Lead DLMS Developer

1 week ago

Remote, India ProPMO Services Private Limited Full time

Lead DLMS Developer with IoT AMI Expertise

Location : Remote

Job Overview :

Our client is seeking a highly skilled Lead DLMS Developer to build Large-scale DLMS meter and network simulators capable of generating billions of transactions from millions of simulated meters to certify the scalability of Head End System (HES). This role requires strong expertise in DLMS/COSEM protocols, Java concurrency utilities, and IoT AMI technologies. The successful candidate will help in ensuring that the HES is production-ready for large-scale deployments, focusing on building scalable, responsive applications using advanced Java multithreading techniques, MQTT, and CoAP for real-time IoT communications.

Key Responsibilities :

- Lead the design, architecture, and development of a DLMS/COSEM simulator capable of processing high volumes of smart meter data.

- Architect and implement multi-threaded, scalable Java applications using Java concurrency utilities (e.g., Executors, Futures, Locks) to handle millions of devices and billions of transactions.

- Integrate DLMS protocol stacks (e.g., Gurux) with IoT AMI systems and the Head End System (HES) for comprehensive testing and simulation.

- Work on building responsive applications using Java concurrency to simulate real-world behaviors of smart meters and communication networks.

- Implement and optimize communications using MQTT, CoAP, and other IoT messaging protocols to simulate real-time smart meter data exchange over constrained networks.

- Design simulators to test DLMS communication stacks over Radio Frequency (RF) networks.

- Collaborate with cross-functional teams to ensure seamless integration of simulators with the Head End System, providing comprehensive testing for system scalability and performance under real-world conditions.

- Guide performance tuning for the HES to ensure low-latency, high-throughput transaction processing in large- scale deployments.

- Work closely with DevOps and testing teams to build automated testing tools for continuous integration and performance benchmarking. Required Qualifications :

- 10+ years of Java development experience, with extensive expertise in Java concurrency utilities such as Executors, Futures, and Locks.

- Strong experience in DLMS/COSEM protocols, including hands-on experience with DLMS stacks such as Gurux.

- Expertise in developing multi-threaded, scalable applications to handle real-time IoT device communications.

- Proven experience with IoT protocols such as MQTT and CoAP, integrating them into large-scale DLMS systems.

- Hands-on experience with testing and deploying DLMS communication over RF (Radio Frequency) networks .

- Deep understanding of distributed systems and designing scalable solutions to support millions of devices concurrently.

- Expertise in cloud-based infrastructure (AWS, Azure, Google Cloud) to support large-scale simulations and testing environments.

- Knowledge of message queue systems like RabbitMQ, Kafka, and real-time data processing frameworks.

- Strong background in load testing frameworks (JMeter, Gatling) and performance profiling for large-scale applications.

Preferred Qualifications :

- Experience with DLMS/COSEM object modeling, OBIS codes, and Companion Object Specification Model (COSEM).

- Knowledge of security standards in IoT and AMI environments, particularly DLMS encryption and secure communication protocols.

- Experience handling big data and large datasets generated by smart meters using SQL/NoSQL databases.

- System Design & Architecture : Ability to design end-to-end architectures for large-scale IoT networks with high throughput and low latency.

- Java Multithreading : Expertise in building highly responsive, multi-threaded applications using advanced Java concurrency techniques.

- Distributed Systems : Design and optimize fault-tolerant, distributed systems for real-time, large-scale meter communication.

- IoT Communication Protocols : Hands-on experience integrating MQTT, CoAP, and other lightweight IoT protocols into production systems.

(ref:hirist.tech)

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