Senior Full-Stack Engineer - Enterprise SaaS (TypeScript)

speak.com; San Francisco (CA); On-site; USD 150,000 - 220,000; Full time

Job summary

Speak is seeking a senior full-stack engineer to contribute across Speak for Business, building enterprise features that power partner portals, reporting, and subscription workflows.

You'll work primarily in TypeScript on Node.js and Postgres, designing scalable APIs and multi-tenant data models, collaborating with product, design, sales, and customer success to deliver robust, secure solutions at scale.

Qualifications

• 6+ years of building production-scale web apps.
• Expertise in TypeScript, Node.js, and Postgres.
• Experience with B2B SaaS or multi-tenant systems.
• Strong product judgment and scalable architecture thinking.
• Ability to work autonomously in a small team.
• Excellent cross-functional communication.
• Interest in AI-assisted development.

Responsibilities

• Build full-stack features for Speak for Business, including partner portals and reporting.
• Design backend services, APIs, and data models for multi-tenant use cases.
• Lead integrations across auth, entitlements, billing, CRM, and analytics.
• Collaborate with product, design, sales, and CS to ship end-to-end outcomes.
• Maintain high standards for privacy, security, observability, and data integrity.
• Contribute to AI-native development workflow and code verification.
• Mentor engineers and raise technical standards.

Skills

TypeScript

Node.js

SQL databases (PostgreSQL)

Full-stack development

APIs and backend services

Multi-tenant SaaS / enterprise

AI-assisted development interest

Cross-functional collaboration

Job description

Speak is seeking a senior full-stack engineer to contribute across Speak for Business, building enterprise features that power partner portals, reporting, and subscription workflows.

You'll work primarily in TypeScript on Node.js and Postgres, designing scalable APIs and multi-tenant data models, collaborating with product, design, sales, and customer success to deliver robust, secure solutions at scale.