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I already have a live Google Apps Script web-app running at the URL above. I now need an experienced Apps Script developer to step in, review the current codebase, and extend or fix its functionality while keeping the existing deployment intact. Key points • All work must be done exclusively in Google Apps Script—no external runtimes. • You will receive access to the current project so you can audit the code, identify pain points, and propose clear improvements. • Final deliverable is an updated, fully tested version of the script re-deployed to the same web-app URL, along with a concise changelog and any setup notes needed for future maintenance. If you’ve built or debugged complex Apps Script web-apps before, I’d love to hear how you would approach tightening the code and adding the requested refinements.
Project ID: 40720067
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41 freelancers are bidding on average ₹984 INR/hour for this job

Hi, I can help you with "Google Apps Script Web-App Enhancement -- 2" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹750 INR in 1 day
8.0
8.0

Your web-app will fail under concurrent user load if you're storing state in global variables instead of using PropertiesService or CacheService. Apps Script's stateless execution model causes race conditions that corrupt data when multiple users hit the same endpoint simultaneously. Quick questions - are you hitting the 6-minute execution timeout on any functions? And what's your current strategy for handling API rate limits from external services? Here is the architectural approach: - GOOGLE APPS SCRIPT: Refactor stateful operations into PropertiesService with mutex locks to prevent race conditions during concurrent requests. - DEBUGGING: Implement structured logging with Logger and StackDriver to trace execution paths and catch silent failures in doGet/doPost handlers. - API DEVELOPMENT: Build retry logic with exponential backoff for external API calls to handle quota limits without breaking the user experience. I've debugged 8+ production Apps Script web-apps that scaled from 50 to 5K daily users. Let's schedule a 15-minute code review call so I can spot the bottlenecks before we commit to changes.
₹900 INR in 30 days
7.3
7.3

Hello, I’m interested in working on your Google Apps Script web application. I have over 7 years of software development experience, including JavaScript, APIs, databases, automation, and debugging existing production systems. I would start by reviewing the current Apps Script codebase and deployment configuration, identifying bugs, performance issues, duplicated logic, and maintainability concerns. I would then implement the requested refinements entirely within Google Apps Script, while ensuring the existing live deployment remains stable. My approach would include careful testing before deployment, error handling and logging improvements, code cleanup where appropriate, and verification of all affected workflows. Once approved, I can deploy the updated version while preserving the existing web-app URL. You’ll receive the updated source code, a concise changelog, testing confirmation, and setup/maintenance notes for future developers. I’m comfortable taking over an existing codebase rather than rebuilding unnecessarily and can start with a code audit as soon as access is provided. Kind regards, Brian
₹1,000 INR in 40 days
5.7
5.7

I understand you need an experienced Google Apps Script developer to take over an existing live web app, audit the current codebase, fix or extend its functionality, and redeploy the improved version without disrupting the existing deployment. I’ll work exclusively within Google Apps Script, first reviewing the current architecture, triggers, functions, data flow, permissions and existing web-app behavior. I’ll identify bugs, bottlenecks and maintainability issues before implementing the requested refinements, while preserving existing functionality and minimizing deployment risk. I’ll test the updated script against the existing workflows and edge cases, verify permissions and integrations, and ensure the final version performs reliably before redeploying it to the same web-app URL. I’ll also provide a concise changelog and clear setup/maintenance notes so future updates remain straightforward. I’m comfortable working within an existing codebase rather than rebuilding unnecessarily, and I’m ready to improve and deliver the Apps Script web app successfully.
₹750 INR in 40 days
5.9
5.9

With over 5 years of professional expertise, I am well-acquainted and proficient in Google Apps Script, precisely what your project demands. My clean, optimized, and maintainable coding approach aligns flawlessly with your expectations to improve on your current web-app whilst preserving the existing deployment. By providing end-to-end support, including a detailed changelog and setup notes for future maintenance, I'll ensure you have everything essential to optimize your project even after our contract ends. Apart from my strong grasp on Apps Script development, my broad skill-set can add value in other areas relevant to your project. My competencies in API integration, database management, and performance optimization are pivotal when working on complex scripts like yours. Furthermore, being a full-stack developer equips me with the versatility to understand and connect both frontend and backend components seamlessly. In a nutshell, I'll bring a unique combination of expertise focused on Google Apps Script along with broader backend skills that can enhance performance and user experience within your web-app. Working with me will not only offer you over five years of professional experience but also continuity in the form of streamlined code for your project's longevity. Let's join hands to create an exceptional product that adds value!
₹1,000 INR in 40 days
5.6
5.6

✓ Available to start immediately and can audit, debug and enhance your existing Google Apps Script web-app without changing the current deployment URL or introducing external runtimes. The priority will be understanding the existing codebase first, identifying the actual pain points, then making targeted improvements without disrupting working functionality. Will handle: Full Apps Script codebase audit Debugging existing functionality and errors JavaScript/GAS logic improvements Web-app UI and server-side refinements Google Sheets/API integrations where already part of the app Performance and execution optimization Error handling and validation Existing deployment preservation End-to-end testing after changes Re-deployment to the same web-app URL Concise changelog and maintenance/setup notes Changes will remain exclusively within Google Apps Script as requested, with the existing structure preserved wherever practical. ✓ Ready to review the current Apps Script project and requested refinements and start immediately.
₹1,000 INR in 40 days
5.2
5.2

Hi, I can review, debug and improve your existing Google Apps Script web app while keeping the current deployment and URL intact. I can handle: Full Apps Script codebase audit Debugging and root-cause fixes Code cleanup and performance improvements Refinement of existing functionality UI/UX and workflow improvements where required Testing across the existing web-app workflows Re-deployment to the same web-app URL Concise changelog and maintenance/setup notes I’ll work exclusively within Google Apps Script as requested and will first understand the current code and deployment before making changes. Ready to review the existing project and requirements.
₹1,000 INR in 40 days
5.3
5.3

Hi, I looked at your requirements and the priority is to improve the existing Apps Script without disrupting the live deployment. I’d first audit the current code and web-app flow, reproduce the existing issues, then make focused changes within Google Apps Script only. I’ll keep the current URL and deployment structure intact, test the updated functionality across the relevant flows, and provide a concise changelog and maintenance notes. The goal is clean, reliable improvements rather than unnecessary rewrites. Quick questions: Q1. Do you already have a defined list of bugs/refinements, or should I identify the main issues during the initial code audit? Q2. Does the app use Google Sheets, Drive, Gmail, or other Google services that the current functionality depends on? These details will help me scope the audit and avoid disrupting existing integrations. Fernando Garcia
₹1,500 INR in 40 days
5.0
5.0

Hi there, The moment I read "Google Apps Script Web-App Enhancement -- 2", I knew it was a strong match for exactly what we do best. What stood out to me is how clearly you’ve described what you want — and clarity like that is where we deliver our very best work. From your brief I can see this involves android — all areas we handle in-house. We specialise in PHP, JavaScript, Android, Google Chrome, which lines up directly with what you need. How we'd approach it: - Finalise the screens, user flows and feature list with you - Build smooth, native-feeling UI with clean, maintainable code - QA on real devices, then prepare and ship to the store(s) - Post-launch support and iteration once you’re live I also noted you don’t need external runtimes — that’s clear, and I’ll keep the work clean and strictly on-brief. Happy to work hourly with transparent time tracking and regular check-ins. From kickoff to final handover, I’ll keep things transparent, on schedule, and squarely focused on your goals. Happy to jump on a quick chat to walk through scope and timelines whenever suits you. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!
₹750 INR in 5 days
4.8
4.8

With nearly two decades of professional experience spanning academia, software engineering, and technology leadership, I am highly equipped to review, enhance and fix the functionality of your Google Apps Script web-app. My recent tenure as a CTO at an AI startup involved leading full-stack web application development, API integrations, cloud deployment, and system optimization, which are all crucial skills for this project. Ihre Professionelle kompetenteITY is no big deal when it comes to code written by me! Moreover, my PhD in Artificial Intelligence means that not only do I have exceptional problem-solving skills but AI tools for document processing, data extraction, recommendation systems and workflow automation are my forte; making me the perfect candidate for tightening your Google Apps Script code while introducing the requested refinements. I am determined to deliver not just an updated version of your script, but one that is fully tested and re-deployed without any downtime. My explicitly Detailed Documentation ensures that future setup or maintenance will be hassle-free. Choose me as your developer and we guarantee a smooth transition while maximizing the effectiveness of your current deployment.
₹750 INR in 40 days
4.6
4.6

Hi, I can step into your existing live Google Apps Script web app, quickly trace the current code and workflows, fix the underlying issues, and extend the functionality without disrupting the existing deployment or web-app URL. My focus would be on making the current script cleaner, more reliable, maintainable, and fully tested—not rebuilding what already works. I can help with: Full Apps Script codebase audit and debugging Refactoring and improving existing functions/workflows Fixing UI, logic, triggers, permissions and deployment issues Adding requested functionality without breaking existing features Performance and error-handling improvements End-to-end testing and same-URL re-deployment Concise changelog and maintenance notes Approach: Audit → reproduce issues → identify root causes → implement fixes → regression test → re-deploy. >>>quick questions: Can you provide the current Apps Script project access? Do you already have a prioritized list of fixes/features? I’m ready to review the live application and start improving it immediately.
₹1,000 INR in 40 days
5.3
5.3

Hello, I can review your existing Google Apps Script web app, understand the current deployment, identify the main issues, and implement focused improvements while keeping the existing deployment stable. I can help with debugging, form handling, data processing, validations, integrations, and interface adjustments. I will first review the current code and provide a clear list of findings, then apply and test the agreed changes. I can start immediately and work with a small, well-defined scope at a competitive rate of INR 750 per hour.
₹750 INR in 10 days
4.0
4.0

The important part here is improving the existing Google Apps Script web app without breaking the live deployment or introducing an external runtime. I’d first audit the current code and execution flow, reproduce the existing issues, then make targeted changes inside Apps Script and validate the deployed version before handoff. My approach would be: Review the existing .gs files, HTML/JS and project structure Trace web-app entry points, server/client communication and data flow Identify duplicated, fragile or unnecessarily complex logic Diagnose runtime errors, authorization issues and failed API calls Refactor only where it improves reliability or maintainability Implement the requested functionality entirely within Google Apps Script Review Properties/Sheets/Drive/other Google service usage where applicable Test authorization, edge cases and existing functionality after changes Re-deploy to the same web-app URL Provide a concise changelog and maintenance/setup notes
₹1,000 INR in 40 days
3.7
3.7

Hi, I can review and improve the existing web app entirely within Google Apps Script while preserving its current deployment URL. I’ll begin by mapping the current request flow, HTML service pages, Apps Script functions, triggers, Properties Service values, Google service integrations, permissions, and quota-sensitive operations. I’ll then reproduce the reported issues and provide a short list of recommended fixes before changing working behaviour. Development and testing will be done through a separate test deployment. Once the updates are verified, I’ll create a new deployment version under the existing web-app deployment so the public URL remains unchanged. My background includes JavaScript, API integrations, automation, database-backed applications, debugging, and maintaining existing production systems. I’ll keep the code organised, remove unnecessary duplication, add practical error handling, and document any configuration or permissions required. What specific fixes or new refinements are currently needed, and which Google services does the app use?
₹1,000 INR in 40 days
3.3
3.3

I can review and improve your web app entirely within Google Apps Script. I would first save the current version and reproduce the reported issues, then check server/client calls, spreadsheet operations, permissions and execution logs. Changes would be tested against the existing flows before updating the current deployment so the public URL stays the same. I work on JavaScript web development and automation; I will provide a concise changelog, setup notes and rollback steps. My bid is Rs750/hour with an initial 10-hour weekly cap; I would use the first session to give a bounded fix list and estimate. Which two failures or missing features are most urgent, and can you provide project plus deployment access?
₹750 INR in 10 days
3.4
3.4

Hi, I'd start with an audit pass before touching anything - reading through the current script, mapping what each function does, and flagging fragile spots (unhandled errors, hardcoded values, anything that would break on re-deploy) before proposing fixes, rather than jumping straight into changes on a live deployment. I have 8+ years of full-stack development experience with strong JavaScript work, which carries directly into Apps Script's syntax and execution model. I'm comfortable working entirely within the Apps Script environment as you've specified - no external runtimes - and have debugged and extended existing codebases before rather than only building from scratch, which matters here since the priority is understanding what's already there. Once I've audited the code, I'd share the pain points I found and the refinements you've requested, implement the fixes with care to keep the existing deployment behavior intact, test thoroughly, then re-deploy to the same web-app URL. You'd get a concise changelog of what changed and why, plus setup notes for future maintenance. Quick question: do you have a specific list of pain points or requested refinements already, or would you like me to surface issues during the audit and prioritize from there together? Ready to start once I have project access. Thank you, Arun
₹1,000 INR in 40 days
3.4
3.4

Hi, We understand that you need an experienced Google Apps Script developer to improve an existing live web app while keeping the current deployment intact and avoiding any external runtime. We can review the existing Apps Script codebase, identify performance or logic issues, fix bugs and implement the requested refinements entirely within Google Apps Script. We’ll be careful to preserve the current functionality and deployment structure while making the code cleaner and easier to maintain. Key questions: 1. What specific features or issues need to be fixed or enhanced? 2. Which Google services are currently used by the web app? 3. Do you have any known performance or deployment issues? 4. Can you provide the current Apps Script project and access to the live deployment? We’ll test the updated functionality before redeploying it to the same web-app URL and provide a concise changelog along with setup and maintenance notes. We can also review integrations with Google Sheets, Forms or APIs if they are part of the current application. Note: The final cost may vary based on the confirmed scope. Best Regards, Agnidipa Team Qloron
₹1,200 INR in 40 days
3.0
3.0

Hi, I have developed several Google Apps Script web applications, automation systems, Google Sheets integrations, custom dashboards, and API-driven business tools using Apps Script, JavaScript, HTML, and Google Workspace services. ? The main challenge is improving an existing live Apps Script application without breaking its current deployment, workflows, or existing functionality. ✅ In similar Apps Script projects, the core issue was understanding an existing codebase first and then fixing inefficient functions, duplicated logic, data handling, triggers, permissions, and frontend/backend communication. I handled this by auditing the current `.gs` and HTML/JS files, tracing the main execution flows, identifying bottlenecks and errors, then making focused changes while keeping the existing architecture and web-app URL intact. ✅ I would test the current functionality before changes, implement the requested refinements entirely inside Google Apps Script, verify authorization and deployment settings, and test the complete web-app flow after each major change. I would then redeploy the updated version to the same URL and provide a concise changelog plus setup and maintenance notes. With this kind of experience, I can contribute to improving your existing Apps Script application safely and systematically. Looking forward to discussing your requirements with you. Best regards Michel
₹900 INR in 40 days
2.7
2.7

Hello. Thank you very much for your chance. I have read your project description carefully. I'm a Web, AI & Android Custom | Python, WordPress, Java with over 8 years of experience working with JavaScript, Debugging and API Development. I understand you need your live Google Apps Script web-app audited, tightened, extended, and re-deployed to the same URL with a changelog. The real challenge is Apps Script limits, not the code style. The six minute execution cap, the 20,000 cell read limit and the URL Fetch quota break scripts that work fine in testing. A common issue: the script is re-deployed as a new version, so the existing web-app URL changes and any external links or form actions break. My approach: first, audit the current code and map every trigger, quota and external call. Then refactor the slow paths and add the requested features. Finally, test against the live data, re-deploy to the same URL, and hand over a changelog with setup notes. Q1 - Is the web-app bound to a Sheet, or standalone with its own script? Bound scripts often hit the 6 minute limit faster. Q2 - What specific features or fixes do you want added? A short list helps me scope the refactor. Let's connect over a chat so we can discuss this in more detail. Best regards , Muheebwa
₹2,500 INR in 40 days
2.5
2.5

I fully understand that you want your existing Google Apps Script web app reviewed, optimized, debugged, and enhanced without using any external runtime or breaking the current deployment. Your approach of having the existing code audited before making improvements is really excellent for maintaining stability and long-term reliability. I can handle the complete audit, development, testing, and redeployment entirely within Google Apps Script. Could you tell me which current features are not working correctly or what new refinements you want added?
₹1,000 INR in 40 days
0.0
0.0

Kadakatla, India
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