Job Description

This range is provided by Evolve Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$300,000.00/yr - $400,000.00/yr

Direct message the job poster from Evolve Group

Headhunter across Quant Engineering & Algorithmic Trading

Founding Senior Software Engineer (Frontend / Fullstack)

A hypergrowth AI startup backed by YC is hiring founding engineers to help shape the infrastructure behind its next-generation voice AI platform. This product is already powering real-time conversations for enterprise customers in sales, support, and retention workflows, millions of interactions, and growing.

As one of the first engineering hires, you’ll work across the stack (or specialise in frontend) to design and ship features that go directly into production. Whether it’s building beautiful call-flow editors, architecting new APIs, or designing distributed backend systems, you’ll be at the centre of high-impact, greenfield projects with clear business outcomes.

What You’ll Do

• Frontend: Build intuitive dashboards and interfaces for real-time call management, analytics, and agent configuration using modern frameworks like React.
• Fullstack: Own features end-to-end across the stack—think GraphQL APIs, backend services, deployment pipelines, and frontend UI.
• Architecture: Help define the technical architecture and scalability roadmap for a fast-growing, high-throughput voice AI platform.
• Iteration & Launch: Work closely with founders, product, ML, and GTM teams to quickly prototype, refine, and launch customer-facing features.
• Founding Ownership: Influence culture, engineering practices, and hiring as part of the founding team.

What We’re Looking For

• 3–15 years of software engineering experience (fullstack or frontend)
• Strong fluency in React (or similar), Python/Node, GraphQL, or equivalent modern web stack
• CS/EE/CE degree from a top-50 university
• Excited by early-stage company building, fast iteration, ambiguity, and ownership
• Bonus: Background in real-time systems, voice/audio, WebRTC, or streaming UIs

Why You’ll Love It

• Greenfield Engineering: Your code will directly power enterprise AI agents used in real conversations, no legacy, no bureaucracy.
• Massive Scope: Join a company that hit $10M ARR in year one and is just getting started. Every feature you ship will have direct revenue and product impact.
• Founder Access: Work shoulder-to-shoulder with technical founders and shape the engineering culture from day one.
• Perks: Competitive comp, meaningful equity, 100% covered health/dental/vision, catered meals, wellness stipends, and visa support (H-1B, green card).

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering, Sales, and Research

• Industries

  Engineering Services and Design Services

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Inferred from the description for this job

Medical insurance

Vision insurance

401(k)

Paid maternity leave

Child care support

Pension plan

Paid paternity leave

Disability insurance

Student loan assistance

Tuition assistance

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