Solution Architect (Billing Platform Project)

Rate - £700 (A day)

Duration - 3 Months (Initially)

Location - London (Hybrid)

Ir35 - Inside (Must use an umbrella company)

Role Purpose

We are seeking a Solution Architect to lead the design and evolution of our billing solution. This role is pivotal in shaping the future-state architecture, simplifying integration, and enabling business-led configuration. The architect will work closely with business stakeholders, project teams, and technical delivery to ensure a scalable, maintainable, and user-friendly solution.

Key Responsibilities

Understand and document the current ("as-is") architecture, data flows, and integration points across D365, Workday, and supporting systems.
Collaborate with project teams to define the desired outcomes and shape the solution vision aligned with business goals.
Create a Solution Vision Document describing the options and recommendations to achieve the desired outcome.
Develop high-level designs that reflect the target ("to-be") architecture, ensuring alignment with enterprise standards.
Collaborate with technical delivery teams to create and validate Low Level Designs.
Assess and recommend technologies that support business rule management in line with architectural principles.
Act as the architectural liaison between business users, delivery teams, and platform owners.
Ensure architectural decisions support security, compliance, and operational efficiency.Key Technologies & Platforms (existing)

Core Systems: Microsoft Dynamics 365 CS (D365), Workday
Integration & Messaging: Azure Service Bus (ASB), NServiceBus
Business Rules Engine: Oracle Policy Automation (OPA)
Desirable: Experience with low-code platforms, business rules engines, and modern integration platformsSkills & Experience

Proven experience as a Solution Architect in complex enterprise environments.
Strong understanding of billing, invoicing, and financial workflows.
Experience designing solutions that empower business users to configure and adapt rules and logic for the creation of billing.
Familiarity with asynchronous messaging and event-driven architectures.
Excellent communication and stakeholder management skills.Desirable Attributes

Ability to simplify complex systems and communicate clearly with both technical and non-technical audiences.
Passion for enabling business agility through smart architecture choices