Full Stack Engineer II

Amplitude is the leading digital analytics platform, helping over 4,300 customers—including Atlassian, Burger King, NBCUniversal, Square, and Under Armour—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 by G2, 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 The Activation team at Amplitude is building a leading insights-driven activation platform that empowers businesses to unlock customer insights and make faster, smarter, and more cost-effective decisions. Our platform enables customers to proactively improve data quality, intelligently discover key audiences, and seamlessly activate data across a wide range of channels. We are responsible for building features to help customers find the right audience to target, visualize their customer journey to plan interventions and build scalable real-time and batch data pipelines along with an ecosystem of integrations that move data into and out of Amplitude and across our partner ecosystem. Today, this platform supports over 100+ integrations and processes over 800 petabytes of data per month and it's growing rapidly. We're looking for a Full Stack Engineer to join our Activation team. In this role, someone who isn’t afraid to take on the challenges of building and evolving a highly-sophisticated, data-intensive enterprise product. As one of the core members of the engineering team, you will be responsible for building innovative interfaces and cross-cutting architectural improvements for our Activation Platform, enabling self-serving data connections, simplifying customer insights generation, and ensuring a seamlessly integrated user experience with other Amplitude products. Why this role is special This isn’t a typical full-stack role. You’ll work across some of the hardest and most rewarding engineering challenges at Amplitude. Truly Full-Stack With Real Impact (70/30 Backend–UI) We’ll design and build robust backend systems and infrastructure while also shaping intuitive, polished product experiences. This means architecting the pipelines that power data activation and crafting the interfaces that make them accessible to customers. Complex, Data-Intensive Problem Space You’ll work on high-throughput data movement, real-time processing, and scalable pipelines, paired with the challenge of helping users visualize customer journeys and create powerful workflows without friction. Deep Product Collaboration You’ll work hand-in-hand with product and design to evolve an enterprise platform used by some of the world’s biggest companies. You’ll influence cross-cutting architectural decisions and help shape the future of activation at Amplitude. Massive Surface Area + Ownership You’ll touch integrations, pipeline architecture, insights generation, interfaces, and user experience. Few roles let you impact both how data moves and how customers interact with it. As a Full-stack Engineer, you will: Lead features, from ideation and implementation, through to launch. Integrate with backend services and improve our API infrastructure built with Python, Java, Node, GraphQL and Postgres. Develop new product features using TypeScript, React, GraphQL, and Tailwind CSS. Collaborate cross-functionally with product and design teams to iterate on our product. You’ll be a great addition to the team if you have: Passion for driving customer value, you think about how your work delivers value to customers. Interest in customer interaction, iterating with customers to develop novel innovative products. Attention to detail and commitment to high-quality, maintainable code. Strong understanding of software engineering fundamentals, algorithms, and system design. Enthusiasm for working across frontend and backend technologies to take full ownership of the problem. At a minimum, you need to have: B.S., M.S., or Ph.D. in Computer Science or another technical field. 2+ years of experience working as a full-stack engineer with a back-end focus. Previous experience with backend development in Python/Java. Previous experience with one or more JavaScript frameworks (React, Angular, Vue, etc.) is plus. 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. Benefits Excellent medical, dental and vision insurance coverages, with 100% employer-paid premiums for employee medical, dental, vision on select plans Flexible time off, paid 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 Newsweek Excellence Index 2024. Our customers love us They've said we're the #1 product analytics solution for 15 quarters in a row on G2. We’re focused on growth. Check us out in Deloitte’s 2023 Technology Fast 500™. 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 the data monster, who loves to chow down on numbers, charts, and graphs. 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. 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. #J-18808-Ljbffr