Full-Stack Software Engineer

About the role

Open Ring is building the world’s first open‑source smart‑ring platform that combines wearable hardware, firmware, mobile apps, web products and developer tools. We are looking for a Full‑Stack Software Engineer who will own and ship software across the entire product stack, from our WordPress website and web applications to backend services, mobile integrations and internal tools.

Key responsibilities

• Develop and maintain full‑stack features for web applications, backend APIs and mobile‑connected product components.
• Extend and customize the WordPress/CMS site, including templates, plugins, analytics, SEO and security integrations.
• Build customer‑facing dashboards, admin panels, developer portals and onboarding flows.
• Enhance iOS and Android apps with BLE discovery, pairing, GATT interactions, background sync and offline data capture.
• Design and operate backend services, REST APIs, authentication, database schemas and background jobs.
• Create sensor‑data pipelines for ingestion, synchronization, storage, visualization and export.
• Collaborate with embedded engineers on BLE protocol design and firmware‑mobile integration testing.
• Produce developer‑facing tools such as SDKs, API documentation, sample apps and integration guides.

Required profile

• 5+ years of professional software development experience.
• Proven ability to work across frontend, backend and mobile domains in a fast‑moving startup.
• Strong problem‑solving skills and high ownership of shipped features.

Required skills

• WordPress/CMS development
• iOS and Android application development
• Bluetooth Low Energy (BLE) and GATT protocol handling
• REST API design and implementation
• Database design and background job processing
• SDK creation and API documentation