Senior Full Stack Web Developer for Internal Tools Platform Rollout

Keystone Digital

Project-based · Remote · Flexible hours

About the role

We are extending a B2B SaaS platform with a new multi‑tenant feature set. The role demands a versatile full stack developer who can translate product specs into clean, maintainable code and ensure seamless tenant isolation.

Key responsibilities

• Design and implement tenant‑aware UI components using React
• Build secure, scalable REST APIs in NodeJS for tenant data handling
• Integrate MongoDB schemas to support isolated tenant data stores
• Write unit and integration tests to guarantee reliability across tenants
• Collaborate with product and QA teams to refine requirements and deliver increments on schedule

Must-have skills

• Strong experience with React and modern JavaScript (ES6+)
• Proficient in NodeJS server‑side development
• Hands‑on work with MongoDB, including schema design for multi‑tenant use cases
• Understanding of RESTful API design and security best practices

Nice to have

• Familiarity with Docker containers
• Experience in CI/CD pipelines for rapid deployments
• Knowledge of multi‑tenant architecture patterns