Backend Engineer – Open-Source SDK & Indexer

Whetstone Research; Polska; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Whetstone Research is seeking a backend-focused engineer to work on the open source Doppler SDK and Indexer. You will build features, ensure reliability, and contribute to a scalable backend data platform.

You will test extensively, automate the release pipeline, and help integrations across applications and protocols while managing production releases with proper notes and versioning.

Qualifications

• Experience delivering reliable and scalable backend data services.
• Deep familiarity with TypeScript and GraphQL.
• Experience contributing to open source projects in production.

Responsibilities

• Implement new SDK and Indexer features.
• Test backend code and automate release pipelines.
• Support integrations for applications and protocols.
• Oversee production releases with release notes and versioning.

Skills

TypeScript

GraphQL

Backend data services

Open source

Communication

Tools

CI/CD

Git

Job description

Whetstone Research is seeking a backend-focused engineer to work on the open source Doppler SDK and Indexer. You will build features, ensure reliability, and contribute to a scalable backend data platform.

You will test extensively, automate the release pipeline, and help integrations across applications and protocols while managing production releases with proper notes and versioning.