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# Systems Developer

- **Company:** UK Networks Services
- **Location:** Little Hadham, UK
- **Experience:** Expert
- **Salary:** £45,000.0 - £55,000.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Systems Engineering, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Computer Networks, Databases, Data Systems, Data Visualization, Supervisory Control and Data Acquisition (SCADA), Virtual Private Networks (VPN), JSON, Microsoft Software, Microsoft SQL Server, Modbus, Message Queuing Telemetry Transport (MQTT), Routing, Node.Js, Software Engineering, SQL Databases, Systems Integration, Virtual Machines, Data Processing, Grafana, Tools for Reporting, Api Design, Smartgrid
- **Published:** July 9, 2026
- **Apply:** https://www.totaljobs.com/job/systems-developer/uk-networks-services-job107658609

## About the Role

* Minimum 5 years' experience in software development
 * Strong experience with the Microsoft stack (.NET, C#, SQL Server)
 * Strong experience with JSON
 * Experience working with APIs and system integration
 * Experience with cloud platforms (preferably Azure)
 * Strong problem-solving ability and practical mindset

Desirable :

 * Experience with IoT technologies (MQTT, Modbus)
 * Familiarity with Node-RED or similar tools
 * Experience with Grafana or data visualisation platforms
 * Understanding of networking concepts (VPNs, routing, gateways)

## Description

As a Systems Developer, you will build and enhance the software and data systems that underpin our smart grid solutions.

This role is based full time at our office in Little Hadham, Hertfordshire, a short drive from Bishops Stortford.
This role is aimed at a .NET developer with solid experience who wants to expand into cloud, IoT and systems engineering. You will work across edge devices, cloud platforms and real-world infrastructure, gaining exposure well beyond a typical software role.
You will work closely with the CTO and engineering teams to deliver scalable, reliable systems that connect devices, process data and provide meaningful insights to customers.

What you'll be doing:

 * 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 and device automation
 * 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 and on-premise virtual machines
 * Support mobile gateway infrastructure and VPN connectivity
 * Manage SIM-based connectivity across deployed devices
 * Maintain and monitor MQTT messaging infrastructure
 * Support and enhance Grafana dashboards and customer reporting tools


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