Junior Systems Developer: IoT, .NET & Smart Grid

Networks Services Limited; England; On-site; GBP 28,000 - 35,000; Full time

Benefits offered by this job

Salary £28k–£35k

Mentoring from CTO

Industry exposure

Certifications support

Career progression

Bonus scheme

Bike to work / EV salary sacrifice

25 Days of annual leave

Volunteer days

Sponsorship of local clubs/charity

Professional registration fees paid

Job summary

Networks Services Limited in Hertfordshire is seeking a Junior Systems Developer to build and enhance software for IoT edge devices, cloud platforms and real-time data systems. You will work across edge devices, cloud platforms and real-world infrastructure, gaining exposure beyond a typical software role.

You will collaborate with the CTO and engineering teams to deliver scalable, reliable systems that connect devices, process data and provide meaningful insights to customers.

Qualifications

• Degree in software development or 3+ years of hands-on software experience.
• Experience with the Microsoft stack (.NET, C#, SQL Server).
• Experience or understanding of APIs and system integration.
• Experience with cloud platforms, preferably Azure.
• Knowledge of IoT technologies (MQTT, Modbus) and data visualization.
• Familiarity with Grafana or similar data visualization platforms.

Responsibilities

• Develop software for IoT edge devices using .NET and Node-RED.
• Design and develop database architectures and data models.
• Build and enhance IoT control systems using MQTT and Modbus.
• Develop and improve customer-facing SCADA and data visualisation platforms.
• Create automated provisioning, deployment and testing systems via APIs.
• Build reporting systems for customers, devices and internal operations.
• Improve data export, processing and integration pipelines.
• Contribute to ongoing improvements in system performance and efficiency.
• Support and maintain Azure-based environments.
• Manage and optimise SQL databases; maintain cloud/on-prem VMs.
• Support mobile gateway infrastructure and VPN connectivity.
• Manage SIM-based connectivity across deployed devices.
• Maintain MQTT messaging infrastructure; support Grafana dashboards.
• Support FAT, SAT and commissioning activities with engineering teams.

Skills

.NET

C#

SQL Server

APIs

Azure

IoT (MQTT/Modbus)

Node-RED

Grafana

VPNs

Education

Degree in software development

Tools

Node-RED

Grafana

Azure

Job description

Networks Services Limited in Hertfordshire is seeking a Junior Systems Developer to build and enhance software for IoT edge devices, cloud platforms and real-time data systems. You will work across edge devices, cloud platforms and real-world infrastructure, gaining exposure beyond a typical software role.

You will collaborate with the CTO and engineering teams to deliver scalable, reliable systems that connect devices, process data and provide meaningful insights to customers.