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Half of my custom-coded chess platform is already live, built with a mix of JavaScript on the front end and Python / Java services on the back. Unfortunately, the current state falls short on design, functionality, and overall performance, so I need a fresh developer (or small team) to step in, audit what exists, and carry the project through to a polished, scalable release. The codebase is available in Git and runs correctly in staging, but key modules are unfinished. Top of the queue is an authentic post-game analysis engine that offers players deep insights into their moves; I’m happy to scope and price that as its own milestone, then schedule further enhancements such as UI overhaul, speed optimisation, and new feature rollout. What I expect from the first engagement: • A concise technical audit outlining code quality, security risks, and effort estimates for each pending feature • Completion of the post-game analysis module, including integration with existing match storage and a clean, responsive UI element to display the results • Refactoring or redesign of any code that blocks solid performance or future scalability • A brief hand-over document and walk-through video so future contributors can jump in quickly I’m comfortable structuring the work in phased, costed deliverables and welcome your input on the best order of attack. Strong communication, clean Git practices, and demonstrable experience with JavaScript, Python or Java in live production environments will be essential. If this sounds like the kind of challenge you thrive on, let’s discuss the audit scope and first milestone.
Project ID: 40600305
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276 freelancers are bidding on average $446 AUD for this job

Hi — Elias here from Miami. I see you’re looking to redevelop and expand your chess platform. The goal here seems to be enhancing user experience while ensuring robust performance as you scale. What usually matters most here is maintaining a seamless integration between the front and backend, especially with real-time gameplay features. The tricky part is usually managing state and ensuring smooth interactions, particularly as user numbers grow. Moreover, as you expand functionalities, keeping the system maintainable and reliable will be crucial. My approach would involve structuring the application with a focus on modularity and clear separation of concerns. This ensures future updates and integrations can be implemented with minimal disruption. I’ve worked on similar platforms where real-time data handling and user interactions were key, which has equipped me to foresee potential bottlenecks. A few questions to better understand the scope: Q1 – What specific features do you envision adding in this expansion? Q2 – How do you currently manage user permissions and roles? Q3 – Are there any integrations with other services you’re considering? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$600 AUD in 5 days
8.5
8.5

I’ve worked on custom web apps that needed exactly this kind of takeover: audit first, then stabilize, then build the missing core feature properly. Your brief is clear, and I can handle the first phase by reviewing the current codebase, documenting risks/blockers, and completing the post-game analysis flow with clean UI integration. I’m also comfortable working across JavaScript with Python/Java-backed systems and keeping everything organized in Git. If you want, I can start with the audit and analysis module as the first milestone and structure the next phases from there.
$750 AUD in 7 days
8.2
8.2

⭐⭐⭐⭐⭐ Enhance Your Custom-Coded Chess Platform with Expert Development ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for a developer to improve your chess platform. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects in platform development. I can conduct a thorough audit of your existing code, finalize the post-game analysis feature, and enhance overall performance within your budget. ➡️ Why Me? I can easily handle your project as I have 5 years of experience in web development, focusing on JavaScript, Python, and Java. My expertise includes code optimization, UI design, and feature integration. Additionally, I have a strong grip on version control and best coding practices, ensuring a smooth workflow. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ JavaScript Development ✅ Python Programming ✅ Java Services ✅ Code Auditing ✅ UI/UX Design ✅ Performance Optimization ✅ Feature Integration ✅ Git Version Control ✅ Responsive Design ✅ Technical Documentation ✅ Project Management ✅ Agile Methodology Waiting for your response! Best Regards, Zohaib
$350 AUD in 2 days
8.1
8.1

Hi, I will audit your existing chess platform, review the current JavaScript, Python, and Java codebase, and identify code quality, security, and performance improvements before moving into feature development. The first milestone will focus on building a robust post-game analysis engine with seamless integration into the existing match data, supported by a clean and responsive UI. I will also refactor performance bottlenecks, improve scalability, and provide clear documentation with a handover walkthrough to support future development. Having worked on custom MVPs, platform enhancements, and scalable web applications, I understand the importance of maintaining clean Git workflows and phased delivery. I recommend starting with the audit, followed by the analysis module, then UI and performance optimization in planned milestones. Let's discuss further. Regards. SNR
$500 AUD in 7 days
7.7
7.7

This looks like a great fit, Hi, I will audit your kingsforchess codebase (JavaScript front end, Python/Java back end), then build out the post-game analysis engine as milestone one. You get a working analysis UI wired into your existing match storage, plus a short audit doc covering code quality, security gaps, and effort estimates for each pending feature. On a similar chess project, integrating Stockfish for move evaluation directly into the game review screen made the analysis feel immediate. I will apply the same approach here. Questions: 1) For the analysis engine, are you open to using Stockfish (or a similar UCI engine), or do you have a preferred evaluation method? 2) Is the Python or Java service handling match storage, and do I get full Git access on day one? Looking forward to your response. Best regards, Kamran
$287 AUD in 10 days
7.7
7.7

Hi there, I understand you are looking to enhance your chess platform both in design and functionality. With your existing setup built on JavaScript, Python, and Java, I'll streamline your backend services and elevate the frontend for an improved user experience. I will ensure seamless integration between these languages, using Git for version control to keep everything organized and up to date. My approach will focus on optimizing your current codebase, making the interface more intuitive and responsive. This will enhance user engagement and provide a more fluent playing experience. By keeping your current tech stack in place, we will save time and resources while expanding the platform to include new features as per your strategic goals. Best Regards, Khorshed Alam, RS Software
$425 AUD in 6 days
7.9
7.9

Hi, I'm a senior developer with 20+ years of experience delivering production systems, including full-stack applications like this chess platform, and I'll start with a technical audit of the existing JavaScript frontend, Python backend, and Java services to identify code quality issues, security risks, and performance bottlenecks. I'll refactor or rebuild the post-game analysis module to integrate with your match storage, add a responsive UI for displaying insights, and ensure the codebase supports future scalability while maintaining clean Git practices. I'll prioritize reliability and performance in staging before deploying, then provide a handover document and walk-through video for future contributors. I can start immediately.
$250 AUD in 8 days
7.1
7.1

Hi I understand you are looking for a hands-on developer to audit your existing custom chess platform (JS front end with Python/Java back end) and carry it to a polished, scalable release, starting with a strong technical audit and then completing an authentic post-game analysis engine as a first milestone. I’d approach this by treating the live staging code as a baseline, then turning what’s there into repeatable, maintainable modules. I focus on performance bottlenecks and integration correctness (match storage, APIs/services, and UI responsiveness), and I communicate clearly through concrete audit findings and implementation outcomes rather than theory. For your first engagement, I would run a code-quality and security audit across the active modules, identify unfinished blocks, and produce effort estimates per pending feature. Then I’d complete the post-game analysis module end-to-end: connect it to your existing match storage, add a clean responsive UI component to display analysis results, and refactor any performance or scalability blockers uncovered during the audit. Along the way, I would keep Git changes clean and reviewable, and deliver a brief hand-over document plus a walk-through video so future contributors can ramp up quickly. Best, Justin
$500 AUD in 7 days
6.8
6.8

Hello It sounds like you’re stuck with a half-finished chess platform and need someone to bridge the gap to a functional product. I specialize in completing custom-coded web applications and have previously built real-time game logic for similar platforms. I can jump into your existing codebase, stabilize the current features, and ensure the engine runs smoothly. Are you available for a quick call this week to discuss the current architecture and your remaining roadmap? Giáp Văn Hưng
$250 AUD in 7 days
6.9
6.9

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) and I read your Chess App Redevelopment & Expansion project carefully. Since half of the platform is already live, this needs someone who can understand the existing code fast, protect what already works, and expand it cleanly without creating new problems. I have about 15 years of experience with Java, JavaScript, Python, Git, frontend/backend development, and full-stack delivery. I’m comfortable jumping into an existing codebase, finding the real issues quickly, and turning partial builds into stable, maintainable products. My approach would be: 1. Review the current app structure and chess flow 2. Identify gaps, bugs, and architecture issues 3. Implement the next features in small, testable phases 4. Validate each step so the platform stays stable as it grows Could you please clarify the following questions to help me better understand the project? 1. Which parts are already complete, and what is the next priority? 2. Is there an existing backend, or is the current work mainly frontend JavaScript? 3. Do you want feature expansion, bug fixing, or both? I’ve worked on similar custom platforms, including game dashboards, membership apps, and booking systems, so I know how to take an in-progress product and move it forward the right way. If you want, I can review the live version and give you a clear plan before I start. -James
$600 AUD in 2 days
6.9
6.9

Hello, I have worked on staged Web Development projects where existing JavaScript front ends needed cleanup, performance fixes, and clearer user flows. Your chess platform also needs careful review of Python or Java services, match storage, and unfinished post-game analysis. I will start with a focused audit of code quality, security risks, and blockers for scale. Then I will complete the analysis module, connect it to stored matches, improve the responsive results UI, and provide clear Git history with a short hand-over guide and walk-through video. Best regards, Teo
$300 AUD in 3 days
6.6
6.6

I can help transform your chess platform into a polished and scalable solution. By conducting a thorough technical audit, I will identify areas for improvement and ensure that all key modules are completed effectively. I understand the urgency around the post-game analysis engine and the need for a responsive UI. This focus will enhance player experience and provide valuable insights, aligning perfectly with your project goals. With expertise in JavaScript, Python, and Java, I have the skills to deliver high-quality results. We have 20+ 5-star reviews on similar projects! Regards, InterconnectBPO
$400 AUD in 7 days
6.8
6.8

Hi, I've taken over half-finished JavaScript and Python codebases in production before, audited them, and carried them to a stable release with clean Git practices along the way. On the post-game analysis engine, one question decides the whole approach: are you running a chess engine like Stockfish server-side to score each move, or building analysis heuristics yourself? That choice drives the audit's effort estimates and how the results UI integrates with your existing match storage. I'd want to see the staging Git before committing to any milestone. We build Python and JavaScript products with AI-driven analysis at scale, including an AI SaaS that analyzes customer reviews and generates content to improve Amazon listings. I'd start with the audit as its own milestone so you only release on delivered work. Want to share the repo? Adil
$372.11 AUD in 7 days
6.6
6.6

Hi, I recently joined an existing platform where the first job was understanding someone else's code, fixing bottlenecks, and delivering new features without breaking production. I can start with a proper Git audit, review the JavaScript, Python, and Java services, then build the post-game analysis module with a clean UI and smooth integration. If needed, I can also improve performance, security, and architecture step by step instead of rewriting everything. One question: are you planning to use Stockfish for the analysis engine, or do you already have a custom evaluation service in place? Looking forward to discussing it. Best regards, Dev S.
$1,000 AUD in 10 days
6.6
6.6

Hi, I understand you need to replace the ad-hoc chess analysis logic with a structured engine that actually scales, not just displays game data. I’ve rebuilt a similar analytics dashboard for a competitive chess training platform where the move validator had to handle thousands of daily replays—turned out the original JSON parser was choking on large PGN files, so we rewrote it in Python with streaming and strict typing. I’d approach this using a dedicated move evaluation service (Java or Python) because it keeps the frontend lightweight and allows future AI model swaps without rewriting the UI. The biggest improvement will come from normalizing the existing game storage format first, so the new analysis module plugs in cleanly. I’ll keep every change in isolated commits with clear messages and run a performance benchmark on each PR to catch regressions early. The goal is a system that stays fast under load and lets you ship new analysis features without touching the core engine. If the audit and analysis module sound like the right first step, I can start right now. Thanks, Denis.
$400 AUD in 3 days
6.5
6.5

Your post-game analysis engine will fail under concurrent load if you're storing match data in a relational schema without proper indexing on player_id and game_id. This will cause 5+ second query times once you hit 10K+ games, making the feature unusable. Quick questions - are you using WebSockets for real-time move streaming, or polling? And what's your current database write throughput during peak hours? Here is the architectural approach: - PYTHON/JAVA BACKEND: Refactor match storage with indexed queries and implement a Redis cache layer to serve analysis results in under 300ms. - JAVASCRIPT FRONTEND: Build the post-game UI as a reusable React component with lazy loading so analysis doesn't block page render. - GIT/CI-CD: Set up automated testing pipelines and branch protection rules so future contributors can't merge breaking changes. I've rebuilt 4 SaaS platforms that inherited messy codebases and scaled them to handle 50K+ concurrent users. Let's schedule a 20-minute technical call to review your Git repo and scope the audit before you commit budget.
$450 AUD in 10 days
7.2
7.2

As an experienced full-stack developer with over 8 years in the field, I have amassed significant expertise in JavaScript, Python, and Java, among other crucial tech tools you've mentioned. Having contributed to a variety of production-grade projects, I am fully capable of not just auditing your current codebase and providing necessary security fixes but also turning your ambitious vision for this Chess app into a reality. My grasp on HTML, CSS, JS, TypeScript, and various front-end libraries such as React.js and Redux will be particularly valuable as we work towards filtering out any design flaws and inefficient functions while enhancing UI features swiftly. I am well-versed in implementing scalable solutions aligning perfectly with your project requirements. My ability to forge clean Git practices combined with comprehensive documentation ensures seamless onboarding for future contributors while my collaborative approach towards planning phased deliverables will guarantee efficient progress reports and desired outcome within your budget. Well aware of the importance of communication in project success, I can assure you of clear and constant updates throughout our engagement. Choose me because building successful projects like yours is what I thrive on and will continue doing so if given the opportunity.
$400 AUD in 5 days
6.6
6.6

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I’m a full-stack developer with 10+ years of experience in JavaScript, Python, Java, scalable web applications, code auditing, and performance optimization. I understand your chess platform is partially complete and needs a thorough technical audit, a robust post-game analysis module, and a clear roadmap for future development. I can review the existing Git codebase, identify performance and security issues, integrate a responsive analysis interface with your current backend, refactor critical components, and deliver clean documentation with a structured, milestone-based development plan. I have rich experience in JavaScript, Python, Java, system architecture, and application optimization. I am skilled in JavaScript, Python, Java, React, REST APIs, Git, SQL, and performance optimization. I’m ready to start immediately and would be happy to discuss the audit scope, first milestone, and long-term roadmap. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 AUD in 4 days
6.0
6.0

Hi, I specialize in turning business challenges into clean, reliable software — from automation and APIs to web applications, AI, and backend systems. What sets me apart: I focus on outcomes, not just deliverables. Every solution I build is designed to be maintainable, scalable, and aligned with your actual goals. Let's build something great together. Thanks, Deva
$450 AUD in 3 days
6.1
6.1

Respectfully, Your existing chess platform has a solid foundation, so I would start with a focused audit of the JavaScript frontend and Python Java backend before making changes. I can identify the main security performance and scalability issues and turn the unfinished modules into clear development milestones. I have experience with production web applications backend services and performance optimisation. I can take the post game analysis module first, connect it with your existing match data and build a clean responsive results interface without creating unnecessary complexity. Would you like the first audit to include a fixed milestone plan and effort estimate for the remaining features? Portfolio: https://www.freelancer.com/u/Hammadhassan21 I am available to discuss the project whenever convenient. Thanks.
$250 AUD in 7 days
6.5
6.5

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