Staff Software Engineer at Harnham - Data & Analytics Recruitment, London, £550 per day

Staff Software Engineer
London | Outside IR35 ( £550 per day)

This is an opportunity to take ownership of the architecture behind a business-critical pricing and quote platform. You 'll play a key role in shaping the technical direction of a greenfield modernisation project, helping to build scalable solutions that enable faster, safer changes to pricing and underwriting logic.

The Company

They are a technology-led organisation operating within a highly regulated environment, investing in the modernisation of core business systems. Their engineering teams work closely with product, commercial, and business stakeholders to deliver platforms that have a direct impact on customer outcomes. As part of a wider transformation programme, they are looking for an experienced contractor to provide architectural leadership across their pricing and quoting capabilities.

The Role and Deliverables

• Own the technical architecture for a greenfield pricing and quote engine project.
• Lead architectural decision-making across multiple systems and engineering teams.
• Design scalable, auditable, and reliable solutions for pricing, rating, and business rules processing.
• Partner with product and business stakeholders to translate requirements into technical solutions.
• Identify and mitigate technical risks within complex calculation and decisioning systems.
• Establish engineering standards and best practices across the project.

Your Skills & Experience

• Strong experience operating at Staff Engineer, Principal Engineer, or Lead Engineer level.
• Deep hands-on expertise with C# and .NET development.
• Strong experience building cloud-native solutions within Microsoft Azure.
• Proven background designing pricing engines, quote engines, underwriting systems, or other calculation-intensive platforms.
• Experience owning architecture across multiple teams and business domains.
• Strong understanding of modern software engineering practices, including CI/CD, automated testing, observability, and cloud architecture.
• Ability to work autonomously and provide technical leadership within a greenfield environment.
• Experience operating within regulated industries is advantageous.

How to Apply

If you are a Staff Software Engineer with strong C#, .NET, Azure, and architecture experience, and are interested in a high-impact contract focused on pricing and quote platform modernisation, please apply today.