Senior Platform Engineer — Backend APIs & Multi-Tenancy

Lila Sciences

San Francisco (CA)

On-site

USD 180,000 - 256,000

Full time

14 days+

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Benefits offered by this job

Equity

Bonus potential

Job summary

Lila Sciences in San Francisco seeks a Senior Software Engineer II, Developer Platform to own critical systems spanning the enterprise lifecycle and the developer ecosystem. You’ll shape multi-tenancy, auth, and public APIs while building SDKs and integrations for customers and developers.

This high-autonomy role emphasizes shipping code, technical judgment, and collaboration across infra, data, apps, and science teams to deliver scalable, secure platform services.

Qualifications

7+ years of backend software engineering experience
Experience with APIs, multi-tenancy, auth, or backend systems at scale
Strong in Python (FastAPI), Kubernetes, AWS, databases
Focus on developer experience and backward compatibility
Ship working code regularly and troubleshoot production issues
Collaborate across infra, data, apps, and science teams

Responsibilities

Own multi-tenancy, authentication, authorization, and audit across platforms.
Develop tenant provisioning, self-serve admin, and onboarding lifecycle; support billing/meters.
Own and evolve public APIs, ship SDKs, and define interfaces for agents.
Build integration paths for MCPs, agents, and data within a tenant.

Skills

API design

Multi-tenancy

Authentication/Authorization

Backend services

Python (FastAPI)

Kubernetes

AWS

Databases

Developer experience

Tools

Python (FastAPI)

Kubernetes

AWS

Databases

Job description

This high-autonomy role emphasizes shipping code, technical judgment, and collaboration across infra, data, apps, and science teams to deliver scalable, secure platform services.

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