Flutter/Native Overlay and NestJS Backend

@AwaisChaudhry

Hi, I’m Muhammad Awais. I’m excited to help you deliver the Guarantee Overlay and NestJS backend with a strong offline-first flow, reliable uploads, and a clean admin/config experience. I will adapt the provided FlutterBridge, DualCam, and overlay UI to give you a Flutter/Native overlay that activates 60 minutes before events, captures selfie, outfit, context video, background location, and dictation audio with AI classification. The backend will be the single source of truth, with endpoints for start/status/step-complete/forfeit/finalize and versioned TimelineConfig. I’ll implement provider abstractions for Recognition and Dictation that can swap between cheap mocks and real services via config, ensuring a cheap-mode Phase 0 proof with full end-to-end coverage and offline resilience. The app will resume cleanly after kill/reopen, retry uploads automatically, and store media in S3 with strict retention. Admin web editor will support drag/drop timeline events, versioning, and live preview. A Redis-based Appeals/Agent workflow, with two-agent scoring and a tiebreak, will drive decisions and actions. I’ll deliver tests, Docker setup, README, and demo videos to prove every block works. Can you confirm the following: What are the exact providers and constraints for recognition/dictation in production and the rules for switching in cheap mode? What are the exact data models and endpoints for GuaranteeSession and TimelineConfig in NestJS, including versioning and migrations? Wha

@corpmember29

HELLO, I READ YOUR REQUIREMENTS CAREFULLY AND UNDERSTOOD THE PROJECT SCOPE VERY WELL, AND I WILL START WORKING ACCORDINGLY IN STAGES. I have 10+ years of experience in full-stack development, including Flutter/Native mobile apps, NestJS backends, real-time workflows, offline queue management, and AI integrations, and can deliver the Guarantee Overlay system you are looking for. Mobile Overlay: Implement Flutter/Native capture flows (selfie, outfit, video, location, audio), FAB menu, step indicators, offline queue + resumable uploads, pulsing cues, “Ah Shucks” modal, distance/ETA adjustments, and event-driven notifications. Backend (NestJS): Domain modules for GuaranteeSession, TimelineConfig, Evidence, CaseFile, Agent/Team, Appeals, Decisions, Metrics; endpoints for /start, /status, /step-complete, /forfeit, /finalize; Redis queues for appeal dispatch and tiebreak logic; S3 media storage with least-privilege and configurable retention/wipe. Admin Timeline Editor + Live Preview: Drag/drop timeline, cadence, messaging, sounds, versioned configs, simulator for overlay behavior. POC Phase 0 “Cheap Mode Gate”: Full end-to-end state machine using deterministic mocks, config-only provider swap, RecognitionProvider & DictationProvider abstractions. Testing & QA: Automated tests for offline resume, delayed uploads, idempotency, UTC/timezone handling, and edge cases; Dockerized backend with README; demo videos for all acceptance criteria.

@deepbansal1111

Hello, I’ve reviewed the Guarantee Overlay task doc carefully and I’m confident I can deliver this end to end while meeting every non-negotiable acceptance requirement. I have strong experience building state-driven mobile systems with Flutter and Native bridges, backed by NestJS services that act as the single source of truth, with a heavy focus on reliability, offline behavior, and reproducibility. I’m comfortable implementing the full overlay flow: timed activation, evidence capture (selfie, outfit, video, audio, location), FAB-driven UI cues, enforced Final Call behavior, and resilient offline + kill/resume handling with idempotent, delayed uploads. I fully align with the Phase-0 “Cheap Mode Gate” and will design strict provider abstractions so recognition, dictation, and notifications can be swapped via config only, with deterministic mocks proving the full system before gold wiring. If granted repo access post-acceptance, I can adapt your existing components quickly; otherwise I’m comfortable executing this greenfield to the same standard. I’m ready to start immediately and align tightly with your M0–M3 milestones.

@Julian29

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT. I have 11+ years of proven experience in Flutter/Native mobile overlays and NestJS backends, and I confidently understand your goal: to deliver a robust, offline-resilient evidence capture overlay with admin timeline control and full backend orchestration. Core features: -->> Mobile overlay with selfie, outfit, video, location, and audio capture -->> Offline queue, kill/resume, delayed/resumable uploads -->> Admin timeline editor + live preview with distance/ETA adjustments -->> NestJS backend: GuaranteeSession, Evidence, CaseFile, Agent/Team, Appeals, Metrics -->> Redis-based agent workflow with scoring, tiebreak, auto execution -->> Push + Twilio SMS/voice notifications with configurable caps -->> Provider abstractions (RecognitionProvider, DictationProvider, NotificationProvider) with config-only swapping Approach: Clean architecture, secure APIs, efficient chunked/resumable uploads, provider abstractions, and agile workflow. I’m available in chat to clarify integration details, cheap-mode gating, and S3 retention policies before proceeding. Thanks, Julian

@JijoThomas2020

Hi, I am a Flutter developer and have extensive hands -on experience in building mobile apps using Flutter, so I would deliver the quality work tailored to your docs. Also have worked on several NestJS backends, I would be happy to work on this project. Looking forward to being able to work with you!

@asifalimzd

Hi there, I can help you implement the Guarantee Overlay system end-to-end, including the Flutter/Native overlay with selfie, outfit, video, location, and audio capture; offline queue + resumable uploads; NestJS backend with domain coverage and Redis-based appeal workflow; and the admin timeline editor with live preview and role gating. I’ll follow your provided DeepLink FlutterBridge and DualCam standards, ensure config-only provider swapping for Phase 0, and deliver the required demo videos and tests for full acceptance. Kindly send me a message to discuss access to the shared components, timeline expectations, and any additional project rules so we can start. Thanks!

@rbtech1984

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Full end-to-end overlay plus NestJS backend with offline resilience and config-only provider swapping ))⚜⭐⭐⭐⭐⚜ Your project is a high-quality, rules-driven guarantee overlay with strict acceptance criteria, including offline capture, kill/resume, delayed uploads, and a versioned admin timeline editor. The key is delivering a reliable Flutter or native overlay integrated with a NestJS backend as the source of truth, with configurable provider swapping and full demo proof videos. I have strong experience building Flutter modules with offline queues, resumable uploads, and clean state machines, plus NestJS backend systems with queues and role-based workflows. I will structure the overlay with provider interfaces for Recognition, Dictation, and Notifications, so cheap mode and gold wiring work without code changes. My approach is to deliver a working Phase 0 end-to-end system first, then wire real providers and finalize the appeal workflow. Top 3 features: • Offline capture, kill/reopen resume, delayed upload reliability • Versioned timeline editor with live preview and rules • NestJS source of truth, Redis appeal queue, S3 retention and wipe If you want a clean milestone plan and timeline, I am ready to discuss and start immediately. Warm Regards, Farhin B.

@DeveloperStation

Hi there, We’ve developed similar solutions using Flutter and NestJS, including a web app that captures video and audio for live events, with features like offline uploads and scheduled reminders. We also built a fully compliant web app for a US-based startup that required extensive video processing and AI-driven features. We can adapt existing components to save time and deliver a more polished product. We also prioritize backend security and performance, ensuring that the frontend is only as strong as the backend. Let’s schedule a 10-minute call to discuss your project in detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil

@a4logic

Hello, With over a decade of experience, our team at Our Software has garnered an impressive degree of expertise in mobile app development - particularly where cutting-edge technologies such as Flutter and Native are concerned. Not only this but we have also mastered the backend management with NestJS. This wealth of expertise makes us the ideal candidate for your task as it demands both frontend and backend proficiency. We value the adherence to quality-standards which your project incumbent has furnished. Given that we follow a similar commitment, this guarantees a seamless integration of DeepLink FlutterBridge, DualCam, and parts of the overlay UI ensuring their utmost compatibility with your project work. We understand that guaranteeing an unwavering presence in this task is quintessential to its success. With our work commitment, you can expect 24/7 availability and constant communication throughout the project duration. Moreover, we offer complete source code ownership, ensuring that all your data would remain confidential and protected post-project completion. At our core, we believe in refining technology to make lives easier; hence your project's objective to automate evidence capture from selfies, videos to audio dictation resonates closely with us. The ability to successfully ensure offline usability, provide a seamless resumption after app kill/reopen and reliable upload retries despite fluctuations in connectivity are Thanks!

@codefusion53

Hi I can develop the full Guarantee Overlay system, delivering a Flutter/Native mobile overlay, NestJS backend, and admin timeline editor with live preview, offline capture, resumable uploads, and provider-configurable AI/Dictation/Notification modules. My approach ensures end-to-end compliance with your phase milestones, including Phase 0 “Cheap Mode Gate” proof-of-concept and full gold wiring with S3 retention, Twilio push/SMS/voice fallback, and agent-scored appeal workflows via Redis queues. The mobile overlay will guide users through evidence capture (selfie, outfit, video, audio + AI classification, location), with responsive UI cues (FAB menu, pulsing next-step indicators, toasts, “Ah Shucks” modal), all working offline with kill/resume logic and delayed uploads. The NestJS backend will serve as the source of truth for GuaranteeSession, TimelineConfig, Evidence, CaseFile, and Agent workflows, with versioned configs, CRUD endpoints, and audit-compliant state management. I will provide automated tests for offline/kill/resume flows, idempotency, delayed upload logic, and UTC/timezone correctness. Deliverables include Dockerized backend, README, and demo videos proving all required behaviors. This solution is fully production-ready, maintainable, and scalable, with clean abstractions for easy provider swapping. Best, Justin

@DngPhgNam

✅Hi there, hope you are doing well! I have extensive experience in building complex Flutter and NestJS applications, successfully delivering high-quality overlays and backend systems for various projects. My previous work includes developing a fully functional event management app that integrated various components, similar to what you're describing. To successfully complete this project, it’s crucial to ensure seamless integration of the Flutter overlay with a reliable NestJS backend while adhering to the specified quality standards and functionalities. My expertise ensures that I can deliver on these parameters effectively. I will adapt the existing resources and components efficiently, ensuring the overlay captures evidence accurately and complies with your timeline configurations and offline functionalities. I'd like to work on this project sincerely from my confidence. Let's connect and discuss more.

@SBITServices

Hi Nick, To successfully complete this project, I will first thoroughly review the provided Task Doc and available resources. I will then adapt the DeepLink FlutterBridge, DualCam, and overlay UI components as per the project requirements. I will ensure the implementation of the mobile overlay, timeline configuration, offline reliability, backend development in NestJS, appeals workflow, and notifications. Let's discuss further details in chat. Regards, Sai Bhaskar

@ahsaans

I’ve reviewed the Guarantee Overlay task in detail and understand that this is a robust, reliability-critical system, not a greenfield app. I work primarily with Flutter (including Flutter/Native integrations) and am comfortable adapting existing high-quality components rather than rewriting them. On the mobile side, I can implement the overlay flow in Flutter, including timed activation, step-driven evidence capture (selfie, outfit photo, video, audio, location), offline-first behavior, kill/reopen resume, delayed uploads, and responsive UI cues exactly as specified. I have experience designing state-machine–driven flows to ensure idempotency, correct outcomes, and zero data corruption across edge cases. I’m also comfortable working with a NestJS backend as the source of truth, following strict contracts, versioned configs, and provider abstractions (cheap vs gold mode) with config-only swaps. Admin timelines, live previews, and deterministic POC validation are well aligned with how I structure development and testing. I understand the non-negotiable acceptance criteria, including required demo videos, offline proofs, and end-to-end reproducibility. I’m happy to sign an NDA and can start by adapting the provided Flutter components to reach Phase 0 (Cheap Mode Gate) quickly and correctly.

@draganm59

Hello Nick V., I hope this message finds you well. I am excited about the opportunity to work on your project involving the Flutter/Native Overlay and NestJS Backend. Your comprehensive project description and focus on quality standards resonate with my own approach to development, ensuring robust and maintainable solutions. With extensive experience in mobile app development and Flutter, I have successfully integrated complex overlays and backend systems in previous projects. I understand the critical requirement of activating overlays pre-event and ensuring seamless evidence capture, all while maintaining optimal performance and user experience. My familiarity with NestJS will be instrumental in developing a reliable backend that acts as the source of truth for your application, managing sessions, timelines, and evidence with precision. My approach will involve leveraging the available components like DeepLink FlutterBridge and DualCam, adapting them to fit your specific needs. Emphasizing offline functionality and ensuring smooth recovery from interruptions will be key priorities. Additionally, I'll implement a flexible configuration system to allow for efficient provider swaps and timeline adjustments. I am keen to bring this project to life, ensuring that each feature from the admin timeline editor to the appeals workflow is executed with attention to detail and reliability. Let's collaborate to deliver a solution that meets your expectations and supports your vision for the app. Looking forward to the opportunity to contribute to your project. Best regards, Dragan M.

@mehranriaz0

Greetings, Your project for creating a Flutter/Native overlay coupled with a NestJS backend sounds fascinating. You need a robust mobile overlay that efficiently captures evidence in real-time while managing timelines and workflows through an admin interface. My approach would involve leveraging the provided components and ensuring they align with your quality standards, while also focusing on a seamless user experience that captures all necessary evidence, even in offline scenarios. With my experience in mobile app development and backend integrations, I can help you build a solid foundation for this project, ensuring reliability and responsiveness. The emphasis on a well-structured backend, alongside the ability to manage appeals and notifications, is something I've tackled in past projects. I'm excited about the opportunity to bring your vision to life. Best regards, Mehran Riaz

@danylop55

Hey there, Quick confirmation first: do you expect this to be delivered by one senior engineer end-to-end, or are you open to a lead + short-term support if needed for video proofs and QA? I’ve built state-machine–driven mobile + backend systems with offline capture, kill/resume, delayed uploads, provider abstraction, and queue-based review workflows. This spec is heavy, but it’s coherent, and the acceptance criteria are clear. I’m comfortable owning it cleanly, not cutting corners. How I’d approach it: Overlay (Flutter/Native): deterministic state machine, offline-first queue, resumable uploads, strict idempotency, kill/reopen safety Phase 0 Cheap Mode: full end-to-end with config-only provider swaps (Recognition, Dictation, Notifications), no gold wiring yet Backend (NestJS): versioned TimelineConfig, GuaranteeSession as source of truth, Redis-based agent dispatch with scoring + tiebreak Admin Timeline Editor: drag/drop, snapping, versioning, live simulator without real events Reliability: UTC-safe timing, delayed upload windows, corruption recovery, authoritative outcomes only Proof: all required demo videos recorded end-to-end per acceptance, Dockerized backend, reproducible local runs I won’t start gold providers until M0 passes fully. Once it does, M1–M3 are straightforward extensions, not rewrites. I can quote greenfield or adapted depending on repo access, and I’m ready to start immediately. Hope to discuss more on chat. Best, Danylo.

@yuliussmayoru

Hello! The big risk here isn’t UI, it’s reliability (offline, kill/resume, idempotency), so I’ll build the overlay as a strict state machine and keep NestJS as the single source of truth. - Overlay: adapt your FlutterBridge/DualCam pieces, FAB flow, pending indicators, toasts, Final Call “Ah Shucks” block - Evidence: selfie, outfit, context video with required prompt, location, audio dictation with pluggable classification - Reliability: offline queue, kill/reopen resume, delayed uploads, dedupe and idempotent endpoints - M0 cheap mode: deterministic mocks, config-only provider swap, RecognitionProvider and DictationProvider with reason enums - Timeline admin: drag/drop snapping, versioning, live simulator, ETA and distance rules and extensions - Backend: NestJS modules and endpoints, Redis appeal dispatch and lifecycle, S3 retention and wipe, Docker README - Proof: all required demo videos exactly as listed If I get repo access and your existing components after acceptance, I can move fast and deliver M0 first in a clean milestone. Warm regards, Yulius Mayoru

@DigitalNightOwl8

Hi There , Good morning! I am skilled mobile programmer with skills including Mobile App Development and Flutter. Please contact me to discuss more about this project. Looking forward to serve you

@khurshid040462

Hi there, I am excited to submit my proposal for the Flutter/Native Overlay and NestJS Backend project. With extensive experience in developing mobile applications and backend systems, I am confident in adapting the provided components to meet your quality standards efficiently. My background in creating engaging UX/UI and reliable backend systems positions me well to tackle the challenges outlined in your detailed task document. I can deliver the mobile overlay within 4 days, ensuring that all functionalities, such as offline evidence capture and admin timeline configuration, are seamlessly integrated. This will include thorough testing to guarantee responsiveness and application reliability. To move forward, I recommend we discuss your specific needs further to finalize the project scope and timeline. Best regards,