USD per year
Job Description for Founding Product Engineer at Bloom
Company Overview
- Bloom builds a brand system that extracts brand DNA (colors, typography, tone, visual style) from websites to generate on-brand marketing materials such as social posts, ads, mockups, logos.
- The product aims to be a brand hub that evolves with the brand over time and supports video, audio, campaigns, competitive research, trend monitoring.
- Launched in December 2025 with viral growth: 1.4M views, 14K users, 50k+ images generated in the first week.
- Raised $1M from investors including Guillermo Rauch.
- Part of YC Spring 2026 batch.
- Team currently consists of founder/CEO Ray and founding engineer Sid.
Role Summary
- Position: Founding Product Engineer
- Location: In-person in San Francisco (visa support available)
- Work directly with founder/CEO
- Small team with broad responsibilities and large product ownership
- Not a ticket-based role; involves owning big chunks of the product
Responsibilities
- Ship new product features end-to-end: UX design, building, shipping
- Improve product based on user feedback
- Build and refine AI pipelines including prompt engineering and evaluation systems
- Build email lifecycle flows for activation and retention
- Analyze funnels and form product hypotheses
- Fix issues as they arise
- Build internal tooling and dashboards
- Create micro-tools that could go viral on X (Twitter)
Candidate Profile ("You")
- True generalist: frontend, backend, AI engineering, growth experiments, product design, analytics
- Strong product sense; can ship improvements without detailed mockups
- Native AI tool user (Claude Code, MCPs, Skills, Agents)
- Autonomous with good judgment and taste for quality work
- High output with clean code and strong fundamentals; able to context-switch effectively
- Motivated by startups and shipping fast products people use
- Active on X (Twitter) following startup trends and tools
- Located in or willing to relocate to San Francisco
Why Join Bloom?
- Real traction with paying customers and strong MRR growth
- Massive ownership on a small team with clear product-market fit signals
- Opportunity to build in the hot AI + creative tools space where Bloom is already winning
- Beautiful product with a strong brand and community pride
- Mission-driven: making good design accessible at scale for businesses to avoid generic marketing materials
Application Information
- Apply link provided on the webpage (not included here)
Your brand should be beautiful. It should be consistent everywhere. And it should be deployable at scale. That's what we're building. It's never been easier to build a product, but brand still lags behind. Small businesses are stuck with Canva templates that look like everyone else's. Startups pay $10K–$50K for brand identity, then need designers on retainer just to deploy it. Either way, you end up with generic output or expensive, slow, designer-dependent creativity. Bloom turns your brand into a system. You give us your website, we extract your brand DNA (colors, typography, tone, visual style) and you can instantly generate on-brand marketing materials. Social posts, ads, mockups, logos. Assets that actually look like you. But images are just the start. We're building the brand hub, a system that deeply understands your brand, evolves with it over time, and becomes the engine for everything brand-related. Video, audio, campaigns, competitive research, trend monitoring. Every business should be able to look like themselves at scale.
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