Junior Software Developer

Device drivers and integrations. Add and extend support for heat trace controller families (Modbus TCP, Modbus RTU, and Modbus ASCII over serial-to-Ethernet gateways, plus CANbus for bridge-attached devices). Each new controller family means reading the vendor register map, modelling the device's settings and metrics in our generic device schema, and proving it works against real hardware.

Telemetry ingestion at scale. Work on the pipeline that carries device messages from the on-site Supervisor service, over persistent WebSockets, through NATS, and into PostgreSQL and TimescaleDB. Our production sites generate millions of queue messages a day, so efficiency of the wire format and the read pattern is a real design constraint, not a theoretical one.

Cloud API features. Build and extend REST and WebSocket endpoints in our Node.js and TypeScript API: alarms, settings, device metrics, reporting, and the integrations that push heat trace data out to customer DCS and SCADA systems over OPC-UA.

Mass programming and field operations. Improve the tooling that reprograms thousands of devices at once, including batching, queueing, pre-transmission validation, and recovery when a device does not answer.

Front-end when the feature needs it. Our operator dashboard is React and Redux. You are not expected to be a front-end specialist, but you should be able to carry a feature through the UI layer rather than handing it off at the API boundary.

Pay Transparency

Chemelex’s pay scale is based on the expected range of compensation for this job and the employee’s work location. Employee pay within this range will be based on a combination of factors including knowledge, skills, abilities, experience, education, and performance. Where federal, state, or local minimum wage requirements exist, employee pay will comply.

Compensation Range: $60,000 - $75,000

Depending on the position offered, employee may be eligible for other forms of compensation.

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