Full Stack Software Engineer (+ Equity) at Lassie

Jack & Jill; San Mateo (FL); On-site; USD 140,000 - 210,000; Full time

Job summary

Lassie is seeking a Full Stack Software Engineer in San Mateo to own backend architecture in Python while shipping React-based frontend features. You will work on AI-powered data processing systems in a small, high-impact team, shaping the product’s technical direction in a fast-moving environment.

You will design distributed architectures, build production-grade APIs, and manage infrastructure with Docker and Kubernetes, alongside CI/CD for rapid delivery.

Qualifications

• Expert-level Python developer with a track record of architecting scalable backend systems and distributed job processing.
• Full-stack generalist with TypeScript/JavaScript fundamentals and frontend frameworks like React or Angular.
• Proactive problem-solver with the ability to move fast in a small, high-ownership startup.

Responsibilities

• Architect and build production-grade backend systems and APIs using Python, Flask, Redis, and Celery to handle distributed data pipelines.
• Design and ship intuitive frontend features using React or modern TypeScript frameworks to provide users with seamless data interaction.
• Manage infrastructure using Docker and Kubernetes while maintaining CI/CD pipelines for rapid, reliable delivery.

Skills

Python

TypeScript/JavaScript

React

Tools

Flask

Redis

Celery

Docker

Kubernetes

Job description

Job Title

Full Stack Software Engineer

Salary

Not Disclosed Equity

Company Description

Lassie is a venture-backed seed-stage startup in San Mateo building AI-powered software that enables businesses to extract, interpret, and act on data from documents and disparate systems.

Job Description

Join a small, high-impact team of five as a Full Stack Software Engineer at Lassie. You will own backend architecture in Python while shipping React-based frontend features. This high-autonomy role involves building AI-driven systems from the ground up, designing distributed architectures, and shaping the product’s technical direction in a fast-moving environment.

Location

San Mateo, USA

Why this role is remarkable

• Work directly with the founding team as one of the first five employees, significantly influencing the technical roadmap and product evolution.
• Tackle complex distributed systems challenges involving Python, Redis, and Celery to process large-scale data and documents using cutting-edge AI.
• Enjoy high autonomy and ownership in a venture-backed seed-stage environment with a strong runway and a clear mission to automate business intelligence.

What You Will Do

• Architect and build production-grade backend systems and APIs using Python, Flask, Redis, and Celery to handle distributed data pipelines.
• Design and ship intuitive frontend features using React or modern TypeScript frameworks to provide users with seamless data interaction.
• Manage infrastructure using Docker and Kubernetes while maintaining CI/CD pipelines to ensure rapid and reliable software delivery.

The ideal candidate

• Expert-level Python developer with a proven track record of architecting scalable backend systems and distributed background job processing layers.
• Full-stack generalist proficient in TypeScript/JavaScript fundamentals and modern frontend frameworks like React or Angular to build end-to-end products.
• Proactive problem-solver with strong debugging instincts and experience moving fast in small, high-ownership startup teams with minimal process.