Senior Fullstack Engineer, Core Analytics

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. About The Role & Team We’re looking for a Fullstack Engineer to join the Core Analytics team, the group behind our flagship analytics product loved by thousands of product teams worldwide. You’ll work with our Product Manager and Designer to define, build, and ship end-to-end features that elevate the Analytics experience. You’ll own your impact from shaping product direction to delivering performant, reliable, and delightful user experiences. Our engineers are customer-focused and solve complex data problems to deliver a better user experience. We deliver value quickly and iteratively. If you’re passionate about building exceptional data-powered experiences that help businesses understand their customers, we’d love to meet you. The team’s mission is to deliver a fast, intuitive, and reliable Analytics platform that empowers customers to confidently uncover insights about their products while driving infrastructure initiatives that strengthen and scale the platform. As a Senior Engineer, you will: Work with Product Management and Design to generate and turn novel ideas for solving customer problems into engineering solutions Drive business impact through owning the end-to-end delivery of projects Have a strong critical thinking and problem-solving mindset with attention to detail Get involved in performance optimization and scaling efforts Drive business impact through leading the highest-leverage projects Have interest or experience in technical leadership of an engineering team Mentor and contribute to the success of other engineers on the team You'll be a great addition to the team if you: 5+ years of experience building and improving robust, scalable backends and developing interactive, user-facing applications or websites. Understand the whole stack and flow of user-facing web applications. Backend experience with application backends, microservices, and supporting high-throughput ingestion systems Strong critical thinking and problem-solving mindset with attention to detail Have exceptional communication skills and a proven track record of successful delivery and execution Can synthesize customer input and architectural knowledge to create an outsized engineering impact Excellent communication skills and ability to adapt to changing requirements Have a constant desire to learn and grow in the field of web development Have experience in CI/CD pipelines Strong practitioner of automated testing Have familiarity with the following: React, TypeScript, Node.js, Python, JavaScript, Redux, AWS Have interest or experience in technical leadership of an engineering team Who We Are The Company: Amplitude is filled with humble, life-long learners who are eager to help one another and the company succeed. Our values of growth mindset, ownership, and humility are core to the way we work: we’re tenacious in the face of challenges, we take the initiative to solve problems that drive our shared success, and we operate from a place of empathy and openness, seeking to understand many points of view. The Product: Amplitude is a digital analytics platform—we help companies capture data they can trust, uncover clear insights about customer behavior, and take faster action. This empowers teams to build better product experiences that drive business growth. We’re super proud of what we’ve built and continue to expand: a platform that empowers companies to thrive in the digital era. 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 ​M​edical, ​D​ental,​ ​​​​​​​​Vision on select plans Flexible time off, ​p​aid holidays, and more Generous stipends to spend on what matters most to you, whether that’s wellness (monthly), commuter transit/parking (monthly), learning and development (quarterly), home office equipment (annual), and much more Excellent Parental benefits including​:​ 12-20 weeks of Paid Parental Leave, Carrot Fertility Benefits/Adoption/Surrogacy support, Back-up Child Care support Mental health and wellness benefits including no cost employee access to Modern Health coaching & therapy Sessions and high quality physician office experience via One Medical membership (select U.S. locations only) Employee Stock Purchase Program​ (ESPP)​ Other fun facts about Amplitude: We were recognized in the Newsweek Excellence Index 2024. Our customers love us! They've said we're the #1 product analytics solution for 19 quarters in a row on G2. We care A LOT about product innovation. Fast Company called us the #3 most innovative enterprise company in the world. 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. Amplitude provides equal employment opportunities (EEO). All applicants are considered without regards to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, or sexual orientation. This 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. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. #LI-SA1 #LI-Hybrid 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 Fraud We 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.