INTERNATIONAL JOURNAL OF LATEST TECHNOLOGY IN ENGINEERING,

MANAGEMENT & APPLIED SCIENCE (IJLTEMAS)

ISSN 2278-2540 | DOI: 10.51583/IJLTEMAS | Volume XV, Issue V, May 2026

AAUCA Human Resources Administrative Management System

(AHRAMS)

Jonah Vincent Joshua¹, Daniel Engonga Mitogo Andong²

^1,2Afro-American University of Central, Djibloho, Equatorial Guinea.

^1,2Department of Informatics and Technology

DOI: https://doi.org/10.51583/IJLTEMAS.2026.150500162

Received: 30 May 2026; Accepted: 06 June 2026; Published: 10 June 2026

ABSTRACT

The Afro-American University of Central Africa (AAUCA) currently relies on manual, decentralized processes

for human resources (HR) administration, resulting in information duplication, poor traceability, and inefficient

reporting. To address these challenges, this project presents the analysis, design, and development of the

AAUCA Human Resources Administrative Management System (AHRAMS), a web-based platform that

automates core HR functions including employee administration, attendance control, payroll management, leave

requests, digital record storage, and performance evaluation. Grounded in software engineering principles, the

development employed an agile Scrum methodology with iterative two-week sprints, enabling continuous

feedback and adaptation to institutional requirements. The system architecture follows a microservices approach,

utilizing Angular for the frontend, Spring Boot for backend services, and MySQL for data persistence with

Spring Data JPA and Hibernate as the object-relational mapping framework. Unified Modeling Language (UML)

diagrams—including use case, sequence, and architectural diagrams—guided the design phase, while a

normalized relational database model ensured data integrity and consistency. The resulting AHRAMS system

demonstrates a 60% improvement in administrative efficiency for AAUCA's HR processes, providing a robust,

scalable, and flexible solution that enhances data accuracy, security, and institutional transparency. This work

contributes to the digital transformation of university administrative systems in Central Africa while applying

modern software development practices in a real-world educational context.

Keywords— HR Management System, Microservices, Scrum, UML, Angular, Spring Boot, MySQL, AAUCA

INTRODUCTION

Human resource management represents a critical function in academic institutions, where complex

administrative, pedagogical, and organizational processes converge. The effective management of personnel

data, attendance records, payroll processing, and performance evaluations directly impacts institutional

effectiveness and employee satisfaction. However, many universities in developing regions, including Central

Africa, continue to rely on manual, paper-based systems that are prone to error, time-consuming, and lack proper

audit trails [1]. The Afro-American University of Central Africa (AAUCA), a higher education institution

committed to academic excellence, faces these exact challenges. Currently, HR operations at AAUCA are

performed manually using basic office tools, leading to information redundancy, slow

processing times, and difficulties in generating efficient reports for strategic decision-making.

The imperative for digital transformation in higher education administration has been well-documented, with

integrated HR management systems (HRMS) proving essential for optimizing organizational performance [2].

These systems not only automate routine tasks but also provide data-driven insights that support institutional

planning and policy development. Recognizing this need, AAUCA identified the development of a customized

HR management system as a strategic priority. This project represents a collaborative initiative between the

Faculty of Engineering and Architecture's Department of Computer Science and Technology and AAUCA's

Human Resources Department, which serves as the primary beneficiary and end-user.

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The significance of this project extends beyond immediate operational improvements. It provides an opportunity

to apply theoretical knowledge in software engineering, requirements analysis, agile methodologies, design

patterns, and distributed systems development within a real-world context. Furthermore, it contributes to

strengthening digital infrastructure in Central African higher education, addressing region-specific challenges of

limited technical resources and the need for adaptable, cost-effective solutions [3]. The resulting system, named

AAUCA Human Resources Administrative Management System (AHRAMS ), is designed to align with the

university's organizational structure while incorporating international best practices in software development.

Statement of the Problem

The central problem addressed by this research is the inefficiency and lack of traceability inherent in AAUCA's

current human resources administrative processes. The manual and decentralized nature of existing HR

operations creates several interconnected challenges that compromise institutional effectiveness. Formally, the

problem can be stated as: How can the Afro-American University of Central Africa improve the efficiency and

traceability of its human resources administrative processes by designing and implementing a customized IT

management system?

To systematically analyse this problem, several key questions must be considered. First, what specific HR

processes currently exhibit deficiencies or lack automation? Second, what functional and technical requirements

must a new system satisfy to address the department's real operational needs? Third, what software architecture

and technological tools are most appropriate for AAUCA's institutional context, considering factors such as

scalability, maintainability, and local technical capacity? Fourth, what operational and strategic benefits can be

realistically achieved through system implementation? Finally, what potential risks should be anticipated during

development and deployment to ensure project success?

The current manual processes suffer from fundamental limitations. Data duplication across multiple spreadsheets

and physical files creates inconsistent employee records, making it difficult to maintain accurate personnel

information. The absence of automated workflows for leave approvals and attendance tracking results in

processing delays and poor accountability. Payroll calculations performed manually are error-prone and time-

intensive, while the lack of centralized digital storage hinders quick access to employee documents and

compliance with audit requirements. These issues collectively reduce HR department productivity and limit the

institution's ability to make timely, data-informed decisions about human capital management.

Aim and Objectives

The primary aim of this project is to analyse, design, and develop a comprehensive human resources

administrative management system that automates internal HR processes at the Afro-American University of

Central Africa, thereby improving efficiency, traceability, and information control for both teaching and

administrative staff.

To achieve this overarching goal, the following specific objectives were established:

1. Analyse current human resource management processes at AAUCA to identify weaknesses, automation

opportunities, and specific functional requirements through stakeholder interviews, document review,

and workflow observation.

2. Design a modular, scalable system architecture that satisfies both functional and non-functional

requirements, incorporating modern design patterns and ensuring alignment with the university's

organizational structure.

3. Implement a web-based administrative management system enabling centralized management of

personnel records, contracts, attendance, leave requests, performance evaluations, and automated report

generation.

4. Apply agile Scrum methodology throughout development to ensure an iterative, controlled process that

facilitates integration of changing requirements and continuous stakeholder feedback.

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5. Conduct functional and usability testing to validate software quality, security, and suitability for the

institutional work environment.

6. Document the system through comprehensive technical and user manuals to facilitate implementation,

maintenance, and proper utilization by AAUCA staff.

These objectives collectively address the full software development lifecycle, from initial analysis through

deployment and maintenance, ensuring the final product delivers measurable value to the institution.

LITERATURE REVIEW

Evolution and Significance of HR Management Systems

The development of computerized human resource management systems has paralleled the broader digital

transformation of organizations. From early paper-based records to contemporary cloud-based platforms, the

need to organize, process, and analyze personnel information has driven increasingly sophisticated technological

solutions [2]. The 1990s marked a pivotal period with the proliferation of web technologies and relational

databases, giving rise to the first integrated HRMS platforms featuring modules for payroll, attendance tracking,

and performance evaluation [4]. This evolution reflects a shift from purely transactional HR functions to strategic

human capital management, where data analytics informs organizational decision-making.

A Human Resource Management System (HRMS) is defined as a technological solution designed to automate,

centralize, and facilitate administrative processes related to personnel management [2]. Core functionalities

typically include employee record management, attendance and absence control, automated payroll calculation,

contract and document management, performance evaluation tools, and customizable reporting capabilities.

These systems aim to reduce operational burden on HR departments while ensuring data integrity, regulatory

compliance, and transparency in institutional processes [5].

Comparative Analysis of Existing Platforms

The commercial HRMS landscape includes both proprietary and open-source solutions, each presenting distinct

advantages and limitations for university environments. Ionos[6] offers a modular, open-source platform with

integrated HR modules for contract management, attendance, and recruitment. Its flexible architecture suits

medium to large organizations requiring customization, though implementation demands advanced technical

expertise and financial resources that may exceed university budgets [6]. SAP Success factors represents a

leading enterprise solution used by large corporations and public institutions, focusing on performance

management, talent planning, and workforce analytics. Operating under a Software-as-a-Service (SaaS) model,

it offers excellent scalability but its high cost and complexity render it inaccessible for resource-constrained

educational institutions [7].

Oracle Human Capital Management (HCM) Cloud provides comprehensive HR process coverage including

payroll, benefits, and AI-driven predictive analytics. While powerful, its enterprise focus and cost structure make

it excessive for mid-sized universities [8]. Zoho People targets small to medium businesses with affordable,

cloud-based solutions featuring time tracking, customized workflows, and satisfaction surveys. However, its

flexibility is limited compared to open-source alternatives, with advanced features requiring premium

subscriptions [9]. [10] is a popular open-source option in academic and non-governmental sectors, offering

personnel management, recruitment, and performance modules. Its main advantage lies in being free, though it

requires trained technical staff for installation and maintenance, potentially creating barriers for institutions

lacking IT resources [10].

These platforms, while robust, are predominantly designed for corporate environments. Their licensing costs,

technical requirements, and limited customization capacity make them unsuitable for AAUCA's operational

context, which requires a solution tailored to internal workflows, language preferences, organizational structure,

and resource constraints. This justifies developing a proprietary system ensuring greater control, flexibility, and

long-term sustainability.

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Academic Precedents and Methodological Insights

Several academic projects informed this research's methodological and technical approach. A final degree project

from the Polytechnic University of Madrid developed Warexpress, an inventory management system using Dart

and Flutter [11]. Its practical approach—motivated by real operational needs—and focus on intuitive interfaces

for non-technical users directly inspired AHRAMS' emphasis on usability and operational simplicity. The

technical clarity of its functional requirements and technology selection provided a valuable reference

framework.

A thesis from the Universidad Politécnica Salesiana addressed human talent management for a religious

educational community using PHP (CodeIgniter) and MySQL [12]. This work's strength lay in automating

internal processes with an adaptable design for non-technical users and administrator-driven parameterization.

Its focus on limited-resource environments and integration of configurable core functionalities influenced

AHRAMS' design philosophy.

LaborFlix, a human resources web application from the University of Valladolid, targeted mobile workforces

requiring geolocated time clocks and dynamic scheduling [13]. Developed with Angular and Spring Boot, it

demonstrated modern service-based architecture and highlighted the importance of adapting solutions to specific

operational flows. Its insights on location management and responsive design for distributed users proved

relevant for AAUCA's diverse personnel structure.

Collectively, these precedents emphasized the value of open-source technologies, modular architecture, user-

centered design, and adaptation to institutional constraints—principles that guided AHRAMS development.

METHODOLOGY

Technology Selection and Justification.

Selecting an appropriate technology stack was critical for ensuring system efficiency, scalability, and long-term

sustainability. The decision process evaluated multiple alternatives across frontend, backend, and database layers

based on community support, documentation quality, learning curve, and component compatibility. For frontend

development, Angular was chosen over React and Vue.js due to its comprehensive framework, strong typing

through TypeScript, and extensive enterprise support, despite a steeper initial learning curve. Angular's Model-

View-View-Model (MVVM) pattern enables clean separation of business logic from presentation, facilitating

maintainability for future enhancements.

The backend selection favored Spring Boot (Java) over alternatives including Python/Django, Node.js, and

PHP/Laravel. Spring Boot's scalability, robustness, and enterprise-grade features make it ideal for microservices

architectures requiring high performance and security [4]. While configuration complexity and resource

requirements are higher than lightweight frameworks, its suitability for distributed systems and long-term

maintainability justified the choice. For data persistence, MySQL was selected over PostgreSQL and SQL Server

due to its lightweight nature, extensive documentation, ease of management, and seamless integration with Java

environments [14]. Spring Data JPA combined with Hibernate served as the object-relational mapping (ORM)

solution, abstracting data access logic, reducing manual SQL queries, and ensuring ACID transaction

compliance.

Development Tools and Infrastructure

The development toolchain included Visual Studio Code for frontend coding, IntelliJ IDEA for backend

development, and Git/GitHub for version control and collaborative management. Draw.io facilitated creation of

architectural diagrams and process flows, while Insomnia served as a REST client for API testing. JWT (JSON

Web Tokens) handled secure authentication and authorization, and Figma supported user interface mockup

design. WPS Office managed project documentation and thesis writing.

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AGILE METHODOLOGY: SCRUM FRAMEWORK

A comparative analysis of software development methodologies led to Scrum adoption over traditional Waterfall

and Rational Unified Process (RUP) approaches. Waterfall's linear, sequential nature offers low flexibility and

reactive risk management, making it unsuitable for projects with evolving requirements [3]. RUP provides

iterative structure but involves more complex documentation and larger team recommendations. Scrum's high

adaptability, continuous customer feedback, proactive risk management, and lightweight documentation align

perfectly with academic environments where stakeholder input and requirement changes are frequent [1].

System Analysis and Design

Requirements Analysis and System Design

The requirements analysis phase employed stakeholder interviews, document reviews, and direct workflow

observation to identify functional, non-functional, and information requirements[15]. User stories were

formulated following the Scrum format: "As a [profile], I want to [goal] for [interest]." Four primary user profiles

emerged: HR Manager, Records Digitizer, Employee, and System Administrator. These yielded these functional

requirements: The system should

 Approve or reject work permit applications.

 Access and generate attendance and performance reports, as well as validate and generate monthly

payrolls.

 View employee payroll history.

 Present staff statistics for decision-making.

 Digitally insert and maintain employee files.

 Manage staff information (admissions, terminations, modifications).

 Assign roles and manage user access.

 Apply for work permits.

 Access personal profile to view personal and work data.

 Review performance evaluations.

 Access generated payrolls and payroll history.

Non-functional requirements specified system accessibility across desktop and mobile devices, response times

under three seconds, intuitive graphical interfaces, data confidentiality, automated daily backups, role-based

authentication, and scalability for future growth. Information requirements defined nine data categories including

personal employee details, employment data, attendance records, performance evaluations, leave applications,

payroll information, digitized files, and audit trails.

The following are the non-Functional requirements

 The system must be accessible from desktop and mobile devices via a browser.

 The response time for any query should not exceed 3 seconds under normal load.

 The graphical interface should be intuitive, with clear navigation and use of standard iconography.

 The system must ensure the confidentiality of staff's personal and financial data.

 The database must allow for automatic daily backups.

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 The system must be integrated with the role-based authentication and authorization module.

 The platform must be scalable to support growth in the number of employees.

Business rules established critical operational constraints: only HR managers can approve leave requests and

generate payrolls; access to sensitive data is restricted by role; employee modifications require administrator

privileges; all digital files must link to registered employees; and performance evaluations are limited to

authorized personnel.

Use Case Modeling

The use case matrix identified fifteen primary interactions, including Login, Logout, Profile Consultation,

Permission Management (Approve/Reject), Payroll Generation and Validation, Statistics Review, Report

Generation, File Digitization, and Role Management. The use case diagram in figure 1 visually represented these

interactions, showing how different actors engage with system functionalities. Each use case was specified with

detailed preconditions, normal sequences, postconditions, and exception handling, ensuring comprehensive

coverage of user-system interactions.

Use case diagram

Sequence diagrams provided temporal visualization of message exchanges between actors and system

components for each use case. The sequence diagrams obtained from the analysis of the use case are as follows:

Fig. 2 sequence diagram for user Login

The following indicate sequence diagram for the user closing of his active session

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Fig. 3 user sequence diagram for Logout

Figure 4 is the sequence diagram for the user to consult for his or her personal information

Fig. 4 use case Consultation profile

Figure 5 is the sequence diagram for the manager to approve an employee's request for leave from work

Fig. 5 use case approval permission

Figure 6 is the sequence diagram for the manager to reject an employee's request for leave from work

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Fig.6 use case permission rejection

Fig.7 use case payroll management

Figure 8 depict sequence diagram to check an employee's payroll history.

Fig.8 use case query payroll history

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Figure 9 is the sequence diagram for manager to consults staff statistics such as attendance, performance, etc.

Fig.9 use case query statistics

The figure 10 is the sequence diagram for the manager to generate staff attendance and performance reports.

Fig.10 use case generate statistics

The sequence diagram in figure is to digitilise documents from employee files.

Fig.11 use case digitise file

Figure 12 is the sequence diagram showing employee

requests for a work permit.

Fig. 12 use case request permission

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Figure 13 is the sequence diagram for the employee to consults for his or her performance evaluations.

Fig. 13 use case performance evaluations

Figure 14 is the sequence diagram for the employee to consults for his or her own payrolls.

Fig. 14 use case consult payroll

Figure 15 is the sequence diagram for the administrator to manages employee information such as registrations,

terminations, and modifications.

Fig.15 use case personnel management

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Figure 16 is the sequence diagram for the administrator to assigns roles and access permissions.

Fig. 16 use case access and roles management

Architectural Design

The system architecture evolved from monolithic and layered patterns to a microservices-based design as

indicated in figure 17. Microservices provide high scalability, functional isolation, and independent

maintainability—each module (user management, attendance, payroll, evaluations) operates as an autonomous

service with its own database, enabling distributed deployment and updates without system-wide disruption

(Newman, 2021). This approach proved ideal for AAUCA's need for gradual digital transformation and future

expansion.

Fig. 17 Microservices architecture

Database Design

The relational database model in figure 18 comprised eight normalized tables ensuring data integrity through

primary/foreign key relationships. The Users table served as the central entity, related to Attendances,

Evaluations, Permissions, Payrolls, Payroll_History, Personal_Statistics, and Files tables. A System_Actions

table provided comprehensive audit logging for security compliance. The data dictionary detailed each field's

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type, size, constraints, and relationships, serving as a development reference . Normalization reduced redundancy

while maintaining referential integrity across all transactional operations [14].

Fig. 18 entity-relation model

RESULTS

System Performance and Outcomes

The deployed AHRAMS system delivered significant improvements. The HR Manager's dashboard Figure 19

provides real-time statistics on total employees, pending permissions, and payroll status, with intuitive

navigation to core functions. Employee portals in figure 20 offer personalized access to payroll history, leave

balances, performance evaluations, and quick action buttons. The Digitizer interface in figure 21 streamlines

document management with OCR processing capabilities and visual progress tracking. The Administrator panel

in figure 22 centralizes personnel management, reporting, and system configuration tools.

Fig. 19. Final result of the HR manager's home screen

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Fig. 20 final result of the employee home screen4

Fig. 21 Final result of the digitizer home page

Fig.22 System Administrator Home Screen Result

Quantitative results as indicated in table 1 demonstrate system’s impact: payroll processing time per cycle

improved by 80%; error rate in payroll calculation was decreased by 90%; employ query resolution time was

85% faster; administrative labour hours per month was reduced by 75%; paper usages was reduced by 90%;

payroll approval cycle was 70% faster; employee satisfaction increased by 20%; regulatory compliance accuracy

improved by 15%; operational cost per payroll cycle was reduced by 71%.. The microservices architecture

enabled independent scaling of high-usage modules (payroll, attendance) during peak periods, while maintaining

system stability.

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Table 1. payroll system empirical results comparison

After Automation

(Digital Payroll

System)

Before Automation

(Manual System)

Observed

Improvement (%)

Metric

Payroll Processing

Time per Cycle

6–7 days

7–10%

4–6 hours

0.5–1%

⬆

️ 80% faster

Error Rate in Payroll

Calculations

⬇

️ 90% fewer

errors

Employee Query

Resolution Time

2–3 days

160 hours

2–4 hours

40 hours

⬆

️ 85% faster

Administrative Labor

Hours per Month

⬇

️ 75%

reduction

Paper Usage (Forms,

Reports)

⬇

reduction

️ 90%

~500 sheets/month <50 sheets/month

Payroll Approval Cycle 3–4 days

1 day

⬆️ 70% faster

Data Retrieval Time

(Payroll History)

30–45 minutes

<2 minutes

⬆️ 95% faster

Employee Satisfaction

(Survey Index)

65%

92%

99%

$350

⬆

️ 20% increase

Compliance Accuracy

(Tax & Deductions)

⬆

️ 15%

80%

improvement

Operational Cost per

Payroll Cycle

⬇

️ 71% cost

$1,200

savings

CONCLUSION AND RECOMMENDATION

Conclusion

The AHRAMS project successfully demonstrates how modern software engineering principles can address real-

world administrative challenges in higher education. By combining agile Scrum methodology, UML modeling,

normalized database design, and microservices architecture, the development team delivered a robust, scalable,

and flexible HR management system tailored to AAUCA's specific needs. The iterative development approach

facilitated continuous stakeholder feedback, ensuring the final product aligned with institutional workflows

while remaining adaptable to evolving requirements. The microservices architecture proved particularly

valuable, enabling functional isolation and independent deployment that supports long-term maintainability and

scalability.

System testing confirmed that all functional and non-functional requirements were met, including role-based

access control, data security, responsive design, and performance benchmarks. The implemented solution

reduces administrative burden, enhances data accuracy, and provides leadership with timely analytics for

evidence-based decision-making. Beyond immediate operational benefits, AHRAMS positions AAUCA as a

regional leader in digital transformation, offering a replicable model for other Central African institutions facing

similar challenges.

Future Research Directions

While AHRAMS fulfills its core objectives, several enhancement opportunities exist. Integration with external

systems—such as accounting platforms, academic management systems, and national social security

databases—would create a more comprehensive institutional ecosystem. Implementing advanced analytics and

machine learning could enable predictive modeling for employee turnover, automated performance insights, and

optimized staffing projections. Developing a dedicated mobile application would improve accessibility for

employees and managers, particularly in contexts with limited desktop computer access. Security enhancements,

including multi-factor authentication and end-to-end encryption for sensitive financial data, would strengthen

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compliance with international data protection standards. Finally, migrating to cloud infrastructure would increase

system availability, disaster recovery capabilities, and reduce local hardware dependency.

Recommendations

Based on project outcomes, several recommendations emerge for AAUCA and similar institutions. First,

maintain agile methodologies for future software projects, as their iterative nature and stakeholder focus

significantly enhance productivity and adaptability. Second, invest in continuous staff training to maximize

system utilization and ensure users can leverage advanced features effectively. Third, establish a formal

maintenance plan combining corrective updates (bug fixes) and evolutionary enhancements (new features) to

preserve system relevance and performance. Fourth, promote microservices architecture for future

developments, given its proven effectiveness in managing complexity and enabling gradual modernization. Fifth,

implement rigorous database monitoring with automated daily backups to prevent data loss and ensure business

continuity. Finally, foster a culture of digital innovation by encouraging cross-departmental collaboration and

knowledge sharing about technology adoption.

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