Member of Technical Staff (Backend Engineering)

Krew; San Francisco (CA); On-site; USD 120,000 - 210,000; Full time

Job summary

Krew is seeking a (Human) Member of Technical Staff specializing in backend engineering in San Francisco. You will design and build backend APIs and services powering our AI agents and operations tooling, and ship features end-to-end from data model to API.

You value high-quality code, strong testing, documentation, and collaboration with design, risk/compliance, and ops. You will help improve reliability, observability, and performance across the stack, and contribute to evolving engineering

Qualifications

• At least 2 years of full-time professional backend or full-stack experience.
• Experience with Python and Go.
• Strong testing, reviews, and documentation habits.

Responsibilities

• Design and build backend APIs and services powering AI agents and operations tooling.
• Ship features end-to-end from data model to API to UI.
• Improve reliability, observability, and performance across the stack.
• Collaborate with design, ops, and risk/compliance to ship safe, compliant features.
• Write tests, enforce code quality, and participate in design/review discussions.
• Help evolve engineering standards and product development process.

Skills

Backend development (Python, Go)

Testing & code quality

Product mindset

Tools

Git

Job description

Krew is on a mission to transform credit-servicing with the industry’s most advanced AI credit-servicing agents.
We are backed by Long Journey Ventures (Arielle Zuckerberg, Pascal Levy-Garboua), and strategic angels including Ryan Hoover (Founder, Product Hunt), Charlie Songhurst (Board Member, Meta), and Michael Jones (Former Chair, Huntington Bank Ventures).
We are a talent dense team comprising of ex-Figure Robotics, Optiver, Artificial Analysis, Bain, the United Nations, UChicago, and Oxford engineers and researchers.
Our omnichannel agents are supporting >100,000 consumers on their pathways to financial wellness. And we're just getting started - our goal is to resolve more than $1 trillion in outstanding consumer delinquencies worldwide with an empathetic, human-centric approach to financial wellness.

Job Description:

We’re looking for a (Human) Member of Technical Staff specializing in backend engineering. We’re seeking sharp engineers who value high‑quality code, thrive in collaborative teams, and are excited by rapid innovation.

Job Responsibilities:

• Design and build backend APIs and services that power our AI agents and operations tooling
• Ship user-facing features end-to-end (from data model to API to UI)
• Improve reliability, observability, and performance across the stack
• Collaborate closely with design, ops, and risk/compliance to ship safe, compliant features
• Write tests, enforce code quality, and participate in design/review discussions
• Help evolve our engineering standards and product development process

Minimum Qualifications:

• At least 2 years of full time professional, non-internship experience in full-stack or backend engineering
• Experience with backend development (Python, Go)
• Strong code quality habits (testing, reviews, docs) and a product mindset

Preferred Qualifications:

• Experience in FinTech, Risk Management, or Compliance is beneficial but not mandatory
• Experience with LLM/AI-powered products, event-driven systems, or data pipelines
• Security, privacy, and auditing best practices
• Bonus points if you were an ex-founder