Job Title: Senior Software Engineer (Fullstack)
Salary: $200k - $280k + Generous Equity
Location: San Francisco, CA (5-days Onsite)

Responsibilities:

• Lead 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 Insurance
• Paid Time Off
• Parental Leave
• Free Lunches
• Team Building Events
• Collaborative Team environment

If you are interested in learning more about this position or any other roles we may have open, please apply today!

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Our Commitment to Diversity, Equity, and Inclusion:
Signify’s mission is to empower every person, regardless of their background
or circumstances, with an equitable chance to achieve the careers
they deserve. Building a diverse future, one placement at a time.