This role is offered by Harvey Nash. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Title
Principal Engineer (C# .NET)
Salary
£80,000-£95,000 (scope for slightly more based on experience)
Location
Remote or hybrid; occasional travel to London (Aldgate)
Overview
I’m working with an award‑winning, industry‑leading PropTech company that’s building pioneering technology for smart building management and digital tenant experiences. They’re a fast‑growing scale‑up now looking for a Principal Engineer to help shape their engineering direction and drive technical excellence across their core platform.
Responsibilities
* Design, build, and maintain booking and analytics systems used by high‑profile clients
* Champion engineering best practices, performance, and reliability
* Drive technical improvements and manage tech debt across systems
* Collaborate with other technical leads and senior stakeholders to align on architecture and delivery
* Mentor developers and foster a high‑performing, collaborative team culture
Qualifications
* Strong experience delivering complex solutions with C# .NET, SQL, and MongoDB (or similar)
* Strong understanding of software and system design patterns
* Experience working with cloud‑native (AWS) distributed systems
* TDD/BDD approach with a passion for clean, maintainable code
* Excellent communication skills and ability to influence technical direction
* Bonus: experience with React and TypeScript, or large‑scale booking systems
What’s on offer
* Salary: Up to £95,000 depending on experience (maybe scope for more)
* Location: Remote or hybrid, with occasional travel to London (Aldgate)
* Contract: Permanent, full‑time
* Benefits: Private medical insurance, training and development budget, employee rewards and discounts, and the opportunity to help shape team culture and technical direction
If you’re a seasoned engineer who enjoys technical ownership, mentoring others, and helping build smarter, more connected workspaces, this could be a great fit.
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