Full-Stack Senior Software Engineer

Job-ID: d5ca7e93-0811-455e-a942-e85da8b29041Location: San Francisco, California, United StatesEmployment type: FULL TIMEPosted: 2026-09-11Amplitude is the leading AI analytics platform, helping over 5,200 customers—including Atlassian, Burger King, NBCUniversal, and Square—build better products and digital experiences. With powerful AI Agents embedded across our platform, teams can analyze, test, and optimize user experiences faster than ever. Ranked #1 across multiple categories in G2’s Winter 2026 Report, Amplitude is the best-in-class solution for product, data, and marketing teams. Learn more at amplitude.com.As an organization, we deliver for our customers by living our values. We operate from a place of humility, take ownership of problems and successes, approach challenges with a growth mindset, and put our customers at the center of everything we do.At Amplitude, we’re building the operating system for digital products. While we’re known as the leader in product analytics, our Statsig team is redefining how companies learn, iterate, and ship better experiences.Statsig is one of the fastest-growing and most strategic bets at Amplitude. It sits at the intersection of product, data, and decision-making, and we’re looking for a Product Engineer to help take it to the next level.Why this role mattersThis isn’t a “take tickets and ship code” role. You’ll operate as an owner, shaping both the product and the technical direction of a system used by some of the most sophisticated product teams in the world.You’ll work across the stack, NextJS and Node.js, to build intuitive, high-performance experiences that make experimentation accessible, powerful, and trustworthy.What you’ll doOwn critical product surfaces end-to-end from ideation to production and beyondDrive product direction in partnership with design and product leadersBuild and evolve systems across React and Node.js that scale with customer growthLeverage modern AI tooling to dramatically accelerate development, prototyping, and iteration cyclesRaise the bar for engineering quality - code, architecture, and user experienceLead by example - through hands-on development, technical mentorship, and thoughtful decision-makingMove fast on ambiguous problems, turning ideas into shipped, customer-facing valueWhat we’re looking for5+ years of experience in software engineering Education: B.S. in Computer Science or an equivalent technical fieldProven experience operating at a senior-level scope. You’ve led large, ambiguous initiatives with significant business impactStrong full-stack expertise (React + backend systems such as Node.js and/or Python)A deep sense of ownership - you don’t wait for direction; you create itExceptional product taste - you care deeply about UX, details, and building things people loveAn AI-native mindset - you actively use and experiment with the latest AI tools to amplify your impact and rethink how software gets builtAbility to balance speed and quality in a high-velocity environmentStrong judgment in technical trade-offs and system designWhat sets you apartYou think like a product builder first, engineer secondYou’re constantly reinventing how you work, using cutting-edge tools and workflows to achieve outsized resultsYou’re energized by open-ended problems with no clear “right” answerYou hold a high bar, not just for your own work, but for the team and product as a wholeYou turn ambiguity into clarity and momentumWhy AmplitudeWork on a product used by thousands of companies to make better decisionsBe part of a team that’s expanding beyond analytics into a full digital optimization platformJoin a culture that values ownership, velocity, and craftHave outsized impact on a top company priorityThis role is eligible for equity, benefits and other forms of compensation.Based on Colorado law, the following details are for individuals who will work for Amplitude in Colorado. Colorado range: $165,000 - $247,000 total target cash (inclusive of bonus or commission)Based on legislation in New York City, the following details are for individuals who will work for Amplitude in New York City. New York City salary range: $183,000 - $276,000 total target cash (inclusive of bonus or commission)Based on legislation in California, the following details are for individuals who will work for Amplitude in San Francisco Bay Area of California. Salary range: $183,000 - $276,000 total target cash (inclusive of bonus or commission)Based on legislation in California, the following details are for individuals who will work for Amplitude in California outside of the San Francisco Bay Area. California salary range: $165,000 - $247,000 total target cash (inclusive of bonus or commission)Based on legislation in Washington state, the following details are for individuals who will work for Amplitude in Washington state. Washington salary range: $165,000 - $247,000 total target cash (inclusive of bonus or commission)Based on legislation in Washington state, the following details are for individuals who will work for Amplitude in Washington only: unlimited PTO, 10 to 13 holidays annually (will vary), medical dental and vision PPO and CDHP plans. Finally, a company sponsored 401(k) retirement plan.Our values:At Amplitude, our values guide how we show up for one another and for our customers:Humility: We operate from a place of empathy and openness, seeking to understand many points of view.Ownership: We take the initiative to solve problems that drive our shared company success.Growth Mindset: We’re tenacious in the face of challenges and seek feedback in order to grow ourselves and others.Customer Centricity: We put the customer at the center of everything we do and are deeply committed to their success.We care about the well-being of our team: We offer competitive pay and benefits packages that reflect our commitment to the health and well-being of our Ampliteers.Some of our benefit programs include:Excellent ​M​edical, ​D​ental and ​V​ision insurance coverages, with 100% employer-paid premiums for employee Medical, ​Dental,​ ​​​​​​​​Vision on select plans401(k) retirement plan with an employer match of up to 1% of your eligible pay each pay period up to $2,000 annuallyFlexible time off, ​p​aid holidays, and moreGenerous stipends to spend on what matters most to you, whether that’s wellness (monthly), commuter transit/parking (monthly), learning and development (quarterly), new hire home office equipment, and much moreExcellent Parental benefits including​:​ 12 weeks of Paid Parental Leave, Carrot Fertility Benefits/Adoption/Surrogacy support, Back-up Child Care supportMental health and wellness benefits including no cost employee access to Modern Health coaching & therapy sessionsEmployee Stock Purchase Program​ (ESPP)Other fun facts about Amplitude:Our customers love us! They've said we're the #1 product analytics solution for 23 quarters in a row on G2.We care a lot about product innovation. We've made significant investments in talent and infrastructure to build the most powerful AI analytics platform on the market.We invest in our people. We offer mentorship programs, management training, and wellness initiatives.We give back to our communities. We give every Ampliteer a charitable giving grant and paid volunteer time off.We were founded in 2012, went public via a direct listing in September 2021, and are now trading under the ticker $AMPL.We’re a global and fast-growing team! We have employees around the world and offices in San Francisco (HQ), New York, Vancouver, Amsterdam, London, Paris, Singapore, and Tokyo.Our mascot is Data Monster, who loves to chow down on numbers, charts, and graphs. Nom nom.By applying for this job, you acknowledge that Amplitude processes your personal data in accordance with the Amplitude Applicant Privacy Notice.