Senior Full Stack Web Developer for SaaS Integration Program

Keystone Digital

Project-based · Remote · Flexible hours

About the role

Keystone Digital is launching a brand‑new greenfield SaaS product. We need a full stack web developer to shape the core platform from scratch, delivering a scalable, secure, and performant solution for a remote‑first team.

Key responsibilities

• Design and implement responsive UI components using React
• Build RESTful APIs and server logic with NodeJS
• Integrate MongoDB for data persistence and design schema migrations
• Write unit and integration tests to ensure code quality
• Collaborate with product, design, and QA peers in agile sprints
• Set up CI/CD pipelines and monitor production health

Must-have skills

• Strong experience with React, NodeJS, JavaScript, and MongoDB
• Proven ability to deliver end‑to‑end features in a fast‑moving startup environment
• Understanding of REST principles and authentication mechanisms
• Familiarity with Git and modern version‑control workflows

Nice to have

• Experience with TypeScript
• Knowledge of Docker or container orchestration
• Background in building SaaS platforms for remote teams