Staff Software Engineer

Why Moonshot AI? Imagine websites that rebuild themselves on autopilot to sell more, convert better, and grow faster. At Moonshot AI , we’re making that happen — merging generative AI, large-scale data pipelines, and experimentation into a self-evolving web. We’re a well-funded, very early-stage startup with a massive vision. Joining now means you’re not just an employee — you’re helping set the technical and cultural DNA of the company. If you’ve ever wanted the autonomy of a founder with the backing of top-tier investors, this is it. What You’ll Build & Lead As our Staff Software Engineer , you’ll be the technical backbone behind Moonshot’s evolution engine - designing scalable systems, guiding engineering strategy, and mentoring the builders around you. You’ll balance hands-on depth with architectural altitude, turning vision into technical reality. You will: Work at the forefront of generative AI and agentic flows - build systems that let AI autonomously reason, experiment, and deploy real changes to the web. Architect the next generation of Moonshot’s experiment engine - scalable, observable, fault-tolerant, built for millions of daily events. Design and evolve our backend infrastructure across Python (Flask-RestX), serverless AWS, and data pipelines (ClickHouse, Postgres, Kinesis, Firehose, S3). Drive technical strategy - define our engineering principles, evolve architecture across microservices, ingestion, and LLM-driven systems. Mentor and multiply - uplevel senior and mid-level engineers through code reviews, pairing, and design docs. Collaborate cross-functionally - work with AI, product, and data science to translate business needs into resilient systems. Prototype and push boundaries - bring ideas from concept to production fast, balancing experimentation and rigor. Raise the bar on performance, security, and reliability as we scale toward SOC 2 and enterprise clients. This isn’t a people-management role - it’s technical leadership at its purest form: deep design, high leverage, and full ownership. Who We’re Looking For 8+ years of experience designing and shipping production systems at scale (bonus: 0→1 or startup environment). Strong expertise in Python , AWS , and JavaScript - you’re comfortable owning both backend and frontend architecture. Proven ability to design distributed systems (event-driven, microservices, or data-heavy architectures). You’ve been a technical lead or staff engineer - mentoring peers, reviewing designs, and setting engineering standards. Bias toward action and clarity - you simplify, document, and deliver. Deep curiosity about AI and experimentation - you love systems that learn and adapt. Bonus: experience with ClickHouse , LLMs in production , or ecommerce/analytics infrastructure. At Moonshot, culture isn’t fluff — it’s how we win Curiosity & Growth → We challenge assumptions, ask big questions, and push for mastery. Low Ego → No ivory towers — everyone gets their hands dirty. Ownership → You own outcomes, not just outputs. Shipping is step one; impact is the goal. Trust → Radical transparency and accountability, even when it’s hard. Agility → We move fast, test faster, and aren’t afraid to pivot. This Is Your Company → Ideas fuel breakthroughs. We’re all builders here. Enjoy the Ride → Startups are a rollercoaster — we create good vibes and celebrate wins together. What We Offer Competitive compensation Meaningful equity — real ownership in Moonshot AI’s success. Full health coverage (medical, dental, vision) for you + your family. Unlimited PTO — we trust you to take the time you need. Tax free commuter and parking benefits Office-first culture (4 days/week) — Midtown Manhattan, in the middle of it all. Work directly with the founding team — your impact is immediate, visible, and career-defining. Free One Medical Membership 401k

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