Comprehensive Bug & UX Optimisation

@extreamcode

Hi there, I can see the real issue here isn’t just bugs , it’s the product slowly losing trust because speed, consistency, and reliability are drifting apart. I’d approach this by tracing the root causes in the codebase, profiling the slow paths, tightening the UI behavior across screens, and validating each fix so it actually stays fixed in staging and production. I’ve worked on similar PHP/MySQL, WordPress, Laravel, and custom web app cleanup jobs where the best results came from structured debugging, performance checks, and careful UI polish rather than disruptive rewrites. I’ll review your tickets, inspect the repository, use profiling and browser diagnostics, then confirm improvements with tests, benchmarks, and desktop/mobile walkthroughs. 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’d like, I can start by mapping the highest-impact bugs and performance bottlenecks first, then move into the UI inconsistencies. Which stack powers the product, and do you already have tests or performance baselines in place? Could you share which stack the product is built on and whether you already have any automated tests or performance baselines? Are there specific user flows where the crashes or visual issues appear most often? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad

@ozbas

Dear Client, I am confident in my ability to revitalize your existing product through meticulous debugging, UX optimization, and performance enhancement without requiring a full rebuild. My approach begins with an in-depth codebase analysis using profiling tools such as Chrome DevTools for front-end bottlenecks and backend performance profilers (like Xdebug for PHP or Node.js profiling). I will systematically address slow load times by identifying resource-heavy operations, optimize UI layouts with consistent styling using CSS/Sass refinements, and eliminate visual glitches through rigorous cross-platform testing on desktop and mobile devices. For bug resolution, I will triage issues via your ticket list, use automated unit and integration tests to guarantee stability, and validate fixes with performance benchmarks comparing before/after metrics to demonstrate tangible improvements. Additionally, I conduct UX walkthroughs ensuring the refreshed interface enhances user satisfaction seamlessly. My decade-long expertise across full-stack technologies, including React.js, Laravel, Node.js, and advanced debugging techniques, equips me to deliver reliable, effective solutions aligned with your objectives. Open communication and detailed documentation will accompany every stage. Best regards, Özgür

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in Web Design, Web Development, Software Testing, User Interface / IA 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

@alizashaikh8778

As a seasoned Web & App Developer with expertise in systematic debugging, UI refinement, and performance tuning, I am uniquely equipped to conquer the issues facing your platform. Firstly, my technical knowledge in HTML, CSS, JavaScript, PHP, React, Flutter, Laravel and experience operating on platforms such as WordPress and Webflow offers a strong foundation for delving into your codebase and executing effective fixes. Secondly, I am fully aware that your main goal is improvement without system disruption. That's why my approach revolves around meticulous identification of bottlenecks and employing tested profiling methods such as automated tests, performance benchmarks coupled with UX walkthroughs to ensure the durability of every fix implemented. Furthermore, my mastery in UI/UX design using tools like Figma will help us polish layouts on every screen ensuring consistent styling and behaviour across the board. Speaking of design and user-friendly interfaces, I've previously worked on similar projects where clients sought to bolster existing products without total overhauls. These experiences have fostered my ability to bring clarit

@Azursol

Greetings, I understand the challenges your product is facing with slow loading times, clunky interface, and unreliable features. With over a decade of experience in User Interface / IA, Software Testing, and Web Development, I specialize in diagnosing issues and implementing effective solutions without disrupting operations. By diving into the codebase, I will identify bottlenecks, polish layouts, and ensure consistent styling and functionality across screens. Leveraging my expertise in User Experience Research and Web Design, I will enhance the UI for a seamless user experience. My approach involves thorough debugging, performance tuning, and rigorous testing to ensure lasting fixes. I have successfully optimized similar projects in my portfolio, which I can share with you for reference. Let's discuss how I can breathe new life into your product.

@nikhilgarg96

Hello Greetings, After reviewing your project description, I feel confident and excited to work on this project for you. But I have some crucial questions to clarify. Please leave a message on chat so we can discuss this, and I can share my recent work similar to your requirements. Thanks for your time! I look forward to hearing from you soon. Best Regards.

@PMPMPM1985

Hi, I can improve your existing product without disrupting what already works. I’ll start by reproducing the logged bugs, profiling the slow paths, and reviewing the UI inconsistencies screen by screen to find root causes fast. For diagnosis, I typically use browser/dev tools, logs, network traces, and code inspection, then validate fixes with automated tests, before/after performance checks, and desktop/mobile walkthroughs on staging. I’m comfortable tightening performance, cleaning up clunky UI, and stabilizing unpredictable features while keeping changes safe and incremental. Regards, Parvesh M.

@SkillCrafts

I understand you're looking for a developer to optimize your existing product, similar to how I recently streamlined a legacy application by identifying and refactoring inefficient API calls, resulting in a 40% reduction in page load times and a smoother user experience. My approach focuses on deep codebase analysis to pinpoint performance bottlenecks and UX friction points. I'll begin with a thorough audit using tools like Lighthouse and WebPageTest to quantify current performance metrics. Then, I'll dive into the codebase, profiling critical sections to identify slow database queries, unoptimized JavaScript, or heavy DOM manipulation. For UI improvements, I'll focus on CSS refactoring, component standardization, and accessibility checks, ensuring a consistent and responsive interface. My plan involves iterative testing and deployment to minimize disruption. To ensure we're aligned, could you clarify the primary technology stack of the existing product? Also, are there any specific user workflows that are currently experiencing the most significant performance degradation or user frustration? I'm eager to discuss how we can tackle these challenges effectively.

@PINESCRIPTERR

Hi, I can improve the existing product systematically without introducing an unnecessary rebuild. I’ll begin by reproducing each issue in staging and establishing baseline performance metrics. I’ll use browser profiling, network traces, server and database logs, query analysis, and targeted code instrumentation to identify root causes. Fixes will be isolated, reviewed, and protected with unit, integration, or end-to-end regression tests, followed by desktop and mobile UX walkthroughs. You’ll receive resolved tickets, clean merge-ready changes, documented technical findings, and clear before/after performance evidence. Three technical questions: 1. What frontend, backend, database, and hosting stack does the product use? 2. Which bugs and performance issues have the highest business impact? 3. Does the repository already include automated tests, CI/CD, and monitoring? Best regards, Houssame

@ChiragDeol

Hello, It sounds like your product is facing performance bottlenecks, UI inconsistencies, and functionality issues that are impacting user experience. Diagnosing these will require a systematic approach to identify root causes without disrupting the current workflow. I'd start by profiling the application to pinpoint performance bottlenecks using tools like Chrome DevTools and Lighthouse. For UI glitches, I'd audit the styling hierarchy and ensure responsive design consistency across devices. Functionality issues would be debugged by isolating logic errors, replicating reported bugs, and implementing automated tests to prevent regressions. I've worked on optimizing and refining platforms like TeachMint and Travelocity, where I improved load times by 40%+ and resolved UI/UX inconsistencies. I'll validate fixes through performance benchmarks, automated testing, and usability reviews to ensure measurable gains and reliability. What's the current tech stack, and are there any specific dependencies or legacy components I should be aware of?

@ayesha86664

Hi there! Your product already works, but slow performance, UI issues, and unstable features are affecting the user experience. The main challenge is fixing the root causes without rebuilding or disrupting the existing system. I have experience with debugging, performance optimization, UI refinement, software testing, and web application troubleshooting. I can first review the codebase, logs, and ticket list to identify the main bottlenecks and recurring issues. I will use profiling, browser performance tools, debugging, and targeted testing to find the actual causes instead of applying temporary fixes. For every fix, I’ll test the affected functionality and check that existing features continue working properly. I’ll also provide before and after performance results and verify the refreshed UI on desktop and mobile. check our work https://www.freelancer.com/u/ayesha86664 Do you already have staging access and the existing ticket list ready for review? Let me know if you’re interested & we can discuss it. Best Regards Ayesha

@Jurasicutomation

As an AI Full-Stack Developer with over 8 years of experience, I have honed my skills in systematic debugging, UI refinement and performance tuning—making me the ideal candidate for this project. Upon assessing your tool kit requirements, I'm already familiar with many of these tools, such as automated testing and performance profiling, which allows me to promptly and effectively identify and resolve issues. By combining my technical skills with a business mindset, I ensure that not only do I fix the problems you present but that the fixes align with your wider goals. In addition, one of my key attributes is longevity—I don't just deliver a solution and move on but also make sure there's continued support for your product in order to maintain its optimal health. With me on board, not only you'll get a comprehensive digital product optimization, but also peace of mind knowing that the improvements are backed by someone who truly understands their impact on your business. Let's dive into your codebase together and maximize the potential of your existing product!

@mayankinnovative

Hi there I can audit your application, identify functional bugs and UX issues, and implement targeted fixes to make the overall product more stable, intuitive, and reliable. I have 20 years of software development experience and can work with an existing codebase without unnecessary rewrites. My approach Bug Audit — Review the application systematically to identify functional, UI, API, database, and integration issues. UX Review — Analyze navigation, forms, layouts, user flows, responsiveness, and usability to identify friction points. Bug Fixing — Diagnose root causes and apply clean fixes while preserving existing functionality. UI Improvements — Refine spacing, alignment, typography, interactions, loading states, and responsive behavior where needed. Performance — Identify slow pages, inefficient API calls, database bottlenecks, and frontend performance issues. Testing & QA — Test critical workflows and edge cases across supported devices, browsers, and screen sizes. Quick questions 1. What platform and technology stack is the application using? 2. Do you already have a list of known bugs and UX issues? 3. Which areas are currently causing the most problems? 4. Do you have Figma/design references for the desired UX? 5. Is there a staging environment available for testing? Share the application URL/codebase and existing issue list, and I can start with a comprehensive audit. Let me know and we can jump on a quick call to discuss the project. Thanks

@dhruvp0312

As an Associate Quality Assurance Engineer, my current role is to identify bugs, report them to the development team, and provide comprehensive fixes. I believe that my skills and experience align perfectly with the needs of your project. Having worked extensively with various technologies like MERN Stack, Django, Flask, Firebase and more, I have become adept at identifying bottlenecks and logic errors that result in slow load times or crashes. Building upon my deep debugging skills and desire to develop user-friendly applications, I utilize a systematic approach while diagnosing issues in the codebase. Alongside this, I am also well-versed in User Experience Research and Web Design which will enable me to identify and polish out any clunky elements in the interface ensuring consistent styling and behavior. To validate that each fix sticks, I employ data-driven metrics by carrying out automated tests, performance benchmarks and thorough UX walkthroughs.

@sihalaths9

Dear Sir, I am thrilled to bid your project. I can improve the existing product without turning the engagement into an unnecessary rebuild. I’d start by reproducing every reported issue on staging, establishing performance baselines, and tracing bottlenecks through browser DevTools/Lighthouse, network requests, application logs, database queries, and stack-specific profilers. I’ll then prioritize fixes by impact: crashes and broken workflows first, performance bottlenecks second, followed by UI inconsistencies and responsive polish. Each change will be isolated and reviewable, with regression tests added around critical logic where practical rather than making risky broad changes. Before handoff, I’ll rerun the original test cases, perform desktop/mobile UX walkthroughs, and provide before/after performance measurements so improvements are measurable rather than subjective. I’m comfortable working within an existing repository and preserving current architecture while fixing root causes. One key question: what technology stack is the current product built with? Sincerely.

@Sv3nie

Hi, Which stack is it built on? If it's React/Node or similar, this kind of debugging and performance work is my main thing and I can take it on. Lets get in contact first.

@KasjanovaEste

Hello, I’m Fernando from Mexico. I reviewed the scope and understand the goal is to improve the existing product rather than rebuild it, with focus on slow loading, UI issues and unreliable features while keeping day to day use stable. My background includes web development, JavaScript, PHP, databases, APIs and performance optimization. I would first reproduce the reported issues on staging, trace their root causes, measure before and after performance, then apply focused fixes and regression tests. For performance issues, should the baseline focus mainly on page load metrics or also backend response and database timings? This affects where I profile first. For bug validation, should fixes be tested against the existing ticket list only or also through full user flows? This affects the regression testing scope. I can start with a staging audit and reproduce the highest priority bugs as the first reviewable step. Bests, Fernando

@axiomswb

Your three-front problem — slow loads, clunky interface, and unpredictable core features — is exactly the kind of work I do best: diagnosing root causes inside an existing codebase without disrupting day-to-day use. Performance: I will profile load times using browser DevTools and backend query analysis, targeting the specific bottlenecks dragging your app down — slow queries, unoptimised assets, or redundant API calls — then produce before-and-after metrics so gains are measurable, not just claimed. Bug triage: I will work through your ticket list systematically, reproducing each failure in staging first so I understand the root cause rather than just the symptom, before touching anything on main. UI consistency: I will resolve your visual glitches and enforce uniform spacing, typography, and component behaviour across desktop and mobile so the interface feels intentional rather than patched together. One problem I would flag early: fix-on-fix patching often introduces regressions nobody notices until release. I will attach a short test case or screenshot comparison to each resolved ticket so you can verify nothing regressed before merging. Timeline: 5 days at USD 300, working from your ticket list from day one. Is the application primarily server-rendered — PHP, Laravel, Django — or a JavaScript front-end framework like React or Vue? That determines where I start the performance profiling first.

@novatech2210

Hey, Just finished a performance‑heavy, UX‑driven revamp for a SaaS product that was lagging and glitch‑prone. We cut load times by 45 %, ironed out UI flickers, and fixed the core logic bugs you described. I’m the perfect fit. I dive deep into the repo with profiling tools (Chrome DevTools, Webpack Bundle Analyzer, Lighthouse), pinpoint bottlenecks, and patch them while keeping the existing architecture intact. For the UI I use semantic HTML/CSS, consistent component styling, and automated visual regression tests. I validate every change with unit tests, end‑to‑end checks, and before/after performance benchmarks. Multiple 5‑star reviews for clean performance tuning and slick UI overhauls. Happy to jump on a quick call or offer a free consultation with some actionable insights. Chris | Lead Developer | Novatech