Senior TypeScript Developer Needed for SaaS Integration

Keystone Digital

Freelance · Remote · Flexible hours

About the role

Keystone Digital is designing a data pipeline that powers analytics for operations teams. We need a TypeScript Developer who can architect, implement, and optimise data‑flow services that feed real‑time dashboards and reporting tools.

Key responsibilities

• Design and build scalable TypeScript services that ingest, transform, and route operational data.
• Integrate with cloud storage, message queues, and analytics platforms.
• Write clean, type‑safe code and unit tests to ensure reliability.
• Collaborate with data engineers and product owners to define data contracts.
• Monitor performance and implement optimisations for low‑latency processing.

Must-have skills

• 5+ years of TypeScript development experience.
• Strong grasp of asynchronous patterns and streaming data.
• Proficiency with Angular or React for internal tooling.
• Experience building RESTful APIs and working with cloud services.

Nice to have

• Familiarity with Apache Kafka or similar messaging systems.
• Knowledge of data‑warehouse concepts and ETL pipelines.
• Exposure to CI/CD pipelines and containerisation.