Senior Software Engineer

About us: Axiomatic_AI is dedicated to accelerating R&D by developing the next generation of Automated Interpretable Reasoning, a verifiably truthful AI model built for reasoning in science and engineering, empowering engineers specifically in hardware design and Electronic Design Automation (EDA), with a mission to revolutionize the fields of hardware design and simulation in the photonics and semiconductor industry. We seek highly motivated professionals to help us bring these innovations to life, driving the evolution from development to commercial product. Position Overview As a Senior Software Engineer focusing on Frontend at Axiomatic, you will: Own the entire product interface: design, implement, and maintain our web applications. Define UX/UI patterns for AI-assisted workflows focused on scientific workflows (chat interfaces, data visualizations). Collaborate closely with backend and AI teams to integrate complex functionality seamlessly. Establish frontend standards: component libraries, design systems, testing practices. Mentor mid engineers as the team grows. Balance beautiful design with technical performance (fast load times, responsive UI, accessibility). Key Responsibilities Product Development Build and maintain our web application (React Next.js, TypeScript). Design intuitive UX flows for AI-powered features (prompt editing, model selection, result visualization). Implement responsive, accessible, and performant UI components. Integrate with backend APIs (FastAPI, REST, WebSockets, SSE). Work closely with Product Owner to translate requirements into UI. UX/UI Design Create wireframes, mockups, and prototypes for new features. Establish and maintain design system and component library. Conduct user testing and iterate based on feedback. Ensure consistency across the product. Design for technical users (researchers, engineers, data scientists). Frontend Ownership Define frontend architecture and best practices. Ensure best practices are applied by the team. Set up testing strategy (unit, integration, smoke, e2e tests). Optimize performance (lazy loading, caching, bundle size). Review code and mentor team members. Contribute to technical roadmap and planning. Work with Backend/Tech Lead on API design. Collaborate with Product Owner on feature prioritization. Present demos and gather feedback from stakeholders. Required Skills & Experience Must-Have 7+ years of frontend development experience. Understanding of web performance optimization and SEO. Proficiency with CSS (SCSS, Tailwind, etc.). Experience with state management (Redux, RxJS, etc.). Collaboration and communication skills. Fluent in English (Spanish is a plus). Knowledge of WebSockets and real-time communication. Nice-to-Have Experience building AI-powered UIs (CopilotKit) chat interfaces, code editors, notebook-style interfaces). Background in scientific or technical product UX. Understanding of backend APIs (REST, GraphQL). Current Stack: Frontend: React (Next.js), TypeScript Styling: SCSS / Tailwind Testing: Jest, Cypress, Playwright Design: Figma Infrastructure: GCP, Cloud Run, CI/CD via GitHub Actions What we offer: Competitive compensation Stock Options Plan: Empowering you to share in our success and growth. Cutting-Edge Tools: Access to state-of-the-art tools and collaborative opportunities with leading experts in artificial intelligence, physics, hardware and electronic design automation. Work-Life Balance: Flexible work arrangements in one of our offices with potential options for remote work. Professional Growth: Opportunities to attend industry conferences, present research findings, and engage with the global AI research community. Impact-Driven Culture: Join a passionate team focused on solving some of the most challenging problems at the intersection of AI and hardware. At Axiomatic_AI, you will be working on technology that drives innovation in AI for scientific and engineering applications in line with our 10X30 mission. This is your opportunity to contribute to the development of new AI architectures that can reason coherently and produce interpretable and verifiable solutions. Consequently, see those ideas commercialized into products that will shape the future of hardware and computing, while collaborating with a global team of engineers and AI specialists. We believe in pushing the boundaries of what is possible and continuously seek to redefine the intersection of AI, with focus on formal consistency. If you're ready to take your expertise in artificial intelligence and physics to the next level, we want to hear from you Worried about not meeting every qualification? Studies show that women and people of color are less likely to apply for jobs unless they meet every listed requirement. At Axiomatic-AI, we are dedicated to creating a diverse, inclusive, and authentic workplace. If this role excites you but your background doesn’t perfectly match every qualification, we still encourage you to apply. You could be the perfect fit for this position or another opportunity with us. Apply for this job * indicates a required field First Name * Last Name * Preferred First Name Email * Phone Country Phone Resume/CV * Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile * Website What are your salary expectations for this role? * What is your notice period? * Do you require visa sponsorship to work in the country where this position is based? * Select... What is your preferred office location? * Barcelona Toronto Are you open to relocation? Select... Is your oral and written English proficiency upper-intermediate or higher? * Select... How did you hear about us? * Select... 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