Software Engineer & Full Stack Software Developer (Web, Mobile & APIs)

I am a Full Stack Software Engineer and Full Stack Web Developer specializing in custom software development, web applications, mobile apps, and API development. As a freelance software developer and software consultant, I bring strong experience building scalable, secure, and high-performance digital solutions for startups, businesses, and software development companies. Whether you need custom software development, offshore software development services, or AI software development solutions, I deliver reliable results.

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25+ Projects Completed
6+ Years Experience
15+ Happy Clients
Software Engineer and Full Stack Software Developer Portfolio
Mobile Development
Web Development
API Development / Integration

Hi, I'm John Mfula

Full Stack Software Developer, Software Engineer & Database Designer

John Mfula - Software Engineer and Full Stack Software Developer
Lusaka, Zambia
Available for projects

As a software engineer and software development engineer, my work goes beyond writing code. I focus on solving real problems, designing systems that are easy to maintain, and building platforms that can grow as users and data increase. From backend architecture and database design to clean user interfaces and mobile experiences, I enjoy working across the entire product lifecycle. Whether you're becoming a software engineer or looking for an experienced software consultant, I bring expertise in software design and custom software development.

I have hands-on experience developing custom software development solutions, custom web systems, cross-platform mobile applications, and API-driven platforms, including education systems, investment management systems, analytics dashboards, business payments systems and messaging solutions. As a full stack software developer and software development engineer, I'm especially strong in backend development, system integration, and performance optimization. I work with software development companies, software development firms, and provide offshore software development services.

What sets me apart is my product-focused mindset. I think about scalability, security, user experience, and business goals from day one. Whether I'm working as a freelance software developer on a small startup idea or collaborating with software development outsourcing companies on large systems, I aim to deliver solutions that are practical, efficient, and built for long-term use. My experience spans from entry level software engineer roles to senior positions, working with junior software developers and junior software engineers.

I enjoy collaborating with clients and teams, communicating clearly, and continuously learning new technologies to stay relevant in a fast-changing tech landscape. Whether you're searching for software developers near me or looking for the best software development companies, my goal is always the same: build software that works, scales, and delivers real value. I specialize in AI software development, embedded software engineer solutions, site reliability engineer practices, and computer software engineer expertise.

Mobile & Web Design

Responsive interfaces and seamless user experiences in both mobile apps and web

Systems & Database Design

Scalable component libraries and brand consistency and Relation Database tables design

API Development & Integration

Buld Robust APIs for Custom Systems and seamless Integrations

Search Engine Optimization (SEO)

improving websites appears in search engine

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Great design comes from understanding users, applying empathy, and evolving through continuous feedback and real-world use.

Let's create something amazing together, Work with John.

Whether you're looking to redesign an existing product or build something completely new, I'd love to explore how we can bring your vision to life.

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Skills

I am a versatile Software Engineer and Full Stack Software Developer with strong experience in building modern, scalable, and user-focused digital solutions. My skill set spans custom software development, web development, mobile applications, backend systems, and API integrations, allowing me to take projects from concept to production with efficiency and precision. As a software development engineer, I work with software development companies and provide software design expertise for businesses seeking reliable software development firms.

Mastery achieved through continuous exploration and dedicated refinement of craft

Technical Expertise

Core development and technical skills

Full-Stack Development 97%
Database Design 95%
Cloud Architecture 88%

Creative Design

Visual and user experience design

UI/UX Design 94%
Brand Identity 86%

Strategic Leadership

Management and business acumen

Project Management 90%
Team Coordination 96%

Years of Experience

Years

Dedicated to mastering the craft of digital innovation and strategic problem-solving.

Primary Technologies
Elixir Phoenix Framework
Flutter Dart Framework
AJAX
Bootstrap 5
JavaScript
SQL
DevOps
Figma
Docker

Resume

I am a results-driven Software Engineer and Full Stack Software Developer with hands-on experience in designing, developing, and maintaining scalable web applications, mobile apps, and backend systems. As a software development engineer specializing in custom software development, I have a strong background in building secure APIs, integrating third-party services, and creating responsive user interfaces that deliver real value to users and businesses. My journey from junior software developer to senior software engineer has equipped me with expertise in software design, AI software development, and working with software development companies.

Professional Experience

My experience reflects a balance between technical expertise and practical execution, with a focus on delivering measurable results and long-term value.

2024 - Present

Senior Software Developer

Probase Limited

As a Senior Software Developer and Software Development Engineer, I lead the design, development, and optimization of scalable, high-performance custom software development solutions that solve real business problems. I play a key role in architectural decisions, software design, code quality, and technical direction while collaborating closely with cross-functional teams to deliver reliable and secure systems. My expertise spans working with software development companies and providing software consulting services.

Team Leadership Strategic Planning Creative Vision Debug & Test systems Deployment and Maintainance
2022 - 2024

Junior Software Developer & IT Support

Probase Limited

As a Junior Software Developer & IT Support professional, I supported the development, maintenance, and improvement of software systems while providing reliable technical support to ensure smooth day-to-day IT operations. This role provided foundational experience in software engineering and custom software development, working alongside experienced software engineers and contributing to software development projects.

2019 - 2022

Junior Software Developer

Probase Limited

As a Junior Software Developer and Entry Level Software Engineer, I contributed to the design, development, testing, and maintenance of software applications while continuously learning and improving my technical skills. This early experience in software development helped me understand the fundamentals of becoming a software engineer and working effectively in software development companies.

Education & Qualifications

My education and professional training have provided me with a strong foundation in software development, information technology, and problem-solving. Through both formal education and continuous self-learning, I have developed the technical knowledge and practical skills needed to design, build, and maintain reliable digital solutions.

Diploma in Computer Science

Evelyn Hone College

2017 - 2019

I hold a Diploma in Computer Science from Evelyn Hone College, where I gained a strong foundation in software development, computer systems, C++, HTML, CSS, JavaScript, PHP, MySQL, C# and information technology. The program combined theoretical knowledge with practical, hands-on training, equipping me with essential skills in programming, databases, systems analysis, and problem-solving.

Second Best Student - Merit

Certification in CCNA Routing and Switching: Introduction to Networks - Cisco Networking Academy

Evelyn Hone College of Applied Arts and Commerce

2019

Learned to configure network devices, implement network connectivity, configure monitoring tools, explain network access, and design IP addressing schemes. Through hands-on labs and simulations, I learned to configure, manage, and troubleshoot small networks using Cisco devices. I developed practical skills in configuring switches and routers, understanding TCP/IP models, subnetting, and implementing basic security measures.

Certification in IT Essentials - Cisco Networking Academy

Evelyn Hone College of Applied Arts and Commerce

2019

I completed the IT Essentials course from Cisco Networking Academy, where I gained foundational knowledge in computer hardware, operating systems, networking, and IT support. The course focused on installing, configuring, and troubleshooting computers, mobile devices, and basic networks in both home and enterprise environments.

Professional Certifications

CCNA Routing and Switching: Introduction to Networks Cisco Networking Academy • 2019
IT Essentials Cisco Networking Academy • 2019

Services

As a freelance software developer and software consultant, I provide end-to-end custom software development solutions designed to solve real-world problems and help businesses grow in the digital space. From planning and software design to development, deployment, and support, my services focus on performance, scalability, and user-friendly experiences. Whether you need a modern website, a mobile application, custom APIs, AI software development, offshore software development services, or ongoing technical support, I deliver reliable solutions tailored to your goals. I work with software development outsourcing companies and provide services comparable to the best software development companies.

Web Development

As a full stack web developer and software engineer, I design and develop fast, secure, and responsive websites that deliver excellent user experiences across all devices. My web solutions are built with clean code, modern frameworks, and best practices to ensure scalability, performance, and search engine optimization. I provide custom software development services for businesses seeking reliable web solutions.

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Mobile Development

As a software developer specializing in mobile solutions, I build high-quality, user-friendly mobile applications that deliver seamless performance and engaging experiences on Android and iOS platforms. From concept and UI design to development, testing, and deployment, my mobile solutions are optimized for speed, security, and scalability. This custom software development service helps businesses reach their mobile audience effectively.

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Academic Project Assistance

Struggling with a school coding project or assignment? I’m here to help you break down complex concepts, fix bugs in your code, and guide you step by step so you truly understand the material and submit a polished, high-quality project.

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API Development and Integration

As a software development engineer, I design and build secure, scalable, and well-documented APIs that enable seamless communication between applications and systems. From developing custom RESTful APIs to integrating third-party services such as payment gateways, messaging platforms, and external data providers, I ensure reliable performance and data integrity. This custom software development service is essential for modern software design and system integration.

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Digital & SEO Marketing

I help businesses grow their online visibility, attract the right audience, and convert traffic into customers through strategic digital and SEO marketing solutions. From search engine optimization and content strategy to analytics and performance tracking, my approach focuses on data-driven results and sustainable growth.

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Contact

Have a project in mind or need a reliable software engineer or freelance software developer to bring your ideas to life? I'd love to hear from you. Whether you're looking for custom software development, need to improve an existing system, require software consulting services, or are searching for software developers near me, feel free to get in touch. As a software consultant working with software development companies and providing offshore software development services, I'm here to help. Let's collaborate and turn your vision into a practical, high-quality digital solution.

Let's Connect

As a software engineer and software consultant, I'm here to discuss your custom software development needs and explore how we can bring your vision to life together. Whether you're looking for a freelance software developer or working with software development companies, let's connect.

Email johnmfula360@gmail.com
Phone +260 975 432237
Location Lusaka, Zambia

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