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I have a production web application written in Svelte and TypeScript that relies heavily on PixiJS for its canvas-based visuals. The core build is stable, but several areas now need polish and extension. I’m looking for a developer who is comfortable jumping into an existing codebase, identifying weak spots, and delivering incremental improvements without disrupting live traffic. Here is the immediate scope: • Refactor and tidy selected Svelte components so styling is easier to maintain and responsive across modern browsers. • Improve the PixiJS scene code to keep frame rates high even as we add sprites and filters. • Replace a handful of ad-hoc JavaScript helpers with clean, typed utilities. You’ll be working in a repo that already uses Vite, ESLint, Prettier and GitHub Actions. I’ll grant access, walk you through the current architecture, and outline the first milestones; each will be small enough to review in a single pull request. Acceptance criteria for every commit: • No console errors or warnings. • TypeScript passes strict mode. • Lighthouse performance score holds steady or improves. If you have shipped Svelte apps that leverage PixiJS before—and enjoy the mix of UI work, animation tuning and code hygiene—let’s get started.
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Hello, I understand you need a clean, incremental upgrade to a production Svelte + TypeScript app that uses PixiJS for canvas visuals. My approach is to gently refactor targeted Svelte components for easier maintenance and responsive styling, optimize the PixiJS scene to sustain high frame rates with more sprites and filters, and replace ad-hoc helpers with typed utilities without touching live traffic. I’ll work in small, reviewable PRs, keep ESLint/Prettier in use, and ensure strict TypeScript passes with no console errors. I’ll start by mapping the current hotspots, then deliver tangible improvements in bite-sized milestones that you can review in a single PR. What are the top priorities for the first milestone to ensure no regressions in live traffic? Technical questions to align on scope and success: What are the most critical components to polish first on the UI side and why? Which parts of the PixiJS scene are most sensitive to FPS drops, and what target frame rate do you aim for across devices? Do you prefer maintaining current shader/filters or gradually upgrading with modern alternatives? Are there any specific browsers or mobile edge cases we must guarantee against regressions? What is the CI gate for performance (Lighthouse score, memory, startup time) and what is the acceptable baseline? Which ad-hoc helpers should be rewritten first into typed utilities, and any naming conventions to follow? How should we handle component styling conventions (CSS Modules vs. Sv
$35 AUD trong 32 ngày
9,3
9,3

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in JavaScript, Mobile App Development, CSS, Animation, HTML5, Web Development, Frontend Development, Svelte and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 AUD trong 5 ngày
8,3
8,3

⭐⭐⭐⭐⭐ We at CnELIndia, led by Raman Ladhani, are well-equipped to enhance your Svelte and TypeScript application with PixiJS integration. Our approach begins with a thorough audit of the existing codebase to pinpoint maintainability and performance gaps. We will refactor Svelte components for clean, responsive styling, optimize PixiJS scenes to sustain high frame rates with additional sprites and filters, and replace ad-hoc JavaScript helpers with fully typed, reusable utilities. Using Vite, ESLint, Prettier, and GitHub Actions, we’ll implement incremental improvements through small, reviewable pull requests, ensuring zero console errors, strict TypeScript compliance, and maintained or improved Lighthouse scores. Our prior experience shipping Svelte apps with rich canvas animations guarantees a seamless balance between UI polish, animation tuning, and robust code hygiene. This structured, stepwise collaboration ensures minimal disruption to live traffic while delivering high-quality enhancements.
$20 AUD trong 40 ngày
8,3
8,3

Hello, Scaling a PixiJS stage inside a Svelte app needs careful handling so the UI framework doesn’t slow down the WebGL rendering. With 8 years of experience in high-performance frontend development, I focus on this exact area, keeping animations smooth at 60 FPS while ensuring the surrounding code stays clean and easy to maintain in Svelte My Approach: -> I’ll audit your current ticker implementation and container nesting. To keep frame rates high as you scale, I’ll prioritize SpriteBatching and Texture Packing, ensuring we minimize draw calls. If filters are the bottleneck, I’ll look into custom shaders or caching layers to offload the GPU. -> I’ll migrate ad-hoc styles to a scoped, utility-first approach (or your preferred CSS methodology) to ensure responsiveness. The goal is to decouple the UI logic from the Canvas state, making the layout robust across mobile and desktop. -> I’ll swap the "ad-hoc" helpers for generic, strictly-typed TypeScript utilities. Since you’re already on Vite and GitHub Actions, I’ll ensure every PR maintains your strict-mode requirements without slowing down the CI pipeline. I operate on a "zero-warning" policy. Every pull request will be linted, strictly typed, and performance-tested against your current Lighthouse baseline before it hits your desk. I am available to start immediately and can hop on a call to review the repo if it helps. Best, Niral
$18 AUD trong 40 ngày
7,9
7,9

Hi, ➡️ I read your project description. You need a skilled developer to upgrade your Svelte & PixiJS web application, focusing on refining components, enhancing performance, and integrating cleaner utilities without impacting live operations. ⏺️ I specialize in Svelte, TypeScript, and PixiJS, which aligns perfectly with your needs. Having worked on similar projects, I can efficiently dive into your codebase, identify improvement areas, and implement changes ensuring high responsiveness and performance. My approach will maintain a robust frame rate in PixiJS and streamline the Svelte components for better maintenance and cross-browser compatibility. Regards, Aftab Ahmad Full Stack Developer (12 Years of experience)
$15 AUD trong 30 ngày
7,0
7,0

As an experienced Full Stack Developer skilled in HTML5 and JavaScript with a focus on Web and Mobile App Development, I am a natural fit for your Svelte & PixiJS App upgrade project. With a proven track record of delivering scalable, high-performing digital products, I understand the importance of blending intuitive user experiences with the development of robust backend systems - just as your project requires. Throughout my career, I have consistently taken up projects that require diving into existing codebases, not only identifying areas for improvement but also implementing them without disrupting live traffic. I'm proficient in the technologies and tools you're utilizing such as Vite, ESLint, Prettier and GitHub Actions. My strong command over TypeScript aligns well with your need for clean, typed utilities to replace ad-hoc JavaScript helpers. In addition to my technical prowess, I bring a problem-solving mindset, time management skills, and effective communication abilities to every job. This allows me to deliver incremental improvements efficiently within small milestones while ensuring acceptance criteria like no console errors or warnings, adherence to TypeScript strict mode and maintaining or improving Lighthouse performance scores are met or exceeded.
$20 AUD trong 40 ngày
6,3
6,3

Hi, Svelte + PixiJS is a combination I've worked with directly, so the architecture you're describing — reactive UI layer sitting alongside a canvas scene — is familiar territory. The three areas you've listed are exactly the kind of work I find satisfying: component refactors that make styling predictable, PixiJS scene hygiene that keeps frame rates stable as complexity grows, and replacing loose JS helpers with typed utilities that actually enforce intent. For the PixiJS side, frame rate issues at scale usually come down to a few culprits — texture atlases not being used, filters applied too broadly, or render groups not batching correctly. I'll profile the scene first before touching anything so the fixes are targeted, not guesswork. The incremental PR workflow suits me well. I'm comfortable with Vite, ESLint, Prettier and GitHub Actions, and I treat the strict TypeScript and Lighthouse constraints as a baseline, not an afterthought. Best regards,
$30 AUD trong 40 ngày
6,6
6,6

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have extensive experience working with Svelte and PixiJS in production apps where I enhanced visuals while maintaining performance seamlessly. The key to successfully upgrading your app is careful incremental refactoring that preserves frame rates and maintains strict TypeScript hygiene. Approach: ⭕ Refactor selected Svelte components for cleaner styling and responsive design ⭕ Optimize PixiJS scenes to sustain high FPS with added sprites and filters ⭕ Replace ad-hoc JS helpers with typed, reusable utilities ⭕ Maintain code quality with Vite, ESLint, Prettier, and GitHub Actions ❓Could you please clarify which components you see as highest priority for refactoring? ❓Do you have specific performance bottlenecks in PixiJS scenes you want addressed first? I am confident I can quickly enhance your app without disrupting live traffic and deliver improvements in small, manageable pull requests. Looking forward to collaborating! Thanks, Nam
$35 AUD trong 37 ngày
5,2
5,2

Hello there, let's start working on your scalable web application. Please, award me to start the work. Thanks Ashish Kumar.
$20 AUD trong 40 ngày
5,4
5,4

Nice to talk you , After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like 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 in Backend and software development and have successfully done multiple jobs. It will be a pleasure to work together to make your project a reality. Please feel free to contact me. I´m looking forward to working with you. I really appreciate your time and remain attentive to any request or question. Greetings
$48 AUD trong 40 ngày
5,7
5,7

⭐️⭐️⭐️⭐️⭐️ Hello! I’m excited about the opportunity to enhance your Svelte and TypeScript application. With over 5 years of experience in developing and refining web applications, particularly using Svelte and PixiJS, I have successfully delivered similar projects where I've optimized performance and improved maintainability. I specialize in writing clean, efficient code and am well-versed in Vite, ESLint, Prettier, and GitHub Actions, ensuring a smooth collaboration. My approach will involve: 1. Refactoring Svelte components for better styling and responsiveness. 2. Enhancing PixiJS scene code to maintain high frame rates while adding sprites and filters. 3. Replacing ad-hoc JavaScript helpers with clean, typed utilities. I prioritize client satisfaction and will ensure no console errors or warnings and that TypeScript passes strict mode in every commit. Let’s discuss how I can contribute to your project! Best, Abdulhamid.
$25 AUD trong 40 ngày
5,0
5,0

Hello, how are you? As an experienced Svelte developer, I have rich experience in Svelte, PixiJS. I have done several Svelte projects and PixiJS project. Even if there is no console error, I can analyze the reason of the issue asap and fix the issues in time. So, if you hire me, you will get the best result in time. Let's discuss more in chat. Thank you.
$20 AUD trong 40 ngày
4,3
4,3

Hi there! ✋ This is EXACTLY my kind of refinement work ✅ A stable Svelte + TypeScript + PixiJS app in production is a great foundation. What you’re asking for isn’t a rewrite, it’s disciplined, incremental improvement without destabilizing live traffic. That’s the right mindset. ✅First, I’d audit the selected Svelte components for styling drift and tight coupling. ✅On the PixiJS side, performance tuning is where small decisions matter. I’d review: ✔ Sprite lifecycle management ✔ Texture reuse & batching ✔ Filter usage and GPU cost ✔ Ticker usage and render loop efficiency ✔ Memory cleanup to prevent hidden leaks Frame rate stability as complexity grows is DEFINITELY achievable with the right scene discipline. ✅For the ad-hoc JS helpers, I’ll replace them with typed, reusable utilities — clean interfaces, strict TypeScript compliance, and no lingering any types. Everything will pass strict mode and ESLint rules before it reaches a PR. I’m very comfortable working inside Vite-based repos with CI pipelines and small milestone-based PRs. If you’d like, we can start with a focused performance audit milestone and iterate from there. Best Regards, Viraj
$25 AUD trong 40 ngày
4,3
4,3

Hi there, I’m Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and with over 15 years of experience as a senior full-stack and AI engineer, I have the expertise to deliver this properly. I’m available to start right away and would be happy to discuss the details whenever it’s convenient for you. I look forward to speaking with you. Best regards, Kristopher Kramer
$25 AUD trong 40 ngày
4,4
4,4

Hi Dear Hiring Manager, I’m confident I can help refine and extend your Svelte + TypeScript web application with PixiJS, delivering high-quality, maintainable code while preserving performance and stability. Proposed Approach: Svelte Component Refactoring: Clean, modular, and responsive components with improved styling conventions to simplify maintenance and future scaling. PixiJS Optimization: Profile and enhance your canvas scenes to maintain high frame rates as sprites, filters, and effects increase, ensuring smooth visuals across browsers. Typed Utility Functions: Replace ad-hoc JS helpers with robust, fully typed TypeScript utilities to improve reliability, readability, and maintainability. Code Quality & Standards: All commits will pass strict TypeScript mode, remain lint-free under ESLint, format consistently with Prettier, and integrate seamlessly with your Vite + GitHub Actions workflow. Technical Highlights: Extensive experience shipping Svelte apps leveraging PixiJS for performant 2D graphics. Strong focus on incremental improvements with pull-request-based milestones for safe, reviewable updates. Commitment to keeping Lighthouse performance scores steady or improved while enhancing the user experience. I can jump into your existing repo, quickly understand the architecture, and start delivering small, high-impact improvements without disrupting your live traffic. Best regards, Jagrati
$15 AUD trong 40 ngày
3,8
3,8

Hello, thanks for posting this project. I have extensive experience working with Svelte, TypeScript, and PixiJS, and I am confident in my ability to jump into your existing codebase, identify areas for improvement, and deliver incremental enhancements. I am well-versed in refactoring Svelte components, optimizing PixiJS scenes for performance, and replacing legacy JavaScript with type-safe utilities. Would you be open to discussing the specific weak spots in your application that you'd like to address first?
$20 AUD trong 1 ngày
3,4
3,4

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack & AI Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project. I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
$30 AUD trong 40 ngày
3,5
3,5

My name is Jiayin, and I specialize in Svelte and TypeScript applications with heavy canvas and animation workloads. I can dive into your existing codebase and refactor your Svelte components to improve maintainability, responsiveness, and styling consistency across modern browsers. I will also optimize the PixiJS scene management so that frame rates remain high even as sprites, filters, and dynamic content are added, ensuring a smooth, visually rich experience for users. Additionally, I will replace ad-hoc JavaScript helpers with clean, typed TypeScript utilities that integrate seamlessly with your current architecture, keeping code quality and type safety at the forefront. The approach I take prioritizes incremental, reviewable improvements: each pull request will leave no console errors or warnings, adhere to strict TypeScript mode, and maintain or improve Lighthouse performance scores. I will work closely with your repo setup—Vite, ESLint, Prettier, and GitHub Actions—to ensure every change is production-ready and non-disruptive. Having shipped interactive Svelte apps with PixiJS before, I’m confident I can enhance both the performance and maintainability of your app while preserving its core visual fidelity and interactivity.
$30 AUD trong 40 ngày
3,5
3,5

Hello, I’m glad to have found your project, as it aligns perfectly with my Svelte and canvas based application experience. I’ve worked on production Svelte and TypeScript apps using PixiJS for high performance canvas rendering, focusing on maintainable components and smooth animation pipelines. I’m comfortable stepping into existing Vite based repos with ESLint, Prettier, and CI workflows, and delivering clean, review friendly pull requests. My approach combines UI refactoring for responsive styling with PixiJS scene optimization such as texture management, sprite batching, and filter cost reduction to maintain stable frame rates. I also replace ad hoc helpers with fully typed utilities, ensuring strict TypeScript compliance and long term maintainability. Every milestone I deliver respects strict mode, zero console warnings, and stable or improved Lighthouse performance. I’d like to go over a few points: Are performance bottlenecks currently CPU bound from filters or GPU bound from draw calls? Do you already use texture atlases and asset preloading strategies in PixiJS? I’m confident I can polish and extend your codebase without disrupting live traffic. Thank you for considering my proposal, and I hope we can collaborate soon. Adison
$20 AUD trong 40 ngày
3,3
3,3

⚠️!!NB!! ⚠️ YOU NAME THE PRICE — I'LL DOUBLE THE IMPACT Hi there! I specialize in Svelte and TypeScript development with a solid background in optimizing PixiJS applications. Your need for polishing and extending your web app aligns perfectly with my expertise in maintaining clean, high-performance code. While others may hesitate, I'm ready to dive deep into your existing codebase, identify areas for improvement, and deliver enhancements quickly and efficiently. This project is a chance to showcase my skills and commitment to quality. I propose to refactor your Svelte components for better maintainability and responsiveness, optimize the PixiJS scene code for consistent frame rates, and replace outdated JavaScript helpers with clean, typed utilities. With experience in Vite, ESLint, and GitHub Actions, I’ll ensure each commit meets your acceptance criteria with no errors and improved performance. Let’s elevate your application to new heights while preserving its stability. I look forward to collaborating on this exciting project! Regards.
$20 AUD trong 40 ngày
3,1
3,1

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