Full-Stack Senior Software Engineer

Amplitude is the leading AI analytics platform, helping over 4,700 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.Amplitude’s Commitment to Diversity Equity & Inclusion (DEI): Amplitude believes that diversity enables the creation of better products, improves the ability to solve complex problems, and drives more powerful solutions. We strive to create an environment of inclusion—one focused on psychological safety, empathy, and human connection—that will allow employees of all backgrounds to thrive.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.By applying for this job, you acknowledge that Amplitude processes your personal data in accordance with the Amplitude Applicant Privacy Notice.Staying Safe - Protect Yourself From Recruitment FraudWe are aware of individuals and entities fraudulently representing themselves as Amplitude recruiters and/or hiring managers. Amplitude will never ask for financial information or payment, or for personal information such as bank account number or social security number during the job application or interview process. Any emails from the Amplitude recruiting team will come from an @amplitude.com email address. You can learn more about how to protect yourself from these types of fraud by referring to this article. Please exercise caution and cease communications if something feels suspicious about your interactions.