Open to Professional Opportunities

Daudi Mabula

Computer Engineer · Software Engineer · Systems & Infrastructure Specialist

Results-driven Computer Engineer with practical experience spanning software engineering, backend development, cybersecurity, networking, Linux infrastructure, cloud technologies and enterprise systems. I build reliable systems from the application layer through infrastructure, networking and security.

Let's Connect View Projects
Professional profile photograph
Full-Stack Engineering Mindset
360° Technology Perspective
6+ Technology Domains
24/7 Systems Reliability Mindset
∞ Continuous Learning
01 — Professional Profile

Engineering beyond the job title.

A multidisciplinary technology professional capable of connecting software, infrastructure, networking and security into practical solutions.

I am a Computer Engineer focused on designing, developing, deploying and maintaining technology systems that solve real organizational problems. My strength is not limited to writing code. I understand what happens after the code is written: databases, Linux servers, networking, DNS, firewalls, authentication, APIs, cloud infrastructure, monitoring, security and system availability. This combination allows me to communicate effectively across development and infrastructure teams while approaching technology from an end-to-end perspective.

Full-System Thinking Application to infrastructure.
Security Mindset Secure design, access control and hardening.
Infrastructure Linux, servers, networks and cloud.
Problem Solver Practical solutions to complex problems.
Core Competencies

What I bring to an organization

Software Engineering
Network Engineering
Cybersecurity
Linux Administration
Cloud Infrastructure
Database Engineering
System Administration
Android Development
02 — Experience

Professional Experience

Replace the sample achievements below with your strongest measurable accomplishments.

Systems & Software Engineer
AMUCTA College
PRESENT

Responsible for developing, deploying and maintaining software systems while supporting institutional IT infrastructure, networking and security operations.

  • Designed and maintained web-based institutional systems for operational workflows.
  • Developed backend applications using PHP, Java, Spring Boot, REST APIs and MySQL.
  • Built role-based authentication and authorization systems.
  • Administered Linux servers and production application deployments.
  • Implemented networking and security solutions involving firewalls, VPNs and access control.
  • Integrated email services, background workers, notification systems and document workflows.
  • Troubleshot complex application, infrastructure and network issues.
Software / Web Developer
Freelance & Independent Projects
PROJECT BASED

Designed and implemented customized web applications and digital platforms for organizations and businesses.

  • Built responsive web applications and administration dashboards.
  • Designed database-driven applications with secure CRUD and access-control workflows.
  • Developed API integrations and automated backend processes.
  • Optimized deployments for Linux-based servers.
  • Implemented practical security controls for production applications.
IT & Network Support
Technical Infrastructure Environment
EXPERIENCE
  • Configured and troubleshot LAN/WAN networks.
  • Worked with MikroTik, pfSense, Cisco and Ubiquiti networking environments.
  • Implemented VPN connectivity and secure remote-access solutions.
  • Diagnosed DNS, DHCP, routing and firewall problems.
  • Supported Windows and Linux systems.
03 — Technical Expertise

Technical Skills

A broad engineering toolkit developed through practical projects, infrastructure work and continuous learning.

Software Engineering

Backend and full-stack application development, architecture and API integration.

Java PHP Spring Boot REST Thymeleaf JavaScript

Database Engineering

Database design, queries, optimization and application integration.

MySQL SQL JPA Hibernate Data Modeling

Linux & Servers

Server deployment, administration, security and production troubleshooting.

Ubuntu SSH Apache UFW Bash

Networking

Enterprise network configuration, routing, firewalling and troubleshooting.

MikroTik pfSense Cisco VLAN DHCP DNS

Cybersecurity

Defensive security, server hardening, authentication, monitoring and secure network architecture.

Firewall VPN Fail2Ban IDS/IPS Hardening

Cloud & DevOps

Cloud-hosted application deployment, DNS, storage and infrastructure management.

AWS EC2 S3 Route 53 SSL

Android Development

Native Android application development and network-connected mobile applications.

Android Java Room OkHttp REST API

System Administration

User management, services, monitoring, backups, troubleshooting and infrastructure maintenance.

Linux Windows SSH Backups Monitoring

Automation

Automation of repetitive administrative and application processes.

Bash PHP Workers Cron SQL Queues
04 — Selected Work

Projects that demonstrate capability

Employers should see evidence of what you can actually build, deploy and maintain.

Enterprise management system
Enterprise Software

Institutional Management Platform

Role-based enterprise platform supporting organizational workflows, documents, communications and administrative operations.

PHP MySQL JavaScript REST Authentication
Cloud infrastructure
Cloud Infrastructure

AWS Application Infrastructure

Cloud-hosted application environment integrating Linux servers, Apache, SSL, DNS, storage and secure remote connectivity.

AWS EC2 S3 Apache Linux
Network security infrastructure
Network & Security

Secure Network Infrastructure

Designed and managed firewall, VPN, routing, authentication and network access infrastructure for reliable connectivity.

pfSense MikroTik WireGuard FreeRADIUS Firewall
Android mail application
Mobile Engineering

Android Mail Application

Native Android application integrating mail synchronization, local persistence, networking and background synchronization.

Android Java Room OkHttp IMAP
05 — Education

Academic Foundation

BACHELOR'S DEGREE

Bachelor of Computer Engineering

Engineering foundation covering computer systems, software, networking, hardware and technology.

CONTINUOUS DEVELOPMENT

Cybersecurity & Technology Development

Continuous practical development across cybersecurity, cloud infrastructure, networking and software engineering.

06 — Professional Development

Certifications & Continuous Learning

Add verified certifications here. Never list a certification that has not actually been earned.

Cybersecurity

Security architecture, defensive security, vulnerability management and system hardening.

Cloud Computing

Cloud infrastructure, deployment, networking, storage and security.

Network Engineering

Routing, switching, firewalling, VPN and enterprise network administration.

Java & Backend Development

Enterprise application development and backend architecture.

Linux Administration

Server administration, services, security and infrastructure troubleshooting.

Continuous Engineering Practice

Hands-on projects used to continuously expand engineering capabilities.

Why Hire Me

The advantage I bring to a technical team

I don't only develop systems — I understand their environment.

A software engineer may understand the application, while an infrastructure engineer may understand the server. My multidisciplinary background allows me to understand how the application, database, operating system, network and security layers interact. That makes troubleshooting faster, architecture decisions more practical and deployments more predictable.

Ownership Comfortable taking responsibility for systems from development to deployment.
Fast Problem Solving Strong troubleshooting and analytical approach.
Adaptability Comfortable learning new technologies when the problem requires them.
Collaboration Able to work across technical and non-technical teams.
07 — Let's Work Together

Have a challenging technology problem?

I am interested in opportunities where engineering, problem-solving and technology can create measurable value.

your.email@example.com
+255 XXX XXX XXX
Tanzania
Contact Me