Senior SaaS Platform Reliability Engineer

Cyberbacker Careers; Metro Manila; On-site; PHP 2,000,000 - 4,500,000; Full time

Job summary

Cyberbacker Careers seeks a senior software leader to own and harden a multi-tenant B2B SaaS platform. You will define canonical production architecture, data models, and release paths, while guiding AI coding agents and maintaining production reliability across critical client workflows.

You will drive security, isolation, testing, capacity planning, and incident response, building a durable, scalable product with clear feature roadmaps.

Qualifications

• Eight or more years building production software for multi-tenant SaaS.
• Led or owned a multi-tenant B2B SaaS product in production.
• Strong focus on data security, isolation, and auditability.
• Experience with durable queues, retries, idempotency, and backpressure.
• Experience managing external-provider quotas, throttling, and cost controls.
• Hands-on production reliability, monitoring, and incident response.

Responsibilities

• Establish canonical production architecture, repos, data models, and release path.
• Freeze and harden top three end-to-end client workflows.
• Close gaps in tenant isolation, integrations, testing, recovery, security, capacity.
• Consolidate/retire duplicate queues, surfaces, scripts, pipelines.
• Own production releases, canaries, rollbacks, migrations, incident response, DR.
• Enforce quotas, cost budgets, idempotency, backpressure, telemetry.
• Direct AI coding agents via bounded tickets and review outputs.
• Translate product/content requirements into executable acceptance contracts.
• Produce evidence-backed 1,000-client capacity and unit economics.
• Create a technical roadmap separating hardening from new features.

Skills

TypeScript

Next.js

Python

FastAPI

Postgres

SQL

Row-level security

Tenant isolation

Security auditing

Production systems

Education

Bachelor's degree in CS

Tools

PostgreSQL tooling

SQL tooling

Cloud deployments

Job description

Cyberbacker Careers seeks a senior software leader to own and harden a multi-tenant B2B SaaS platform. You will define canonical production architecture, data models, and release paths, while guiding AI coding agents and maintaining production reliability across critical client workflows.

You will drive security, isolation, testing, capacity planning, and incident response, building a durable, scalable product with clear feature roadmaps.