Engineering Assistant Platform Development

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in Android, Flutter, Mobile App Development, Software Development, Web Development, REST API, Backend Development, Dart, Python As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@diektech

Hi, I’m Elias, a Miami-based senior software engineer with 20 years of experience in web and mobile app development. I understand you’re looking to create an engineering assistant platform. Your goal seems to be developing a robust solution to efficiently support users in their engineering tasks. I have built similar systems, focusing on secure architecture, responsive UI, scalability, and performance. My approach to your project would involve a few key phases: 1) Understand the business workflow and technical requirements. 2) Design the user experience and system architecture. 3) Develop the core features and necessary integrations. 4) Conduct thorough testing before deployment. 5) Provide post-launch support to ensure smooth operation. Could you please clarify the following questions to help me better understand the project? 1) What specific engineering tasks will the platform assist with, and how do you envision the user workflows? 2) Are there any third-party integrations required, such as APIs or data sources? 3) What user roles will be defined, and what permissions should each role have? I’ve built similar systems before, though most were completed under NDA, so I can’t share them publicly. I’d be glad to discuss the architecture and features in detail. One extra value I can provide is a scalable architecture that allows for future enhancements without major overhauls.

@Herculesz

Hi, Completing the final stage of a nearly finished platform requires precise understanding of the existing architecture and data flows. The main engineering risk lies in ensuring seamless integration between local JSON storage, the FastAPI backend, and the Flutter/Android frontend without introducing regressions. I usually structure work on legacy or in-progress platforms by first mapping the current codebase and data dependencies to isolate the remaining tasks clearly. My experience in Custom Feature Development & Integration involved similar codebase deep-dives and delivering stable, well-documented enhancements. I typically design separation between backend API logic and frontend state management, ensuring local data synchronization with remote services is robust and testable. This approach helps reduce integration friction and unexpected side effects. I would first validate data consistency mechanisms between local directories and Firebase, as well as clarify any platform-specific feature gaps before implementation. Systems I build are intended for maintainability and long-term production use, with clear documentation and testing to support future iterations. I can outline the final ingestion and synchronization pipeline and review the integration points between backend and Flutter frontend. Thanks, Hercules

@ZohaibRoy

⭐⭐⭐⭐⭐ Complete Your Software Platform with an Experienced Developer ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for an experienced developer to complete your software platform. You have no need to look any further; Zohaib is here to help you! My team has successfully completed over 50 similar projects, ensuring efficient delivery and quality. I will carefully analyze your remaining tasks and utilize my skills to finalize your platform within the budget. ➡️ Why Me? I have 5 years of experience in software development, specializing in platforms like yours. My expertise includes Flutter, Dart, Python, and FastAPI, ensuring a strong grip on both front-end and back-end development. I can efficiently handle the remaining tasks and will ensure the platform is fully functional. ➡️ Let's have a quick chat to discuss your project in detail. I can share samples of my previous work and explain how I plan to complete your platform efficiently. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ Flutter Development ✅ Dart Programming ✅ Python Development ✅ FastAPI Framework ✅ RESTful APIs ✅ Android Development ✅ Firebase Hosting ✅ JSON Data Handling ✅ Local Server Setup ✅ Project Management ✅ Task Automation ✅ Code Optimization Waiting for your response! Best Regards, Zohaib

@C0RETECHIES

Hello, System understanding: The platform is a Flutter/Dart Android app and Firebase‑hosted site that talks to a local Python/FastAPI server via ngrok, with data stored in local JSON files via custom Windows directories. Fewer than ten tasks remain, mainly UI polish, API completion, storage reliability, and tunnel stability. Technical approach: Finish Flutter UI state management, add missing FastAPI routes with validation, make JSON storage atomic and fault‑tolerant, add ngrok auto‑reconnect, and test core flows. Update Firebase hosting and confirm Android build. Core modules: 1) Flutter UI - polish screens, navigation, error handling. 2) FastAPI - finish CRUD/auth endpoints, logging. 3) JSON storage - robust read/write with backup. 4) Ngrok wrapper - health‑check and auto‑restart. 5) Firebase deploy - script for hosting update. Relevant systems: Bison360 ERP (Flutter + Spring Boot) - Flutter/backend integration; StepOut Live (Flutter + Laravel) - Flutter app with REST API; SecureCom (Flutter + Laravel) - secure local data handling. Implementation strategy: Backend API first, then Flutter integration, storage reliability, ngrok automation, finally Firebase deploy. Validate each step with QA. Questions: 1) What auth/authorization is needed for the API? 2) Expected JSON file size/frequency and need for versioning/backup? 3) Preferred ngrok token/tunnel management (service vs manual)? Regards, Rohit

@starttechno

I’d begin by tracing the REST path from the Firebase website through the ngrok-connected FastAPI server, then verify the Flutter/Android flows that read local JSON and Windows directory mappings. The brief’s page 3 confirms this mixed environment, so I’ll preserve the existing setup rather than introduce unnecessary infrastructure. After the NDA, I’ll review the fewer-than-10 tasks and acceptance criteria, complete the remaining backend, REST, Flutter, or Android changes, and return the finished platform changes within 3 days. I’ll focus on the actual gaps in the existing codebase and validate each item against the stated acceptance criteria. Can you provide the NDA and current repository/environment access first? Muhammad Saad

@Hubready

Hello!, I am a US-based senior software engineer and I’d be glad to help build your Engineering Assistant Platform in a way that is clean, stable, and easy to extend. The main risk in projects like this is not just building it, but making sure the workflow actually helps the engineering process instead of becoming another tool people avoid. I can help turn this into a practical Flutter + FastAPI solution with a clear backend structure, REST APIs, and a mobile-first UI that feels fast and reliable. My approach: 1. Review the exact workflows and define the core user actions 2. Build the backend/API layer and data model cleanly 3. Develop the Flutter app with a simple, usable interface 4. Test, refine, and make sure it is production-ready I pay close attention to requirements, because that is usually what separates a decent build from the right one. If there are specific engineering tasks, approval flows, file handling, notes, or role-based access needs, I’ll design around those from the start. Could you please clarify the following questions to help me better understand the project? 1. What are the top 3 user actions the platform must support on day one? 2. Do you already have wireframes/branding, or should I help define the app structure? 3. Will this need login/roles, notifications, or file/document uploads? Relevant work includes mobile/web systems for internal ops dashboards, FastAPI-based workflow tools, Flutter companion apps, and API-driven SaaS platforms.

@gotucat

Hi, I reviewed the project and understand that the main requirement is completing the final fewer-than-10 tasks in your existing Engineering Assistant Platform within the current codebase. I can review the shared acceptance criteria after the NDA, then work across the Firebase website, Flutter and Dart Android application, REST API, Python, and FastAPI backend. I’ll carefully maintain the local JSON files, custom Windows directories, ngrok connection, and existing platform behavior while completing and testing the remaining work. I value clean implementation, responsive communication, and easy progress tracking, with focused attention to the under-20-hour senior scope. Let’s discuss here now.

@denisSolution

Hi, I'm Denis, a full-stack developer experienced in completing multi-platform systems with Flutter, FastAPI, and Firebase. I understand you're finalizing your platform and need someone to wrap up remaining tasks. Your foundation is solid—Flutter mobile, FastAPI backend, Firebase hosting, and local JSON storage via ngrok. My experience with similar architectures means I can move quickly without rebuilding understanding of your system. I'd start by reviewing the scope and codebase under NDA to confirm exact requirements. Then I'd prioritize tasks by dependencies and impact. This likely includes finalizing API endpoints, resolving Flutter-backend integration points, handling edge cases in data flow, and aligning the Android build with your web platform. Testing and deployment follow naturally. A key focus: data consistency between your JSON storage and Firebase layer. I'd ensure synchronization handles conflicts gracefully and maintains reliability during final integration. The main risk is unclear acceptance criteria. I recommend we define exactly what "done" looks like for each task upfront to avoid scope creep. I'm available to start immediately. Let's discuss the details. Thanks, Denis.

@toriquldev123

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you & I can dive into your project immediately.I have rich experience in Flutter, Dart, Android, Firebase, REST APIs, Python, FastAPI, JSON-based systems, debugging, and completing partially built platforms. I have some questions: 1. Which CRM are you currently using, and do you already have the required API/integration credentials? 2. Do you have a preferred WordPress builder such as Elementor, Divi, or Gutenberg? 3. How many landing pages are you planning to build after the pilot page? I am skilled in Flutter, Dart, FastAPI, Python, REST APIs, Firebase, Android, JSON data handling, debugging, and existing codebase completion. I understand you need a senior developer to complete fewer than 10 remaining tasks across your Flutter/Android frontend, Firebase hosting, FastAPI backend, and local server environment. I can review the existing codebase after the NDA, identify the remaining work, implement only the required changes, and validate everything against your acceptance criteria without unnecessary rewrites. I’m ready to start immediately and would be happy to discuss this project. Looking forward to hearing from you. Best regards, Md Toriqul Islam

@crtvecode

I see you're looking to wrap up the final stages of your platform, which is already quite advanced. I can help you with those remaining tasks, particularly focusing on the integration between your Firebase backend and the Flutter front end. And I’ll check the communication between the REST API and local JSON files, which is likely where the bottleneck is occurring. I can have the work done first, so you can test everything before making any payment or awarding the project, you’ll only pay when you’re satisfied with the results. My bid for this is $94, and I can go ahead and start immediately. Looking forward to helping you kind of complete your project. Rajavel – Flutter, Firebase, and Python Developer.

@Eliteinno

The completion stage seems to hinge on a mix of frontend finalizations in Flutter/Dart and backend tasks in Python with FastAPI. Given the current setup using Firebase, Android, and local JSON directories, focus will likely be on aligning data sync and REST endpoint efficiency. Ensuring the ngrok setup remains stable may also be key. Is there a specific task among the remaining that you anticipate being the most challenging or critical to the platform's release?

@extreamcode

Hi, You’re not looking for a new build, you’re trying to close the last gaps without destabilizing an 85-95% finished platform. That’s exactly the kind of final-stage work I handle well. I’ve worked across PHP, REST APIs, Python/FastAPI, Firebase-connected apps, and deployment workflows, so I can help review the remaining tasks, trace the current implementation, and finish the last pieces cleanly across the web platform and Android/Flutter side. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. If you share the NDA scope, I’ll quickly assess the codebase, identify the final blockers, and propose the safest way to complete it. What are the exact remaining tasks, and which parts of the Firebase, FastAPI, or Flutter codebase are most fragile right now? Sincerely, Asad

@pinkeegupta

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)

@vishal1145

Your platform's reliance on ngrok for production traffic and local JSON storage will create single-point-of-failure risks once you scale past 100 concurrent users. If your local server goes offline, the entire system becomes unavailable. Quick questions - are you planning to migrate to cloud-hosted storage before launch? And does the Android app handle offline mode when the ngrok tunnel drops? Here is the architectural approach: - FLUTTER/DART: Audit existing state management and API error handling to ensure graceful degradation when backend connectivity fails. - FASTAPI/REST: Review endpoint authentication, rate limiting, and logging to prevent unauthorized access and diagnose production issues quickly. - PYTHON BACKEND: Refactor local JSON dependencies into a transactional data layer that supports future migration to PostgreSQL or Firebase Realtime Database. I've completed 8 similar "last-mile" builds where inherited codebases had hidden architectural debt. Let's schedule a 15-minute NDA call so I can review your codebase and confirm the actual scope before you commit budget.

@shadabkhan92

Being an experienced developer with a diverse skill set, I believe I can play a crucial role in completing the final stage of your platform's development. My proficiency in Android, Python, FastAPI and web development, especially with tools like Flutter and Dart, will ensure a smooth integration between your existing components. One of our key strengths is our expertise in working with similar platforms to provide agentic AI systems that function seamlessly within varying workflows. From your detailed project description, it's clear that you need someone who understands these dynamics and can diligently handle the remaining tasks in less than 20 senior hours. I assure you that we have the required foresight to estimate budgets effectively without ever compromising on quality. Additionally, my familiarization with local manual directories such as those used in your setup will help streamline the process further. Furthermore, as you mentioned the importance of confidentiality agreements, rest assured that we value and prioritize the security of our client's information. With me on board, you will have not just a skilled developer but also a committed partner who can comprehend and deliver exactly what your platform needs at this final phase. So let's connect to take this project forward!

@Azursol

Dear , I understand the importance of completing the final stage of your Engineering Assistant Platform development project. As an experienced developer with expertise in Python, Mobile App Development, Android, Dart, Software Development, Web Development, Backend Development, Flutter, FastAPI, and REST API, I am confident in delivering the outstanding results you seek. With a proven track record in completing similar projects, I am well-equipped to handle the remaining tasks efficiently. My portfolio showcases successful projects that highlight my skills and experience in platform development. My approach involves a meticulous step-by-step process to ensure the seamless completion of the remaining tasks. Additionally, I recommend implementing a streamlined data storage solution to enhance performance and scalability. Let's discuss how I can contribute to bringing your project to fruition. Looking forward to collaborating with you. Best regards,

@cliftonc20

Hi, The platform’s hybrid architecture combining Firebase-hosted frontend and local Python/FastAPI backend with JSON file storage presents an interesting integration challenge. The main technical risk is ensuring reliable data consistency and synchronization between local directories and the cloud-hosted components under the current ngrok tunneling setup. I’ve led the design and implementation of a FastAPI backend with complex ingestion pipelines and local/cloud data orchestration in the DocIntel AI project, which shares similar integration complexities. Additionally, my work on Dent-Cloud involved building scalable REST APIs and managing data flows between frontend and backend services. I typically design systems by separating ingestion, processing, and frontend layers clearly, enabling independent testing and scaling. Early validation of the local-to-cloud synchronization and API reliability will be key. To ensure production readiness, I focus on monitoring, retries, and idempotency for data sync operations to minimize data loss or inconsistency. I can start by reviewing the current ingestion and synchronization architecture and defining the first technical milestone to complete the remaining tasks. Thanks, Clifton

@AndrewJSMAN

I’ve built and maintained Flutter/Dart Android apps with Firebase and FastAPI backends before, so this is right in my wheelhouse. I’ll review the codebase, scope, and environment setup under NDA, then complete the remaining tasks—likely 5–10 discrete fixes or enhancements—within the 20-hour estimate. Workflow will be: debug/validate existing components, implement missing features, test against Firebase/ngrok/local JSON storage, and document changes. I can start immediately. Thanks, Andrii.