Software Engineer - Product

Koah Labs; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Koah Labs is seeking an experienced engineer in San Francisco to shape the foundation of our engineering organization. You will lead initiatives across our stack, diving into challenging and rewarding work, whether optimizing our matching algorithms or creating exceptional user experiences.

The ideal candidate has experience building production quality systems, enjoys cross-functional collaboration, and thrives in fast-paced, high-agency environments. This role offers the opportunity for end-to-end ownership and significant impact.

Qualifications

• Experience in building and scaling production systems.
• Comfortable with diverse technical tasks and ambiguity.
• Strong problem-solving and hypothesis testing skills.

Responsibilities

• Shape the foundation of the engineering organization.
• Lead initiatives with high product direction and design authority.
• Optimize matching algorithms and create user experiences.

Skills

Building and scaling production quality systems

Cross-functional teamwork

Problem-solving and hypothesis testing

Adaptability in fast-paced environments

Tools

Terraform

AWS

Ruby on Rails

React

Python

Job description

Our Stack

• Infra: Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, Cloudflare
• Data: PostgreSQL, ClickHouse, Redis, Kafka, Python
• Core Application: Ruby on Rails, React, TypeScript
• SDKs: iOS, Android, Web, Flutter, React Native

In this role, you will:

• Help shape the foundation of our engineering organization
• Lead initiatives across the stack, with high agency in product direction and technical design
• Dive deeply into technically challenging and rewarding work, whether it is optimizing our matching algorithms or creating world class experiences that reach millions of users
• Partner with cross functional stakeholders in data and GTM to drive product direction that our customers need
• Embrace an experimentation mindset - we are constantly trying to learn about how users are interacting with AI-native products, and use data from these experiments to drive our work.

You might thrive in this role if you:

• Have experience building and scaling production quality systems and experiences
• Are comfortable working across the stack, tackling new tasks out of your comfort zone, and can handle ambiguity
• Work well in-person and enjoy fast feedback loops
• Enjoy breaking down problems and testing your hypotheses
• Get excited about end-to-end ownership within high agency environments
• Have been a startup founder or an early-stage engineer