HR SaaS Platform

Context and Challenges: 

- Aggressive growth leading to a +50M$ fundraising

- As a side effect, the system was experiencing serious scalability issues:

• Frustrating load times for end users on key pages, for example the scheduling page
• Timeouts and 500 errors were popping up randomly

- The overall performance of the system was starting to have a negative impact on user retention, hence on revenue.

- Little DevOps capabilities which created an opportunity to upskill the tech team

Duration: 4 weeks

Solutions and Impact:

- Divided by a factor of 10 the response time, hence significantly increasing the quality of service of the platform by prioritizing the most impactful / easiest-to-implement actions:

• Algorithmic optimisations
• N+1 request optimisations
• Index configuration on the database
• Runtime reconfiguration and optimisation
• Infrastructure optimization

- Co-creating with the client's team the methodology and management rituals to help solve the remaining slow requests that required deep structural changes

- Transfer to the client's team the ability to continuously monitor performance and to intervene quickly when needed to stay on target