Principal Technical Lead

RSSB is now seeking an experienced Principal Technical Lead to drive the hands‑on technical delivery of a new greenfield industry services platform. This is an exciting delivery‑focused role for a senior engineer who can lead by doing: making confident technical decisions, setting the quality bar, and guiding a multi‑disciplinary sprint team to build and ship a complex system.

As Principal Technical Lead, you will deliver a suite of capabilities including workflow automation, document management, scheduling optimisation, real‑time notifications, and integrated reporting. A range of internal and external systems including CRM, ERP, payment, and document signing services will be integrated. The close date of this role is 25th October 2026.

• Own the technical delivery of the platform, ensuring the team consistently ships high‑quality, production‑ready increments.
• Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes.
• Lead estimation, sprint planning, and decomposition of technical work; proactively identify and manage technical risk, dependencies, and blockers.
• Collaborate with the Delivery Manager and Product Owner to shape the backlog.
• Contribute directly to the codebase. Particularly on complex features, integration points, and technically critical components. Setting the standard for others to follow.
• Ensure alignment with the solution architecture function, clearly articulating technical constraints, risks, or emerging complexity with architectural implications, supported by evidence and proposed alternatives.
• Ensure application of secure‑by‑design principles and validate and refine Figma wireframes.
• Represent the team's technical work clearly and credibly to non‑technical audiences.
• Define and enforce CI/CD pipeline standards using Azure Dev Ops, including branch strategy, build validation, deployment gates, and environment promotion.

• Proven experience as a technical lead on a complex, multi‑service platform, with direct responsibility for technical delivery quality and team output.
• Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code‑first migrations and data modelling.
• Strong front‑end engineering skills in React and Type Script, including component architecture, state management, and integration with REST/SignalR backends.
• Solid understanding of event‑driven architectures.
• Hands‑on experience with PostgreSQL or comparable relational databases.
• Experience with API and application security.
• Practical knowledge of Python, including frameworks such as FastAPI.
• Practical knowledge of the Java stack.
• Proven experience with deploying and managing Azure cloud services.
• Experience deploying and operating containerised workloads in Kubernetes.
  
  Experience writing and maintaining CI/CD pipelines in Azure Dev Ops.
• Engagement with novel technology, such as AI, to maximise output.
• Experience collaborating with UX designers — reviewing wireframes and providing technical feedback.
• Agile delivery experience, including sprint planning, backlog refinement, estimation, and working productively with a Product Owner and Delivery Manager.
• Experience integrating with payment platforms (e.g. Stripe) and electronic signature services (e.g. Docu Sign).
• Experience developing solutions within a regulated industry.
• Communicate effectively and share thoughts and ideas through methods appropriate to the audience.

We offer a competitive salary aligned to the public‑interest and not‑for‑profit sector, together with a strong total reward package. While this…