Staff Backend Engineer - Multi-Tenant Finance Platform

MeeruAI; México; On-site; MXN 900,000 - 1,200,000; Full time

Job summary

Meeru AI is building an AI-native platform for finance teams, offering SaaS multi-tenant, SaaS single-tenant, and on-prem deployments across AWS, Azure, and GCP. The Staff Backend Engineer will own the API/services layer, ensuring correctness, auditability, and tenancy guarantees in a Fortune 500–scale environment.

You will design multi-tenant APIs, authentication/authorization, and audit trails, while partnering with data, AI, and product teams to align contracts across layers.

Qualifications

• Seven or more years in backend forward deployment engineering with time owning complex production services.
• Ownership of services in a multi-cloud SaaS environment with guaranteed isolation.
• Strong API and service design, including versioning and backward compatibility.
• Practical security engineering: authentication, authorization, and tenant isolation.
• Experience with Python and web frameworks (FastAPI, Django, Flask).
• Database experience with PostgreSQL and Redis; SQL against Snowflake or PostgreSQL.

Responsibilities

• Own the multi-tenant APIs through which the platform's results are consumed and evolve contracts without breaking consumers.
• Build review, approval, and exception-handling workflows for finance teams.
• Maintain multi-tenant isolation at the service layer with robust auth and RBAC.
• Develop audit trail linking user actions to computed results for compliance.
• Design for multi-cloud, customer-hosted deployment with strong isolation.
• Own performance, reliability, and cost, including observability.
• Set backend patterns, review designs, and mentor mid/senior engineers.

Skills

Python

API design

Ownership

Multi-cloud SaaS

Security engineering

Tools

FastAPI

Django

Flask

PostgreSQL

Redis

Docker

Kubernetes

Terraform

Snowflake

Job description

Meeru AI is building an AI-native platform for finance teams, offering SaaS multi-tenant, SaaS single-tenant, and on-prem deployments across AWS, Azure, and GCP. The Staff Backend Engineer will own the API/services layer, ensuring correctness, auditability, and tenancy guarantees in a Fortune 500–scale environment.

You will design multi-tenant APIs, authentication/authorization, and audit trails, while partnering with data, AI, and product teams to align contracts across layers.