Job Description

A well-established organisation operating in the energy sector, delivering technology-driven solutions that support energy management, optimisation, and data-led decision-making. The company develops and maintains a mature Microsoft-based product suite that supports critical business operations and continues to evolve through ongoing modernisation initiatives.

The Full Stack Software Developer will work closely with an existing development team, contributing to the design, development, and maintenance of backend services and front-end components. The role involves a strong focus on NET technologies, database-driven systems, and the integration of modern capabilities, including AI-powered features This is a hands-on position suited for a developer who can integrate quickly into an established team and deliver high-quality, scalable solutions.

Key Responsibilities

• Design, develop, and maintain backend services using NET Core and C#

• Support and enhance legacy applications built on NET Framework

• Contribute to the ongoing migration of legacy components to modern C#-based services

• Design, optimise, and maintain database schemas and queries using Microsoft SQL Server, with a focus on performance and scalability

• Work across backend services and front-end components within a Microsoft ecosystem

• Collaborate with developers, product owners, and stakeholders to deliver reliable, maintainable solutions

• Contribute to platform modernisation, refactoring, and continuous improvement initiatives

• Support the development and integration of AI-powered tools or features where applicable

Required Skills & Experience

• 6–8 years of professional experience as a Full Stack Software Developer

• Strong hands-on experience with C# and NET Core

• Experience supporting and maintaining NET Framework applications

• Solid experience with Microsoft SQL Server, including schema design and performance optimisation

• Comfortable working across the full stack in a Microsoft-based environment

• Strong collaboration skills and the ability to integrate quickly into an established team

Nice to Have

• Exposure to F# (legacy codebases being progressively migrated)

• Experience working with or integrating AI tools, models, or AI-enabled features

• Experience contributing to system modernisation or legacy platform migrations

What Were Looking For

• A proactive and adaptable developer with a collaborative mindset

• Strong problem-solving skills and attention to clean, maintainable code

• Someone comfortable working in a mature, evolving technology environment