Web3 Game project

Budget: 20000 USD Deadline: 35 days

Hello. I will take on the development of the Web3 infrastructure, smart contracts, and their integration with the backend of your Endless Runner. I have deep expertise in Web3 (working with nodes via WebSockets, Solana, blockchain analytics) and building high-load Full-Stack systems (React + Python). I will ensure a stable wallet connection, secure NFT minting, and instant distribution of tokenized rewards without delays for players. Which blockchain has been chosen as the main one (in the screenshots, I see Ethereum Mainnet, but for games, L2 or Solana is often used), and is the game engine API ready for connection with the Web3 backend?

Budget: 20000 USD Deadline: 30 days

Hello. We specialize in Full-Stack Web3 development, smart contracts, and custom frontends on Next.js/React.

I understand the task: we need to implement Web3 infrastructure for Endless Runner (Subway Rush) — minting/trading NFT characters/skins, tokenized reward logic, processing game sessions, and synchronizing the backend with smart contracts.

What we will cover in the project:

Smart Contracts & Tokenomics:

Development and optimization of smart contracts (ERC-20 for reward token, ERC-721/1155 for NFT assets).

Secure claim mechanism logic (transaction signing on the backend via ECDSA/HMAC to eliminate score manipulation from the client side of the game).

Web3 Integration & Frontend:

Wallet integration (RainbowKit / Web3Modal / AppKit) and social login (Dynamic / Privy for compatibility with Web2 users).

Integration of the Web3 stack with the game engine (Unity / Phaser / Three.js) and Node.js backend.

Marketplace and Dashboard:

Player cabinet: inventory, staking/minting, leaderboards, payout history.

Experience and stack:

Frontend/Web3: Next.js, React, Tailwind, Viem/Wagmi, Ethers.js.

Backend: Node.js, NestJS, PostgreSQL/Redis.

Conditions:

Budget: The turnkey estimate depends on the exact scope of contracts and the readiness of the game part (we are ready to break it down into Milestone stages in the Safe). Expand

Budget: 20000 USD Deadline: 60 days

Alberto, I reviewed the attached 10-screen Subway Rush concepts: wallet, NFT loadout/upgrades,
missions, leaderboard rewards, marketplace/token packs and the post-run claim flow.

I propose `20,000 USD / 60 calendar days` through Freelancehunt Safe, split into four separately
funded and accepted milestones:

1. `5,000 USD / 20 business days` - architecture and one testnet vertical slice: completed run →
authoritative score validation → reward claim → NFT/reward state in the web client.
2. `5,000 USD / 15 business days` - Hardhat/OpenZeppelin NFT and reward contracts, wallet flows,
explicit roles, pause/caps and replay/double-claim protection.
3. `5,000 USD / 15 business days` - TypeScript integration services for event handling, indexing,
player/reward state and the agreed leaderboard/mission boundary.
4. `5,000 USD / 10 business days` - test coverage, failure-path hardening, testnet release,
deployment scripts, threat model, runbook and team handoff.

The game client, art and gameplay remain with your game team. My verified background is 6+ years
in TypeScript/React and current commercial work with NestJS/Node.js APIs, integrations and
React/Vite interfaces. I will keep each milestone reviewable and test-driven and will not start
the next one before the previous result and scope are accepted.

The bid excludes mainnet deployment, public token sale, exchange listing, custody of production
keys, legal/tokenomics advice, fiat marketplace payments and an external security audit.

Before confirmation, please share the target chain/L2, current game/backend stack, wallet model,
score authority and anti-cheat boundary, token/NFT standards, repositories/tests and the expected
testnet acceptance flow. Expand

Budget: 20000 USD Deadline: 18 days

Hi,

I have strong experience building full-stack Web3 applications with React, Node.js, TypeScript, Solidity, and EVM-compatible blockchains. I've developed smart contracts, NFT functionality, wallet integrations, token-based systems, and secure backend APIs.

Your Endless Runner Web3 game is an exciting project, and I can help build scalable on-chain gameplay mechanics, NFT integration, token rewards, and a smooth player experience while working closely with your game and backend team.

I'd be happy to discuss the architecture and how I can contribute to the project.

Thank you.

Budget: 20000 USD Deadline: 10 days

Hello, Alberto! I have reviewed your extensive Web3 Endless Runner project. I understand that you are looking for an experienced blockchain developer, but I would like to offer my services as a Fullstack assistant for your team.

I can take on a significant portion of the backend and frontend routine to relieve your lead engineers:
1. Automation and Scripts (Python / Node.js): Writing stable asynchronous scripts for interacting with APIs, monitoring data, and automating processes.
2. Database Management: Designing, optimizing, and monitoring local databases (SQLite / MySQL) for storing game logs, user profiles, and metadata.
3. Layout and Interfaces (HTML5 / CSS3 / Tailwind CSS / JS): Clean cross-browser layout of the project's web interfaces, connecting data input forms, and adapting for mobile devices 100% according to your Figma layouts (Pixel Perfect).

I have a strong desire to work on an innovative Web3 project as part of a team. I write clean, optimized code, am always available, and ready to work towards results.

I would be very happy if you could invite me to a personal chat (profile discussion) for a detailed introduction and to discuss how I can specifically help your team. Let's work through a secure Safe!

Budget: 20000 USD Deadline: 60 days

we already have an almost ready similar solution that can be quickly adapted and launched for your Web3 game platform
we can take the blockchain full stack part - smart contracts, wallet connection, NFT logic, token rewards, backend services, admin tools, analytics and game integration
we are online now and can discuss the scope here on the platform ))

for an MVP stage I would estimate 20000 USD and about 60 days
this can include architecture, smart contract development, frontend and backend integration, testnet deployment, security review preparation and production launch support

our approach would be practical
- define the game economy and what must be on chain
- separate critical contract logic from off chain game services
- build NFT and reward flows with event tracking and anti abuse checks
- prepare admin tools so the team can manage drops, rewards and player data without touching code

relevant examples
- https://business.ingello.com/vorfahr - AI and SaaS automation with complex product logic and integrations
- https://business.ingello.com/fractal - agent based architecture and automation systems, close by complexity to scalable Web3 infrastructure
- https://systems-fl.ingello.com - Ingello Systems overview for freelancehunt projects

key questions
- which blockchain network do you plan to use - EVM, Solana, TON or another one
- do you already have game mechanics and tokenomics documented, or should we help design this part too Expand

Budget: 20000 USD Deadline: 60 days

Interesting project. Are you planning to use ready-made blockchain solutions (for example, Polygon, Solana) or custom smart contracts? I have experience in API integration and automation (Allegro, Sanity), which may be useful for the backend and Web3 gateways. I suggest we first agree on the architecture: frontend (Unity/WebGL) -> API Gateway -> smart contracts. What stack have you chosen for the game and blockchain? Example of work: https://freelancehunt.com/showcase/work/lyuksimport-premialnyiy-e-commerce-proekt-internet-magazin/2038489.html

Price: 20,000 USD
Deadline: 60 days

Budget: 20000 USD Deadline: 30 days

I've shipped full-stack products for about 3.5 years, and blockchain game infrastructure is where I want to focus next, so this project caught my eye immediately.

Your stack (Solidity, Hardhat, web3.js) maps well onto how I approach complex systems. I work primarily in TypeScript across the full stack, which makes integrating Web3 libraries into a frontend feel natural rather than bolted on. I've built production apps where clean architecture and proper dependency injection kept things maintainable as scope grew. That same discipline applies directly to smart contract design: clear separation of concerns, testable logic, no shortcuts that bite you during an audit.

For an endless runner with on-chain mechanics, the tricky part is usually the read/write latency between game events and chain state. I'd want to think carefully about what truly needs to be on-chain versus what can be verified off-chain and settled periodically, keeping gameplay smooth while preserving the integrity of the token rewards and NFT drops.

Happy to discuss the architecture in more detail or look at any existing contracts you have.

Budget: 20000 USD Deadline: 50 days

Hello. I am a senior full-stack developer with relevant experience in web development, backend integrations, and projects with non-standard logic. For your project, I can get involved in developing the Blockchain Full-Stack part for a Web3 game with NFTs, tokenized rewards, and linking the game frontend with the backend/API.
I envision the implementation through React for the web part, Node.js/Python for the backend, and a separate integration layer with smart contracts, wallet connect, and storage of game logic/events. First, I will clarify the mechanics of rewards, NFTs, and on-chain/off-chain boundaries, then I will assemble the architecture and start with the MVP of the key game cycle.
I am ready to discuss the requirements and propose a realistic step-by-step plan.
github.com/onyx144

Budget: 20000 USD Deadline: 30 days

Good evening. I have experience in game development, as well as in working with NFTs. I can share my work related to this. I am able to work in a team.

Budget: 19000 USD Deadline: 30 days

Hi Alberto, the endless runner concept with on-chain mechanics, NFT rewards and tokenized progression is a strong direction, especially if the reward logic stays transparent and gas-efficient for frequent in-run events. My core strength is the full-stack and backend side of this kind of build: Node.js/NestJS services that talk to your contracts via web3.js, a database layer for run history, leaderboards and player state, an admin panel to manage NFT metadata and reward parameters, and a clean API layer connecting the frontend, backend and chain. I would set up the architecture first, define how on-chain events sync with off-chain game state, then build the integration and player-facing flows around whatever contracts your Solidity engineer ships, testing thoroughly against Hardhat before touching mainnet or a testnet deployment pipeline. I can commit to a 30 day timeline for the full-stack and integration scope described here, working closely with your game and contract developers rather than in isolation. Could you tell me whether the smart contracts already exist or need to be written from scratch, and who on the team owns that Solidity work?

Budget: 20000 USD Deadline: 7 days

Good day, Alberto!

I have experience in developing games based on blockchain technologies, which allows for the creation of an innovative product with NFT-based mechanics and tokenized rewards.

Your task is to develop an Endless Runner game with Web3 elements. I understand that it is important to create a seamless experience for players, so it is crucial to consider all aspects, from smart contract integration to player interaction.

To propose a specific strategy, I need to familiarize myself more with the project. I suggest the following plan:
1. Discuss the game details, mechanics, and target audience.
2. Determine which technologies and platforms will be used.
3. After that, I will prepare a preliminary work plan and estimate.

The preliminary cost of my services is from $400 per month. The time to achieve results depends on the complexity of the project, usually 2-4 months for basic features.

In my profile, you can view examples of completed projects, including gaming solutions that confirm my expertise in this area.

I suggest we move to discussing your project in private messages to explore the goals and implementation plan in more detail. Expand

Budget: 20000 USD Deadline: 3 days

Which blockchain network and token standard do you plan to use for the on-chain gameplay, NFTs, and rewards?

I understand the focus is an Endless Runner with a seamless Web3 player flow. I will build the smart-contract and web integration layers, connect gameplay events to on-chain mechanics, and keep the player experience fast and clear alongside your game and backend teams.

I can deliver the first working scope in about 3 days.