Software Engineer (SWE)

Software Engineer (Full-Stack)Location: San Francisco, CACompany Stage of Funding: Series AOffice Type: Onsite (5 Days/Week)Salary: $180,000 – $220,000 Base + Competitive EquityOn-Target Earnings (OTE): $350,000 – $600,000+ (Uncapped Performance Bonus)Company DescriptionOur client is a fast-growing, venture-backed AI infrastructure company building the systems that power the next generation of large language models and AI agents. Their platform enables frontier AI research through scalable data infrastructure, evaluation systems, and human-in-the-loop workflows used by leading AI companies and high-growth startups.With exceptional growth, significant funding, and a team comprised of engineers and operators from top technology, quantitative trading, and finance firms, this is an opportunity to help shape the infrastructure behind the future of AI.What You Will DoDesign, build, and maintain scalable full-stack applications supporting AI evaluation and experimentationDevelop distributed systems, APIs, and human-in-the-loop platforms used for frontier AI developmentBuild reliable backend services and modern frontend applications using TypeScript, React, Next.js, and Node.jsDevelop infrastructure for large-scale distributed experiments using Kubernetes, Kafka, and cloud platformsCollaborate closely with research, product, and design teams to rapidly prototype and launch new capabilitiesSolve challenging scalability, reliability, and performance problems across the platformParticipate in technical design discussions, architecture reviews, and code reviewsTake ownership of projects from ideation through deployment and ongoing iterationIdeal Candidate Background1–4 years of experience as a Software Engineer or Full-Stack EngineerStrong proficiency in TypeScript/JavaScript with experience building production applicationsExperience developing modern web applications using React, Next.js, Node.js, or similar technologiesStrong software engineering fundamentals and experience building scalable systemsComfortable working across frontend, backend, infrastructure, and cloud environmentsDemonstrated ownership of projects from design through productionExcellent communication and collaboration skillsPreferredExperience with Python, Kubernetes, Kafka, Redis, Elasticsearch, AWS, or GCPStartup experience or experience shipping products in fast-paced environmentsInterest in AI infrastructure, LLMs, distributed systems, or developer platformsExperience building internal tools, APIs, or data platformsStrong product mindset with a bias toward executionCompensation and BenefitsCompetitive base salary of $180,000 – $220,000On-target earnings of $350,000 – $600,000+Uncapped performance bonus with substantial upsideCompetitive equity packageSign-on bonus available for exceptional candidatesVisa transfer support availableOpportunity to work alongside experienced engineers from leading technology and quantitative firmsHigh ownership, rapid career growth, and exposure to cutting-edge AI technologiesJoin a highly technical, fast-moving engineering team building the infrastructure powering the next generation of AI systems. If you're excited by challenging engineering problems, startup velocity, and meaningful ownership, this is an opportunity to make a significant impact while working with some of the industry's strongest engineering talent.