Join to apply for the Software Engineer (Fullstack) role at Signify TechnologyJoin to apply for the Software Engineer (Fullstack) role at Signify TechnologyGet AI-powered advice on this job and more exclusive features.Job Title: Senior Software Engineer (Fullstack)Salary: $200k - $280k + Generous EquityLocation: San Francisco, CA (5-days Onsite)ResponsibilitiesLead the development of interactive tools and applications for visualizing large-scale scientific and machine learning data.Build foundational web infrastructure and internal tools to support data-intensive research workflows.Own product design end-to-end, including UX, internal tools, and visual branding.Collaborate closely with researchers and early users to define intuitive, valuable product experiences.Integrate LLMs into production systems, including decision-making on open-source vs proprietary model use.Deploy and maintain full-stack applications for both internal and external users.Requirements:Strong full-stack engineering experience, ideally with a frontend focus (e.g., 60% frontend / 40% backend).Proficiency with modern frontend frameworks (e.g., TypeScript, React, Svelte) and advanced data visualization libraries (e.g., D3, Vega, WebGL, Recharts, Three.js).Backend experience with Python, FastAPI, and working with data tools like DuckDB and Postgres.Deep interest in building intuitive, high-impact tools for technical users in data-heavy domains.Comfortable working closely with AI/ML researchers and shaping product experiences from the ground up.Strong design instincts and ability to create clean, effective user interfaces in scientific or technical contexts.Benefits:Fully Covered Medical, Dental, and Vision InsurancePaid Time OffParental LeaveFree LunchesTeam Building EventsCollaborative Team environmentIf you are interested in learning more about this position or any other roles we may have open, please apply today!Accessibility StatementRead and apply for this role in the way that works for you by usingour Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences.We make an active choice to be inclusive towards everyone every day.Please let us know if you require any accessibility adjustments through the application or interview process.Our Commitment to Diversity, Equity, and Inclusion:Signify’s mission is to empower every person, regardless of their backgroundor circumstances, with an equitable chance to achieve the careersthey deserve. Building a diverse future, one placement at a time.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesStaffing and RecruitingReferrals increase your chances of interviewing at Signify Technology by 2xSign in to set job alerts for “Software Engineer” roles.San Francisco, CA $130,000.00-$238,000.00 5 days agoSan Francisco, CA $150,000.00-$250,000.00 4 days agoFull-Stack Software Engineer (Jr/Mid level)Software Development Engineer I - Frontend & MobileSan Francisco, CA $99,500.00-$200,000.00 3 days agoSan Francisco, CA $150,000.00-$283,000.00 3 days agoSan Francisco, CA $99,500.00-$200,000.00 1 day agoSan Francisco, CA $150,000.00-$230,000.00 3 months agoSan Francisco, CA $130,000.00-$140,000.00 1 day agoSan Francisco, CA $150,000.00-$176,000.00 2 months agoSan Francisco, CA $120,000.00-$190,000.00 8 months agoSan Francisco, CA $125,000.00-$175,000.00 1 month agoSoftware Engineer, Frontend (All Levels)San Francisco, CA $150,000.00-$220,000.00 3 weeks agoSan Francisco, CA $120,000.00-$160,000.00 2 days agoSan Francisco, CA $99,500.00-$200,000.00 1 day agoAlameda, CA $130,000.00-$160,000.00 1 month agoSan Francisco, CA $165,000.00-$165,000.00 2 years agoSan Francisco, CA $150,000.00-$300,000.00 3 weeks agoSan Francisco, CA $120,000.00-$140,000.00 1 month agoSan Francisco, CA $140,000.00-$280,000.00 8 months agoSan Francisco, CA $190,000.00-$250,000.00 18 hours agoSan Francisco, CA $120,000.00-$200,000.00 2 years agoSoftware Engineer(s) - New Grad (Fall 2025 Graduation)San Francisco, CA $100,000.00-$200,000.00 1 year agoSan Francisco, CA $130,000.00-$185,000.00 2 months agoSan Francisco, CA $140,000.00-$180,000.00 1 month agoWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr