WTW Logo

A progressive project to take an existing on-premise solution to a fully-fledged Software as a Service (SaaS) offering.

Willis Towers Watson building in London with Gherkin building in the background

The client

Willis Towers Watson (WTW) is a leading global advisory, broking, and solutions company, serving clients across the world. With a rich history and a comprehensive range of services, WTW specializes in risk management, insurance brokerage, human capital and benefits consulting, and financial advisory. The company is known for its innovative approach to addressing complex business challenges, leveraging data analytics, technology, and industry expertise to deliver strategic solutions. WTW plays a pivotal role in helping organizations navigate the evolving landscape of risk and talent, ultimately enabling them to make informed decisions and achieve sustainable success.

The challenge

The primary objective of this project was to transition the existing on-premise API, previously distributed to clients, into a comprehensive Software as a Service (SaaS) platform. This transformative initiative aimed to provide clients of WTW with a cloud-based, scalable, and subscription-oriented API solution, ensuring optimal performance, security, and data management.

The solution

The project focused on a comprehensive transformation, shifting an existing on-premise API to a cutting-edge Software as a Service (SaaS) platform tailored for optimal performance on Microsoft Azure. Leveraging Azure Kubernetes Service (AKS) and Helm charts, the solution established a scalable, secure foundation for deploying and managing containerized applications. Helm charts facilitated streamlined packaging and deployment processes, ensuring consistency across the SaaS API platform. The project's commitment to confidentiality was evident in the exploration of undisclosed modern technologies through confidential proof of concepts. This transformative journey positions the SaaS API platform as a versatile, scalable, and competitive solution, contributing to the digital excellence of our client's operations.

Radar Live WTW

Cutting edge technology

In the pursuit of a state-of-the-art SaaS API platform, cutting-edge technologies were meticulously incorporated into the project, ensuring optimal performance, scalability, and efficiency. A key cornerstone in this technological landscape was Azure Kubernetes Service (AKS), alongside Helm charts.

By leveraging AKS and Helm charts, the project achieved a highly resilient, scalable, and cloud-native architecture. Azure Kubernetes Service streamlined the deployment process, providing a scalable and secure foundation for containerized applications. The integration of these cutting-edge technologies reflects a commitment to leveraging the latest advancements in container orchestration and cloud computing, positioning the project at the forefront of industry standards.

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Inside building with 2 escalators in front with man at top

Exploration of unseen frontiers

In addition to the disclosed technologies such as Azure Kubernetes Service (AKS) and Helm charts, the project delved into uncharted territories through the creation of confidential proof of concepts (PoCs). These PoCs involved the strategic utilization of other modern technologies, the details of which cannot be disclosed. This exploratory phase aimed to push technological boundaries, ensuring that the SaaS API platform was not only built on known and reliable foundations but also poised to harness the potential of cutting-edge innovations.

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The results

The successful completion of this project resulted in a robust SaaS API platform for the specified business, offering clients a cloud-based, scalable, and subscription-oriented solution with enhanced security and performance. The transition to SaaS positioned the API as a more versatile and competitive solution in the evolving digital landscape for the business.

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