{"schemaVersion":"jobsearcher.job.v1","id":"af77c4f37171e77ce21096fe","url":"https://jobsearcher.com/jobs/af77c4f37171e77ce21096fe","canonicalUrl":"https://jobsearcher.com/jobs/af77c4f37171e77ce21096fe","title":"Full Stack Engineer","description":"About Letter AILetter AI is the world's first unified revenue acceleration platform powered natively by generative AI. Our platform empowers sales teams at customers like Lenovo and Redpanda to ramp up faster with AI-powered training and coaching, instantly find and personalize collateral for customers, and engage their buyers with the industry's first AI Sales Room. We've raised $2.7M in seed funding from top-tier VC firms, including Y Combinator, Formus Capital, Soma, Pioneer Fund, and TechNexus. We are now scaling to $1M+ ARR and looking for a founding team to join us on the adventureThe RoleWe are looking for a full-stack engineer to join our team as one of our engineering first hires. You will play a pivotal role in shaping the company, our culture, and our platform. You will fully own critical customer features powered by the latest advances in generative AI.Your key responsibilities will include:Develop high-performance, responsive customer features in Python, React, Redux, and TypescriptImplement LLM-powered features across multiple modalities: text, image, video, audioCollaborate closely with the backend team to ensure smooth integration and contribute to architectural decisionsUnderstand customers needs and use that knowledge to improve the user experience.Qualifications for the role include:3+ years of experience in full-stack software developmentProven experience working with TypeScript/JavaScript, React, Python web development, API integrationFamiliarity with database fundamentals and infrastructure management using Terraform and AWSKnowledge of automated UI testing frameworksPast experience or strong interest in generative AIHighly collaborative mindset with strong communication and problem-solving skills.As a part of the team at this early stage, you will not only receive competitive salary and benefits, but also a meaningful equity stake in the company.How We OperateAt Letter AI, we want you to be unapologetically you while operating with our core principles in mind:Customer-obsessed: Make your customers unreasonably happy and everything else will fall into placeAmbitious yet practical: Set big goals, but stay grounded with disciplined execution and ruthless prioritizationDirect yet kind: Never hold back from speaking your mind, but do so in a way that is kind to your colleaguesDriven yet humble: Push for excellence and deliver fast, but keep your humility","company":"Letter Ai","rawCompany":"letter ai","city":"Millbrae","state":"CA","isRemote":false,"isActive":true,"createdAt":"2026-04-09T13:28:48.692Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full Stack Engineer","description":"About Letter AILetter AI is the world's first unified revenue acceleration platform powered natively by generative AI. Our platform empowers sales teams at customers like Lenovo and Redpanda to ramp up faster with AI-powered training and coaching, instantly find and personalize collateral for customers, and engage their buyers with the industry's first AI Sales Room. We've raised $2.7M in seed funding from top-tier VC firms, including Y Combinator, Formus Capital, Soma, Pioneer Fund, and TechNexus. We are now scaling to $1M+ ARR and looking for a founding team to join us on the adventureThe RoleWe are looking for a full-stack engineer to join our team as one of our engineering first hires. You will play a pivotal role in shaping the company, our culture, and our platform. You will fully own critical customer features powered by the latest advances in generative AI.Your key responsibilities will include:Develop high-performance, responsive customer features in Python, React, Redux, and TypescriptImplement LLM-powered features across multiple modalities: text, image, video, audioCollaborate closely with the backend team to ensure smooth integration and contribute to architectural decisionsUnderstand customers needs and use that knowledge to improve the user experience.Qualifications for the role include:3+ years of experience in full-stack software developmentProven experience working with TypeScript/JavaScript, React, Python web development, API integrationFamiliarity with database fundamentals and infrastructure management using Terraform and AWSKnowledge of automated UI testing frameworksPast experience or strong interest in generative AIHighly collaborative mindset with strong communication and problem-solving skills.As a part of the team at this early stage, you will not only receive competitive salary and benefits, but also a meaningful equity stake in the company.How We OperateAt Letter AI, we want you to be unapologetically you while operating with our core principles in mind:Customer-obsessed: Make your customers unreasonably happy and everything else will fall into placeAmbitious yet practical: Set big goals, but stay grounded with disciplined execution and ruthless prioritizationDirect yet kind: Never hold back from speaking your mind, but do so in a way that is kind to your colleaguesDriven yet humble: Push for excellence and deliver fast, but keep your humility","datePosted":"2026-04-09T13:28:48.692Z","dateModified":"2026-04-09T13:28:48.692Z","hiringOrganization":{"@type":"Organization","name":"Letter Ai","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"af77c4f37171e77ce21096fe"},"url":"https://jobsearcher.com/jobs/af77c4f37171e77ce21096fe"}}