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Modernising Commercial Banking with API-First Architecture

Client: Confidential – UK Commercial Bank

Tech Stack: Salesforce, Mulesoft, Java microservices, Docker, Jenkins CI/CD, AngularJS

Objectives

  • Re-platform credit origination, onboarding workflows, and relationship management tooling into an API-first architecture.
  • Integrate CRM with a rules-based product engine and workflow orchestration.
  • Roll out changes in phased deployments across business units using agile delivery pods.
  • Ensure post-launch optimisation and meet regulatory assurance requirements.

Work Delivered

  • Served as Systems Integrator for a modular Bank-in-a-Box rollout.
  • Designed API-first workflows for credit origination and onboarding.
  • Integrated CRM with product engines and orchestration layers.
  • Managed phased rollouts across multiple business units.
  • Conducted post-launch optimisation, ensuring compliance and operational readiness.

Outcomes

  • Reduced onboarding times for mid-market clients.
  • Improved transparency and relationship manager experience.
  • Laid the groundwork for a modular digital layer still in use today.

Why Stack

  • Founder-Led Expertise: Proven track record in enterprise-scale bank modernisation.
  • Proven Frameworks: Modular Bank-in-a-Box methodology used in multiple rollouts.
  • Integration Expertise: Deep experience in CRM, product engines, and orchestration.
  • Compliance-First: Long-term maintainability and regulatory alignment.