Senior Web3 Software Engineer

We are a dynamic development team building a high-performance Layer 1 blockchain. Our technology is designed to deliver unmatched speed, scalability, and developer-friendly tools, empowering the next wave of decentralized applications.

Quantum Fusion Network is committed to overcoming the the barriers that have held mass adoption, paving the way for a truly scalable and efficient blockchain ecosystem.

As a Senior Web3 software engineer, you will play a key roles in the development of our SDK. You'll be part of the team working on QF Ecosystem and Development Tools.

Responsibilities and qualifications:

Must-have

1. Designs and implements dApps optimized for performance and user experience.
2. Designs and implements developer-facing SDKs that enable seamless integration with Web3 services, ensuring robust abstractions and compatibility across frameworks and environments.
3. Develops, deploys, and maintains user-facing interfaces of decentralized applications, ensuring seamless integration with blockchain data and a responsive, intuitive user experience.
4. Builds, deploys, and maintains server-side logic, including APIs, indexing services, and off-chain computation layers, with emphasis on performance and security.
5. Develops auxiliary tools to enhance the efficiency and productivity of developers workflows.
6. Produces comprehensive and developer-friendly documentation to ensure effective use of tools and features.
7. Tests user-facing blockchain interfaces to ensure functionality and accessibility.

Nice-to-have

1. Implements automated testing frameworks to validate features and ensure system reliability.
2. Engineers controlled failure scenarios in decentralized systems to identify vulnerabilities and improve system resilience, focusing on fault tolerance under adverse conditions and network instability simulation.
3. Develops and audits smart contracts using secure coding practices and formal verification methods to ensure correctness, efficiency, and resistance to exploits.
4. Leads and coordinates cross-functional engineering teams to deliver scalable, secure, and performant Web3 applications, fostering collaboration, aligning technical vision, and ensuring best practices in development and deployment.
5. 
   

Stack Expectation:

1. JavaScript/TypeScript, React/Vue/Svelte, web3 platforms (Polkadot ecosystem preferred)
2. polkadot.js/ ethers.js/ web3.js, WalletConnect, i18n
3. Node.js, Express/NestJS/NextJS
4. Webpack/Rollup/Vite, WASM, NPM, Jest, TailwindCSS
5. GraphQL, PostgreSQL, Redis, Docker, Subsquid/Subquery
6. CLI tools, Docker, CI/CD (GitHub Actions, GitLab CI), OpenTelemetry
7. Markdown, Docusaurus/Docsify, Git, Mermaid.js, OpenAPI/Swagger, Typst
8. Cypress, Playwright, BrowserStack, Axe (accessibility), Percy (visual testing)
9. Selenium, Playwright, Jest, Postman, Mocha/Chai, Hardhat test suite, CI pipelines
10. Gremlin, Chaos Mesh, Kubernetes, blockchain testnets, zombienet, Fault injection scripts, observability tools (Prometheus/Grafana)
11. ink!, Solidity, Vyper, Foundry/Hardhat, OpenZeppelin, MythX/Slither, Tenderly, Chainlink
12. Web3 systems design, architectural review tools (Structurizr, Lucidchart), GitHub, CI/CD tools

What We Offer:

1. Work on cutting-edge blockchain technology
2. Work in a professional team in a fast-growing company and distributed environment
3. Opportunities for career growth and professional development
4. Competitive salary from 4k usdt
5. Flexible remote working arrangements