QA Tester for Realtime Multi-User Social App (Next.js + Supabase)

@KESHAVINFOTECH

Hi, I’m proposing a focused QA risk-management pass for your collaborative app, with emphasis on realtime state, sync/conflict handling, membership rules, and private data isolation across multiple active accounts. These are the areas where multi-user bugs most often appear. I would begin with structured exploratory testing of the core multi-user journeys, then convert findings into a targeted regression checklist. I’ll reproduce sync/conflict scenarios with separate logins, verify chat and connection behavior, and test authorization boundaries via direct URL access, API responses, hidden records, and role/member changes. If Supabase RLS is in place, I’ll also check for policy gaps and data leakage paths. Initial focus: Multi-user walkthroughs Sync/conflict edge cases Chat and connections Data isolation/RLS checks Mobile browser matrix I can work on launch-blockers only, or include medium-severity UX/state issues that could impact early users. I’m available to start immediately and can review this via Freelancer chat or video call between 11 AM and 8 PM IST. Please share access details, and I’ll begin with a risk-based test plan right away.

@kamran2012

Hi, waypoint I will run a full exploratory and regression pass on your multi-user social app, covering the sync/conflict flows, RLS data isolation, presence logic, and cross-device responsive testing, then hand you a reusable regression checklist you can run solo after every future push. I have tested a realtime collaborative planning tool where I caught a race condition: two users editing shared state simultaneously caused one update to silently drop. Found it by opening two browsers side by side and rapidly toggling edits. I am familiar with Supabase Row Level Security and will specifically probe for cross-user data leakage in DMs, private groups, and connection scopes. Questions: 1) For the sync/conflict flow, should I test scenarios where a user is offline when the edit happens, or only online presence cases for now? Ready to start whenever you are. Kamran

@Microlent

waypoint Hi, Your project is exactly the kind of QA engagement I enjoy. The most valuable bugs in collaborative apps usually appear in synchronization, authorization, and edge-case interactions between multiple users—not in single-user happy paths. That's where I'd focus my testing. I have experience testing web applications involving real-time updates, messaging, role-based permissions, and collaborative workflows. My approach combines exploratory testing with structured regression testing to uncover synchronization issues, race conditions, and authorization flaws before launch. For your alpha, I'll provide: • A detailed test plan covering critical user journeys • Multi-user testing using multiple accounts and sessions • Bug reports with reproduction steps, severity, screenshots/screen recordings • Device/browser compatibility matrix • Exploratory testing notes • A reusable regression checklist for future releases To verify data isolation, I'd test both the UI and network layer by attempting to access private resources directly, switching identities, modifying requests, validating authorization boundaries, and confirming that protected data remains inaccessible. I'm happy with an on-and-off engagement and can jump back in whenever you have a stable build ready for testing. Looking forward to learning more about the product. Best regards, Rajesh Rolen

@ZohaibRoy

⭐⭐⭐⭐⭐ Professional Testing for Your Social Web App ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project details and see you're looking for a tester for your social web app. Look no further; Zohaib is here to help! My team has handled 50+ similar projects, focusing on multi-user and collaborative applications. I will conduct thorough exploratory and regression testing to ensure your app runs smoothly before launch. ➡️ Why Me? I have 5 years of experience in QA testing for real-time and multi-user applications, specializing in collaborative tools and social platforms. My expertise includes testing multi-user flows, data isolation, and ensuring mobile responsiveness. I’m well-versed in creating detailed bug reports and test plans, providing you with clear insights for improvements. ➡️ Let's have a quick chat to discuss your project in detail. I can share samples of my previous work and how I can add value to your app. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Multi-User Testing ✅ Exploratory Testing ✅ Regression Testing ✅ Bug Reporting ✅ Mobile Web Responsiveness ✅ Data Isolation Checks ✅ User Interaction Flows ✅ Test Case Creation ✅ Real-Time App Testing ✅ Clear Communication ✅ Supabase Familiarity ✅ Device/Browser Matrix Documentation Waiting for your response! Best Regards, Zohaib

@offshore9006

We have executed multiple Testing assignments; some of them via Freelancer. Please find attached the following for your reference. https://www.freelancer.com/projects/testing-qa/test-mobile-app-certain-change/ https://www.freelancer.com/projects/php/mobile-app-website-bug-testing/#timetracker-179031618-invoice-0 You will be working directly with the tester with the following skill set. have 7+ years of testing experience with Certification. Have worked with English, American, Danish and Japanese Clients Have testing experience in domains like Healthcare, Client Relationship Management, Entertainment and Survey research. Expertise in : • Website and Mobile App Testing • Highly proficient in UI/UX Testing • Usability Testing, Cross Browser Testing • Analysing Requirement • Bug Report • Test Plan, Test Scenarios, Test Cases and Test Closure Report Creation • Designing Ideas to create Wire-frames • Can do a retrospective analysis of your organisation for process improvement • Have experience in Requirement writing and also 'User Manual' writing. • Working Knowledge of - HTLM, CSS, JavaScript, and Selenium. - Thanks, Raman

@teodorgeorge

Hello, waypoint I test realtime social apps with multi-account flows, chat, shared state, and mobile browsers. On a collaborative planning app, I found a stale presence bug where one user accepted an edit but another kept outdated state. I will run an exploratory and regression pass on sync conflicts, group chat, DMs, friends, and Supabase RLS style data isolation. I will verify private access by testing direct URLs, API calls, account switching, and cross-user membership cases. Sporadic work is fine, and I can return for short focused passes as new features ship. Best regards, Teo

@krupnovdenis

Hello! We can cover the exploratory and regression testing for your realtime multi-user app. 1. Are you open to working with an external contractor for this ongoing testing? 2. Which flows should we prioritize first: sync/conflict, chat, or data isolation? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!

@umairdev101

I am an experienced QA engineer with a strong background in testing realtime collaborative applications built on Next. js and Supabase. I specialize in identifying race conditions and synchronization issues inherent in multi user social apps. For your project, I will perform comprehensive manual and regression testing to ensure seamless data persistence and state management via Supabase real time subscriptions. I have extensive experience testing WebSocket connections and multi user interactions across desktop and mobile browsers to ensure a bug free experience for your users. I can start immediately to help you polish your social web app for production. Are you available for a brief chat to discuss the specific user flows you want prioritized for this testing phase?

@Tanmoy236

waypoint Hello! I'm a QA engineer with over 9 years of experience testing realtime, multi-user applications, including social platforms, collaborative tools, and chat systems—and I'm comfortable with the sporadic, on-and-off engagement you're looking for. To verify that one user cannot access another's private data, I would: 1. Log in as User A and create a private group or DM thread 2. Log in as User B in a separate browser/device 3. Attempt to access the direct URL or API endpoint for User A's private content 4. Try to manipulate the request (e.g., changing IDs in the URL or payload) to see if User B can retrieve, modify, or delete User A's data 5. Check if any data appears in User B's feed, search results, or notifications 6. Examine network requests to ensure the backend is enforcing RLS (I'm familiar with Supabase RLS) and returning 403/404 errors for unauthorised access 7. Test edge cases like User B being removed from a group but still having a stale token or cached data Could you share the staging environment URL, test account credentials, and any known issues or out-of-scope areas? I'll send the test plan and start exploring once I have access.

@craigd43

waypoint My name is Craig, and my years of experience as a full-stack web developer make me a solid fit for testing your realtime, multi-user social app. I have extensive hands-on knowledge of Node.js and JavaScript which gives me profound insights in testing the core functionality and security aspects of your application. Over my career, I've tested and developed a range of applications similar to yours, from social networking platforms to collaborative tools—meaning I understand the complexities and potential pain points that come with multi-user apps. So, as you search for someone who can pick up tasks on an "as needed basis," without requiring constant supervision, I am that freelancer. I am committed to delivering well-documented deliverables such as regression checklists and bug reports in addition to ensuring effective communication throughout the process. With me as part of your team, you can be sure your app will undergo meticulous scrutiny for a seamlessly enhanced user experience. Let's establish the perfect way forward for testing your revolutionary platform!

@godesignpk

Good afternoon, I can help with your QA testing for the realtime multi-user social app, focusing on multi-user flows, sync/conflict states, and authorization with Supabase Row-Level Security. I will provide a detailed test plan, bug reports with clear repro steps, and a reusable regression checklist for your solo development workflow. I’ve tested collaborative apps with realtime chat and complex data sync, finding edge cases in state reconciliation and data isolation. I ensure testing across mobile browsers on real devices for responsiveness. What devices and browsers do you want covered in your testing matrix? Best regards, Waqas & GoDesign Team

@koolvishruth

Hello, I am QA tester with 7 years of experience. I can do end to end manual and automation testing and report bugs as mentioned. Let’s connect to know more

@hareshfinadiya

Hi, I am Haresh, having 14+ years of experience in Software Testing Industry. - Having unique blend of knowledge in Quality Product Delivery, Processes Management, Functional testing, Integration and regression testing, load and Perfromance Testing which help me to take the Quality of the software to the next level. - Hands on experience on testing Desktop, Web Based, Mobile application and ERP based application. - Hands on experience on automation testing tools on selenium webdriver, jmeter, katalon studio, Appium, cypress, selenium with TestNG freamwork etc.. - Thorough understanding of Product Delivery Life Cycle, Software Testing Life Cycle and Software Development Life Cycle. - Experience in Well conversant with writing Test plan,Test Cases,Bug report, Release Note and Product Health Report. - Worked in various domains like Finance, Retail, Web Portals, Healthcare, ecommnerce, CMS, Eduction Portal, Life Insurance, ERP system etc. - I do have require mobile devices to test mobile view or applications like android and iOS applications. - I have hands on experience with Git, postman, MSSQL Server. Kindly review my profile and let me know you view over the same. Thanks, Haresh

@muhammadsaad90

Hi, waypoint I can help you perform a deep QA pass on your social web app with a focus on realtime collaboration, multi-user workflows, and security validation. I’ll test critical areas like shared-state conflict handling, chat, connections, presence logic, responsive behavior, and authorization issues including data isolation checks with Supabase RLS if applicable. My approach includes a structured test plan, detailed bug reports with clear reproduction steps, screenshots, severity levels, and a reusable regression checklist for future releases. I’m comfortable with an occasional QA engagement and can provide focused testing whenever you ship new features or move closer to launch. Best Regards, Muhammad Saad K

@sheikhmateen

waypoint I run a technical team that includes dedicated QA, so this isn't a one-person exploratory pass, it's someone who can dig into the sync/conflict flow and RLS boundaries with the same depth you'd want, backed by engineers who understand realtime multi-user architecture if something needs deeper investigation. On a voice ordering system we built, multiple concurrent calls hit shared order state, and the interesting bug wasn't a crash, it was a race condition where two updates landed in the wrong order and silently overwrote each other instead of erroring. Same class of bug as your shared-state sync/conflict flow. To verify one user can't access another's private data, we'd go past the UI and test the API and database layer directly. Try requests with a different user's session token against endpoints that should be scoped to them. If you're on Supabase, we'd read every RLS policy line by line, then try to break it under edge cases like shared group membership changes or account deletion, not just confirm it exists. Availability works for sporadic engagement, an initial focused pass now, then picking it back up whenever you ship something new. No steady hours needed on either side.

@markupdudes

Hey, I’m excited to dive into your realtime multi-user social app and bring a professional eye to your QA testing. Having deep experience with web development and regression testing, I understand the intricacies of multi-user flows, shared state sync, and presence logic deeply essential for your app’s collaborative core. I’ll craft a detailed test plan and reusable regression checklist, ensuring issues like state conflicts, authorization breaches, and real-time updates are spot-checked across devices. I appreciate the sporadic nature of this engagement and can offer the flexibility needed to align with your launch milestones smoothly. Looking forward to exploring those edge cases and helping you launch confidently. I’ll start immediately and deliver thorough documentation and bug reports. waypoint noted! Can you share your biggest challenge with syncing multi-user state so far? Thanks,

@zainulhassan1695

waypoint Hello, I’m a QA Engineer with 6+ years of experience testing complex web applications, including multi-user workflows, real-time interactions, API validation, regression, and exploratory testing. I understand that collaborative applications require validating synchronization, concurrency, authorization, and edge cases beyond standard functional testing. One interesting issue I found involved stale shared state where concurrent user actions caused inconsistent data between sessions due to delayed synchronization. It was reproducible through parallel user actions and helped improve conflict handling. To verify data isolation, I test with multiple accounts, attempt direct URL/API access to restricted resources, validate authorization boundaries, inspect network requests, and confirm users cannot access private groups, DMs, or other users’ data. I’m familiar with the principles of Supabase Row-Level Security and authorization testing. I’ll provide a structured test plan, detailed bug reports with screenshots/videos, exploratory notes, device/browser coverage, and a reusable regression checklist. I’m available for long-term, on-demand collaboration and can start with the initial testing pass immediately. Best regards, Zain Ul Hassan

@sanaakhlaq

Waypoint It sounds like the multi-user interactions, particularly the sync/conflict flow, will be critical for ensuring a smooth user experience. With 5+ years of experience in testing real-time, multi-user applications, I understand the importance of validating complex user interactions and data security. I will be diligent in verifying authorization across the app, ensuring users can’t access data of other users. I appreciate your approach to this project, and I am more than happy to engage with you on an as-needed basis as you roll out new features. Let’s connect to discuss the specifics of the app further and commence with the testing. Best Regards, Sana Akhlaq

@melopgabriel

Hi, waypoint , your app is exactly the kind of QA pass that needs real multi-user testing, not just form checks. I understand the focus: realtime collaboration, shared-state conflict handling, chat, permissions, and mobile reliability before launch. I’ve tested collaborative and realtime products before, including flows where multiple logged-in users interact at once and where authorization mistakes can expose private data. I’m comfortable writing clear repro steps, severity notes, and practical regression checklists that a solo founder can reuse. My approach would be to start with a focused exploratory pass on your highest-risk journeys, then verify edge cases around sync/conflict behavior, presence, messaging, and Supabase RLS/data isolation. I’d also build a device/browser matrix and capture anything that breaks on mobile. If this is the right fit, I’d be glad to help you tighten the app before you open it up. Best regards, Gabriel