About this role
- Salary: £55,000 - 65,000 per year
Requirements
- At least 5 years commercial experience as a software developer.
- Strong experience with C# and the .NET environment.
- Very good knowledge of Microsoft SQL Server, including writing and optimising SQL queries and stored procedures.
- Experience developing database-driven applications, REST APIs and web services.
- Experience working on established commercial software systems.
- Good understanding of software architecture and application design.
- Strong debugging and problem-solving skills.
- Ability to work independently and take ownership of development tasks.
- Experience producing business reports from SQL-based systems is particularly important. Relevant technologies may include SSRS, Crystal Reports, Power BI, RDLC, PDF and Excel report generation, custom reporting within .NET applications, and scheduled or automated reporting. Experience with one or more of these is highly desirable.
- Experience with ASP.NET or ASP.NET Core, JavaScript and web front-end technologies, Azure, authentication and user-management systems, IoT or telemetry applications, time-series or high-volume data, data analytics, AI or machine-learning integration, ERP or billing-system integration, JSON or XML data exchange, and Git or other source-control systems would be advantageous.
- Previous experience in the fuel, logistics, telemetry or industrial sectors is useful but not essential.
Responsibilities
- Develop and maintain applications using C# and the .NET environment.
- Design, develop and optimise Microsoft SQL Server databases.
- Develop and maintain REST APIs and web services.
- Work with large volumes of operational and telemetry data.
- Develop customer reports, dashboards and data exports.
- Build and maintain report-generation functionality.
- Integrate our systems with customer ERP, billing and third-party software.
- Improve database performance, reliability and scalability.
- Support new hardware and telemetry products through software integration.
- Contribute to future projects involving analytics, AI and automated monitoring.
- Maintain appropriate testing, documentation and software security standards.
- Diagnose and resolve issues within existing systems.
Technologies
- AI
- ASP.NET
- Azure
- C#
- Cloud
- ERP
- Excel
- Git
- Hardware
- IoT
- Support
- JSON
- JavaScript
- Power BI
- REST
- SQL
- Security
- Web
- XML
More
We are Jigsaw Fuel Management, an established UK technology company specialising in IoT-connected fuel management, tank monitoring and telemetry systems. We design, manufacture and deliver technology that combines intelligent hardware, real-time communications and cloud-based software to help businesses monitor and manage their operations. We are investing in new technology and developing the next generation of our software platforms. Were seeking a Senior Software Developer to join our small, experienced team in Clayton Green, Lancashire, where your ideas and technical decisions can influence our products and business.
Our software connects with remote fuel-management and tank-monitoring hardware and processes substantial volumes of operational data. Future development includes expanded remote monitoring, customer-system integration, automated replenishment, advanced reporting and AI analysis of historical datasets. We offer a salary of £55,000–£65,000 depending on experience, permanent full-time employment, additional leave, casual dress, a company pension and free and on-site parking. The role is in person, with hybrid options considered after the initial period.
last updated 43 week of 2026