Senior Underwriting Platform BA – Data & API Focus (12m)

G MASS Consulting; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

G MASS Consulting is seeking an experienced Senior Business Analyst to support the delivery of a new underwriting workbench platform in London. The role translates business and technical needs into solution-ready artefacts that enable design, build, integration and testing teams to deliver against well-defined requirements.

The focus includes APIs, data mapping, integration across underwriting and policy systems, and data quality controls to ensure accurate underwriting data.

Qualifications

• Proven track record as a technical/solution-focused Senior Business Analyst on underwriting or policy workbench implementations.
• Experience with data feeds into a policy administration platform is essential.
• Strong grounding in APIs, data mapping/definition within an insurance or London Market context.
• Comfortable working across both business and technical stakeholder groups with architects, developers and test teams.

Responsibilities

• Develop process models covering current and target-state underwriting workflows.
• Create functional requirements specifications that are clear, testable and traceable.
• Produce data flow diagrams and system handoff definitions.
• Prepare controls documentation and policy-lifecycle data movement mapping.
• Create user stories, acceptance criteria and other DevOps backlog updates.
• Input into, and maintenance of, the technical delivery plan.
• Support end-user training, enhancements and adoption.

Skills

APIs

Data mapping

System interactions

Insurance knowledge

Stakeholder engagement

Requirements gathering

Job description

G MASS Consulting is seeking an experienced Senior Business Analyst to support the delivery of a new underwriting workbench platform in London. The role translates business and technical needs into solution-ready artefacts that enable design, build, integration and testing teams to deliver against well-defined requirements.

The focus includes APIs, data mapping, integration across underwriting and policy systems, and data quality controls to ensure accurate underwriting data.