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Senior Fullstack Engineer United States Jobs

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Senior Software Engineer - FullStack Eng / AI
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Join Uber's 3P team in Sunnyvale as a Senior FullStack/AI Engineer. Design scalable microservices and AI-driven conversational platforms using Golang, Scala, or Java. Enhance customer support with GenAI and LLMs, building chatbots that serve millions. Enjoy competitive compensation, equity awards...
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United States , Sunnyvale
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202000.00 - 224000.00 USD / Year
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Uber
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Senior AI Product Engineer, Fullstack
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Join Arize AI as a Senior AI Product Engineer, Fullstack. Build the core observability platform for AI engineers using React, TypeScript, Python, and Go. You'll design APIs, create UX, and work with LLMs in a collaborative, product-driven team. Enjoy competitive equity, comprehensive benefits, un...
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United States
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125000.00 - 225000.00 USD / Year
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Arize
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Senior Software Engineer - Fullstack
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Join Plaid in San Francisco as a Senior Fullstack Software Engineer. Shape the future of fintech by building scalable APIs and user experiences for thousands of developers. Leverage your 5+ years of expertise in microservices, modern JavaScript, and relational databases. Enjoy comprehensive benef...
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United States , San Francisco
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180000.00 - 270000.00 USD / Year
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Plaid
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Senior Software Engineer - Fullstack
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Join Plaid in New York as a Senior Fullstack Engineer. Shape financial tools used by millions, focusing 60-70% on scalable backend APIs and 30-40% on modern frontend. Requires 5+ years' experience with microservices, relational databases, and JavaScript frameworks. Enjoy comprehensive benefits in...
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United States , New York
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180000.00 - 270000.00 USD / Year
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Plaid
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Senior Software Engineer - Fullstack
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Join Rockbot as a Senior Fullstack Engineer to shape the future of business streaming media. You'll build scalable systems using Golang, Vue/React, and cloud platforms (GCP/AWS) in a collaborative, high-impact team. This remote US role offers equity and the chance to mentor engineers while workin...
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United States
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150000.00 - 210000.00 USD / Year
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Rockbot
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Senior Software Engineer - Fullstack
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Join our NYC team as a Senior Fullstack Engineer. Build robust, secure web APIs and cloud infrastructure using modern tools like Rust, Go, and Kubernetes. Enjoy equity, generous health benefits, flexible PTO, and a dog-friendly office. Collaborate to solve challenging data exploration problems fo...
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United States , New York City
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180000.00 - 220000.00 USD / Year
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Sigma Computing
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Senior Fullstack Product Software Engineer
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Join Dropbox as a Senior Fullstack Product Software Engineer in the United States. Design and develop seamless, scalable user experiences using your expertise in JavaScript, React, Node.js, and Python. Take ownership of key product areas, mentor junior engineers, and enjoy competitive benefits in...
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United States
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174100.00 - 265000.00 USD / Year
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Dropbox
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Senior Software Engineer - Fullstack
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Join our NYC team as a Senior Fullstack Engineer. Build robust, secure web APIs and cloud infrastructure using modern tools like Rust, Go, and Kubernetes. Enjoy equity, generous health benefits, flexible PTO, and a dog-friendly office. Collaborate to solve challenging data exploration problems.
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United States , New York City
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180000.00 - 220000.00 USD / Year
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Sigma Computing
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Senior Software Engineer - Fullstack
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Join Sigma as a Senior Fullstack Engineer in San Francisco. Build high-performance web applications using Rust, Go, and TypeScript on a modern data platform. Enjoy equity, generous health benefits, flexible PTO, and a collaborative, dog-friendly office. Solve complex challenges for a fast-growing...
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United States , San Francisco
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150000.00 - 220000.00 USD / Year
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Sigma Computing
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Senior Rust Fullstack Engineer
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Join a pioneering aviation tech startup as a Senior Rust Fullstack Engineer. Build mission-critical, real-time software for airline operations using Rust, Tauri, and TypeScript/React. Own core systems end-to-end in a role blending performance, scalability, and complex data visualization. Enjoy eq...
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United States , Los Angeles
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200000.00 USD / Year
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Lawrence Harvey
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Senior Fullstack Product Software Engineer, Core Growth
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Join Dropbox as a Senior Fullstack Engineer on the Core Growth team. You will build high-impact features across the full stack to optimize monetization, checkout, and subscriptions. This US-based role requires 9+ years of experience with modern frameworks like React and backend systems. Enjoy com...
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United States
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202700.00 - 274300.00 USD / Year
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Dropbox
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Senior Software Engineer, Email Team (Fullstack)
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Join OneSignal's Email Team as a Senior Fullstack Software Engineer. Develop scalable UI and API solutions for a leading customer engagement platform using TypeScript, Ruby, and Rust. Own features end-to-end in a collaborative, product-focused environment. Enjoy competitive equity and comprehensi...
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United States
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170000.00 - 190000.00 USD / Year
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OneSignal
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Explore the dynamic world of Senior Fullstack Engineer jobs, where technical mastery meets end-to-end ownership. A Senior Fullstack Engineer is a seasoned professional responsible for designing, building, and maintaining the complete technology stack of web applications and digital platforms. This encompasses both client-side (frontend) and server-side (backend) development, requiring a holistic understanding of how all pieces of a system integrate to create a seamless user experience and robust, scalable architecture. These roles are pivotal in modern tech teams, bridging gaps between user interface design, business logic, data management, and infrastructure. Professionals in these jobs typically shoulder a wide array of responsibilities. On any given day, they might architect new features, develop RESTful or GraphQL APIs, design intuitive user interfaces, optimize database performance, and ensure system security and reliability. A key aspect of the role is making high-level technical decisions, choosing appropriate frameworks and technologies to meet both immediate product goals and long-term scalability. Beyond coding, Senior Fullstack Engineers are expected to mentor junior developers, advocate for engineering best practices, participate in code reviews, and collaborate closely with product managers, designers, and other stakeholders to translate complex requirements into functional, elegant solutions. They own features from conception through deployment and iteration. The typical skill set for these positions is broad and deep. On the frontend, proficiency in modern JavaScript frameworks like React, Angular, or Vue.js, along with HTML, CSS, and state management libraries, is standard. Backend expertise often includes server-side languages such as Python (with Django/Flask), JavaScript/TypeScript (Node.js), Java, Ruby on Rails, or PHP (Laravel/Symfony). They are expected to be adept at working with databases, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB). Knowledge of cloud platforms (AWS, Google Cloud, Azure), containerization (Docker), orchestration (Kubernetes), and CI/CD pipelines is increasingly essential. Crucially, soft skills are paramount: strong problem-solving abilities, excellent communication, a product-focused mindset, and the capacity to work autonomously while guiding team efforts. Common requirements for Senior Fullstack Engineer jobs usually include 5+ years of hands-on software development experience with a proven track record across the full stack. Employers seek individuals who are not just coders but strategic thinkers capable of understanding business impact, analyzing trade-offs, and driving projects to successful completion. A passion for clean, maintainable code, a commitment to continuous learning in a fast-evolving field, and the ability to thrive in agile, collaborative environments are universal expectations. For those who enjoy variety, deep technical challenges, and seeing a product through from the database to the user's screen, pursuing Senior Fullstack Engineer jobs offers a rewarding and impactful career path at the heart of digital innovation.

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