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I’ve reached the point where a fresh perspective will speed things up on our Vibe codebase. The goal is straightforward: locate the outstanding bugs, resolve them cleanly, and verify that nothing else breaks in the process. I'm looking for a part-time freelance backend developer to help put the finishing touches on several app projects I've been building with vibe coding tools. The work is minimal — primarily backend polish and minor fixes — so the time commitment per project is low. Budget is $100 per project, and while that reflects the limited scope of each engagement, what I can offer in return is consistent, ongoing work across multiple projects with the potential to grow into larger roles within these startups as they scale. If you're a developer looking for steady part-time work with real upside, I'd love to connect
Project ID: 40473274
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153 freelancers are bidding on average $96 USD for this job

I can provide that fresh perspective to debug your Vibe codebase, resolve the outstanding issues cleanly, and ensure your core functionality remains perfectly stable. As a developer specializing in React, Python, NLP, and PostgreSQL, I am highly experienced in diving into existing codebases to identify root causes and deploy precise patches. I know how to isolate faulty logic, trace broken data flows, and implement fixes that do not cause regressions elsewhere in the application. I have a strong track record of debugging and stabilizing complex systems. For example, I recently built and refined a deterministic scoring engine using Python for high-stakes environments where accuracy and auditability are non-negotiable. I also handled deep performance tuning and bug fixing for a mobile application integrating complex background BLE connectivity for an automotive IoT device, ensuring zero crashes and smooth data flow. You can view my complete freelancer portfolio and case studies here: freelancer.com/u/microlent Let us connect to discuss the specific errors you are seeing in the Vibe codebase so I can start the debugging process. Best, Rajesh
$100 USD in 7 days
9.6
9.6

Hello, I’d be happy to help refine and stabilize your Vibe codebase by identifying backend issues, fixing bugs cleanly, and ensuring existing functionality remains stable after updates. I have experience working on fast-moving startup projects, debugging APIs and backend workflows, and improving overall application reliability without overcomplicating the architecture. I’m comfortable stepping into partially completed projects, understanding existing logic quickly, and handling backend polish, optimization, and minor feature fixes efficiently. I also value long-term collaboration and consistent communication, especially in projects that continue evolving over time. The ongoing nature of the work and opportunity to contribute across multiple projects sounds like a great fit, and I’d be glad to discuss the current stack, workflow, and priorities further. Warm regards, Harpreet Singh
$70 USD in 5 days
9.5
9.5

I couldn't be more excited about the opportunity to contribute to your array of Vibe codebase projects! With my 13+ years in software development, including significant expertise in Python and back-end development, I'm confident we can achieve your goals. My previous roles have involved intricate backend polishing and bug fixing, therefore I bring not only a breadth of experience but also a keen eye for detail. Let me elaborate on my proficiency: long Sectors of my career have been devoted to customized python web automation & scraping projects, often entailing redevelopment, debugging, and testing so as to ensure clean deliverables. In addition, I’ve had extensive involvement with AI solutions, universalizing scripts that can identify and resolve bugs smoothly while ensuring a comprehensive QA process. My track record offers a guarantee that not only will I successfully address your project's immediate needs but I will also contribute to its long-term well-being. I approach each engagement envisioning potential future implications for each line of code I write, consistently ensuring the stability and scalability of entire applications. Permit me to be your partner in progress as we embark on this journey together!
$50 USD in 1 day
7.3
7.3

Hi, Vibe-coded apps usually break in predictable places — auth edge cases, broken API contracts between the generated frontend and backend, and race conditions in async handlers that the AI never tested. Happy to come in fresh, locate the outstanding bugs, resolve them cleanly, and verify nothing else breaks before signing off. My usual approach on these: - Reproduce each bug locally, write a failing test, then patch - Quick audit of routes, env vars, and DB queries for the obvious vibe-coding traps (N+1s, missing validation, leaked secrets) - Short Loom + diff per fix so you can review without context-switching I work mostly in Node.js, Python, and PHP backends paired with React Native / Flutter frontends, so I can usually tell quickly whether a bug lives in the API or the client. Comfortable with whatever stack the vibe coding tool spit out — Cursor, Bolt, Lovable, Replit output all read the same to me after a few minutes. One question: is the backend a single shared codebase across these app projects, or a separate repo per project? That changes how I'd scope the first fix. Happy to start with one project as a trial. Asif
$150 USD in 2 days
6.4
6.4

Having worked for over a decade in the development field, I've honed my skillset to meet a wide range of project needs. Your requirement for a skilled backend developer to resolve bugs and polish your Vibe codebase perfectly aligns with my expertise. I have deep experience in JavaScript and Node.js, which are crucial for Vibe coding, as well as PHP which can be handy to bring synergy between platforms. Throughout my career, I've placed great emphasis on clean, secure code that only gets better with time. This mindset means that not only will I be effective in squashing current bugs but also efficient in curbing potential future ones. Additionally, having worked across several full-stack platforms including Vibe-code ensures that I have the adaptability needed to seamlessly integrate into your workflow.
$100 USD in 7 days
7.1
7.1

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$200 USD in 7 days
6.7
6.7

Hello client, I’m very interested in your "Experienced Developer for Vibe coding project." I understand the value of a fresh perspective for bug resolution and backend polish on your Vibe codebase. With strong proficiency in Firebase and Django, I'm well-equipped to meticulously locate, resolve, and verify fixes cleanly, ensuring no new issues arise. The prospect of consistent, ongoing work and growth truly excites me. I'm ready to bring your app projects to a polished finish! Warmly, Nikhil Chandra Roy
$80 USD in 1 day
6.3
6.3

Hi there, Fresh eyes usually help with Vibe-built apps because the rough parts are often small but spread across backend routes, API responses, auth checks, or build/test gaps. I’ve worked across Python, PHP, Node.js, JavaScript, and mobile-backed apps, mostly cleaning up bugs and making existing code safer without rewriting everything. I’d keep this tight: - review the current bug list and run the app locally - trace backend failures and edge cases - patch the fixes cleanly with notes - run basic regression checks so nearby features don’t break - hand over a short summary of what changed The DB or auth layer is probably where small hidden issues will show up first, so I’d start there before touching wider app logic. I can take on a $100 project and turn around the first pass in about 2 days. Do you already have a bug list for the first app, or should I start by testing and finding the remaining issues myself? Thanks, Slavko
$150 USD in 1 day
5.7
5.7

Hello, your note about needing a fresh perspective on the Vibe codebase makes it clear you’re looking for someone who can step in quickly and stabilize things without slowing you down. I’ve handled similar backend polish cycles for multi‑app environments, notably resolving persistent logic bugs across two Vibe‑based tools and delivering stable releases without regressions. I know the real challenge here isn’t just fixing the obvious issues, but identifying the hidden dependencies that tend to break when small patches are applied. That’s usually where part‑time contributors struggle, but it’s an area I’m very methodical about. I’ll debug the outstanding issues, isolate each patch, and run verification passes to ensure no cross‑module behavior is affected. I’ll also document each fix so you maintain clarity across your projects as they grow. Before starting, I’d like to confirm your current testing workflow and how you prefer patches to be staged for review. I can step in cleanly and keep your releases moving. Best regards, John allen.
$115 USD in 1 day
5.9
5.9

Hi there, It's common for lingering bugs to slow down development progress and cause unexpected setbacks. With my expertise, I can swiftly identify and resolve these issues in your Vibe codebase, ensuring seamless functionality and stability so you can move forward confidently with your app projects. Here are my questions: Can you specify which Vibe coding tools are primarily used in your projects? Also, which bugs are currently the most critical to address? Let’s discuss your project now!
$50 USD in 3 days
5.8
5.8

Hi! I hope this message finds you well. With several years of backend development experience, I specialize in debugging, optimizing code, and ensuring seamless application performance. I’m excited about the opportunity to help you polish your Vibe codebase and resolve outstanding issues. Could you provide more details on the specific bugs you are encountering? Additionally, are there particular areas of the code that you feel need the most attention? In a recent project, I worked on a web application where I had to identify and fix performance issues that were affecting user experience. I utilized thorough testing and code reviews to ensure that my fixes did not introduce new bugs, ultimately enhancing the application's stability and speed. For your project, I can help identify and resolve the bugs you mentioned while ensuring that the overall functionality remains intact. My goal is to provide you with a clean and efficient codebase that will allow your applications to thrive. I would love to discuss your projects further and see how I can contribute. Let’s chat! Best regards, Heindrick
$100 USD in 7 days
5.9
5.9

I’ve reached the point where a fresh perspective will speed things up on our Vibe codebase. The goal is straightforward: locate the outstanding bugs, resolve them cleanly, and verify that nothing else breaks in the process. I'm looking for a part-time freelance backend developer to help put the finishing touches on several app projects I've been building with vibe coding tools. The work is minimal — primarily backend polish and minor fixes — so the time commitment per project is low. Budget is $100 per project, and while that reflects the limited scope of each engagement, what I can offer in return is consistent, ongoing work across multiple projects with the potential to grow into larger roles within these startups as they scale. If you're a developer looking for steady part-time work with real upside, I'd love to connect
$100 USD in 7 days
5.6
5.6

Hello, I am an Austin, Texas based developer with 20 years of full-stack coding experience. This sounds like a possible fit for a beer-money role I've been looking for. Love to chat! Joseph
$100 USD in 7 days
5.9
5.9

Please initiate the chat so we can thoroughly discuss the requirements for the app, prior to the start. Happy to provide the final budget in chat. You will get a one-stop solution from my end as, throughout my 5+ years of freelancing Android/iOS App development career, I have created plenty of Mobile applications. I ensure to give the best quality app with good performance and responsive attractive UI and I have provided the clients with excellent results. I have expertise in Swift, React Native, Node.js, React.js, Angular, Laravel, and PHP. I am equipped to develop apps using these languages in all industries Pharmaceutical, Travel, Media & Entertainment etc. I also handle backend integrations for third-party collaborations on your systems. well versed in Mobile App Development in-App-Purchases, User Authentication, User Profile Creation, Location, Chat and Messaging, Map Integration, Payments, Social Media Account Integration, and many more to show. Have considerable knowledge of Android ANT SDK, BLE, Google Cast SDK, ads SDK, offerwall SDK and Titanium. I use libraries such as Sherlock Action Bar, OpenGL, Media Framework, and WebKit to build IoT integration app solutions. I am always interested in making long term professional relationships with my clients to ensure that every project becomes successful. So, if you hire me, I can assure you that you will not regret your decision. Best Regards Tejash J.
$100 USD in 7 days
5.8
5.8

Hi, I can help you clean up the backend, fix the remaining bugs, and ensure everything is stable without breaking existing functionality. I’m comfortable working with small, fast-turnaround backend tasks and debugging code built with modern tools and frameworks. Just wanted to ask—what tech stack are you currently using in your Vibe codebase, and are there any specific bugs you already know need priority attention? I’m open to ongoing part-time work as well and would be happy to contribute consistently across your upcoming projects
$100 USD in 7 days
5.8
5.8

Hi, I’d be interested in helping with the backend polish and bug fixing across your Vibe-coded projects. I’m comfortable jumping into existing Python codebases, identifying issues quickly, and making clean fixes without disrupting the rest of the app. I understand these are lightweight engagements focused on stability, debugging, and finishing touches rather than full rebuilds, and I’m open to ongoing part-time collaboration as new projects come in. Happy to review the current stack and start with one project first.
$100 USD in 2 days
5.5
5.5

Hello, I appreciate the opportunity to assist with your Vibe codebase. I understand you're seeking a backend developer to identify and resolve outstanding bugs while ensuring the integrity of your applications during this final polish phase. With extensive experience in backend development and a strong proficiency in Vibe coding tools, I am well-equipped to tackle the issues at hand. My background includes debugging complex systems and implementing clean, efficient solutions to enhance functionality without introducing new errors. To ensure a smooth process, here’s my approach: - Conduct a thorough analysis of the existing codebase to identify and prioritize bugs. - Implement fixes in a modular fashion, ensuring each change is tested to maintain system stability. - Collaborate closely with you to address any specific concerns and verify that all solutions align with your project goals. - Provide ongoing support to ensure the projects remain on track as you scale. I am eager to contribute and confident in my ability to deliver quality results. I am available to start immediately and would love to discuss your projects further. Thank you for considering my proposal!
$100 USD in 7 days
4.9
4.9

Hello, I’m interested in helping with your Vibe codebase projects. I have experience working on backend debugging, API fixes, database issues, performance improvements, and stabilizing applications built with modern development stacks and AI-assisted workflows. I understand the goal is clean backend polish rather than large-scale rewrites. I can quickly identify bugs, resolve them efficiently, and test thoroughly to ensure existing functionality remains stable. What I can help with: • Backend bug fixing and cleanup • API/debugging and integration fixes • Database and authentication issues • Performance optimization • Code refactoring and stability testing • Final production polish before launch I’m comfortable with ongoing part-time collaboration and appreciate the long-term growth opportunity across multiple projects. The budget and scope sound reasonable for lightweight backend tasks, and I can start immediately. Looking forward to connecting and reviewing the current projects. Thank you
$50 USD in 5 days
5.1
5.1

Hi, I am a full-stack developer with 8 years of rich experience in software development. I am familiar with JavaScript, Python, Node.js, PHP, backend development, software testing, mobile app development, API integration, and AI-assisted vibe coding workflows. I have experience working on existing codebases to identify backend issues, fix bugs cleanly, optimize APIs, and verify stability without introducing regressions. I also actively use modern vibe coding and AI development tools to speed up debugging, testing, and backend polishing while keeping the codebase maintainable and scalable. 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.
$500 USD in 7 days
5.0
5.0

Hello there, I’m an independent backend developer with a solid track record in Node.js, Python, PHP, and mobile-focused backends. I specialize in clean, maintainable fixes for vibes-based codebases, rapid bug triage, and safeguarding stability so new changes don’t break existing features. I’ve previously polished production apps by pinpointing stubborn bugs, refactoring risky areas, and adding focused tests to confirm no regressions. I work efficiently, document findings, and deliver polished backend details that your team can trust as you scale across projects using vibe coding tools. I can take on the work based on my expertise and past experiences. I’ll deliver concise fixes, verified via tests, with minimal disruption to your workflow. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
$250 USD in 3 days
5.1
5.1

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