Senior Full Stack Software Engineer

AI Talent Hunt Looking for their Client: Sr. Software Engineer (Fullstack)Role details Salary: $200K - $400K On-site work policy: In-office 5 days/week in San Francisco, CA Full-time position Location: San Francisco, CA Tech stack: React, TypeScript, JavaScript Equity: Competitive equity Visa sponsorship details: Open to visa transfers (e.g. OPT, H1B transfers) Additional visa sponsorship details: Open to transfers About this roleHear the hiring manager explain what the mobile role involves24:45 As a Fullstack Software Engineer on the web team, you’ll drive revenue and company growth by bringing one of the fastest-growing mobile apps to the web. By owning the end‑to‑end web stack and our internal tools and dashboard, you’ll build our web infrastructure and create new opportunities for business growth. You’ll deliver a web version of Rips, our collectibles trading card app, and set the foundation for future web and Android. By setting the standards for this new platform, you’ll push the boundaries of what it means to be one of the fastest growing app in our category. What You’ll DoEstablish our web platform, setting the foundation and standards for how we build future web and Android apps.Utilize existing backend systems and infrastructure to create Rips for web in 3-6 months.Define our team’s best practices and standards for React (potential to work on React Native as well).Own all internal tools and our internal dashboard, making improvements that help the team be efficient and better use data to drive decision-making.Partner with backend engineers to design APIs and data models, contributing to API designs and app performance.Elevate UX with thoughtful motion, micro-interactions, and responsive design that feels native. RequirementsRole RequirementsDealbreakerWork experience Must have: Shipped a 0→1 consumer web product at a startup (not pure Big Tech) BaselineSeniority Required: 5+ years of experience in fullstack web engineering,​ with focus on React and TypeScript Work experience Required: Owned frontend platform/standards for a consumer-​facing web app Hard skills Required: Deep expertise in React and TypeScript (modern patterns,​ hooks,​ performance) Required: Built polished UI with motion/animations and pixel-​perfect Figma implementation Miscellaneous Required: Demonstrated ability to self-​prioritize and ship fast in ambiguous,​ high-​agency environments Nice-to-have Work experience Nice to have: Experience in real-​time features,​ payments,​ or consumer gaming apps Education Nice to have: No specific degree required Hard skills Nice to have: Experience partnering with backend engineers on API design and data models Traits to avoid Avoid: Pure Big Tech engineers with no startup or 0→1 product experience Avoid: Candidates who need heavy design/UX handholding — must have strong product sense What to ask candidatesAre you able to work in San Francisco and come into the office 5 times per week?Walk us through a 0→1 consumer web product you shipped and how long it took you to get it live.What's your experience with React and TypeScript and how have you used them to build polished consumer-facing UIs?Can the candidate be on-site? If not, is the candidate willing to relocate?What is their salary expectation?How actively is this candidate exploring new opportunities? Ideal candidates & backgroundsHear the hiring manager describe the ideal mobile engineer34:00 Ideal companies & backgroundsHere are a list of companies Triumph Labs likes to see candidates with past work experience from. You can also use these companies and adjacent companies as a place to start sourcing candidates. Consumer gaming and entertainment platforms with high-quality mobile/web experiences. 1. Consumer Gaming & Entertainment PlatformsHigh-quality mobile/web experiences FanDuelScopelyJam CityNiantic, Inc.DiscordRiot GamesTwitchEpic Games2. High-Craft Consumer Fintech & Marketplace CompaniesCompanies with complex purchase flows — explicitly mentioned by the hiring manager StripeBrexTinderDoorDashRampAirbnbLyftUberInstacart3. High-Growth Consumer Tech StartupsKnown for craft and polished UX FigmaNotionSuperhumanLoomis, Sayles & CompanyRetoolVercelReplitPitchBookLinear Technology Non-Ideal CompaniesTriumph Labs would like you to avoid sourcing candidates from these companies. 1. Pure Big Tech CompaniesEngineers may lack 0→1 startup or consumer product ownership experience — explicitly flagged as a dealbreaker GoogleAmazonIBMAppleMicrosoftMeta 2. Healthcare Tech CompaniesB2B-focused products and lower consumer quality bar — flagged by the hiring manager during profile review Health CatalystathenahealthDoximityCotivitiEPIC SystemsCerner Corporation 3. B2B Enterprise Software CompaniesUI craft and consumer experience are not prioritized — explicitly flagged by the hiring manager SprinklrZendeskSalesforceWorkdayServiceNowSAPOracleVeeva SystemsCoupa Job Overview Location San Francisco, CA Job Type Full-time Salary Range $200K - $400K