Java Developer (Zero Touch Provisioning)

The Bootstrapping Service for Zero Touch Provisioning (ZTP) is a service that enables IoT devices to be automatically provisioned securely and dynamically to target platforms without having to write critical security keys on a device's firmware. This is enabled by the SIM card and a Lightweight M2M (LwM2M) bootstrap server. Communication to the bootstrap server can be done either via CoAP or MQTT.

Technical details:

Protocols: LwM2M/CoAP, MQTT, REST
Database: S3
CoAP server: Californium
LwM2M server: Leshan
LwM2M clients: Leshan, wakaama
MQTT broker: Mosquitto
MQTT client: Paho

Responsibilities:

• Java back-end programming;
• Java client programming;
• Further development of the Bootstrap server based on Leshan;
• Extension of the Leshan open source software with Telekom specific features;
• Implementation of REST interfaces to TMSP, CoT, Nokia SCS, IoT Hub and others;
• Porting the bootstrap process from LwM2M/CoAP to MQTT;
• Implementation of a key derivation algorithm to generate secure pre-shared keys.

Requirements:

• Java development expertise;
• Machine to machine (M2M) development experience;
• REST development expertise;
• MQTT, LwM2M, CoAP or other protocol basics;
• Amazon Simple Storage Services (S3) basics;
• Spoken English.

• Employment according to the Labor Code of Russian Federation, “white” salary;
• Work in a stable company;
• Friendly team;
• Training & development activities;
• Comfortable office in the city center;
• Lounge zones, summer terraces with a view, coffee & tea 24/7;
• Kicker and table tennis, shower, bicycle parking;
• Extended medical insurance;
• Extensive opportunities for professional growth English and German classes in the office;
• Football, volleyball, hockey teams.