Nasdaq Private Market

Context

Nasdaq Private Market (NPM) provides liquidity solutions for private companies, their employees and investors. The platform shows complex, highly customised financial data — holdings, valuations and transactions — to users who expect it to be both accurate and instant.

I worked on NPM through OAK’S LAB, as part of a multidisciplinary international team.

My role

I took end-to-end ownership of core features, including the portfolio holdings experience and the pre-platform onboarding flow. That meant working with stakeholders to shape requirements, aligning priorities with product and design, building the feature and keeping an eye on it in production.

After every sprint I presented progress and technical decisions to high-level, non-technical stakeholders — translating trade-offs into business language so decisions could be made quickly.

The dashboard performance problem

The financial dashboard combined many interactive charts and heavily customised views. As data grew, it became slow to load — exactly where users form their first impression of the platform.

I profiled the dashboard and optimised it from both ends:

• Data fetching — avoided redundant and waterfall requests and loaded only what each view needs.
• Rendering — reduced unnecessary re-renders and made heavy Chart.js visualisations cheaper to draw.

The result was a 66% reduction in average loading time.

Observability & business integration

I integrated Datadog for monitoring and error tracking, giving the team visibility into how features behave in production, and connected the platform with Salesforce so customer-facing teams could work with the same data as the product.

Team

Besides delivery, I mentored three junior developers, led code reviews and pushed for maintainable architecture and high code quality.