7+ years of software development

Delivered as part of enterprise programmes for a global pharmaceutical organisation (Pfizer).

Worked on enterprise clinical applications involving structured workflows, business rules, role-based access, reporting dashboards and integrations with surrounding enterprise systems.

• Built and maintained React interfaces backed by .NET Web API services.
• Implemented workflow and business-rule logic against SQL Server, including stored procedures and reporting queries.
• Integrated enterprise authentication and role-based authorisation across the application and its APIs.
• Investigated and resolved production defects raised by business users, including data and performance issues.

Project details are described in sanitised form. No internal processes, data or architecture are disclosed.

Developed CRM and internal business applications: record management, multi-criteria search and filtering, reporting dashboards, exports and role-scoped access for different business teams.

• Designed REST endpoints for filtered, paginated data used by dashboard views.
• Built reporting and export features on top of relational data models.
• Implemented role-based visibility so each business team saw only its own records.
• Tuned slow list and report queries through indexing and query restructuring.

Contributed to a learning platform covering user and cohort management, course and content structures, learner progress workflows, administrative dashboards and supporting APIs.

• Implemented content and course management features and the APIs behind them.
• Built learner progress tracking and administrative reporting views.
• Worked across PHP and JavaScript application layers in an established codebase.

Worked on a food delivery product made up of several connected applications — a customer app, a delivery partner app and a restaurant/admin interface — sharing a common API and order lifecycle.

• Built cross-platform mobile screens and flows with Flutter.
• Worked on order lifecycle handling across customer, restaurant and delivery partner roles.
• Integrated REST APIs, authentication and push notifications on the mobile clients.

Provided short-notice engineering support to companies that needed help finishing features, fixing defects, building APIs or maintaining existing applications under time pressure.

• Picked up unfamiliar codebases quickly and delivered scoped changes without disrupting existing behaviour.
• Fixed production defects, database issues and integration failures on live applications.
• Built or extended REST APIs and UI features to complete in-flight projects.