Senior Full-Stack Engineer - AI Sales Transform... @ Underdog.io -Apply to top tech jobs in 60 seconds. A place where companies apply to you
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About Underdog.io
Underdog.io is a modern recruiting platform where companies apply to you. One of our hiring partners is redefining enterprise outbound sales through cutting-edge AI and LLM-powered agent technology, trusted by innovators like 1Password, Fivetran, and Greenhouse.
Mission
As a Senior Full-Stack Engineer - AI Sales Transformation, you will pioneer the future of sales technology by architecting and scaling AI-native products, automating complex sales workflows, collaborating with customers on roadmap decisions, and leading technical innovation in a product-led environment.
What You’ll Own
- Build end-to-end features using React, TypeScript, Node.js, and Python.
- Define architecture, quality standards, and development processes.
- Mentor junior engineers through code reviews and best practices.
- Design systems leveraging LLMs for sales task automation and analytics.
- Optimize performance for 100M+ interactions ensuring reliability and speed.
Your Expertise
- 6+ years building production-grade full-stack applications.
- 1+ year in a technical leadership role.
- Proven success in startups or high-growth tech environments.
- Mastery of distributed systems, API design, and database optimization.
- Strong communication in collaborative, product-driven teams.
Our Tech Stack
- Frontend: React, TypeScript, Vercel
- Backend: Node.js, Python, GraphQL/REST
- Infra: AWS, Kubernetes, PostgreSQL
- AI Tooling: LLM orchestration, agent frameworks, real-time analytics
Compensation & Benefits
- Base Salary: $175,000 – $240,000
- Meaningful equity ownership
- 100% covered medical, dental, vision
- Unlimited PTO and hybrid work model
- Annual learning stipend and leadership training
- Premium hardware and ergonomic workspace support
Our Culture
We build category-defining products with velocity and rigor, keeping customer success as our north star, and working together as one team.
Key skills/competency
Product Engineering, Full-Stack, React, TypeScript, Node.js, Python, Distributed Systems, API Design, Mentorship, AI Integration
How to Get Hired at Underdog.io -Apply to top tech jobs in 60 seconds. A place where companies apply to you
🎯 Tips for Getting Hired
- Research Underdog.io: Understand their platform, values, and culture.
- Customize your resume: Highlight full-stack and leadership skills.
- Showcase AI expertise: Provide examples of AI integrations.
- Prepare for interviews: Review technical and architectural questions.