Senior Software Engineer w/DLMS experience

Trilliant; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

An innovative tech company in Singapore is seeking a Senior Software Engineer with strong expertise in DLMS/COSEM protocols and Java concurrency. The ideal candidate will lead the development of simulators for smart meters, ensuring systems are scalable and production-ready. This position involves building high-volume applications and optimizing interactions with IoT communication protocols, requiring at least 10 years of experience. Excellent benefits and a collaborative environment are offered.

Benefits

Comprehensive benefits

Collaborative work environment

Opportunities for growth

Qualifications

• 10+ years of Java development experience.
• Hands-on experience with DLMS stacks such as Gurux.
• Deep understanding of distributed systems.

Responsibilities

• Lead the design of a DLMS/COSEM simulator for smart meter data.
• Implement scalable Java applications for high device transactions.
• Collaborate with teams to integrate simulators with the Head End System.

Skills

Java concurrency utilities

DLMS/COSEM protocols

IoT AMI technologies

Multi-threaded applications

Real-time communications (MQTT, CoAP)

Cloud-based infrastructure (AWS, Azure, Google Cloud)

Load testing frameworks (JMeter, Gatling)

Education

Bachelor's degree in computer science or related

Tools

RabbitMQ

Kafka

SQL/NoSQL databases

Job description

Senior Software Engineer w/DLMS experience

We are a device-agnostic, integrated, multi-technology communication platform that provides flexibility to balance technological capabilities with economic needs. Trilliant is committed to best-in-class solutions that empower our customers and their customers to connect to the world of things.We are an equal-opportunity employer offering comprehensive benefits and compensation packages with a selection of insurance programs. We have dynamic and collaborative work environments with some of the brightest employees in the world. We invest in people and provide opportunities for our employees to grow hand in hand with our business.Job Description:Trilliant Networks is seeking a highly skilled Senior Software Engineer 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.Job 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.Job Requirements: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.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.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 is an asset.Education/Certifications:Bachelors degree in computer science or any other degree with relevant experienceTrilliant Values:PASSIONATE We find the right solutions for customers and exceed their expectations.RESPONSIBLE We work smart and address issues with urgency to get the job done.CONFIDENT- We look to the future and collaborate with each other to deliver world-class solutions.ENERGETIC We are excited and support Trilliants growth and direction.At Trilliant, we value diversity and are committed to fostering an inclusive environment. To help us enhance the diversity of our candidate pool and meet reporting requirements, we invite you to voluntarily share your demographic information. Participation is entirely optional and will not affect your employment opportunities in any way. We will not access or use this information during the hiring process.GenderPlease choose an optionMaleFemaleNon-binaryPrefer to self-describePrefer not to discloseRacePlease choose an optionHispanic or LatinoBlack or African AmericanWhiteAsianNative Hawaiian or Other Pacific IslanderAmerican Indian or Alaska NativeTwo or More RacesPrefer not to discloseAre you authorized to work in the country you are applying for Please choose an optionUnited States of AmericaUnited KingdomCanadaMalaysiaSingaporeIndiaColombiaOtherDo you now, or will you ever need sponsorship to work in the country you are applying for the job Please choose an optionYesNoVeteran Status:Please choose an optionYesNoPrefer not to disclose,

Sign-in & see how your skills match this job

• Senior Software Engineer w/DLMS experience

Find Your perfect Job

Sign-in & Get noticed by top recruiters and get hired fast