Software Engineer - Kleiner Perkins Backed AI Startup

Day One Partners; San Mateo (CA); On-site; USD 140,000 - 200,000; Full time

Job summary

Day One Partners is seeking a Software Engineer for a stealth AI startup in San Mateo aimed at automating financial workflows. The role involves significant ownership of product development and opportunity to innovate with a senior team in a dynamic environment. Ideal candidates possess robust coding skills and have experience in fast-paced settings as they work on mission-critical systems.

Benefits

Medical insurance

Vision insurance

Significant ownership and impact from day one

Qualifications

• 2+ years of experience as a software engineer.
• Ability to work across the stack in a fast-paced environment.
• Experience building scalable and secure systems.

Responsibilities

• Build core features across backend, frontend, and data processing systems.
• Take ownership of complex projects, from design to deployment.
• Collaborate directly with users to improve workflows.

Skills

Coding skills

Backend development

Frontend development

Scalable systems design

Tools

React

Job description

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

Base pay range

$140,000.00/yr - $200,000.00/yr

Direct message the job poster from Day One Partners

Day One Partners is working with a stealth AI startup backed by top-tier venture firms. This company is building an enterprise platform that automates complex financial workflows for large organizations. Their product helps companies streamline their month-end financial close, replacing manual processes with automated systems and real-time insights.

They’ve raised an 8 figure seed round from leading investors and are scaling their founding engineering team. This is an opportunity to join a highly experienced team of engineers and leaders from top tech companies. They are hiring a Software Engineer to join their team onsite in San Mateo.

About the Role

This is a hands-on role where you’ll own major parts of the product and infrastructure. You’ll work across the stack, from backend systems to frontend applications, and collaborate directly with customers to improve workflows. The team moves fast, ships frequently, and values engineers who take full ownership of their work.

What You’ll Do

• Build core features across backend, frontend, and data processing systems
• Take ownership of complex projects, from design to deployment
• Work directly with users to understand their needs and close product gaps
• Help design scalable, secure systems trusted by enterprise customers
• Collaborate with a small, senior team that prioritizes speed and quality

What We’re Looking For

• 2+ years of experience as a software engineer (backend or full stack)
• Strong coding skills and ability to work across the stack
• Comfortable in a fast-paced, early-stage startup
• Motivated to ship quickly and iterate based on customer feedback
• Experience building systems that are scalable, reliable, and secure

Bonus Points

• Experience at a high-growth startup
• Strong Systems Design
• Familiarity with React or similar frontend frameworks
• Background in fintech, accounting, or complex enterprise systems
• Interest in building mission-critical products for finance teams

Why Join

• Be part of a small, experienced team that has built products at scale at some of the top tech companies
• Work on a complex product with real customer demand in a $300B market
• Significant ownership and impact from day one
• Backed by world-class investors with strong financial support and runway

If you’re interested in joining a stealth team redefining how enterprises manage financial data, reach out to Day One Partners to learn more.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Industries

  Financial Services, Technology, Information and Media, and Software Development

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Inferred from the description for this job

Medical insurance

Vision insurance

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