Tiago User

Led frontend development of business-critical components including Intercompany Reconciliation and Entity Sync Manager, in close collaboration with backend, QA, product, and design teams. Delivered major performance optimisations to the Intercompany Matrix component, enabling the UI to render 10x more entities with no perceptible lag.

Led development of key features like Investment Pots, designing API interfaces with backend teams and collaborating with product managers to refine requirements for smooth delivery. Played a central role in a platform-wide UI overhaul, aligning product goals with engineering constraints to balance scope and delivery.

Screened and interviewed 100+ candidates for frontend roles, contributing to hiring decisions, defining technical assessment criteria, and refining the interview process. Played a central role in a platform-wide UI overhaul, aligning product goals with engineering constraints to balance scope and delivery.

Led a significant 2-person initiative to upgrade core build tooling and frontend libraries of Sketch Cloud, resulting in faster builds and improved developer experience. Developed internal tooling to monitor API usage and performance metrics, enabling teams to identify bottlenecks and guide optimisation efforts.

Developed and maintained Kununu Engage, a platform for collecting weekly employee feedback surveys and visualising aggregated metrics and trends through interactive dashboards and widgets. Led the development of business and performance-critical features, such as Summary Dashboard and Survey Results Chart, ensuring smooth rendering and interactivity across browsers.

Took a key role in architecting and developing the frontend for Talkdesk Studio, a call flow editor, driving its creation from scratch as the most senior member of the frontend team. This involved significant architectural decisions and hands-on development.

Frontend lead for the Sportsbook Mobile site, a multi-year initiative across 4 teams. Drove the development of business-critical features such as Betslip and CashOut, key to user engagement and revenue.

Contributed to the development of key features for the Sportsbook Mobile site. Collaborated with multiple teams to ensure successful delivery of user-centric functionalities.

Assisted in the development of frontend components for the Sportsbook Mobile site. Gained foundational experience in web development within a large-scale platform.

Worked on CREWS-NS, a scheduling and staff management application for the Dutch Railways. Contributed to the development and maintenance of critical software for rail operators.

Researched and implemented face detection and gender classification algorithms as part of the SIDIC project. Utilized C, Python, and Django in the technical stack for this research.

Completed a Master of Science in Informatics Engineering. Thesis focused on improving web authentication with keystroke dynamics, involving research into behavioral biometrics and implementation of a web-based authentication prototype.

Obtained a Bachelor of Science in Informatics Engineering.