
Closed
Posted
I need to get a payment gateway up and running smoothly and securely. My priority is a friction-free checkout on the website today, with the option to extend the same flow to a future mobile app. Whether that involves a brand-new integration, untangling problems in an existing setup, or upgrading to the latest API, I’m open to the approach that gets us a stable, compliant solution fastest. Experience with PayPal, Stripe or Square is highly valued. You’ll plug into my small dev team, so clear, well-documented code and straightforward explanations are essential. After implementation, we’ll run test transactions together in a staging environment; once everything passes, we’ll push live and wrap up with concise hand-over notes so my team can maintain the gateway confidently. When you reply, please highlight: • Which gateways you know best • A brief example of similar work you’ve completed • Your expected timeline to reach a live launch I’m ready to get started as soon as I find the right partner.
Project ID: 40363386
16 proposals
Remote project
Active 55 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
16 freelancers are bidding on average ₹450 INR/hour for this job

Hello I can help you implement a secure and friction-free payment gateway with a clean checkout experience and future mobile readiness. I have strong experience with Stripe PayPal and Square including new integrations API upgrades and fixing unstable setups. I typically implement hosted or embedded checkout with proper webhook handling error recovery and full compliance for secure transactions. I also ensure the flow is optimized for speed minimal steps and high conversion. Example I recently integrated Stripe for a subscription platform with trials webhooks and seamless frontend checkout. I will work closely with your team provide clear code and simple documentation for easy maintenance. We will test thoroughly in staging with real scenarios before going live. Timeline is about 2 to 4 days depending on current setup and requirements. Ready to start immediately and deliver a stable solution quickly.
₹250 INR in 40 days
3.5
3.5

As an API Integration and Payment Gateway expert, I am highly experienced with PayPal, Stripe, and Square - the three gateways you mentioned as being of particular importance to your project. To provide a relevant success story, I recently integrated a seamless payment process for an e-commerce client, similar to your needs. This involved both a website and a mobile app. My approach was to build intelligent, high-performance systems specifically tailored to their needs, focusing on security and a smooth user experience. I have a deep understanding of the importance of clear code and simplified explanations in streamlining processes between developers. Having worked at Google and Apple previously, I have sharpened my skills in delivering efficient, effective results while prioritizing the needs of my clients who are free to focus on marketing strategies without any technical concerns. My transparent process includes mapping out every step from code review to final delivery with detailed timelines and expected outcomes. In this case, my commitment is to deliver your live launch as quickly as possible without neglecting robustness or compliance. I understand that timeliness is crucial but not at the expense of stability. With my structured method in place, we can collaborate seamlessly throughout and execute timely test transactions in a staging environment before going live.
₹400 INR in 40 days
2.9
2.9

Hello, I've gone through your requirements and payment gateway integrations — Stripe, PayPal, and Square — are work I've implemented repeatedly across web platforms with mobile-ready API architecture. My strongest gateway: Stripe — cleanest API, best documentation, and the most straightforward path to extending the same integration to a mobile app later without rework. My approach: Assess your current setup first — new integration, fix, or API upgrade determined before writing a single line Implement clean, well-documented code your team can maintain confidently after handover Staging environment test transactions run together before anything goes live Mobile-ready architecture from day one — same payment flow extends to your future app without restructuring Concise handover notes delivered alongside the implementation — your team stays independent after we wrap up. Regards, Basant
₹250 INR in 40 days
1.6
1.6

As an experienced Full Stack Developer with over five years in the industry, I have developed invaluable skills in payment gateway integration that can be effectively utilized for your website and future mobile app. I not only specialize in integrating popular gateways like PayPal, Stripe, Square but also possess the know-how of other key services to smoothly implement secure and friction-free transactions. To provide a glimpse of my capabilities, I recently integrated a robust payment gateway using React.js and Node.js for a SaaS application similar to your project. The result was an enhanced user experience with minimal technical glitches, aligning appropriately with your requirement for clear, well-documented code and straightforward explanations. Moreover, providing practical solutions within timelines is something that has been my strength throughout my career. Combining this strength with my proficiency in API integrations, database management and performance optimization, I assure you efficient rollout on a schedule that aligns with your expectations. Let's collaborate to make the journey from staging to live transactions as smooth as possible and I would happily offer concise hand-over notes so that your team can avidly manage the gateway even after we're done.
₹400 INR in 40 days
1.8
1.8

Hi, I can help you set up a secure and friction-free payment gateway that works smoothly on your website now and can be easily extended to a mobile app later. I have solid experience working with Stripe and PayPal integrations, including subscription billing, one-time payments, webhook handling, and secure checkout flows.
₹250 INR in 1 day
1.6
1.6

Hi I can help you set up a secure payment gateway integration today. I've integrated Stripe, PayPal, Razorpay. other gateways in 15+ projects over the last 2 years, including WooCommerce stores and custom checkout flows. I'll ensure: - Clean. secure API integration - Smooth checkout UX - Mobile-ready architecture - Full documentation Since I'm building my Freelancer profile and need quality reviews, I'm offering a competitive rate to deliver fast, professional work. Ready to start immediately. https://www.freelancer.com/portfolio-items/11324085 https://www.freelancer.com/portfolio-items/11324049 Best Artur
₹2,792.78 INR in 40 days
0.0
0.0

We can implement or clean up your payment gateway flow with a focus on secure checkout, reliable test transactions, and clear handover notes for your team. Our experience across web back-end and front-end stacks helps us adapt quickly whether this is a fresh integration, an API upgrade, or fixing an existing setup, and we can keep the implementation structured so it can extend cleanly to a future mobile app. We work comfortably with payment integrations such as Stripe, PayPal, and Square, and we’ll document the code and launch steps so your developers can maintain it confidently. We’ll validate everything in staging first, then support the move to live once the flow is stable and compliant.
₹360 INR in 30 days
0.0
0.0

Getting your payment gateway running smoothly and securely today is something I can definitely do. I specialize in seamless Stripe and PayPal integrations, focusing on clean, well-documented code that your dev team will find easy to maintain. Recently, I upgraded a major e-commerce site’s checkout flow to the latest Stripe API, cutting transaction hiccups by 40%. I’m a hands-on problem solver who won’t stop until it works perfectly. Ready to start now—shall we map out the quickest path to live launch? Regards, Collen Jr Liebenberg
₹300 INR in 30 days
0.0
0.0

Hello, I understand you need a secure, friction-free payment gateway integration that works smoothly now on web and can extend easily to a future mobile app. I have strong experience with Stripe, PayPal, and Square, and can quickly implement or fix your current setup to ensure a stable, compliant checkout flow. Approach: • Clean integration (new or existing system optimization) • Secure checkout (PCI-compliant best practices) • Webhook handling for real-time payment status • Scalable structure for future mobile app use What I’ll Deliver: • Fully working payment gateway integration • Smooth, user-friendly checkout experience • Staging test setup + live deployment support • Clean, well-documented code + handover notes Experience: • Built multiple Stripe & PayPal integrations (subscriptions, one-time payments, webhooks) • Fixed broken payment flows and improved success rates Feel free to message me so we can discuss the project further. Warm regards, SamreenCoders
₹250 INR in 40 days
0.0
0.0

Hi, I can help you set up or fix your payment gateway to ensure a smooth, secure, and fully functional checkout process. I will: Integrate or fix Stripe / PayPal / Square gateway Ensure secure and friction-free checkout flow Test complete payment lifecycle in staging (including webhooks) Fix any API or integration issues in existing setup Provide clean, well-documented code for future mobile app use Deliver a simple handover guide for your team I have experience working with payment gateway integrations and can ensure a stable and production-ready solution quickly. Best regards, Neha
₹250 INR in 35 days
0.0
0.0

I can implement a secure, frictionless payment gateway that works immediately on your website and is fully extensible for future mobile app integration. I have strong experience working with **Stripe, PayPal, and Square APIs**, including checkout customization, webhook handling, and PCI-compliant payment flows. My focus is always on stability, security, and clean integration with existing systems. **Approach:** I’ll first review your current setup (or design a new integration if needed), then implement a streamlined checkout flow optimized for conversions. This includes secure payment intent handling, webhook setup for transaction validation, and proper error handling to avoid failed or duplicate charges. I’ll ensure the system is fully **API-ready for mobile apps**, so the same backend can later support iOS/Android without redesign. **Deliverables:** • Fully working Stripe/PayPal/Square integration (based on your choice) • Secure checkout flow (PCI-compliant best practices) • Webhook setup for payment confirmation & tracking • Test transactions in staging environment • Clean, documented code + handover guide for your dev team **Timeline:** Typically 1–3 days for a clean integration, depending on existing codebase complexity, plus testing and refinement. I prioritize fast deployment without sacrificing reliability or security, and I’ll ensure your team can easily maintain and extend the system going forward.
₹100 INR in 40 days
0.0
0.0

am a passionate and detail-oriented Frontend Developer with hands-on experience in building responsive, user-friendly web applications. With a strong foundation in modern web technologies, I specialize in creating intuitive interfaces that enhance user experience and deliver real business value. Over the past several months, I have worked on diverse projects including a school fee payment gateway and an online grocery platform, where I focused on developing seamless UI components and improving overall performance. I enjoy turning complex ideas into simple, elegant digital solutions. Currently, I am working in the Control and Instrumentation domain at Timarpur-Okhla Waste Management Company Limited, where I combine my technical background with problem-solving skills to contribute to real-world industrial systems.
₹250 INR in 40 days
0.0
0.0

Bengaluru, India
Payment method verified
Member since Nov 3, 2016
₹600-1500 INR
₹100-400 INR / hour
₹600-1500 INR
₹600-1500 INR
₹750-1250 INR / hour
$250-750 AUD
$30-250 USD
₹1500-12500 INR
₹1500-12500 INR
₹1500-12500 INR
₹1500-12500 INR
₹15000-25000 INR
$10-30 USD
₹12500-37500 INR
$10-30 USD
$15-25 USD / hour
₹400-750 INR / hour
$10-60 USD
$30-250 NZD
₹600-1500 INR
$30-250 USD
$1500-3000 CAD
$30-250 USD
$250-750 USD
$10-60 USD