Product Engineer

Jack; San Francisco (CA); On-site; USD 150,000 - 275,000; Full time

Benefits offered by this job

Health insurance

Company-provided laptop and equipment

Meals and transportation support

Equity opportunities

Job summary

Jack is a fast-growing stealth startup building an AI-native platform designed to modernize how companies manage outbound sales and customer engagement.

You will build core features, develop high-quality full-stack applications, and collaborate with founders and cross-functional teammates to shape the product direction.

The environment is fast-paced and highly collaborative, with ownership, craftsmanship, equity opportunities, and the chance to impact an early-stage product.

Qualifications

• 0–4 years of software engineering experience, including internships or startup experience.
• Strong full-stack development skills with modern web technologies.
• Experience with React/Next.js or Python in production.
• Ability to take projects from concept to production independently.
• Experience with AI tools, SaaS, or workflow automation is a plus.

Responsibilities

• Build and improve core product features used daily by customers
• Develop high-quality full-stack applications and user-facing experiences
• Collaborate closely with founders and cross-functional teammates to shape product direction
• Translate customer feedback into scalable product improvements
• Ship features rapidly while maintaining strong attention to performance and design quality
• Contribute to AI-powered workflows, automation systems, and internal tooling
• Help create intuitive and polished user experiences across the platform
• Participate in product planning, technical architecture, and feature prioritization
• Continuously optimize workflows, usability, and overall customer experience

Skills

Full-stack development

React/Next.js/Python

User experience & design

Startup adaptability

Problem solving & communication

Tools

React

Next.js

Python

Job description

This fast-growing stealth startup is building an AI-native platform designed to modernize and simplify how companies manage outbound sales and customer engagement. By combining intelligent automation, seamless data integrations, and beautifully crafted product experiences, the company is reimagining workflows that have traditionally required multiple disconnected tools and manual processes. Backed by top-tier investors and experiencing rapid early traction, the team is focused on creating software that feels intuitive, elegant, and deeply useful for modern businesses. The environment is highly collaborative, fast-paced, and product-driven, with a strong emphasis on craftsmanship, innovation, and ownership.

Responsibilities

• Build and improve core product features used daily by customers
• Develop high-quality full-stack applications and user-facing experiences
• Collaborate closely with founders and cross-functional teammates to shape product direction
• Translate customer feedback into scalable product improvements
• Ship features rapidly while maintaining strong attention to performance and design quality
• Contribute to AI-powered workflows, automation systems, and internal tooling
• Help create intuitive and polished user experiences across the platform
• Participate in product planning, technical architecture, and feature prioritization
• Continuously optimize workflows, usability, and overall customer experience

Qualifications

• 0–4 years of software engineering experience, including internships or startup experience
• Strong full-stack development skills with modern web technologies
• Experience working with frameworks such as React, Next.js, Python, or similar technologies
• Ability to take projects from concept to production independently
• Strong product intuition and eye for user experience and interface quality
• Comfortable working in fast-moving startup environments with high ownership
• Excellent problem-solving and communication skills
• Passion for building polished, customer-centric products
• Experience with AI tools, SaaS products, or workflow automation is a plus
• Startup, founder, or early-stage company experience is a plus
• Competitive salary (150k - 275k ) and equity package
• Health insurance coverage
• Company-provided laptop and equipment
• Meals and transportation support
• Opportunity to work directly with experienced founders and early team members
• Fast career growth and significant ownership opportunities
• Highly collaborative and product-focused culture
• Exposure to cutting-edge AI and SaaS technologies
• Ability to make a meaningful impact at an early-stage company