical approach matches your requirements.
The final decision combines proposal quality with profile evidence. Payment work rewards consistency, so weigh the depth of a freelancer's track record rather than a single impressive example. Look closely at how previous clients describe communication, reliability, and post-launch support.
A standard single-gateway integration on an existing application typically takes one to three weeks, depending on whether you need subscriptions, webhooks, and refund tooling. More complex work, such as marketplace split payments, multi-currency support with smart routing, or full PCI-compliant custom checkouts, can run longer. The brief, sandbox access, and clarity of your business logic are usually the biggest factors in timeline.
Yes. Many merchants hire a freelancer specifically to ship an initial integration, fix a broken webhook flow, add a new payment method, or migrate from one gateway to another. You can also retain the same engineer on an ongoing basis for maintenance, gateway updates, and fraud tuning once the initial work is live.
A general backend developer can write APIs, but a payment integration specialist understands the specific risks and patterns of money movement: idempotency, webhook reliability, PCI scope, 3DS2, chargebacks, and reconciliation. That domain knowledge prevents costly mistakes like duplicate charges, lost transactions, or accidental storage of raw card data.
If your integration uses hosted fields, iframes, or redirects so card data never touches your servers, you generally qualify for the simplest PCI self-assessment (SAQ-A). A good integration engineer will architect the checkout specifically to keep you in that reduced scope, but compliance ultimately remains the merchant's responsibility.
Yes. Engineers regularly build abstraction layers that route transactions to different processors based on currency, region, card type, or cost. This is common for international merchants who want a primary global gateway alongside local processors for better acceptance rates.

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