What services does Mark Mwangi offer?

Mark Mwangi offers web development, mobile app development, backend engineering, cloud architecture, DevOps consulting, technical writing, and UI/UX design. Services include full-stack application development, API design, database optimization, security audits, and performance tuning using React, TypeScript, Node.js, and modern cloud platforms.

What technologies and frameworks does Mark specialize in?

Mark specializes in React, Next.js, TypeScript, Node.js, Express, PostgreSQL, MongoDB, Redis, Docker, Kubernetes, AWS, and modern frontend practices. Additional expertise includes REST APIs, GraphQL, WebSockets, CI/CD pipelines, and cloud-native architectures.

How can I hire or collaborate with Mark Mwangi?

You can reach out through the contact form on the website, send an email to mwangimark7981@gmail.com, or connect via LinkedIn or GitHub. Mark is available for freelance projects, full-time opportunities, and technical consulting engagements.

What is the typical project timeline and process?

Project timelines vary based on scope and complexity. A typical process includes: initial consultation and requirements gathering, architecture and design phase, iterative development with regular updates, testing and quality assurance, deployment, and post-launch support. Mark emphasizes transparent communication and agile methodologies throughout the engagement.

Does Mark Mwangi work with international clients?

Yes, Mark works with clients globally and is experienced in remote collaboration across different time zones. Communication is handled through async-first practices, regular syncs, and collaborative tools to ensure smooth project delivery regardless of location.

What makes Mark Mwangi's development approach different?

Mark focuses on building secure, performant, and maintainable software with clear architecture and defense-in-depth security practices. Projects emphasize measurable outcomes, transparent communication, and long-term maintainability over quick fixes. Every solution is designed with scalability, testing, and developer experience in mind.

Are the projects on the portfolio open source or available for reference?

Many projects are open source and available on GitHub. Each project page includes architecture details, tech stacks, lessons learned, and links to live demos or repositories where applicable. Mark encourages learning from real-world implementations and welcomes community feedback.

How can I stay updated with new blog posts and projects?

You can subscribe to the newsletter for updates on new blog posts, projects, and insights. The blog covers topics including web development, security, performance optimization, architecture patterns, and practical engineering lessons from real projects.

Software Developer

Mark Mwangi

Bringing bold ideas to life—one line of code at a time.

Software Developer dedicated to building clean, efficient and secure applications. From UI/UX wireframes to full-stack deployment, I bridge the gap between complex problems and practical software.

View resume

View My Work

About Me

The developer behind the code

I build secure, efficient, and scalable applications with a strong focus on user experience, clarity, and long-term maintainability.

My journey in tech is driven by curiosity and a constant desire to solve real problems with practical software. I enjoy working across the JavaScript stack, shaping digital experiences that are useful, accessible, and easy to trust.

I care about clean architecture, thoughtful interfaces, and code that remains readable as a product grows. Outside of development, I recharge through chess, coffee, and time outdoors.

Focus

Secure product development

Building solutions that balance usability, reliability, and safety.

Approach

Learning by shipping

Turning feedback into better systems and sharper technical decisions.

Goal

Meaningful impact

Creating software that helps people, strengthens businesses, and builds trust.

Education

Academic background

My academic journey and professional qualifications that validate my expertise.

Bachelor of Science in Computer Science: Ongoing

KCSE: A- (75 points)

KCPE: 373 marks

Certificates

Learning milestones

Explore my achievements and the skills I've developed through various certifications.

Introduction to Cybersecurity

Built a foundation in cybersecurity concepts, common threats, and safer digital habits.

Getting Started with Cybersecurity

Explored practical security principles, awareness habits, and the basics of staying protected online.

Cybersecurity Fundamentals

Completed core training around risk awareness, secure practices, and responsible digital behavior.

View Certificates Credly Profile

Experience

Professional growth

Discover my professional journey and the diverse experiences that have shaped my career as a software developer.

Completed intensive training in HTML, CSS, JavaScript, TypeScript, Node.js, and Database Administration, building a strong foundation in backend development.
Developed and maintained backend features for the RentHub Agency Enterprise Application using TypeScript, Node.js, Prisma ORM, and PostgreSQL.
Implemented payment processing and analytics workflows, improving business operations and data-driven decision-making.
Participated in Agile software development practices and contributed to testing and quality assurance for the RentHub Mobile Application and RentHub Agency Enterprise Application.

CORE SKILLS

Technologies & Tools

My technical toolkit for building exceptional digital experiences.

Frontend

HTML, CSS, JavaScript, TypeScript, React, Next.js

Backend

Node.js, Python, Java

UI/UX

Figma, Photoshop, Material UI

Mobile

React Native, Expo, Flutter, Dart, Android Studio

Database

MySQL, MongoDB, PostgreSQL, Prisma ORM, Firebase, Supabase, Redis, SQL Server

DevOps & Cloud

Docker, Git, Netlify, Render, Heroku, DigitalOcean, Nginx, GitHub

Linux

Shell scripting, system setup, user management, package installation, network configuration, Bash

Other Tools

Markdown, VS Code, Postman, Jest, Mocha, Jira

Projects

A curated selection of projects showcasing my skills, creativity, and problem solving impact across various domains.

From full-stack applications to innovative tools, these projects highlight my passion for crafting impactful digital solutions.

ToolingMay, 2026Mark Mwangi

Dev Vault

Developer knowledge hub — capture notes, share snippets, build APIs, and document projects in one place..

SoftwareDocumentationTechnology

BackendDecember, 2024Mark Mwangi

Auth microservice

Drop-in JWT+refresh rotation auth: <150ms login, 0 breaches, 8 services, SOC 2 ready.

SecurityMicroservicesJWT

BackendMarch, 2026Mark Mwangi

E-commerce Backend

A responsive storefront with <2s load times, real-time inventory, and 86% checkout completion.

ReactPerformanceStripe

View all projects

Testimonials

A few thoughts from clients and teammates along the way

What people are saying about working with me. The proof is in the stories

Excellent service and thoughtful attention to detail.

John Doe

CTO, Tech Corp

Very satisfied with the results and the communication throughout.

Jane Smith

Creative Director, Design Studio

Highly recommend his service for reliable and secure delivery.

Alice Johnson

Product Manager, Innovation Labs

Good experience overall. The process felt organized and professional.

Bob Brown

Software Engineer, Tech Solutions

Fantastic work and clear communication from start to finish.

Charlie Green

UI/UX Designer, Design Studio

Excellent service and thoughtful attention to detail.

John Doe

CTO, Tech Corp

Very satisfied with the results and the communication throughout.

Jane Smith

Creative Director, Design Studio

Highly recommend his service for reliable and secure delivery.

Alice Johnson

Product Manager, Innovation Labs

Good experience overall. The process felt organized and professional.

Bob Brown

Software Engineer, Tech Solutions

Fantastic work and clear communication from start to finish.

Charlie Green

UI/UX Designer, Design Studio

Excellent service and thoughtful attention to detail.

John Doe

CTO, Tech Corp

Very satisfied with the results and the communication throughout.

Jane Smith

Creative Director, Design Studio

Highly recommend his service for reliable and secure delivery.

Alice Johnson

Product Manager, Innovation Labs

Good experience overall. The process felt organized and professional.

Bob Brown

Software Engineer, Tech Solutions

Fantastic work and clear communication from start to finish.

Charlie Green

UI/UX Designer, Design Studio

Worked with me? Drop a testimonial

Blog

Insights, updates, and software notes

Stay informed about the latest trends and insights in the world of software development.

SecurityApril 2, 20249 min read

Building secure apps with clarity

A practical look at writing software that stays maintainable, safe, and easy to evolve — threat modeling, explicit errors, and defense in depth.

SecurityArchitectureBest Practices

ProductivityMay 18, 20257 min read

Learning by shipping small products

Why smaller, focused releases create faster feedback and better long-term results — scoping micro-MVPs, success metrics, and iteration discipline.

GrowthWorkflowExecution

PerformanceJuly 7, 20258 min read

Designing for subtle performance gains

Small optimizations that add up: images, critical path, caching, and browser hints for consistent user-perceived speedups.

PerformanceCachingImages

View all blog posts →

Subscription

Stay updated

Subscribe to my newsletter to receive updates on projects, blog posts, and industry insights.

Contact

Let's stay connected

Feel free to reach out. I'm always open to connecting and collaborating on exciting ventures.

Phone0708483111

mwangimark7981@gmail.com

Location

Nairobi, Kenya

Rating

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Software Developer

Mark Mwangi

Bringing bold ideas to life—one line of code at a time.

Software Developer dedicated to building clean, efficient and secure applications. From UI/UX wireframes to full-stack deployment, I bridge the gap between complex problems and practical software.

View resume

View My Work

About Me

The developer behind the code

I build secure, efficient, and scalable applications with a strong focus on user experience, clarity, and long-term maintainability.

I care about clean architecture, thoughtful interfaces, and code that remains readable as a product grows. Outside of development, I recharge through chess, coffee, and time outdoors.

Focus