Tech Lead / Senior Software Engineer / Software Architect

.NET | C# | Python | AI | Architecture | London (Hybrid)

Permanent: £80,000 - £110,000 + Benefits
OR Contract: £600 - £700 per day

Location: London City (1-2 days per week)

Overview
We're working with a well-known global organisation embarking on a major transformation of one of its core business-critical platforms. This is an opportunity to play a leading role in modernising a legacy product, improving its architecture, integrating it with wider enterprise systems, and introducing AI capabilities into both the product itself and the software development lifecycle. Rather than a large-scale rewrite, the platform will be modernised incrementally, requiring someone who can balance strategic architectural thinking with hands-on engineering delivery. You'll help shape the future technical direction while remaining close to the code. This role would suit an experienced Tech Lead, Senior Software Engi...