Senior Software Developer
Location: Derby (Hybrid – 1 day in the office per week)
Salary: Competitive, dependent on experience
Working Hours: 38 hours/week, 8:00am–6:00pm, 4 days per week
Our client, a vibrant and growing technology company, is seeking an experienced Senior Software Developer to join their development team. This is an exciting opportunity to work on diverse projects including large-scale data processing systems, enterprise applications, mobile apps and cutting-edge machine learning solutions all within a collaborative and supportive environment.
The Role
You will be responsible for designing, developing and maintaining complex software systems, working across backend and frontend technologies and supporting web and mobile applications. You will also mentor junior developers, contribute to solution architecture and collaborate with stakeholders to deliver high-quality software.
Key Responsibilities
Develop and maintain large-scale backend systems using C# .NET / .NET Core
Work on requirements analysis, system scoping and solution architecture
Build backend solutions to support web and mobile applications
Collaborate with team members to solve complex problems and produce high-quality user interfaces
Mentor junior developers and share technical knowledge across the team
Integrate systems with external platforms such as Salesforce, Xero or Microsoft Dynamics
Example Projects
Real-time IoT systems communicating via GPRS
Enterprise-level native mobile app projects
Complex reporting and scheduling systems
Rich data analysis, machine learning and AI projects
Backend integration with CRM and financial systems
Required Skills & Experience
C# .NET development (.NET Core) with large-scale system experience
LINQ / Entity Framework
Experience working with large data sets and complex processing systems
Strong experience with GIT source control and JIRA
Requirements analysis and system scoping experience
10+ years commercial software development experience (senior level)
Bachelor’s Degree in Computer Science or related field
Desirable Skills
Frontend frameworks such as Angular or React
Mobile app development (iOS/Android)
Cloud hosting experience (AWS or Azure)
API / Microservices architecture
NoSQL databases (MongoDB, MongoDB Atlas)
Kubernetes and Docker containerisation
Agile development methodology
Personal Attributes
Eager to learn and adopt new technologies
Strong team player with the ability to work independently
Excellent communication skills to explain technical concepts to colleagues and clients
Mentoring skills to support junior team members
Why Apply
This is an excellent opportunity to join a small highly skilled team in a friendly family-run environment working on a range of exciting projects with real-world impact. Our client offers opportunities for professional development, learning new technologies and a flexible hybrid working model.
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