Principal .NET Architect for Greenfield APIs (Hybrid)

Harvey Nash Group; Newcastle upon Tyne; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A leading software development firm in the UK is seeking a Principal Developer who will take charge of technical architecture for innovative software projects. You will lead a team, influence architectural decisions, and work on greenfield projects focused on modern technologies. Ideal candidates have strong experience in .NET or full-stack development, a passion for scalable code, and excellent leadership skills. This role offers hybrid flexibility and a competitive benefits package.

Benefits

Competitive salary and benefits package

Hybrid flexibility

Supportive and collaborative environment

Greenfield projects

Qualifications

• Strong experience in .NET or full‑stack development.
• Proven track record with RESTful APIs, microservices, and modular monolith design.
• Excellent communication and leadership skills.

Responsibilities

• Take ownership of technical architecture and design for new projects.
• Build and optimise RESTful APIs, microservices, and modular monolith architectures.
• Contribute to strategic technical decisions.

Skills

Strong experience in .NET or full‑stack development

Proven track record with RESTful APIs

Experience with microservices

Passion for clean, scalable code

Leadership skills

Job description

A leading software development firm in the UK is seeking a Principal Developer who will take charge of technical architecture for innovative software projects. You will lead a team, influence architectural decisions, and work on greenfield projects focused on modern technologies. Ideal candidates have strong experience in .NET or full-stack development, a passion for scalable code, and excellent leadership skills. This role offers hybrid flexibility and a competitive benefits package.