Senior Fullstack Engineer

svg]:pointer-events-none [&>svg]:size-3 [a&]:hover:bg-accent [a&]:hover:text-accent-foreground rounded-md border-transparent py-1 tracking-wide bg-gradient-to-r from-amber-500/15 to-orange-500/15 text-amber-600 dark:text-amber-400 ring-1 ring-amber-500/20" data-state="closed"> Urgently Hiringsvg]:pointer-events-none [&>svg]:size-3 [a&]:hover:bg-accent [a&]:hover:text-accent-foreground rounded-md border-transparent py-1 tracking-wide bg-linear-to-r from-teal-500/10 to-emerald-500/10 text-teal-600 dark:text-teal-400 ring-1 ring-teal-500/20 cursor-pointer transition-all duration-200 hover:from-teal-500/20 hover:to-emerald-500/20 hover:ring-teal-500/30" data-slot="badge" href="/login"> Check eligibilitySenior Fullstack Engineer1 day ago Senior San Francisco, USA Onsite Full Time Fullstack Jobs by Daily Active UsersDaily Active UsersDaily Active Users, Inc. is the company behind daily.fun, a daily game platform for internet culture featuring collectible card packs, predictions, price up-or-down games, and a leaderboard.svg]:pointer-events-none [&>svg]:size-3 text-foreground [a&]:hover:bg-accent [a&]:hover:text-accent-foreground" href="https://ecosystem.vision/organizations/info/daily-active-users">Company intelligenceDistributedAbout Daily Active UsersDaily Active Users builds Daily, a daily game for internet culture accessible at daily.fun. The product includes several game modes such as collectible card packs, predictions, fast price up-or-down games, and a competitive leaderboard. Daily is currently in private early access, with users able to join a waitlist to request an invite. The company appears to target general consumers interested in casual, internet-culture-themed gaming, and lists investor contact emails for interested parties.svg]:px-3 w-full" data-slot="button" data-variant="secondary" data-size="default" href="/o-daily-active-users">View jobs by Daily Active UsersSkillsApiBackendBlockchainDatabaseDeploymentEthersFrontendGraphqlIndexingNext.JsNode.JsReactRestRustSmart ContractSolidityTransaction SigningTypescriptViemWagmiWallet AuthenticationWeb3WebsocketCandidate Availabilitysvg]:pointer-events-none [&>svg]:size-3 [a&]:hover:bg-accent [a&]:hover:text-accent-foreground border-sky-500/20 bg-sky-500/5 text-sky-200 transition-colors cursor-pointer hover:border-sky-400/50 hover:bg-sky-500/15 focus-visible:border-sky-400/50" title="San Francisco">Onsite San Francisco RequiredRequired and preferred rules are kept separate and reflect the wording in the original posting.About The RoleYou will build and own Daily’s core engine across high-throughput backend services, indexing, smart contract integrations, and responsive client systems. You will ship end-to-end features, create APIs, connect frontend and backend services, manage real-time state, integrate wallet and blockchain workflows, prototype experiments, and deploy production software quickly. You will work directly with founders and own features from interface through server logic and database layers.RequirementsStrong TypeScript skillsStrong React skillsStrong Next.js skillsStrong Node.js skillsExperience with frontend and server-side codeFamiliarity with wagmiFamiliarity with viemFamiliarity with ethersExperience with wallet connectionsExperience handling on-chain dataAbility to design clean database schemasExperience building REST endpointsExperience building GraphQL endpointsExperience building WebSocket endpointsExperience writing or auditing smart contracts in Solidity or Anchor/Rust is a bonusExperience with prediction markets, decentralized exchanges, perpetuals desks, or real-time gaming engines is a bonusResponsibilitiesShip full-stack features from the user interface through server logic and database layersCreate fast and reliable APIsConnect frontend applications to backend servicesManage real-time application stateHandle wallet authentication and transaction signingRead and write data from the blockchainBuild experiments quicklyLearn from user feedbackContinuously ship improvementsOwn features end-to-endDeploy production codeBenefitsMeaningful equityHealthDentalVisionRemote work arrangements considered case by case