Senior Software Engineer
Job in
San Francisco, San Francisco County, California, 94199, USA
Listing for:
Ersilia
Full Time
position
Listed on 2026-09-06
Job specializations:
-
Software Development
AI Engineer (Applied/Software), Full Stack Developer, React.js, Front End Developer
Salary/Wage Range or Industry Benchmark: 180000 - 250000 USD Yearly
USD
180000.00
250000.00
YEAR
Job Description & How to Apply Below
About Us
We have the easiest way to build a website that your fans will love! We help creators centralize their online brand presences, connect with their audiences and partners in a streamlined way, and better understand how to build and improve their businesses. We're excited to tackle the rapidly growing, $200 billion creator economy. There's a huge opportunity to help creators build the businesses of tomorrow, and we're positioned to build the defining solution.
How
the Team Works
AI is a core part of how the engineering team operates: not a productivity hack, but a fundamental shift in how the team scopes, builds, and ships. The team uses AI coding assistants in production workflows, LLMs for planning and spec-writing, and agentic tools to reduce manual toil. Every engineer is expected to work this way and to raise the bar over time.
If you're still getting started with AI tooling, this probably isn't the right fit yet. If you have opinions on where it breaks down and you've already changed how you work because of it, the team wants to talk.
About the Role
We're hiring a Senior Full-stack Engineer to lead and own large parts of the product from ideation to implementation. The role is balanced across frontend (React/Type Script) and backend (Python/Flask). You will build and iterate on AI-powered creator tools, working alongside AI PMs and ML engineers, and be expected to have a point of view on what AI can and can't do in product.
You will build products that get millions of page views per day and scale them toward billions, lead frontend development with delightful UI/UX, and create systems that hold up as the platform grows.
What You'll Own
Build and iterate on AI-powered creator tools alongside AI PMs and ML engineersBuild products that get millions of page views per day and scale them toward billionsLead frontend development with delightful UI/UXCreate systems and see how all the moving pieces interactReach for AI tools as your default starting point: scoping, planning, spec-writing, code generation, debugging, and code reviewRequirements Must-Have
5+ years of full-stack engineering experienceAI-native work style as a hard requirement. AI tools are your default starting point. You can speak concretely about how they've changed your output or pace in the last 6 months.Real production usage of AI coding assistants (Cursor, Copilot, Claude Code, or comparable). Opinions on where they help and where they don't.Comfort using LLMs beyond code generation: planning, spec-writing, debugging, code reviewProficient in Type Script to power frontend React applicationsStrong Python skills for backend developmentFamiliarity with SQL and PostgresCustomer-centric mindset with strong empathy for creatorsComfort thriving in ambiguity and scoping solutions with teammatesBased in or willing to relocate to SF or NY. Hybrid, Tuesdays to Thursdays in the office.Nice-to-Have
Firebase experienceFlask experiencePrior experience at small, fast-paced startupsExperience with high-scale products (millions of page views per day or comparable)Prior collaboration with AI PMs or ML engineers on AI-powered product featuresHybrid From These Work Locations
San Francisco, New York#J-18808-Ljbffr
Position Requirements
10+ Years
work experience
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