
Open
Posted
•
Ends in 2 days
Sudoku Master: Full-Stack Web Application Description: Sudoku Master is a dynamic, full-stack web application that combines an advanced algorithmic backend with a polished, feature-rich user interface. Built with Python and Flask, this project dynamically generates playable Sudoku puzzles and utilizes a recursive backtracking algorithm for instant solving and live validation. Key Features Dual Game Modes: Features a progression-based "Campaign" mode with increasing difficulty, alongside a customizable "Free Play" mode. Algorithmic Engine: Powered by a Python backend that dynamically generates puzzles and validates mathematical correctness in real-time. Persistent Progression: Implements a JSON-based save system ([login to view URL]) via REST API to track the player's highest campaign level and personal best times. Advanced UI/UX: A responsive frontend equipped with interactive features including a live timer, dynamic mistake tracking, and a smart hint system. Custom Themes: Includes multiple visual themes, such as Classic Light, Midnight Dark, Vintage Sepia, and a clean "Zen Matcha" aesthetic. Reward Mechanics: A satisfying win-screen modal that congratulates the user and awards a "New Record!" badge for beating personal best times. Tech Stack Backend: Python 3.x, Flask Frontend: Vanilla JavaScript (ES6), HTML5, CSS3 Algorithm: Recursive Backtracking
Project ID: 40571270
65 proposals
Open for bidding
Remote project
Active 1 hour ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
65 freelancers are bidding on average ₹989 INR/hour for this job

Hi, I can build Sudoku Master exactly to spec. On the backend, I'll use Python/Flask with a recursive backtracking algorithm to dynamically generate puzzles, validate correctness live, and support both Campaign (progressive difficulty) and Free Play modes. I'll persist progress via a JSON-based save system (highest level, personal best times) exposed through a REST API. On the frontend, I'll build a responsive vanilla JS/HTML5/CSS3 UI with a live timer, mistake tracking, smart hints, a win-screen modal with "New Record!" badges, and the four custom themes you listed (Classic Light, Midnight Dark, Vintage Sepia, Zen Matcha). Happy to discuss whether difficulty should scale by clue count or solving technique before I start. Regards, Harsh Thoriya
₹1,000 INR in 40 days
8.5
8.5

Hi I have read you requirement and I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Game Development for Web PC and Mobile and have expertise on Unity , Flutter, Android Java, Kotlin, Swift, Unreal Engine, Python Django, as well as React , Node , Typescript, JS framework, Nest js , Next js, HTML5 game with AR & VR concepts with Blockchain implementation. Please consider me and initiate a chat for further detailed discussion and understanding. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹1,000 INR in 40 days
6.6
6.6

As an adept full-stack developer with 17+ years of experience, I believe I bring the perfect blend of technical skills and problem-solving abilities to bring your Sudoku Master web application to life. My extensive history in web, window and Android development has honed my instincts for crafting elegant, well-optimized code that maximizes both performance and user experience. Your project's Python-based backend aligns perfectly with my expertise, having worked extensively with the language to perform complex tasks like scraping and automation, crypto currency handling, stock trading software development and a lot more. My fluency in SQL Server Database adds another layer of value as it ensures potential performance issues are effectively mitigated. Your app's frontend development will be handled with utmost care using vanilla JavaScript, HTML5 and CSS3, ensuring high responsiveness and smooth interactions for your users. Additionally, my proficiency in creating seamless REST API integrations ensures that the save system you desire to implement will be reliable and easily manageable. Overall, I am passionate about building sophisticated web applications that deliver a top-notch user experience; let's partner together to create a truly engaging gaming platform.
₹1,000 INR in 40 days
6.1
6.1

Hi, I’ve reviewed the Sudoku Master scope and can deliver a clean full‑stack Flask application with the campaign, free‑play, and reward mechanics you described. I’ll build the backend around Flask with a MySQL database to store campaign progress and best times instead of a flat JSON file—this keeps data consistent under concurrent use and makes future features like leaderboards straightforward. The recursive backtracking solver will run server‑side with a timeout guard, and every puzzle‑generation request will be validated to ensure a unique solution before it reaches the frontend. On the UI side I’ll implement the four themes you listed using CSS custom properties, wire up the live timer and mistake counter in vanilla JavaScript, and add server‑side rate limiting on the hint and validation endpoints so the engine stays responsive. Before I start, could you confirm whether the campaign mode follows a fixed sequence of puzzles per level or if each level should pull from a difficulty‑based pool? That will determine how I structure the puzzle‑generation service and the progression logic. I can complete this in around 20 days for INR 1250.
₹1,250 INR in 20 days
6.0
6.0

Hey Niranjan, I've built REST APIs with Flask and Python-backed game logic before, so this project aligns well with my experience. I can handle the recursive backtracking engine for puzzle generation and validation, wire it to clean Flask REST endpoints for save/load operations using your JSON-based progression system, and ensure the frontend JavaScript communicates reliably with the backend. I'll implement proper route structuring for campaign and free play modes, handle CORS, and keep API responses consistent. The responsive UI with timer, hint system, and theme switching I can integrate cleanly using vanilla JS and CSS. I'm comfortable at your hourly range and can start immediately. What's your preferred timeline? Waiting for your response in chat! Best Regards.
₹1,000 INR in 3 days
5.4
5.4

I won't use Flask for new builds—I stick to Node.js, Go, or PHP stacks for production apps. But if you can move to Node.js and Express, I can build the same flow: live Sudoku board, recursive solver, campaign/free play modes, game state saved as JSON, and a REST API to serve and track puzzles. UI would be clean vanilla JS, HTML5, and CSS3, with theme toggles and in-browser timer/mistake tracking. Win-screen logic and reward mechanics handled client-side. If Python/Flask is non-negotiable, I’ll need to decline, as my stack is Node/JS only. Let me know if you’re open to Node.js—we’ll match feature-for-feature and have it live on your hosting. Pradeep
₹1,000 INR in 40 days
5.3
5.3

Hi Mate , Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Mobile App Development, Flask, Python, PHP, JavaScript, CSS, HTML and REST API. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. "New Record!" Looking forward to hearing you back and discussing all details.. Thanks & Regards
₹4,772 INR in 24 days
4.6
4.6

Hi, there. Your Sudoku Master project is a great match for my full-stack experience with Python, Flask, and modern JavaScript. I can build a clean, responsive application with an efficient backend and an engaging user experience. ✔ Flask backend with dynamic puzzle generation and recursive backtracking solver ✔ REST APIs with persistent JSON-based progress tracking ✔ Responsive HTML/CSS/JavaScript UI with timer, hints, mistake tracking, and themes ✔ Clean architecture, optimized performance, and well-documented code I'd be happy to discuss the game flow, architecture, and share similar full-stack projects I've developed. Looking forward to working with you. Thanks, Jaroslav Caprata
₹1,000 INR in 40 days
4.3
4.3

Hello, With 13+ years of experience in Python, Flask, and full-stack web development, I can build your Sudoku Master application with a robust recursive backtracking engine, campaign and free-play modes, persistent progress tracking, REST APIs, responsive UI, multiple themes, smart hints, timers, and reward mechanics. I'll deliver clean, well-documented, production-ready code with a polished user experience and scalable architecture. Thank you!
₹1,000 INR in 40 days
3.1
3.1

With my extensive experience as a Full Stack Developer (specializing in both MEAN and MERN stack), I am confident in my ability to deliver an exceptional Sudoku Master web app tailored to your needs. My proficiency in Python, Flask, and Vanilla JavaScript aligns perfectly with your project requirements for the powerful backend that generates puzzles as well as the frontend's dynamic UI. Moreover, my strength in integrating third-party components will be crucial in implementing the JSON-based save system (via REST API) that tracks campaign levels and personal best times. I also understand the gravity of delivering an immersive user experience and thus emphasize a clean approach to a responsive frontend design backed by smart features like a live timer, dynamic mistake tracking, and intelligent hint system. Additionally, I bring value by offering deployment expertise on AWS, DigitalOcean, Vercel, and more along with a knack for database optimization.
₹800 INR in 40 days
2.6
2.6

With a passion for building scalable digital solutions, I am confident that I can deliver a top-notch Sudoku web app to meet and exceed your expectations. My expertise in Full-Stack Development and proficient understanding of Python, Flask, HTML5, CSS3, and JavaScript (ES6) will enable me to masterfully implement the features of the project in line with your description. My strengths align perfectly with the constructs of Sudoku Master. The game's algorithmic engine that demands real-time dynamic puzzle generation, validation functionalities and data persistence through REST API is familiar territory for me. Over the years, I have honed my skills with recursive backtracking algorithm in Python and showcased an indomitable ability to integrate disparate components harmoniously - just like the advanced UI/UX which I understand need to gel seamlessly with responsive frontend features such as live timers, smart hint system etc. Above all, due to my experience in Technical Recruitment including Talent Sourcing, LinkedIn Recruitment and Reverse Recruitment among others, I understand that for any project as intricate as this it's important to have a reliable long-term partner who understands the technical landscape deeply while being committed to quality hiring and who delivers on-time without any compromise on code quality or support needed. Given a platform, I am confident about doing wonders with Sudoku Master! Looking forward!
₹750 INR in 40 days
2.1
2.1

Hey! With my 6+ years of experience in full-stack web development and in-depth grasp of Flask, Python, HTML, CSS, and Vanilla Javascript (ES6), I am confident in delivering a complete and efficient Sudoku Master: Full-Stack Web Application. Having successfully created similar projects involving algorithmic engines with recursive backtracking like this, I understand the complexity and nuances such an app needs. The project description resonates with my strength in full-stack development and frontend design. Additionally, I have hands-on experience managing JSON-based save systems for persistent progressions through REST APIs. Sudoku Master's advanced UI/UX is familiar territory for me, underlining my knowledge in clean architecture, modern design principles. My ability to deliver clean code after thorough testing will ensure a polished user experience even during complex operations like dynamic mistake tracking and smart hint system. Choosing me means getting more than just a developer who finishes the job; you're hiring someone that understands your needs from the context of your business, and one who cares about aligning technology solutions with your growth plans. Let's exceed expectations together as I help translate Sudoku Master's potential into an impactful reality for its users.
₹750 INR in 40 days
1.8
1.8

I understand you need a complete full-stack Sudoku web application with a powerful Python/Flask backend, responsive frontend, persistent player progress, and an engaging gameplay experience. I'll develop a clean, scalable application where the backend dynamically generates and validates Sudoku puzzles using a recursive backtracking algorithm, while the frontend delivers smooth gameplay with campaign and free-play modes, live validation, timers, mistake tracking, hints, custom themes, and a JSON-based save system through REST APIs. Would you like the application to be deployed online with complete source code and documentation, or do you only need the finished project files? Best regards, Akif k
₹750 INR in 1 day
1.1
1.1

Hi, see my work first then award your valuable project. I am the master of **full-stack web application and Python Flask development solutions**. I can easily build and enhance your Sudoku Master application with a powerful backend, interactive frontend, and scalable architecture. I will develop a robust Flask API, efficient Sudoku generation and solving algorithms, responsive UI, game progression, persistent save system, custom themes, and performance-optimized features to deliver a smooth and engaging user experience. Let's discuss further on chat and I can help you bring your Sudoku Master project to production quality. Tymofii
₹750 INR in 50 days
1.0
1.0

❤️ Dear Client ❤️, ⏳ Give me 30 seconds to prove I'm the right choice. I noticed you're building ⭐a full stack Sudoku web application with Flask and interactive gameplay. I've developed similar applications and understand the importance of performance, clean code, and engaging user experience. I can help with implementing the game logic, Flask APIs, responsive UI, save system, themes, and gameplay features while keeping the application scalable and maintainable. I have experience building Python and JavaScript applications with REST APIs and polished frontend experiences. Let's get started on transforming this small budget into big value!
₹1,000 INR in 40 days
0.0
0.0

Hi, your time is valuable so I'll keep this short. I understand exactly what you're looking to achieve. I'll build or improve your solution using REST API, PHP, JavaScript, CSS, Flask, Mobile App Development, Python and HTML, keeping the code clean, the functionality reliable, and everything aligned with your requirements. My focus is on delivering a solution that works right the first time, not just getting the job done. One quick question: is there anything you'd like me to prioritize before I get started? Rameen
₹954 INR in 26 days
0.0
0.0

Hi, How are you? I have read your project description carefully and I can help you build the Sudoku Master full-stack web application. I have 10+ years of experience in web development, including Python, Flask, REST APIs, JavaScript, HTML5, CSS3, algorithmic logic, and responsive UI/UX development. I can implement the Sudoku puzzle generator, recursive backtracking solver, live validation, campaign/free play modes, save system, timer, hints, themes, and win/reward mechanics. I can deliver clean backend code, a polished responsive frontend, stable game logic, and well-documented source code on time. Regards, Derek
₹1,000 INR in 40 days
0.0
0.0

Hello, Your Sudoku Master project is a great match for my skill set. I have experience building Python web applications with Flask, REST APIs, and interactive JavaScript frontends. I can help with: * Flask backend development and REST API integration * Sudoku generation and recursive backtracking solver implementation * Responsive HTML/CSS/JavaScript frontend * Campaign and Free Play game modes * JSON-based save system for player progress and best scores * Timer, hints, mistake tracking, and other interactive gameplay features * Performance optimization, testing, and bug fixing I write clean, modular, and well-documented code that is easy to maintain and extend. Throughout the project, I'll provide regular progress updates and ensure the application is responsive and performs smoothly across devices. I'm available to start immediately and would be happy to discuss your current project status and requirements. Looking forward to working with you. Best regards, Sunny Kumar
₹750 INR in 40 days
0.0
0.0

I understand you need a complete Sudoku web application that combines a strong algorithmic backend with an engaging, responsive user experience. I can help develop a polished full-stack solution with puzzle generation, validation logic, progression features, and an interactive frontend that keeps users engaged. My workflow includes understanding the game logic, designing the application structure, implementing Flask APIs, integrating the Sudoku generation and solving algorithms, building the responsive UI, adding timers/hints/themes/progression features, testing gameplay flows, and providing clean documentation. I focus on optimized code, smooth user experience, and maintainable architecture so future features can be added easily. Please review my profile and previous work. I’d be happy to discuss your idea and help build a reliable Sudoku platform.
₹1,000 INR in 40 days
0.0
0.0

Hello, I’m an experienced developer specializing in web, desktop, and game development. I can build a full‑stack Sudoku web app with clean UI, responsive design, and efficient backend logic. My expertise includes JavaScript, Python, and database integration, ensuring smooth gameplay, user authentication, and scalable performance. I also bring creative skills in UI/UX design, video, and photo editing, making the app visually engaging. I’m committed to quality delivery, clear communication, and timely completion of your project.
₹800 INR in 40 days
0.0
0.0

Trichy, India
Member since Jul 5, 2026
$10-30 USD
₹12500-37500 INR
$750-1500 USD
₹1500-12500 INR
$10-30 USD
₹12500-37500 INR
₹1500-12500 INR
$250-500 USD
₹37500-75000 INR
$750-1500 USD
₹1500-12500 INR
$15-25 USD / hour
₹12500-37500 INR
₹1500-12500 INR
₹1500-12500 INR
₹75000-150000 INR
₹500 INR
₹1500-12500 INR
$750-1500 USD
₹12500-37500 INR