Senior Full Stack Engineer 👶 About JuniorWe're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our clients include several of the top 10 global private equity firms, Big 4 professional services firms, and leading consulting practices: organisations responsible for deploying billions of dollars annually.We're a profitable, bootstrapped company with a growing team of ~28 people based in London and New York. We 10x'd our revenue in 2025 and are on track to grow 2-3x again this year. Junior saves clients an average of 10 hours per week, and we're expanding fast into new verticals including investment banking, hedge funds, and research firms.💡 Role DescriptionAs one of our first engineering hires, you'll have the unique opportunity to:Ship quicklyDesign and build new modes of working with computersWork on groundbreaking projects involving LLMsCollaborate closely with our external partners to fuel our growthContribute to product decisions, direction and prioritizationShape our engineering culture🔧 Sample set of projectsBuild new frontier products at Junior to ingest more types of research inputsBuild a voice-to-voice survey tool with extremely low latency that can autonomously conduct high volume of research tasksBuild a mobile app from scratch in 3 weeksCreate segmented knowledge graphs built on top of the output of unstructured ⇒ structured data transformationsBuild an AI native CRM system with deep links to the knowledge graph above🔥 About YouWe're looking for product-minded full-stack engineers who:Based in NYCAre eager to contribute to product decisionsHave strong communication skills and a desire for a client-facing roleAre proficient in our tech stack: Next.js, TypeScript, PostgreSQLBonus points for experience building & designing AI-powered products!Feel like you are never building fast enough🌵 BenefitsAll the usual benefits (competitive pay and equity, private healthcare etc). Unusual benefits:Gym membershipIn-office cookSummers working in Greece by the beachIf you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you!We can't wait to meet you! 🙌