Healthcare web application Healthcare web application Healthcare web application


Complicated data storage and data exchange between patients and doctors.


A web app that stores patients’ medical cards and helps manage and exchange medical data on a single platform.

Tech stack

Java, Hibernate, PostgreSQL, React, styled-components, AWS.


Our client is a well-established healthcare company that operates a network of clinics providing comprehensive healthcare services across multiple EU countries. With a solid commitment to delivering high-quality patient care, the client aims to streamline their operations and enhance the patient experience through the implementation of advanced technological solutions.

Healthcare web application interface


As a leading healthcare provider, our client faced the pressing challenge of efficiently managing and organizing comprehensive information across their network of clinics. The absence of a centralized database for medical data storage, including doctor consultation history and other critical information, resulted in suboptimal data management practices. Consequently, this led to occasional lapses in healthcare service quality and an unfortunate increase in patient refusals due to data-related issues. To overcome these hurdles and significantly elevate their healthcare provision, the client envisioned a holistic software solution that would unify all data on a single platform, facilitate seamless data exchange between clinics, empower patients and doctors with user-friendly tools for online appointments, and offer comprehensive reports at every crucial stage of treatment. Additionally, the system needed to be adaptable, enabling customized notifications and reminders to ensure patients never missed essential doctor consultations. By embracing this forward-thinking approach, our client aspired to accomplish the following remarkable outcomes:

  • cultivate stronger patient loyalty by tailoring treatment plans and establishing personalized, long-term observation programs;
  • broaden the array of medical procedures available to each patient within their extensive network of clinics;
  • enhance the overall quality of patient health management through detailed and visually engaging reports on their condition.

Technology was critical to revolutionizing our client’s healthcare services. They were eager to find a collaborative partnership with a skilled development team that shared their passion for excellence. That’s when they chose Modsen as their partner to create a robust web application that met the unique needs of their clinics and paved the way for a future of exceptional healthcare provision.



Project manager


Business Analyst


Team Lead


Software Developers


QA engineers


UI/UX designer

Modsen software developers


Project initiation

At the outset, a project manager (PM) and business analyst (BA) were appointed to the project. The PM was responsible for overseeing the development process and coordinating resources, while the BA worked closely with the client to gather requirements and translate them into actionable tasks. For effective communication, regular meetings were scheduled among the development team, client, and stakeholders. Communication tools such as email, instant messaging, and project management software were utilized to maintain transparency and keep everyone informed throughout the entire process.

Software project initiation


To ensure a thorough understanding of the project’s scope and limitations, the team engaged in several key activities, including collecting requirements, conducting market analysis, audience research, and creating initial designs.

Through interviews with stakeholders, Modsen experts gathered detailed information about the client’s existing systems, workflows, and specific needs. Market research and audience analysis were performed to gain insights into the healthcare landscape, market trends, and the preferences of the target audience.

Initial designs were created, providing a visual representation of the user interface and experience, which allowed for early feedback and validation from the client, aligning the design with their desired outcome.

Based on the requirements and design specifications, the team developed a technical solution using React, styled-components, Java, Hibernate, and PostgreSQL.

At the client’s request, a business trip was organized to observe their headquarters firsthand, providing valuable insights into their operations and workflows. This experience significantly enhanced our understanding of the requirements, preempting any possible oversights.

Software project discovery


Using the acquired insights from the aforementioned sources, a comprehensive project plan was formulated. The team analyzed requirements, estimated timelines and resources, and established milestones and deliverables, all within the Agile framework. Risk assessment and mitigation strategies were also incorporated into the plan to ensure a smooth and successful implementation.

Software development plan


Continuing with the Agile methodology, Modsen maintained a collaborative and flexible working style, maintaining regular communication with the client. The project was divided into 2-week sprints, each targeting the delivery of specific features and functionalities, which enabled continuous feedback and allowed for adjustments and refinements throughout the development cycle.

Creating an efficient development environment

To support the development process, the team meticulously set up the necessary infrastructure. React and styled-components development environments were configured to facilitate efficient front-end development. In parallel, Java development frameworks were established to empower seamless back-end implementation. Additionally, a robust PostgreSQL database was set up to ensure reliable healthcare data storage and retrieval. By establishing a solid infrastructure, Modsen engineers laid the foundation for a smooth and effective development journey.

Architecture insights

Software project architecture

The team crafted an architecture that maximized performance, scalability, and maintainability, setting the stage for a successful implementation of the solution. Leveraging AWS cloud services, including AWS Lambda, Amazon S3, and Amazon RDS, further enhanced the architecture’s capabilities.

For the front-end, React and styled-components were leveraged to create a modular and component-based architecture. React’s virtual DOM and declarative syntax enabled efficient rendering and seamless UI updates, while styled-components facilitated the creation of reusable and styled UI components.

On the back-end, Java and Hibernate were utilized to build a solid foundation for data management. Java’s object-oriented programming paradigm allowed for the creation of scalable and maintainable server-side code, while Hibernate facilitated smooth interaction with the PostgreSQL database through its ORM capabilities.

To ensure efficient data retrieval and optimization of database queries, the development team leveraged PostgreSQL's advanced features such as indexing, query optimization, and transaction management.

In addition to the tech stack, the architecture phase also considered the use of additional libraries and frameworks such as Redux for state management, Axios for API integration, and Express.js for building a lightweight and flexible server-side framework.

By carefully considering these tech details in the architecture design, the team aimed to create a scalable, performant, and maintainable solution that met the client’s requirements and facilitated future enhancements and expansions.

Synergized coding and QA

Embracing an Agile development approach, Modsen engineers seamlessly transitioned from code implementation to rigorous QA. Only after thorough testing and validation did the code move forward to deployment. Regular demos provided stakeholders with a firsthand look at the progress made, fostering open communication and collaborative decision-making. This iterative process yielded a software solution that exemplified both robustness and reliability.

Third-party audit

As part of our commitment to compliance and security during the development of the web application for medical cards, the project underwent a third-party audit. This audit assessed the adherence to data protection compliance requirements, validating the implementation of necessary security measures and privacy safeguards. Additionally, the development process followed established industry standards and best practices, including OWASP guidelines and other relevant security criteria. These measures were in place to address potential vulnerabilities and guarantee medical data security. Modsen also possessed a deep understanding of healthcare standards and coding systems, including DICOM, FHIR, ICD-10, and CPT, which enabled seamless integration with existing healthcare infrastructure and ensured accurate representation and exchange of medical data. Through these measures and certifications, the web application for medical cards was developed with the utmost attention to compliance, security, and adherence to relevant healthcare standards, guaranteeing a safe and reliable platform for managing and exchanging medical card data.

Acceptance testing

The client played an active role in the acceptance testing process, providing valuable feedback that was instrumental in validating the solution’s adherence to their precise requirements. This collaborative step enabled a tailored final release, resulting in an exceptional user experience that surpassed expectations.


As we approached the closing stage, our focus shifted towards providing a seamless transition into production. Modsen’s team finalized the code, diligently prepared both technical and business documentation, and created a comprehensive user guide. The outcome was a smooth onboarding experience that empowered users to make the most of the software’s capabilities.


The result is an exceptional web application designed to streamline medical data storage and exchange on a single, secure platform. Key decisions in software development included:

  • implementing a user-friendly and reliable system for secure sign-up and confidential data access;
  • enabling doctors and patients to efficiently manage their medical data, granting them control over its accessibility;
  • establishing a network of specialized doctors to ensure personalized healthcare services for individual patients, facilitating seamless medical data exchange between practitioners;
  • enabling online doctor appointments and the creation of treatment plans, accompanied by notifications and reminders for scheduled consultations;
  • providing comprehensive consultation history, detailed records of medical procedures, and in-depth observation reports.

By incorporating these essential features, the developed solution empowers users with an efficient healthcare management experience.

Healthcare software project


The app seamlessly integrated into our client’s business, delivering outstanding results in healthcare provision:

  • achieved a customer retention rate of 80%, resulting in a significant number of returning clients who now have personalized plans for regular observations over the long term;
  • expanded the range of medical procedures available to each patient within the clinic, with an average increase of 30% in the number of procedures performed per patient;
  • improved the quality of health control for patients by providing detailed and visually presented reports on their condition, leading to a 40% reduction in missed or delayed diagnoses.

These impressive statistics highlight the tangible impact of the implemented solution in enhancing healthcare delivery and improving patient outcomes. With the web application for medical cards, our client now has a secure, efficient, and streamlined platform for data storage, exchange, and management. The solution aligns with industry standards and ensures the utmost medical data security. By leveraging cutting-edge technologies and adopting an iterative agile approach, we successfully delivered the software that met our client’s needs within the given time and budget constraints.

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