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Fullstack Developer

Lidingö, Sweden💼 Full-time🗓 2026-09-08 → 2026-09-26

Core

Build the full software stack connecting hardware-based energy storage systems to users and businesses, enabling monitoring, control, and reporting of second-life EV battery units.

Role type

Full Stack Developer (Hardware-Connected Energy Systems)

Builds

Integrated platform for battery energy storage systems (BESS) including backend services, databases, web apps, and mobile applications.

Domain

Climate tech / Renewable energy storage / Embedded systems

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Full stack development, Postgres, REST APIs, NodeJS, iOS/Android mobile app development, machine learning, big data streams, MQTT

Preferred skills

Embedded messaging protocols, scripting, tooling development

Technologies

Postgres, NodeJS, MQTT, iOS, Android

Responsibilities

Design and build backend services and APIs connecting to BESS units; work with data pipelines and messaging between hardware and cloud; build and maintain databases for operational and compliance data; develop web applications and internal dashboards; build and maintain mobile apps for iOS and Android; develop machine learning models and data pipelines for battery analytics.

Seniority

Mid-Senior, hands-on IC

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