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I have an existing web application built using an AI website builder (Creo). The UI and overall user flow are already designed, and I have the full exported source code and GitHub repository. However, several core features are not functioning correctly and need to be debugged, completed, and made production ready. I am looking for an experienced full stack web developer who can: Review the current codebase and architecture (front end and back end). Fix broken or incomplete functionality so the existing flows work end-to-end. Implement missing logic for key features (forms, data handling, API calls, etc.). Improve stability, performance, and error handling. Set up a clean Git workflow and help prepare the app to be easily maintained going forward. Tech stack / skills: Strong JavaScript experience (front end web apps). PHP experience for backend or server-side logic. Solid understanding of modern web application development. Comfortable working with an exported codebase (not starting from scratch). Ability to read existing flows, debug issues, and propose better implementations where needed. What you will get from me: Full exported source code of the current web app. GitHub (or similar) repository access from day one. Clear list of known issues, missing items, and priorities. Regular feedback, clarifications, and milestone-based tasks. Ideal candidate: Has previous experience fixing or completing partially built web apps. Communicates clearly in English and is available for regular updates. Can work independently but also ask questions where requirements are unclear. Can propose realistic timelines and is transparent about progress and blockers. Project details: Hourly engagement, budget range: 2–8 USD/hr. Approximate duration: 1–3 months, starting as soon as we identify the right developer. Please share: A short summary of similar web app debugging/completion projects you have done. Links/screenshots to previous work. Your proposed hourly rate within the given range and approximate weekly availability. Write “READY TO FIX YOUR APP” at the top of your bid so I know you read the description.
ID Projek: 40267751
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108 pekerja bebas membida secara purata $9 USD/jam untuk pekerjaan ini

Hello, This is exactly the kind of project I handle well — stepping into an exported codebase, untangling broken flows, and turning something “almost working” into production-ready software. I’ve previously worked on: • AI-generated / low-code exported web apps that required logic repair • Partially completed PHP + JS systems with broken form handling and API flows • Legacy codebases where I rebuilt data validation, improved error handling, and stabilized backend logic • Projects that needed Git cleanup, branch structure, and proper deployment flow How I would approach your project: Audit phase – Review front-end JS structure and backend PHP logic – Map actual user flows vs intended flows – Identify broken endpoints, validation gaps, and state issues Stabilization phase – Fix forms, API calls, and data persistence – Clean up error handling and edge cases – Improve performance and prevent silent failures Production readiness – Clean Git workflow – Code refactor where needed for maintainability – Clear documentation for future development I’m comfortable working inside an exported codebase and improving it without rewriting everything from scratch. Proposed rate: $8/hr Availability: 25–30 hours per week Start: Immediately If you share access to the repo and issue list, I can give you a realistic timeline within 48 hours. Looking forward to helping you stabilize and scale this properly. Best, Jenifer
$8 USD dalam 40 hari
9.5
9.5

Hi, I’ve developed several web apps using PHP frameworks like Laravel and CodeIgniter, and I’ve also worked extensively with JavaScript frameworks such as React, Vue, and Nuxt. I’m well-versed in both front-end and back-end development, and I’ve even built fully-fledged products from scratch. In addition to web development, I’ve expanded my expertise to include mobile app development using frameworks like React Native and Flutter, which allows me to deliver complete solutions that cover both web and mobile platforms. I’m passionate about creating high-quality, production-ready products and I’m always eager to learn new technologies that can enhance my work. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m looking forward to hearing more about your exciting project. Best regards, Adil
$15 USD dalam 40 hari
7.3
7.3

READY TO FIX YOUR APP Hi, As per my understanding: you have a Creo-exported web app with UI and flows defined, but core logic, integrations, and stability issues need debugging and completion to make it production ready and maintainable. Implementation approach: • Audit front-end and PHP backend architecture • Fix broken flows and complete missing logic • Refactor API handling and error management • Establish clean Git workflow and documentation Queries: • Which PHP framework, if any, is used? • Hosting environment details? • Priority features for Phase 1? I will share my portfolio on your first message.
$9 USD dalam 40 hari
7.0
7.0

Hello I can finalize your existing full-stack web app. I'll resolve bugs, optimize performance, refine UI/UX, and ensure seamless production deployment. My aim is a polished, robust, high-quality application. Let's discuss your project specifics to get it successfully launched. Giáp Văn Hưng
$18 USD dalam 7 hari
6.8
6.8

READY TO FIX YOUR APP Hello, I understand your situation — the UI and flow are already built using Creo, but core functionality is incomplete or unstable. So the goal isn’t redesigning — it’s reviewing the exported code, fixing broken logic, and making everything production-ready and maintainable. Here’s how I’d approach it: • Review full frontend + PHP backend architecture • Test all flows end-to-end to identify breakpoints • Fix forms, API calls, validation, and data handling issues • Clean up inefficient or duplicated logic • Improve error handling and edge-case management • Optimize performance where needed • Set up proper Git structure (branches, version control, clean commits) • Document changes for long-term maintenance I’ve worked on partially built apps before where the structure existed but backend logic, validation, and API connections were incomplete. In those cases, I stabilized flows, refactored messy sections, and made the app deployment-ready without rebuilding from scratch. I’m comfortable working with exported codebases and debugging someone else’s architecture. Proposed rate: $12/hr Availability: 25–30 hours/week I communicate clearly, provide regular updates, and raise questions early if something is unclear. Happy to review the repository and give you an honest assessment before we begin.
$12 USD dalam 40 hari
6.4
6.4

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$5 USD dalam 40 hari
6.0
6.0

READY TO FIX YOUR APP السلام عليكم ورحمه الله وبركاته كما وعدنا عملائنا دائمًا..نتائجنا سوف تذهلك اطلعت على جميع تفاصيل المشروع وانا جاهز للتنفيذ ولدينا خبره كبيره في ذلك يضم فريقنا مجموعة من الكوادر المتميزة في برمجة المواقع وتطبيقات الهاتف والذين سوف يضمنون لك التعامل مدى الحياة مع أي خلل ناتج عن الأكواد التي تم استخدامها. ليس هذا فحسب بل يُمكننا أن نقوم بتصميم موقعك، عمل فيديوهات متحركة، عمل تصميمات داخلية وخارجية ثلاثية الابعاد، وتصميم الشعارات. يُسعدنا تواصلكم معنا للاطلاع على المزيد من التفاصيل.
$8 USD dalam 40 hari
6.2
6.2

READY TO FIX YOUR APP I have strong experience debugging and completing partially built web applications, especially projects generated by builders or handed over mid-development. I’ve worked on JavaScript + PHP stacks where core flows (forms, API calls, session handling, validation) were broken and needed structured refactoring. My approach is to first audit the full codebase, map the current architecture, and identify root causes instead of patching symptoms. I’ll stabilize existing features, implement missing backend logic, and ensure clean front-end ↔ backend communication. I focus on improving error handling, performance, and writing maintainable, well-structured code. I’m comfortable working inside exported AI-generated codebases and cleaning up messy structure. I follow proper Git workflows (feature branches, clear commits, PR reviews). Proposed rate: $6/hr within your budget. Availability: 400 hours per week. Happy to review your repository and provide a quick technical assessment before we begin. Thanks
$5 USD dalam 40 hari
5.8
5.8

Hi , I have gone through your project, Finalize Full-Stack Web App, and I am ready to start working as soon as you confirm. I offer best quality and highest performance at a reasonable price, with on-time delivery. I’m well-versed in PHP, Python, CSS, HTML, JavaScript, jQuery, Bootstrap, Angular, AJAX, Laravel, WordPress, JavaScript, Full Stack Development, HTML5, Web Development, Performance Tuning, Git, PHP, MySQL, Debugging and API Development. I’d love to discuss the project further to ensure we’re aligned on the scope, timeline, and deliverables. Please let me know a convenient time for us to connect, and I’ll be happy to accommodate. Thanks
$5 USD dalam 56 hari
6.3
6.3

Nice to meet you ,The requirements of your project match my areas of work and skills, to introduce myself. My name is Anthony Muñoz and i am the lead engineer for DS Pro IT agency. I have worked for over 10 years as a Full-Stack and software development engineer and have successfully done multiple jobs. It will be a pleasure to work together to make your project. Feel free to discuss about the project with me, greetings.
$20 USD dalam 40 hari
5.9
5.9

“READY TO FIX YOUR APP” Ready to work full time - Remotely. I have checked your requirement and can achieve the desired task. Can start immediately. Please come on chat to discuss it furthermore. I will be waiting for your response. Thanks & Regards, GK
$5 USD dalam 40 hari
5.2
5.2

Greetings, To introduce, I am a DevOps Engineer and an expert in AI. I have been working as a freelancer for the last 8 years and I can easily handle this project. I have over 5 years of experience in AWS, Linux, Ubuntu, CentOS, RedHat, Windows Server, Apache, Nginx, Jenkins, Docker, Azure, Google Cloud, MYSQL, and MongoDB. Can we have a quick chat to discuss more about this project? Looking forward to hearing from you. Regards, Naveed
$8 USD dalam 40 hari
5.3
5.3

READY TO FIX YOUR APP. Greetings! With a robust background in web and mobile app development garnered over the past 9+ years, I assure you that I possess the skills and expertise necessary to fix and complete your current web app to its optimum capacity. I am highly proficient in JavaScript, MySQL, PHP along with several other skills needed for modern web application development. Having handled similar projects before, I'm confident in my ability to quickly identify and sort out any issues in your existing codebase while also implementing any missing functionalities. As an experienced developer, I'll not only address all the known issues but also enhance stability, improve performance, and set-up a more productive Git workflow that'll ensure easy future maintenance. I understand the importance of effective communication for project success. Hence, I'll provide you with regular updates on milestones achieved and maintain an open channel for feedback throughout our engagement. Moreover, my affordable hourly rate fits perfectly within your budget range. Let's embark on this project together - turning your idea into reality one bug at a time!
$105 USD dalam 40 hari
5.4
5.4

“READY TO FIX YOUR APP” I have checked your requirement and I understand it. I worked on similar project you can check my profile for more information. I have more than 8 years experience of website development. I have worked on many different project like wedding management, School management application, Invoice management, Itinerary Management Application, E commerce application, Hospital Management System etc.. I am a Senior PHP Developer with lot of experience in PHP , Core-php, Codeigniter, Larraval ,Angularjs, nodejs framework expert , payment gateway , and master in making Responsive,Parallax,SEO friendly websites and expert in bug fixing and troubleshooting in many websites. I follow collaborative tools like BitBucket,Git,SVN,Jira,Mantis,BaseCamp,Trello,Asana to keep a track on the progress and to maintain code repositories. I am waiting for your replay. Thanks
$5 USD dalam 40 hari
4.4
4.4

READY TO FIX YOUR APP Hi, I am a full-stack AI developer with 8 years of rich experience in software development, with a strong focus on debugging and completing partially built web applications. I am familiar with JavaScript, PHP, MySQL, HTML5, full stack development, API development, Git workflows, debugging, and performance tuning. I can review your exported Creo codebase, trace broken front-end to back-end flows, implement missing business logic and API integrations, stabilize error handling, and restructure the repository with a clean Git workflow so the app becomes production-ready and maintainable long term. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
$15 USD dalam 40 hari
4.6
4.6

READY TO FIX YOUR APP With my years of experience as a Full Stack Web Developer, I have encountered similar situations where existing web apps required debugging and completion. One example is when I was brought on to BreathAware, an in-progress app for breath tracking. I successfully identified areas of improvement in the codebase and implemented missing features to ensure seamless health data collection and API calls. Attached are the links to some recent projects showcasing my proficiency in JavaScript, PHP, and modern web development. My hourly rate falls within the stated range and I am available for work 40 hours per week, with flexibility if need be. Expect clear communication and regular updates from me as we work through your project together. I believe what sets me apart is not only my ability to fix broken functionalities but also my commitment to delivering a stable, scalable product aligned with real business goals. I don't just complete tasks—I optimize them for better performance and error handling while keeping an eye on maintainability moving forward. Let's collaborate on this project and turn your existing web app into a powerful digital experience!
$2 USD dalam 40 hari
4.6
4.6

READY TO FIX YOUR APP I can debug and complete your Creo web app, fix broken features, implement missing logic, and set up a clean Git workflow. Experienced in JavaScript, PHP, and custom web apps. Portfolio and code examples available on request. My rate: $5/hr, available 20 hrs/week.
$5.56 USD dalam 20 hari
4.1
4.1

READY TO FIX YOUR APP With a diverse skill set in full-stack development, including strong JavaScript and PHP expertise, we at Paper Perfect are an ideal choice to help you complete your web application quickly, efficiently, and most importantly - correctly. Our extensive background in modern web application development, as well as our proficiency in working on existing codebases, promises a deep understanding of your project's requirements. At Paper Perfect we follow a rigorous debugging and optimization process, ensuring your application runs smoothly before final delivery. We will not only fix the broken or incomplete functionality but add the missing essential logic while improving the overall stability, performance and error handling of the app. The final touch includes setting up a clean Git workflow, enabling streamlined collaboration for present and future needs. Transparency is one of our core values. We communicate effectively and provide regular updates on task progress. Additionally, we come up with realistic timelines that take into account any unexpected challenges that may come up during the development process. With us leading the project, you can expect impeccable work within your budget range. Don't just take my word for it; visit our website for testimonials from satisfied clients. Let's materialize your vision through my team's expertise!
$5 USD dalam 40 hari
3.6
3.6

Hey — saw your post about finalizing your full‑stack web app built with Creo. Tools like AI site builders usually get you 70–80% there, but the last 20% (logic, data flow, and polish) is where things start breaking or feeling “off” for real users. Quick question before I suggest an approach: Is the current app already connected to a real backend/database, or is most of the data still mocked inside Creo? I’ve helped clean up and productionize AI‑generated/low‑code apps before — tightening the front-end, wiring proper APIs, and making sure everything is stable enough to ship. If you can share the Creo link, current code export, or a brief spec of what’s missing, I’ll take a look and tell you what’s realistic to finalize quickly.
$5 USD dalam 7 hari
3.6
3.6

READY TO FIX YOUR APP Hi, I am an Experienced Full Stack Developer. I can provide services related to AI: LangChain, LLM, RAG, Agent, Tool Chatbot, Voicebot OpenAI, Gemini, HuggingFace Python, FastAPI, Flask Frontend: Angular, Angular Material Streamlit React JS HTML, CSS, Bootstrap Graphs/Charts Tailwind CSS Theme/Template integration Google maps Backend: .NET Core, C#, Web API, Entity Framework, ABP Framework Java, Spring boot, Hibernate, JPA, Maven/Gradle Node JS REST API development/integration 3rd party integration Database: MSSQL Server, MySQL, PostgreSQL, Oracle, mongodb, Sql/Nosql Source control: GitHub, Bitbucket, SourceTree Other: AWS (EC2, Elastic Beanstalk, RDS, S3, SES, SNS) Payment Gateway Integration Docker etc. Please inbox for more details and discussion about project, timeline and budget etc., thank you. Best regards Amir
$8 USD dalam 40 hari
3.9
3.9

New Delhi, United Arab Emirates
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