Full Stack Developer

ABOUT MJ QUINN

MJ Quinn Integrated Services Ltd is a UK-based company specialising in delivering end-to-end infrastructure services across multiple industries, including telecommunications, utilities, and mechanical and electrical engineering. Established with a commitment to quality and innovation, MJ Quinn provides tailored solutions that integrate design, installation, maintenance, and project management. The company partners with leading organisations to execute complex projects, leveraging cutting-edge technology and a skilled workforce to ensure efficient and reliable service delivery.

MJ Quinn’s customer-focused approach and dedication to sustainability have solidified its reputation as a trusted provider in the infrastructure services sector.

The MJ Quinn Technology Services Department support over 3000 people across our platforms and workforce and locations. The Department has complete ownership of our Microsoft Modern Workplace solutions combined with Microsoft Dynamics.

As a key member of our development team, you will be responsible for the end-to-end delivery of applications and services built on the Microsoft technology stack. This role involves designing, developing, and testing high-quality solutions that support and enhance business-critical systems, hosted primarily on the Microsoft Dataverse and Microsoft Azure platforms.

Working across the full software development lifecycle, you will collaborate with stakeholders to translate requirements into scalable, maintainable solutions using Dynamics 365, Power Platform, C#, .NET, React and a broader mix of technologies both within and beyond the Microsoft ecosystem. Our solutions frequently integrate with third-party systems, requiring a thoughtful approach to interoperability, security, and performance.

In addition to your technical contributions, you will play an important role in upholding and promoting the organisation’s culture, reputation, and values. This includes demonstrating professionalism, accountability, and a commitment to high standards in both your work and interactions. You will contribute to a positive, collaborative environment, act as a trusted representative of the team, and ensure that the solutions you deliver reflect the quality and integrity expected of the organisation.

This role is ideal for someone who enjoys owning technical solutions from concept to delivery, while also contributing to a strong team culture and delivering outcomes that positively represent the organisation both internally and externally.

• Design and code clean, efficient and testable web-based applications and services.
• Take ownership of projects from project kick-off through to deployment and maintenance.
• Troubleshoot and resolve technical problems across multiple projects.
• Work closely with internal and external stakeholders to establish business needs and requirements.
• Manage requirements and development tasks using Agile and Jira.
• Transform requirements into technical designs that follow industry best practices and produce robust, quality solutions.
• Participate in testing and code reviews to ensure technical accuracy, standards, and functional compliance to the design.
• Identify issues and their underlying causes, clearly communicate them to stakeholders, suggest solutions and guide the implementation.
• Participate in project meetings with stakeholders providing clear and concise guidance and progress updates throughout the life of projects.
• To always promote a positive and professional image of the department, by adhering to company policies, procedures, and standards.
• Work as part of a larger team to develop working practices and procedures.
• Provide technical, application and systems support to all levels of the IT support teams.

• Minimum of 2 years’ experience in software development using C# and .NET.
• Experience with, or a strong willingness and ability to learn, Dynamics 365 and/or the Power Platform (e.g., Power Automate, Power Pages).
• Experience developing modern front-end applications using React.
• Strong understanding of RESTful Web API design and development.
• Exper…