Utrecht, Veenendaal

Work Hours
Monday to Friday: 9am – 5pm
Weekend: 10am – 5pm


For five years, I worked as a full-stack software engineer on a SaaS platform designed to handle complex data analysis tasks for thousands of daily users. This platform, built using microservices software architecture, required robust solutions to ensure data integrity and real-time analysis. My role as a lead software engineer was integral to the success of the platform, utilzing Node.js and Python to deliver high-quality services.

Project Description

The SaaS platform was developed to provide advanced data persistance, data analysis and project management capabilities to the users, facilitating real-time insights. The project’s scope included developing a scalable and reliable software architecture using microservices to handle the large volume of data processed daily and maintain high availability standards.

From the start, the project aimed to offer an intuitive user experience with quick, accurate, and reliable data storage and data analysis. The primary challenge was to create a system that could scale efficiently while maintaining high performance and data integrity.

Challenges Faced

Throughout the project, several challenges were encountered, including:

  • Scalability Issues: As the user base grew, the platform needed to scale without compromising performance.
  • Data Integrity: Ensuring data integrity during real-time analysis was critical, especially given the complexity of the data sets.
  • Intuitive User Interface: Ensuring the user navigates easily throughout the software platform.

To address these challenges, we implemented robust monitoring and alerting systems, optimized our data processing algorithms, and created and validated the wireframes.

Technologies and Tools Used

The project heavily relied on the following technologies:

  • Node.js: Used for building core services, ensuring efficient and scalable back-end operations.
  • Python: Employed for data analysis tasks, taking advantage of its powerful libraries and ease of use.
  • Docker: For containerizing applications, ensuring consistency across different environments.
  • Kubernetes: To orchestrate our microservices, providing scalability and reliability.
  • VueJS: For a component based and scalable frontend, creating our own design system.

These tools were chosen for their reliability, community support, and ability to handle the project’s demands effectively.

Key Features or Achievements

Some of the key features and achievements of the project include:

  • High performance Data Analysis: Created a service which analyzed the high volumes of data with extraoridary performance.
  • Automated Testing: Developed comprehensive automated tests to ensure the reliability and stability of the platform.
  • Scalable Architecture: Successfully designed a microservices architecture that could scale horizontally, handling increased loads efficiently.
  • High User Satisfaction: Achieved high user satisfaction by maintaining a focus on performance and reliability.

Results and Outcomes

The SaaS platform was highly successful, with notable outcomes including:

  • User Growth: The platform scaled to support hundreds of daily active users.
  • Performance Improvement: Achieved a significant reduction in data processing times, enhancing user experience.
  • Client Testimonials: Received positive feedback from clients praising the platform’s reliability and performance.

Lessons Learned

Throughout the project, several key lessons were learned:

  • Importance of Scalability: Building a scalable architecture from the start is crucial to handle future growth.
  • Continuous Improvement: Regularly refining processes and technologies is essential for maintaining high performance.
  • Team Collaboration: Effective communication and collaboration within the team are vital for successful project delivery.


Working on this SaaS platform for so many years was a highly rewarding experience, providing deep insights into Node.js, Python, and microservices architecture. The project’s success was a testament to the team’s dedication and the robust solutions we implemented. If you are interested in learning more about this project or discussing similar opportunities, feel free to contact me.

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