Software Engineer - Full Stack (Frontend Focus)Emissary • San Francisco, California, United States

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Software Engineer - Full Stack (Frontend Focus)

Emissary

San Francisco, California, United States

San Francisco, California, United States

Apply Now

About

Software Engineer - Full Stack (Frontend Focus) Location Team What we're looking for We’re looking for a creative, product-minded engineer who thrives at the intersection of frontend engineering and AI developer experience. You’ll lead the design and implementation of intuitive, powerful interfaces that make training, fine-tuning, and evaluating AI models seamless and engaging. The ideal candidate obsesses over the details that make complex systems feel approachable — from thoughtful data visualizations to smooth real-time interactions. You care deeply about usability, accessibility, and creating delightful workflows that empower both expert AI engineers and newcomers alike. Responsibilities Lead the design and development of user-facing features for our AI training, fine-tuning, and RL platforms. Collaborate with product, design, and ML teams to translate complex workflows into intuitive, elegant interfaces. Implement real-time dashboards, visualizations, and interactive tools for model training and evaluation. Build and maintain performant, accessible, and responsive UIs that scale to handle large datasets and rich visual components. Develop frontend infrastructure — component libraries, design systems, and developer tooling — that speed up feature delivery. Integrate backend APIs and optimize data flow between frontend and ML systems. Stay ahead of modern frontend technologies and advocate for UX best practices across the company. Qualifications Strong experience with modern frontend frameworks (React preferred, Vue/Angular acceptable) and TypeScript. Proven track record of designing and implementing complex, data-rich web applications. Proficiency in crafting responsive, accessible, and pixel-perfect UIs. Experience integrating with REST or GraphQL APIs and handling real-time data (WebSockets, streaming APIs). Strong understanding of state management, component architecture, and performance optimization in large applications. Comfort working with backend services (Node.js, Python, or Go) to support full-stack feature development. Bonus: Experience building developer tools, visualization dashboards (D3.js, Plotly, ECharts), or AI/ML interfaces. Bonus: Familiarity with AI workflows, LLM fine-tuning, or reinforcement learning concepts. What we offer: An opportunity to be a part of a dynamic founding team and shape the future of an innovative AI company. Competitive salary and equity package. A collaborative and inclusive work environment. Access to cutting-edge technology and resources. Professional growth and development opportunities. At Emissary, we recognize that every employee is on their own unique journey and are honored that they choose to share a part of that professional journey with us. As such, in our time together, we center the employee experience around their desired goals - striving to ensure that you get as much out of our time together as you give. Our focus is to make you better in the ways you aim to be during the time you spend with us. About Us Emissary is an AI infrastructure platform that enables companies to build extraordinary proprietary AI capabilities that withstand the test of time. We’re a well-funded team with extensive production-grade AI development experience focused on making the development and dissemination of AI as smooth and rapid as humanly possible and are passionate about bringing the benefits of AI to the 99%. How to Apply Send your resume to outreach@withemissary.com with the subject as the role and a small blurb describing a piece of work you’re most proud of having done.
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San Francisco, California, United States

Languages

English

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