Full Stack Software Engineer

Sans•Culver City, CA

55d•$130,000 - $160,000•Hybrid

About The Position

Sans is building the next great consumer hardware brand, focusing on products that promote healthier living at home. They have already launched a leading air purifier and a water purifier, with more products planned. The company is a small, ambitious team that values speed, learning, and outperforming larger competitors. The Full Stack Engineer will be responsible for developing the software that powers both the customer experience and internal systems at Sans. This includes working with their Shopify Hydrogen storefront, multiple Next.js applications, and internal AI tools. The role reports to the Director of E-Commerce and collaborates with the CEO on technical priorities. It is a hands-on, fast-paced, and highly visible position where the engineer can quickly see the impact of their work. The ideal candidate is proficient across the full stack, utilizes AI development tools, is excited by a variety of challenges (from UX and conversion to data flows and AI features), and is comfortable working in a less structured environment, moving quickly from idea to production.

Requirements

Bachelor’s Degree in Computer Science preferred
4-7 years of professional software engineering experience building and shipping production applications
Strong React and TypeScript skills
Experience with the Shopify ecosystem, including Shopify APIs such as the Storefront API and Admin API.
Hands-on Hydrogen or headless Shopify experience is strongly preferred
Strong Next.js experience across both internal tools and customer-facing applications
Experience integrating third-party platforms such as Klaviyo, Attentive, Gorgias, or similar tools through APIs and webhooks
Active daily use of AI development tools such as Claude Code, Cursor, or Copilot as part of a real production workflow
Strong leadership & communication skills: listen, reflect, proactively learn, and thoughtfully mentor
Ability to work effectively with different groups of individuals – a team player
Ability to manage multiple moving pieces – hard working, organized, and results oriented individual
Strong time management and prioritization skills
Excitement for startups and building a company from the ground up
Applicants must be currently authorized to work in the United States on a full-time basis.

Nice To Haves

Experience building AI or ML features in production, including work with embeddings, vector databases, or retrieval systems
Background in DTC ecommerce or consumer brands
Mobile app development experience, including React Native or similar frameworks
Infrastructure and deployment experience across platforms such as Vercel, Shopify Oxygen, and Docker

Responsibilities

Own and improve the Sans headless storefront built on Shopify Hydrogen and React Router, with a focus on conversion, performance, and a clean purchase experience
Build the dedicated commerce experience that will support our upcoming mobile app and create a seamless connection between web and app
Architect and ship customer-facing AI features, including a conversational recommendation experience that helps customers find the right product for their home, use case, and environment
Build systems that turn customer feedback into usable signal by pulling from support tickets, reviews, and social comments and making that information accessible across the company
Develop internal tools and AI-powered workflows that help teams move faster across operations, customer experience, and growth
Maintain and expand integrations across our ecommerce stack, including Klaviyo, Attentive, Gorgias, and similar platforms, with clear ownership of APIs, webhooks, and data flows
Partner with the Head of Digital, Creative, and CX teams to translate customer needs and business priorities into shipped software
Contribute to technical strategy and help shape how Sans uses modern tooling, including AI-assisted development, to build faster and operate more effectively