Scaling a Cybersecurity Platform to 6M+ Users

Company Overview

TryHackMe is a leading online platform that empowers individuals and organizations to master cybersecurity through gamified learning. Trusted by over 4 million users worldwide, it offers hands-on labs, guided challenges, and virtual environments that make complex topics like ethical hacking, penetration testing, and networking accessible and engaging.

Built for both beginners and seasoned professionals, TryHackMe's mission is to close the global cybersecurity skills gap by delivering practical, real-world training that scales with user growth. As the platform expanded, it faced the need to modernize its core infrastructure and development processes to meet the evolving demands of its massive learner base.

Business Challenges

• Outdated Stack Limitations - the legacy tech stack led to performance bottlenecks, bugs, and reduced development agility, especially as the user base grew rapidly.

• Migration Urgency - TryHackMe needed to rebuild the entire platform using a modern tech stack for a better user experience.

• User Experience Friction - UI inconsistencies and slow-loading components created friction for learners, especially beginners needing a smooth learning flow.

• Slow Feature Velocity - legacy codebase made it difficult to ship new features fast enough to keep up with user expectations and evolving cybersecurity trends.

Scope

TryHackMe partnered with StrategistHub to rebuild its platform infrastructure from the ground up. The objective was to modernize the user experience, adopt a future-ready tech stack, and remove technical limitations that hindered speed, stability, and feature innovation. The scope included rewriting the full front-end and back-end, implementing comprehensive automated testing, and optimizing for scalability to support millions of global users seamlessly.

What We Delivered

• Full Platform Rewrite - rebuilt the entire platform using modern technologies including TypeScript, React, Next.js, TailwindCSS, and Node/Express to improve maintainability and performance.

• Enhanced System Architecture - introduced modular architecture and scalable components, laying the foundation for future feature expansion and easier maintenance.

• UI/UX Modernization - redesigned the user interface to eliminate inconsistencies and create a smoother, faster learning experience for both beginners and advanced users.

• Automated Testing Integration - set up unit, integration, and E2E tests to ensure code reliability and reduce regressions, leading to faster and safer deployments.

• Performance Optimization - refactored critical components and improved server response times to support growing concurrent user loads without compromising on speed.

Impact

• Enhanced Platform Stability - the move to a modern tech stack resolved long-standing bugs and performance issues, resulting in a smoother and more reliable learning experience.

• Improved User Experience - with faster load times and a cleaner interface, users could focus more on learning and less on navigating a clunky UI, especially important for newcomers to cybersecurity.

• Accelerated Feature Rollout - the new architecture empowered the development team to release features more frequently, keeping the platform aligned with fast-evolving cybersecurity trends.

• Scalable Infrastructure - TryHackMe is now equipped to support a growing global user base without performance degradation, ensuring seamless access during peak usage periods.

• Technical Resilience - comprehensive test coverage reduced production incidents and increased developer confidence in scaling new features.

• Business Agility - with technical execution handled by StrategistHub, TryHackMe's core team refocused on user growth, partnerships, and global expansion.

Approach

• Collaborative Discovery - we kicked off the engagement with in-depth sessions alongside TryHackMe's leadership and engineering teams to identify performance bottlenecks, user experience gaps, and migration priorities.

• Agile Execution - adopting an Agile delivery model, we worked in focused sprints with continuous feedback loops. This ensured iterative progress, minimized risk, and allowed for real-time alignment with product goals.

• Seamless Team Integration - StrategistHub's developers embedded directly into TryHackMe's product workflows, aligning with their processes, coding standards, and velocity targets from day one.