Senior Software Engineer (AI-Native)

B-Stock•San Mateo, CA

1d•$145,000 - $175,000•Hybrid

About The Position

B-Stock is looking for a Senior Software Engineer to help design, build, scale, and maintain the next generation of our marketplace platform. You’ll work with expert technical leads and engineers to build the experiences at the core of our business, partnering closely with Product, Design, and other teams to execute key initiatives — and doing it in an AI-native way.

Requirements

7+ years of experience in software development.
An AI-native engineer: you already build with agentic/AI-assisted tools and have strong instincts for where they help and where they don’t.
An exceptional problem solver with a passion for tackling hard challenges.
Very comfortable with TypeScript and JavaScript, React, and a backend language such as Node.js, Python, or Ruby.
Able to deliver elegant, effective software solutions in a timely manner.
A clear, friendly, and open-minded communicator.
Successful in an agile environment; able to break down large pieces of work and deliver value incrementally.
Work Authorization required.

Nice To Haves

Experience building AI-powered product features — LLM integration, retrieval, evaluations, or agentic systems in production.
Experience scaling backend and distributed systems.
Strong testing and CI/CD discipline.
Hands-on experience shipping AI-powered features.

Responsibilities

Use AI-assisted and agentic development tools (e.g., Claude Code, Cursor, GitHub Copilot) as a daily, core part of how you deliver — not an occasional aid.
Orchestrate one or more AI agents across parallel work-streams, and know when to trust, verify, or override what they produce.
Bring strong engineering judgment to reviewing and validating AI-generated code — you own the output, the AI does not.
Decompose ambiguous problems into clear specs and prompts that an AI can reliably execute against.
Stay fluent in a fast-moving toolchain and help raise the bar for how the whole team works with AI.
Work closely with product owners to design, implement, and deploy systems that scale our e-commerce, content, and fulfillment operations.
Deliver elegant, effective software quickly, using AI to accelerate without sacrificing quality or ownership.
Provide thought leadership on process, tooling, systems, and software architecture — including how we adopt and get leverage from AI.
Improve and maintain existing systems, prioritizing maintainable solutions and removing friction from the development process.
Mentor other engineers through design and architecture planning, code review, and knowledge sharing.
Learn and grow continuously, staying ahead of emerging technologies and industry trends.