Platform Engineering Leader: Scalable, Secure B2B SaaS

Cyberbacker Careers; Iligan; On-site; PHP 1,800,000 - 3,000,000; Full time

Job summary

Cyberbacker Careers is seeking a senior software leader to shape a multi-tenant B2B SaaS platform. You will define canonical architecture, own critical production workflows, and drive security, reliability, and cost controls across the system.

The role requires hands-on experience with TypeScript, Next.js, Python, FastAPI, Postgres, SQL, and strong ownership of end-to-end testing, migrations, and incident response. This position is based in the Philippines and involves on-site work.

Qualifications

• Eight or more years building production software, with senior/staff/principal responsibilities.
• Personally shipped and operated a multi-tenant B2B SaaS product.
• Strong experience with TypeScript, Next.js, Python, FastAPI, Postgres, SQL.
• Expertise in tenant isolation, secrets management, least privilege, auditability.
• Experience with durable queues, retries, idempotency, dead-letter handling, backpressure.
• Experience managing external-provider quotas, throttling, failures, and cost controls.
• Ownership of database migrations, production observability, incident response, rollback, and DR.
• Hands-on with load, soak, integration, and end-to-end testing.
• Effective use of AI coding agents without lowering standards.
• Willingness to simplify inherited systems and remove duplication.
• Must have operated production systems, not just built features.

Responsibilities

• Establish canonical production architecture, repository, data model, and release path.
• Freeze and harden top three end-to-end client workflows.
• Close gaps in tenant isolation, integrations, testing, recovery, security, and capacity.
• Consolidate or retire duplicate queues, surfaces, scripts, and pipelines.
• Own production releases, canaries, rollbacks, migrations, incident response, and disaster recovery.
• Enforce provider quotas, cost budgets, idempotency, backpressure, and telemetry.
• Direct AI coding agents through bounded tickets and review outputs.
• Translate requirements into executable acceptance contracts.
• Produce an evidence-backed assessment of 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

multi-tenant architecture

security

auditability

load testing

end-to-end testing

AI coding agents

production systems

Job description

Cyberbacker Careers is seeking a senior software leader to shape a multi-tenant B2B SaaS platform. You will define canonical architecture, own critical production workflows, and drive security, reliability, and cost controls across the system.

The role requires hands-on experience with TypeScript, Next.js, Python, FastAPI, Postgres, SQL, and strong ownership of end-to-end testing, migrations, and incident response. This position is based in the Philippines and involves on-site work.