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NIX partnered with a leading EdTech provider to modernize a mission-critical K–12 compliance platform. This enabled the client to manage mandatory certifications for millions of educators with zero synchronization delays, while mitigating risks, optimizing operational efficiency, and boosting scalability.
Education
Web Development
.NET, Terraform, Kubernetes, Docker, Debezium, Azure Functions, Azure Service Bus, MySQL
Our client is a leading educational service provider in the US and UK, offering an LMS as part of its modern EdTech platform that manages mandatory certifications for millions of K–12 teachers. The platform serves as a mission-critical hub for school and district administrators, HRs, compliance officers, K–12 staff, and external auditors to verify legal and safety credentials across vast educational networks.
The K–12 LMS automates training assignments based on role and location, reducing manual work and eliminating data duplication through real-time sync with personnel databases. It ensures high compliance via automated deadline alerts and provides auditors with instant visibility into completion status and potential gaps.
Previously, the platform relied on a legacy PHP system constrained by a daily batch-processing model, resulting in synchronization delays and compliance risks.
The client partnered with NIX to improve scalability through its LMS modernization. We were engaged to rebuild the service from the ground up, transitioning to a high-performance, event-driven architecture that responds instantly to personnel changes and enrollment needs.
Our team was responsible for designing a high-performance architecture from the ground up. A critical phase of the project involved rigorous reverse engineering of a legacy, unstructured PHP script. By deconstructing the outdated codebase, we successfully extracted vital domain-specific logic and mapped the underlying purpose of existing database tables to ensure a seamless transition. Additionally, our experts conducted proof-of-concept (POC) evaluations to select the most efficient third-party tools to simplify the LMS development and fuel long-term growth.
The primary obstacle was the LMS’s legacy infrastructure, which no longer met the modern educational platform’s vision, quality standards, and architectural, scalability, support, and integration approaches. The existing system delayed data updates and lacked the flexibility needed for real-time compliance tracking. This created synchronization bottlenecks and made it difficult to scale the platform or integrate it with newer services.
We transitioned the legacy PHP cron-based system into a modern, event-driven microservices solution built on .NET and C#. The architecture follows Clean Architecture, which organizes code into independent layers to isolate core business logic from external tools, and CQRS (utilizing MediatR), a pattern that separates data-change operations from data-read operations to optimize performance. By decomposing the system into specialized services, we created a robust environment capable of managing millions of users while integrating seamlessly with the broader EdTech platform. Data access is optimized for high performance using Dapper on a MySQL server.
To replace the legacy batch-processing model, we implemented a real-time event flow powered by Azure Functions for ingestion and orchestration. Our team developed a PoC using Debezium to enable change data capture (CDC). This allowed the system to track database changes—such as new hires or role updates—as they occur, without the need for complex, custom-written logic. These change events are delivered through Azure Service Bus to trigger immediate enrollment actions, minimizing the risk of non-compliance and ensuring educators have instant access to required training.
Following a PoC and a comparative analysis of multiple industry-standard tools for automating complex enrollment logic (including NRules and Microsoft Rules Engine), we integrated a high-performance Rules Engine component. It has several strategic advantages, such as extensive documentation, high performance, clear and concise syntax, and ease of maintenance and extension. This specialized tool allows us to formalize complex business logic into a flexible system that automates course assignments with high precision. This ensures that enrollment logic remains easy to maintain and extend as educational mandates evolve.
To ensure the new service functioned as a cohesive part of the broader ecosystem, we implemented a robust integration layer. This setup connects the core compliance logic with both internal platform services and essential third-party tools.
Platform orchestration: The service integrates with the client’s EdTech platform, enabling seamless data sharing with existing HR and personnel systems. We utilized Azure Service Bus as the primary messaging backbone for reliable, asynchronous communication between microservices.
Secure and centralized management: Security is enforced via OAuth2/OIDC with JWT policies, while Azure App Configuration provides centralized management of system settings.
Cloud-native deployment: The platform is containerized with Docker and orchestrated using Kubernetes. We automated the infrastructure using Terraform and Terragrunt, managed through a streamlined GitLab CI/CD pipeline.
Enterprise reliability: By adopting New Relic for comprehensive logging and real-time performance monitoring, we provided full visibility into the system’s health and stability.
NIX led the design and implementation of the core microservices architecture, establishing the foundational patterns for the main platform. By successfully conducting PoC for CDC and a high-performance Rules Engine, we simplified the custom LMS development process and created a more resilient system. Our data processing designs ensured that complex enrollment events are handled in the correct sequence, thus taking reliability to an entirely new level.
The new LMS is built to handle the high-volume demands of millions of users and a constant stream of real-time events. By focusing on scalability and long-term support from day one, we delivered an architecture that can grow alongside the client’s expanding user base without compromising performance or system stability.
Beyond technical delivery, our team maintained full transparency throughout the EdTech software development lifecycle. Through regular weekly demos, we ensured clear visibility into our progress and immediate feedback loops. This collaborative approach helped us build deep trust with the client and accelerate decision-making, keeping the project agile and aligned with evolving business needs.
This release marks the beginning of a long-term evolution for the client’s platform, paving the way for ambitious future growth. While finalizing the initial launch, NIX’s experts were simultaneously designing next-generation features and identifying performance optimizations to ensure the service remains at the cutting edge. With a clear roadmap focused on continuous design improvements and scalability, the platform is positioned to serve as a robust foundation for the client’s thriving educational ecosystem.
Real-time data synchronization: Transitioned from a 24-hour batch-processing delay to near-instantaneous updates
Reduced compliance risk: Minimized the non-compliance window by ensuring mandatory training is assigned the moment a user’s role or location changes in the HR system
Operational efficiency: Reduced manual administrative overhead by automating complex assignment logic
Enterprise scalability: Validated the architecture’s ability to handle millions of active users without degradation in system performance
Accelerated development cycle: Leveraged PoC-validated third-party tools to simplify the codebase, reducing long-term maintenance costs and speeding up the new features rollout
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