Lead .NET/Full Stack Developer

Technical Assurance Lead - 21 Month ContractOutside IR35Remote with 3x days travel to jersey per month.Spec: Technical Assurance Lead

Role Purpose Act as an independent "critical friend" providing technical, estimation, and design assurance across a large-scale transformation programme. The role ensures supplier outputsincluding story sizing, architectural designs, and Key Design Decisions (KDDs)are technically sound, cost-effective, and aligned with strategic objectives.

Key Deliverables

• Estimation Assurance: Review and challenge supplier estimates for user stories and epics; provide a log of material changes between baselines and updated figures with technical justification.
• Design & KDD Review: Technical validation of solution options and KDDs for architectural alignment, testing assumptions, and highlighting integration risks.
• Quality Gatekeeping: Define technical quality criteria for designs and non-functional requirements (NFRs); support the PMO in embedding formal design sign-off gates.
• Commercial & Planning Support: Independent technical input for Statements of Work (SoWs), change requests, and release planning (e.g., R1, R1.5).
• Cross-Programme Coherence: Ensure consistent use of shared components (e.g., Dataverse, integrations) across different workstreams.
• Capability Building: Coaching materials and checklists for Product Owners and BAs to improve internal ability to challenge technical estimates.

Key Milestones

• Framework Setup: Establish the assurance framework and quality criteria (Week 12).
• Estimation Review: Complete the first wave of story sizing and estimate assurance (April 2026).
• Ongoing Assurance: Continuous review of designs and KDDs (AprilAugust 2026).
• Reporting: Monthly summary reports of assurance findings and risks.
• Closure: Final assurance summary and capability hand-over (August 2026)., Technical Assurance Lead - 21 Month Contract Outside IR35 Remote with 3x days travel to jersey per month. Spec: Technical Assurance Lead Role Purpose Act as an independent "critical friend" providing technical, estimation, and design assurance across a large-scale..., Technical Assurance Lead 21 Month Contract Outside IR35 Remote (3 days per month travel to Jersey) Start: Early April We are seeking a senior Technical Assurance Lead to act as an independent critical friend across a large transformation programme.This role provides...

• Expertise: Deep understanding of technical architecture, integration patterns, and agile estimation (Story Points/Sizing).
• Systems: Familiarity with Dataverse, cloud integrations, and environment management.
• Soft Skills: Strong commercial acumen and the ability to translate complex technical risks into business impact.

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