Position: Contract Tech Lead | Principal Developer
Location: 2 days hybrid in Liverpool
We’re looking for an experienced Contract Tech Lead | Principal Developer to join a large scale systems & digital transformation programme.
Acting as the technical authority and hands-on technical lead, you'll guide and mentor a team of 5+ developers, driving engineering standards and best practices to design and deliver robust, scalable Pricing & Billing services using .NET and Azure. AI is embedded into the team's everyday development workflows, with tools such as Codex actively used to accelerate delivery, improve code quality and enhance engineering productivity.
Key Responsibilities
- Technical leadership across the Pricing & Billing domain, acting as the go‑to SME
- Drive key architecture and design decisions to ensure scalable, maintainable solutions
- Lead and mentor engineers, setting standards and building a high‑performing delivery culture
- Own quality across the build: code reviews, QA approach, testing strategy and release readiness
- Design and deliver complex pricing and tariff models, billing workflows, and integrations
- Manage the transition from third‑party solutions to in‑house capability, reducing dependency and increasing control
- Collaborate closely with product, engineering leadership and stakeholders to align delivery with business goals
- Identify where AI can enhance pricing and billing outcomes (e.g., optimisation, anomaly detection, decision support)
Person Requirements
- Proven experience as a Tech Lead / Principal Developer leading teams and making architecture‑level decisions
- Strong .NET expertise (C#) building backend services and APIs
- Solid Azure experience (e.g., App Services/Functions, messaging, storage, monitoring and security patterns)
- Experience delivering complex pricing, tariffs, rating and billing systems (or similarly rules‑heavy financial/transactional domains)
- Demonstrable ability to set engineering best practices: clean architecture, testing, CI/CD, observability
- Confident stakeholder management skills and the ability to translate business needs into technical delivery
- Comfortable working with (and migrating away from) third‑party platforms and vendors
We are shortlisting now with an expected start of Monday 16th November
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