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React + Supabase Developer — Workplace Verification of Competency Web App Fixed price · AEST timezone preferred · Full spec and working prototype provided Note: the budget shown is a placeholder. I expect bids in the $800–$1,200 USD range for a complete, quality build. Bids significantly below this will not be considered. What this project is I need a developer to wire up a fully-designed React prototype into a production web application. The UI is complete — you are not designing anything. Your job is to connect it to a real database (Supabase), add authentication, and set up automated email delivery. The application is called SpecialisedVOC. It is a workplace verification of competency platform used to record and certify that workers can safely operate specific pieces of machinery. It handles approximately 3,000 assessments per year across multiple assessors and sites. The prototype (React .jsx file) and a full developer specification document are ready to send to shortlisted applicants. You will not be guessing at requirements — everything is documented. What needs to be built The prototype runs entirely in-memory. You need to replace the simulated state with real services: • Supabase database — schema provided, 7 tables, row-level security policies specified • Supabase Auth — assessor and admin login (email + password). Candidate path requires no login. • Real-time data — replace in-memory React state with live Supabase queries across all three user flows • PDF certificate generation — react-pdf, rendered from the existing certificate layout in the prototype • Email delivery via Resend — two triggers: knowledge check submission confirmation, and VOC certificate on assessment completion • Admin CRUD panel — manage machinery types, tasks, question banks, and practical checklists • Staging environment — separate Supabase project at a staging subdomain, required before production go-live • Production deployment — Netlify or Vercel, connected to GitHub for auto-deploy Three user interfaces (all in one app) Candidate Phone / browser. No login. Enrols, nominates machinery, completes a 10-question knowledge check, receives a reference number. Flow is 4 steps. Assessor iPad / browser. Authenticated. Searches candidates by name or reference number, reviews knowledge check responses, conducts practical assessment via checklist, issues VOC certificate. Admin Desktop / browser. Authenticated. Full register, statistics dashboard, manages assessors and question banks. Tech stack Frontend React (Vite) — prototype is a single .jsx file Database / auth Supabase (PostgreSQL + Supabase Auth) Email Resend PDF react-pdf Hosting Netlify or Vercel Repository GitHub — you set it up and hand over access Do not propose an alternative stack. The stack is fixed. If you are not experienced with React and Supabase specifically, please do not apply. Estimated effort Based on the documented scope, I estimate 41–58 hours of development work. The UI is complete — no design time is required. Quote based on your assessment of the spec, not this estimate. Payment will be split into two milestones: • Milestone 1 (50%) — staging environment live, all features working, product owner sign-off • Milestone 2 (50%) — production deployed, domain configured, repository and Supabase access handed over What I will send shortlisted applicants • The working React prototype (.jsx file) — open in any browser, fully interactive • Developer specification document (Word) — system overview, complete database schema with SQL, RLS policies, stack decisions, prototype guide, scope, delivery requirements, and clarifying questions You will have everything you need to quote accurately before committing to the project. What I need from you In your application, please include: • Your fixed price quote (AUD ONLY) • Confirmation that you have experience with React and Supabase — ideally a link to a project or past work that used both • Your timezone and typical working hours • Estimated turnaround from project start to staging sign-off Applications without a quote and without evidence of React + Supabase experience will not be considered. Generic applications will be declined. About the project Product specialisedvoc — Workplace Verification of Competency Operating under Halo (Queensland, Australia) Volume ~3,000 assessments per year Timeline Beta testing to begin as soon as build is complete Ongoing work Likely — beta will generate change requests. Suitable candidate may be retained for ongoing support. Timezone AEST (UTC+10/+11). Developer must be available for real-time communication during business hours AEST. Questions before applying are welcome.
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241 freelancerit tarjoavat keskimäärin $659 AUD tätä projektia

Hi, I have strong experience with React (Vite) and Supabase, and I can convert your existing React prototype into a production-ready app with Supabase DB, Auth, PDF generation, and Resend email integration while keeping the architecture clean and scalable. A couple of quick questions before sharing a precise quote: • Is the Supabase schema and RLS policy SQL already finalized, or should I help review/optimize it before implementation? • For the PDF VOC certificate, should it be stored in Supabase storage as well, or only generated and emailed via Resend? Let's connect to discuss the details. I'm ready to start immediately! Best, Uttam
$500 AUD 7 päivässä
8,3
8,3

⭐️⭐️⭐️⭐️⭐️ Hi, I agree with your requirements all., I've shipped three production apps with React and Supabase this year, including a compliance tracking system for a construction firm in Sydney that handles similar assessment workflows. I know the gotchas with RLS policies and real-time subscriptions in Postgres. My code is clean, commented, and I document as I build so handover is painless. First, I'll migrate your prototype to a Supabase project with the exact schema you provided, wiring up Auth for assessors and admins while keeping the candidate flow open. I'll implement the PDF certificate generator using react-pdf, matching your existing layout pixel-for-pixel, and connect Resend for those two email triggers with fallback logging so nothing gets lost. Next, I'll build out the admin CRUD panel for machinery types and question banks, ensuring row-level security locks users to their data correctly. I'll set up a staging environment on a separate Supabase instance with a Vercel preview deployment for your team to test against real data without touching production. Finally, I'll deploy to production on your domain, transfer the GitHub repo ownership, and document the Supabase project structure so your team can manage it going forward. I work AEST hours and typically turn around builds like this in 3-4 weeks from kickoff to staging sign-off. My fixed price is $1,000. I look forward to working with you. Best Regards. Roman
$1 000 AUD 20 päivässä
6,1
6,1

Hello! As per your project description, you are looking to transform your fully-designed React prototype into a production-ready web application, SpecialisedVOC, with Supabase integration for database, authentication, real-time queries, and automated email delivery. The goal is to provide a seamless workplace verification of competency platform for candidates, assessors, and administrators while ensuring accurate certificate generation and secure data handling. My focus will be on connecting the prototype to Supabase for live data, implementing Supabase Auth for assessor and admin roles, generating PDF certificates via react-pdf, automating email notifications with Resend, and creating a robust admin CRUD panel. I will ensure the system is scalable, secure, and deployed on Netlify or Vercel with GitHub auto-deploy, while maintaining separation between staging and production environments. I specialize in building React web applications with Supabase backends, real-time workflows, and role-based authentication. For this project, I can ensure the candidate, assessor, and admin flows are fully integrated and operational with minimal friction. Let’s connect to refine the requirements and ensure the platform delivers a seamless, secure, and accurate verification experience for all users. Best regards, Nikita Gupta.
$300 AUD 18 päivässä
6,1
6,1

Hi there, hope you are doing well. Quick question: Will the PDF certificates require any digital signature or verification ID beyond the reference number already generated in the prototype? I understand that the UI is already completed, so the focus will be on connecting the prototype to Supabase services, implementing authentication, replacing in-memory state with live database queries, and setting up the required workflows such as PDF certificate generation and automated email delivery. For the backend integration, I will implement the Supabase database schema with row-level security policies, configure Supabase Auth for assessor and admin access, and ensure each user flow (Candidate, Assessor, Admin) communicates properly with the database. I will also integrate Resend for email triggers and use react-pdf to generate certificates from the existing layout. The application will be deployed with GitHub version control and automated deployment through Vercel or Netlify, including a staging environment before production release as specified. Fixed Price Quote: 1,050 AUD Timezone: IST (UTC+5:30) — I can overlap several hours with AEST for communication. Estimated Turnaround: 2–3 weeks for staging-ready delivery after receiving the prototype and specification. I focus on delivering clean, maintainable code and stable production builds, and I’d be happy to support future improvements after the beta phase as well. Best Regards Dinesh
$1 050 AUD 12 päivässä
5,8
5,8

I looked at what you posted, I will wire your prototype into production with Supabase database and auth, real-time queries across all three user flows, react-pdf certificates, Resend triggers, and the admin CRUD panel. Staging on a separate Supabase project goes first for your sign-off before production deploy. For the candidate path I will set RLS policies allowing anon-key inserts scoped to enrollment and knowledge check tables, no read access to other records, keeping the no-login flow working without exposing the broader dataset. Questions: 1) Should PDF certificates be stored in Supabase Storage for later access, or is email delivery enough? 2) What is your preferred channel for communication during the build? Message me and I will share more on how I would handle this. Kamran
$1 200 AUD 5 päivässä
5,6
5,6

Hello, I’m excited about the opportunity to contribute to your project. With my expertise in React, Supabase, PostgreSQL, authentication flows, and production-grade web application delivery, I can turn your existing React prototype into a fully functional SpecialisedVOC platform with live database integration, role-based access, PDF certificate generation, and automated email workflows. I’ll tailor the work to your exact requirements, ensuring the in-memory state is replaced with real Supabase queries, RLS-secured data access, assessor and admin auth, staging and production deployment, and a clean implementation that matches your fixed stack and documented specification. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$800 AUD 7 päivässä
5,1
5,1

Regarding your project, I noticed a common issue many overlook: data latency. By optimizing backend processing, I can ensure real-time data handling and deliver seamless performance. This is critical for maintaining your system's efficiency and user satisfaction. In a recent project, I improved a platform's response time by 40%, resulting in increased user engagement and retention. I include 30 days of post-deployment bug-fixing to guarantee smooth operation. Have you considered how data volume might impact your current infrastructure? Let's discuss how I can assist you further.
$400 AUD 7 päivässä
4,8
4,8

I am highly qualified to do this job with high QUALITY -----Supabase-Integrated React Web App Developer I am a passionate REACT.JS/SUPBASE/ PHP/Full stack developer having rich experience with so many successful Tasks. I have some queries to give you accurate time and price Please ping me to get started and provide you great results. Thanks!
$800 AUD 7 päivässä
5,4
5,4

Hi there, Your "SpecialisedVOC" project aligns perfectly with my development strengths! I'm genuinely keen to transform your excellent React prototype into a robust production app. The clear specification and complete UI allow me to focus entirely on efficient backend integration and deployment. I confirm strong, proven experience with **React (Vite)** and **Supabase (PostgreSQL, Auth, RLS)**, which are critical for this project. My expertise also covers integrating **Resend** for email delivery and generating dynamic PDFs with **react-pdf**. I'm proficient with **Netlify/Vercel** deployments and GitHub workflows. I am available for real-time communication during AEST business hours, ensuring smooth collaboration. Regards Nikhil.
$500 AUD 7 päivässä
4,7
4,7

Hi, This is a well-structured project and the stack you’ve defined (React + Supabase + Resend + react-pdf) fits perfectly with the type of systems I build. I have solid experience connecting React (Vite) applications to Supabase (PostgreSQL, Auth, and RLS policies) and replacing prototype state with live queries, mutations, and real-time updates. I can also implement PDF certificate generation using react-pdf, email triggers with Resend, and a secure admin CRUD panel for managing machinery, question banks, and assessments. Your three flows (Candidate, Assessor, Admin) are clear, and I can structure the app so Supabase queries, auth handling, and role-based access remain clean and maintainable. I’ll also set up GitHub, staging (separate Supabase project), and CI deployment to Netlify/Vercel so you have a smooth path from staging to production. Timezone: Flexible overlap with AEST (available several hours during AEST business time) Estimated Timeline: 7–10 days to staging sign-off after project start. I’d be happy to review the React prototype and developer specification so I can confirm the implementation plan and start immediately.
$500 AUD 7 päivässä
4,4
4,4

Hi, Our devs looked at your project, and we noticed a potential bottleneck in the way your current architecture might handle increased user load. Our backend leads are ready to architect a solution that ensures your system can scale seamlessly as demand grows. We recently completed a massive e-commerce platform that handled millions of transactions daily. Using a combination of Node.js and microservices, we ensured 99.9% uptime and lightning-fast response times, crucial for high-volume operations like yours. I'll be your direct technical point of contact, and we're ready to set up a staging environment for you to see our work in action. Our team values communication and transparency, ensuring you’re always in the loop. What's your vision for the next phase of your platform's growth? Let's explore how we can make that happen.
$400 AUD 7 päivässä
4,4
4,4

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards!
$750 AUD 7 päivässä
4,5
4,5

Hello, I’m an experienced React and Supabase developer and can convert your working prototype into a fully functional production application using the exact stack specified. Since the UI and database schema are already defined, I will focus on connecting the React app to Supabase (PostgreSQL + Auth), implementing row-level security, and replacing the in-memory state with live queries and mutations. I have previously built React applications using Supabase for authentication, database management, and real-time data handling, including admin dashboards and role-based access systems. I’m also familiar with Resend for email automation, react-pdf for document generation, and deployments using GitHub with Netlify or Vercel. For your SpecialisedVOC platform, I will implement the candidate enrolment flow, assessor dashboard, and admin panel, connect them to the Supabase schema, and configure the automated knowledge check confirmation and VOC certificate email delivery. I will also set up a staging environment before completing the production deployment. Fixed Price Quote: AUD $700 Timezone: GMT+1 Working Hours: Flexible with overlap during AEST business hours Estimated Turnaround: 7–10 days to staging sign-off I’d be happy to review the prototype and developer specification to confirm the final scope and begin immediately. Thank you.
$700 AUD 7 päivässä
4,0
4,0

Dear Client, Thanks for considering my application for your project. I have reviewed your project, and it best matches with my expertise. With over 6 years of experience as a senior full stack web developer, I can confidently say that I can start IMMEDIATELY and complete the job efficiently and within a short timeframe. You can find more information about me at https://developer-amjid.web.app. I'm eager to commence work on your project and look forward to your positive response. Sincerely, Amjid
$500 AUD 7 päivässä
4,0
4,0

Nice to meet you , My name is Anthony Muñoz, I express my interest in working on your project after carefully reading the requirements and concluding that they match my area of knowledge and skills. I am currently the lead engineer for the IT agency DSPro and I have more than 10 years of experience in the field. I have successfully completed a large number of similar jobs and I consider your project to be a challenge in which I would like to work and be able to make it a reality. Please feel free to contact me, it will be my pleasure to help you. I greatly appreciate the time provided and I remain attentive to any questions or concerns. Greetings
$1 274 AUD 7 päivässä
4,9
4,9

Hello!! " Supabase-Integrated React Web App " I have similar kind of expertise and work experience. I am having more then 10+ years of experienced in programming and i believe that i can start working step by step and achieve the project goal in short time frame. Key Approach & Features: -->> Supabase Database: Fully wired with your provided schema, including row-level security policies. -->> Auth: Email/password login for assessors and admins; candidate flow remains login-free. -->> Real-Time Data: Replace in-memory state with live Supabase queries across all user flows. -->> PDF Certificates: Implemented via react-pdf from your existing layouts. -->> Email Automation: Resend triggers for knowledge check submissions and VOC certificates. -->> Admin Panel: CRUD for machinery types, tasks, question banks, and practical checklists. -->> Deployment: Staging on separate Supabase project, production on Netlify/Vercel, GitHub CI/CD. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL ASSIST YOU FROM ZERO TO PUBLISHING ON STORES. I am interested in this project. Lets connect to discuss the project in detail so that we can proceed with the . Thanks Julian
$250 AUD 7 päivässä
4,2
4,2

Before providing a fixed-price quote, could you confirm whether the React prototype already includes all certificate layouts, question banks, and workflow logic for candidate, assessor, and admin flows, or will any additional implementation be required beyond wiring it to Supabase, setting up authentication, email delivery, and PDF generation?
$500 AUD 7 päivässä
3,7
3,7

Hello, I have extensive experience in the mentioned technologies and am ready to start immediately. Let’s connect via chat to discuss the project requirements further. Thank you, Jignesh
$1 100 AUD 20 päivässä
3,9
3,9

As a Full Stack Developer with strong experience in React.js (Vite) and Supabase, I can efficiently work on your SpecialisedVOC platform. I have built several applications using this stack and can integrate live Supabase queries, database schemas, and RLS policies to ensure secure and real-time data handling. I will carefully review your database structure and system documentation to replace in-memory React state with reliable Supabase-powered data across all user interfaces. I’m comfortable working across different time zones and delivering within tight deadlines while maintaining clear communication and high-quality implementation. Thanks, Jay
$500 AUD 7 päivässä
3,7
3,7

You can have me wire up your fully-designed React prototype into a production web application, replacing the simulated in-memory state with real services, with Supabase as the database. I understand that there will be 3 user interfaces i.e. Candidate, Assesor & Admin. I am a full stack developer and have numerous experience with React/Vite/ShadCN ( as an example, see https://www.freelancer.com/projects/nodejs/project-39423455/details ) and understand Supabase. I have wired JavaScript based front end applications with Node.js backends using PostgreSQL as the database. I believe this experience is applicable to your project. For CI/CD, my approach will be to use GitHub actions which will deploy any push to the repository to your server automatically. Based on experience, I recommend both the GitHub repository and deployment server be under your account at the very start as handing over ownership later could be an unneccessary headache. I am 3 hours behind Queensland time and am available for technical support during your office hours. As for long term support, you can rely on me as my account here on freelancer.com has been active for more than 15 years as of 2026. Should you consider me for this project, please pass the WORD document which contains the developer specifications. Thank you for reading this far.
$1 000 AUD 9 päivässä
3,8
3,8

Stapylton, Australia
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