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Title: Assemble and deploy a [login to view URL] an app (code already written) Project overview: The MVP scope, architecture, and all core code have already been written and reviewed — this job is primarily assembly, configuration, and deployment, not building from scratch. What's already done: - Full [login to view URL] frontend code: customer-facing PWA - Full Node.js/Express backend code: REST API covering stores, products, geo (PostGIS), orders, auth - JWT authentication with refresh tokens and role-based access - Stripe Connect integration for marketplace checkout with automatic platform fee splitting - Shopify OAuth + product sync (with webhook handlers for live updates) - Firebase Cloud Messaging push notification service with 24-hour alert suppression logic - Admin panel backend (retailer approval, order management, refunds, broadcast notifications) - PostgreSQL + PostGIS database schema (all tables, indexes, migrations) - PWA [login to view URL] and service worker ([login to view URL]) for installable web-app experience - GitHub Actions CI/CD pipeline ([login to view URL]) targeting Railway (backend) and Vercel (frontend) - [login to view URL] with API rewrites and security headers Tech stack: [login to view URL], Node.js/Express, PostgreSQL + PostGIS, Redis, Stripe Connect, Firebase Cloud Messaging, Shopify Admin API, JWT auth, Railway, Vercel, GitHub Actions
Project ID: 40519070
295 proposals
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Active 2 days ago
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295 freelancers are bidding on average $14 USD/hour for this job

OVER 10 YEARS OF EXPERIENCE IN IT, HIGH QUALITY DELIVERY Hello! Since the code, architecture, CI/CD, database schema, Stripe Connect, Shopify OAuth, FCM, JWT auth, PostGIS, and PWA setup are already written, I would treat this as a careful assembly and production deployment job, not a rebuild. I can review the repository structure, environment variables, Railway backend config, Vercel frontend config, PostgreSQL PostGIS setup, Redis connection, GitHub Actions secrets, API rewrites, migrations, webhook URLs, Firebase service credentials, Stripe Connect settings, and Shopify app credentials, then get everything running cleanly in staging and production. I would also run the backend locally first, validate migrations and seed data if available, test auth, store/product APIs, geo search, orders, checkout, Shopify sync webhooks, push notifications, admin backend routes, and PWA install behavior before final handoff. My focus would be deployment stability, correct environment setup, secure secrets handling, endpoint verification, and clear documentation so you can maintain the app after launch. Warm regards, Yulius Mayoru
$18 USD in 40 days
5.8
5.8

Hi, I can help you to assemble, configure, test, and deploy the entire application stack while ensuring all integrations work correctly in production. ➤ A few quick questions: • Is the codebase already available in GitHub with deployment workflows configured? • Have Railway, Vercel, Stripe, Shopify, and Firebase accounts already been created? • Do you need assistance with domain configuration and SSL as part of deployment? Since the application logic is already built, my focus will be on smooth assembly, infrastructure configuration, deployment, integration testing, and resolving any environment-specific issues to get the MVP production-ready. I'm available to start immediately and can provide regular deployment updates throughout the process. Best regards, Nupur
$12 USD in 40 days
5.5
5.5

Hello Dear! Good Day! Hope you are doing fine. This is Ruhul Ajom Sagor. I am an expert "Web Developer" with 10+ years of working experience in PHP, HTML5, CSS3, JavaScript, jQuery, Bootstrap, MySql and different Frameworks. I have completed my B.S.C Engineering in Computer Science and Engineering (CSE) from BUET. Hire me and you don't have to worry about your website problems again! I'll add value to your projects by creating astonishing designs and code with high impact and optimized user interaction that leads to bigger conversions. WHAT PROBLEMS CAN I HELP YOU SOLVE? • Custom Websites Using PHP and Frameworks • e-Commerce Websites (Woo-Commerce and Shopify) • Custom WordPress themes • On-Page and Off-Page SEO • WordPress themes Customization • Database Modeling/Development • WordPress migrations and upgrades • Responsive Coding (Make your website compatible with: smartphones, tablets, desktops) • Websites speed and loading time improvements • Cross-browser compatibility • PSD to HTML to WordPress conversion • HTML5/CSS3/jQuery websites based on Bootstrap I love challenges, talking to my clients, and meeting others’ standards as well as expectations. I will be discussing everything in detail, giving my full advice and delivering through best of my skills. You are cordially welcome to discuss your project. Thank You! Best Regards, Ruhul Ajom
$12 USD in 40 days
4.9
4.9

Hi there, I’d be happy to discuss your project—feel free to start a chat anytime. I’m a full-stack developer with solid experience building scalable web and desktop applications, and I’m confident I can deliver your project efficiently and on time. I also have strong exposure to modern technologies including Web3 concepts, DevOps practices, and automation. I’m a Kubernetes enthusiast with hands-on experience using Docker containers and deploying applications on Linux servers. My expertise includes: MERN / MEAN Stack (development + team management) .NET Core APIs with Angular, including D3.js data visualizations Azure Logic Apps, SharePoint, and workflow automation (PowerApps familiarity) Salesforce development with Apex, Visualforce, and integrations via .NET APIs DevOps basics, containerization, and application hosting on Linux Automation workflows and AI-based tools to improve efficiency I bring a problem-solving mindset and full project lifecycle experience—from development to deployment. Looking forward to hearing from you. Thank you!
$15 USD in 40 days
3.5
3.5

Hi , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in AngularJS, Node.js, API, NoSQL Couch & Mongo, Stripe, JavaScript, PostgreSQL and Next.js. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. For more details Chat with us
$50 USD in 35 days
2.2
2.2

Hey Dear , I just read all your job description A to Z and noticed you need someone skilled in PostgreSQL, JavaScript, Node.js, Stripe, API, NoSQL Couch & Mongo, AngularJS and Next.js. That’s right up my alley. You can check my profile —I’m Software engineer working at large-scale apps as a lead developer with U.S. and European teams. I’ve handled several projects using these exact tools and technologies. Before we proceed, I’d like to clarify a few things: Are these all the project requirements or is there more to it? Do you already have any work done, or will this start from scratch? What’s your preferred deadline for completion? Why Work With Me? 1) Over 150 successful projects completed. 2) I have not received a single bad feedback since the last 3-4 years. 3) You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. 4) Long-term track record of happy clients and repeat work. I prioritize quality, deadlines, and clear communication. Availability: 9am – 9pm Eastern Time (Full-time freelancer) I can share recent examples of similar projects in chat. Let’s connect and discuss your vision in detail. Kind Regards, Imran Haider
$10 USD in 44 days
3.0
3.0

✅ Can you provide the GitHub repo, environment variable list, Railway and Vercel access, PostgreSQL/PostGIS connection details, Redis setup, and third-party test credentials? ✅ What deployment order should be followed for database migrations, backend API, frontend PWA, Stripe Connect, Shopify OAuth/webhooks, Firebase Cloud Messaging, and admin panel testing? ✅ What final acceptance checks should confirm auth, geo search, orders, marketplace payments, Shopify sync, push notifications, API rewrites, CI/CD, rollback steps, and production monitoring?
$12 USD in 40 days
1.6
1.6

Your MVP code is ready, but assembly and deployment across Railway, Vercel, and services like Stripe Connect, Firebase Cloud Messaging, and Shopify OAuth needs precise configuration to avoid runtime failures. I built a Node.js/Express translation API with CI/CD (GitHub Actions → Railway) that handled multiple third-party integrations and PostGIS-style geo queries. My stack covers Node.js, PostgreSQL, Stripe APIs, JWT auth, and PWA deployment on Vercel. I'd tackle this in 4 milestones — secrets setup, backend deployment with migrations, frontend PWA + rewrites, then full integration testing. Quick question — are you using Railway's public networking or a private VPC for the backend-to-Redis connection?
$15 USD in 40 days
0.6
0.6

Hello, Thanks for sharing your project. This team brings together members with strong technical skills matched to your needs. We’re committed to delivering a high-quality result, on time, and as quickly as possible—without cutting corners. From clean code to clear communication, we’ll work efficiently to complete your project perfectly. Let’s hop on a quick chat to clarify details and get started. Looking forward to building something great together! Best Regards.
$15 USD in 40 days
0.0
0.0

❤️❤️❤️❤️Hello there! ❤️❤️❤️❤️ I have extensive experience with Web, Mobile, and AI development and have satisfied clients with my efforts on similar high-impact projects. I reviewed your project description and this is a perfect match for my technical background. I can start immediately and adapt to your preferred timeline. When is a good time for us to connect via chat to discuss your specific milestones? Warm Regards, Lilly
$12 USD in 40 days
0.0
0.0

I understand the brief and will architect a scalable, production-ready web platform with Modern Dark UI, Responsive Layouts, and Optimized performance. With the best security practices, I ensure I'll also implement Database Efficiency and CI or CD workflows. We've built a website for business services, offering various forms of assistance to any company needs. The professional automated user-friendly website has garnered a high potential amount of views, showcasing our expertise in building ecommerce stores, digital websites, gaming designs and platforms, and marketing. This successful track record has earned us 80+ 5-star reviews on all projects, ranking us in the top 1% among 80 million users. Our dashboard includes Authentication, Real-Time interactions, and smooth UX across desktops and mobile, all while maintaining Code Standards. Having us by your side guarantees top-notch results with no upfront funds required. We offer free consultations to ensure the best decision for your project. Regards, LIAM
$8 USD in 7 days
0.0
0.0

Hi! I read the project carefully. Since the core code is already written and reviewed, and the work is mainly assembly, configuration, and deployment, it fits well with how I work. My background is backend development with Node.js and Express: REST APIs, JWT authentication with refresh tokens and role based access, and PostgreSQL. I am comfortable with Git and GitHub Actions CI/CD, and with deploying to platforms like Railway and Vercel using environment variables and config files such as vercel.json.
$8 USD in 40 days
0.0
0.0

Hi, I am interested in your project. My background is in web development with HTML, CSS, JavaScript, and responsive web applications. I am comfortable working with existing codebases, reviewing project structures, troubleshooting issues, and following deployment documentation. Since the core application has already been developed, I would be interested in helping with configuration, testing, deployment, and general development tasks while learning the architecture and workflow of the project. I am detail-oriented and committed to delivering reliable results and clear communication throughout the process. I understand the importance of ensuring that all components work together correctly before deployment and would be happy to review the repository and project requirements in more detail. Best regards.
$8 USD in 40 days
0.0
0.0

Hi, I have experience working with complex full-stack systems, third-party integrations, CI/CD pipelines, cloud deployments, and production troubleshooting. I can help assemble the platform, verify every integration, fix deployment issues, validate webhooks, and ensure the application is stable and launch-ready. Before going live, I'd thoroughly test authentication, payments, notifications, product sync, database migrations, and deployment workflows to avoid surprises in production. Let's connect and review the current setup. I can help get the platform deployed and running smoothly as quickly as possible. Best Regards, Dhruvil
$12 USD in 40 days
0.0
0.0

Chaguanas, Trinidad and Tobago
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Member since Dec 20, 2018
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