Senior Full Stack Engineer

Opsin Inc — United States · Posted ~2 hours ago

Senior Full-time

Skills

React Next.js API design data architecture full-stack development Python TypeScript Node.js

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Summary ✨ AI‑Generated

A senior full-stack engineering role focused on building scalable products, designing systems, and delivering end-to-end features in a fast-moving technology environment.

Highlights

Senior product-focused engineering role with ownership of key features and opportunity to work on emerging AI-related technologies.

Description

← Careers Senior Engineer (Full Stack) The Role As a Senior Full Stack Engineer, you’ll help define and build the core foundation of our product. You’ll work across the stack, own key features end-to-end, and collaborate closely with founders, customers, and tech leads to shape the future of GenAI security. Your Experience & Skills 4–8+ years of experience in core software engineeringExperience building front end components in modern frameworks such as React, Next.js, and similarExperience designing scalable systems, APIs, and data architectureExperience shipping production software in a product-focused environmentAbility to work through ambiguity and solve complex technical problems(Desirable) Experience working with GenAI or ML in a professional, personal, or academic setting(Desirable) Python ecosystem experience(Desirable) Familiarity with TypeScript and the Node.js ecosystem Mindset & Fit Collaborative ─ thrives in a fast-paced startup environmentStrong opinions, loosely held ─ willing to debate, iterate, and adjustBias for action ─ prioritizes, ships fast, and avoids over-engineeringPassionate about AI and cybersecurityDesire to have impact on all aspects of the company’s success Why Join Us? Early impact: Help shape a category-defining product in GenAI securityGrowth & ownership: Work directly with founders and tech leads to drive innovationCutting-edge tech: Build with LLMs, AI security, and enterprise AI adoption strategies About Opsin Opsin is a venture-backed GenAI security company, funded by top-tier investors including Race Capital. We empower enterprises to safely adopt GenAI solutions like Microsoft Copilot, Google Gemini, and other LLM-powered agents by monitoring and securing enterprise data access. Our platform ensures employees can leverage AI without exposing sensitive or over-permissioned information. Employment Type Full-Time Compensation Competitive salary, benefits, and equity Location San Jose, CA / SF Bay Area (hybrid). The team works together in person 2–3 days a week at our locations in downtown San Jose and San Ramon. In-person collaboration is key for this position. Excited to secure the future of GenAI? Join us! Apply At careers@opsinsecurity.com