AI-powered Web Application Developer

Posted 6 Hours Ago
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Hiring Remotely in United States
Remote
Mid level
Artificial Intelligence • Information Technology
LetsData is a narrative intelligence company that gives organizations an earlier detection point for emerging threats.
The Role
The developer will build AI-powered web tools, integrating APIs, setting up email delivery pipelines, creating interactive experiences, and managing subscriber data connections, all while ensuring secure coding practices.
Summary Generated by Built In
About the role: 
We are building a suite of AI-powered web tools and interactive experiences. Full product details will be shared with shortlisted candidates. We need a developer who can own the full stack end to end — from AI API integration and serverless backend logic through to frontend UX, email delivery pipelines, and lead capture flows. 

What you'll be responsible for:
  • Building and deploying AI-powered web tools with secure server-side API integration
  • Designing and building interactive experiences with branching logic and personalized result screens
  • Setting up transactional email pipelines that deliver formatted content or PDFs to subscribers on trigger
  • Embedding custom React components within Framer pages and maintaining consistency across mixed hosting environments
  • Connecting subscriber data to a CRM or email list tool and ensuring end-to-end capture-to-delivery flows are reliable and measurable

Required skills:
Core stack: Familiar with React, JavaScript, Node.js, HTML / CSS, Git / GitHub
AI & backend:
  • Anthropic Claude API — prompt engineering, structured JSON output, handling streaming responses
  • Serverless / edge functions (Vercel, Netlify, or Cloudflare Workers) — API keys must never be exposed client-side (but you already know this)
  • Basic rate limiting and abuse prevention on public-facing AI endpoints
Email delivery:
  • Transactional email API — Resend, Mailgun, SendGrid, or Postmark; HTML email templates, deliverability basics, and file attachment handling
  • Subscriber list integration — connecting email capture to a CRM or list tool (e.g. Mailchimp, ConvertKit, Loops, or Airtable) via API or webhook
PDF generation:
  • Programmatic, branded PDF creation from dynamic content using pdf-lib, jsPDF, or a headless browser approach (Puppeteer / Playwright)
Framer:
  • Custom code components and overrides within Framer — understanding its constraints around external scripts, state, and API calls
  • Comfortable working across a mixed setup — some pages on Framer, others on Vercel or a standalone host
Interactive experiences & conversion flows:
  • Multi-step, branching flows in React with state-managed logic and dynamic result screens based on user input
  • Lead capture and content gating — experience designing flows that convert visitors into subscribers

Nice to have:
  • Lightweight database or storage layer — Supabase, Upstash, or Airtable— for logging submissions and managing subscriber state
  • Background in marketing tech or growth tooling — understanding lead capture, drip sequences, and subscriber segmentation in practice, not just in theory
  • Experience shipping polished, conversion-focused web products (not just technical demos!)

How to apply: 
Please send a short note with links to one or two projects that demonstrate the relevant skills above — something that involves an AI API, an email pipeline, or a lead capture flow. No cover letter needed. Full product details will be shared after an initial conversation.
We are not looking for a generalist who has dabbled with AI wrappers. We want someone who can architect a secure, production-ready flow and has done it before.

Please answer pre-qualification questions.
Note: If you are unable to answer every question in detail, please do not be discouraged! We encourage you to submit your application regardless, as we consider the full scope of a candidate's experience and potential.

Before you submit:
  • Check for spelling errors.
  • Confirm that your application includes links to one or two projects that demonstrate a secure, production-ready flow involving an AI API, an email pipeline, or a lead capture flow, as requested in the application instructions. 
We appreciate you taking the time to provide these details. We will review your responses and be in touch regarding the next steps.





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The Company
30 Employees
Year Founded: 2022

What We Do

LetsData is a narrative intelligence company built for organizations that need to detect threats earlier than their current tools allow. Most security, risk, and fraud teams rely on detection systems that identify threats after infrastructure is live — suspicious domains, spoofed assets, flagged IPs, anomalous patterns. By that point, the operation is in motion and the narrative behind it has already spread beyond the infrastructure that can be taken down. LetsData's platform, Vantage, detects the behavioral stage that precedes infrastructure deployment: the narrative activity that signals a threat is emerging. Impersonation campaigns, synthetic amplification, manufactured consensus — whether they originate as orchestrated operations or organic posts that get weaponized after the fact — these produce detectable behavioral patterns before traditional indicators of compromise appear. For enterprises managing global brand risk, regulatory exposure, or converged security operations, Vantage provides a detection capability that closes the gap between narrative manipulation and crisis.

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