FULL-STACK DEVELOPER - AI Automation SaaS
Remote
Contract
Posted Dec 11, 2025
About the role
We are seeking a pioneering Full-Stack Developer to join our team as the first technical hire and build our B2B AI automation platform's client-facing application from the ground up. In this pivotal role, you will architect and develop the entire SaaS interface, including secure authentication, multi-tenant workspaces, configuration settings, and a dynamic leads dashboard. You will be responsible for creating a scalable and secure multi-tenant data model using PostgreSQL and building a clean, intuitive UI with React. Your work will involve deep integration with our existing backend automation engine via REST APIs and webhooks, translating complex asynchronous workflows into a seamless user experience. This is a unique opportunity to take complete ownership of the product's technical direction, shaping the architecture of a platform designed for rapid growth and scale. If you are a pragmatic and adaptable developer with a startup mindset and a passion for building sophisticated SaaS products, we encourage you to apply.
Requirements
- Strong proficiency in JavaScript/TypeScript for full-stack development.
- Extensive experience with Node.js and/or Next.js for building backend services and APIs.
- Proven expertise in developing complex user interfaces with React or a similar modern frontend framework.
- Solid experience designing and implementing schemas in PostgreSQL or another relational database.
- Demonstrated ability to build and consume REST APIs.
- Deep understanding of authentication mechanisms (JWT, OAuth), session management, and access control.
- Experience integrating with third-party services and processing incoming webhooks.
- Knowledge of building secure, multi-tenant application architectures.
Desirable skills
- Experience with AI/LLM integrations or working on AI-powered products.
- Familiarity with building SaaS dashboards and analytics displays.
- Understanding of asynchronous jobs, message queues (e.g., RabbitMQ, SQS), or workflow systems.
- Previous experience in automation or integration-heavy platforms.
- Familiarity with outbound email infrastructure and deliverability best practices.
Role details
- Work setup
- Remote
- Employment type
- Contract