Senior Solution Architect

Marshall Wolfe are hiring on behalf of our client for an experienced Solution Architect. This is an exciting opportunity to join a major transformation programme replacing a complex on-premise with a modern SaaS-driven landscape. You will lead solution architecture across key business domains; Finance, Risk, HR and wider business functions - ensuring robust design, seamless integration and alignment with strategic technology goals.

This will be a 18 month FTC, based in London (hybrid)

Key Responsibilities

• Design end-to-end solutions aligned with modern engineering practices and automated delivery tooling.
• Define workload placement strategies that optimise cloud capabilities—elasticity, serverless, containerisation.
• Apply secure-by-design principles including defence-in-depth and blast-radius reduction.
• Conduct architectural impact assessments covering risk, capacity, performance, and cost.
• Produce governance-ready artefacts for architecture, privacy, security and records management.
• Support operational teams with fault-finding and performance issue diagnosis.
• Promote standardised patterns and influence future technology evolution where needed.
• Guide stakeholders, shape strategy and contribute to cross-functional decision-making.

What You’ll Bring

• Senior-level experience designing SaaS-centric architectures integrating multiple business applications.
• Background in at least one of: Risk, Finance, HR, Legal, Compliance, Procurement or similar corporate functions.
• Proven experience onboarding SaaS vendors and deploying SaaS platforms within financial services or fintech.

Location: London (Hybrid – 3 days onsite)

Contract: 18-month FTC