Available for work

Hi, I'm Alex Johnson

I'm a |

I craft exceptional digital experiences with clean code and creative design. Passionate about building products that make a difference.

10+Projects
3+Years Exp

The Story Behind the Code

AJ

I'm a passionate full-stack developer with over 3 years of experience crafting digital experiences that are both beautiful and functional. My journey started with a curiosity for how things work on the web.

I specialize in building modern web applications using React, Next.js, Node.js, and various other cutting-edge technologies. I believe great software is built at the intersection of technical excellence and thoughtful design.

When I'm not coding, you can find me exploring new technologies, contributing to open source projects, or hiking in the mountains. I'm always looking for new challenges and opportunities to grow.

🎓B.S. Computer Science, MIT
📍Based in San Francisco, CA
💼Open to full-time & freelance
🌐English & Spanish speaker
3+
Years Experience
50+
Projects Completed
20+
Happy Clients
5+
Awards Won

My Technical Arsenal

A comprehensive set of tools and technologies I use to bring ideas to life.

🎨

Frontend

React / Next.js95%
TypeScript90%
CSS / SCSS88%
Vue.js75%
⚙️

Backend

Node.js90%
Python82%
PostgreSQL80%
MongoDB78%
🔧

DevOps & Tools

Docker85%
AWS78%
Git / CI/CD92%
Linux80%

Also familiar with

ReactNext.jsTypeScriptNode.jsPythonPostgreSQLMongoDBDockerAWSGraphQLRedisPrismaTailwindCSSGitFigma

Things I've Built

A selection of projects that showcase my skills and passion for building great products.

DevOps Pipeline Tool

CLI tool for automating CI/CD pipelines with support for multiple cloud providers and deployment strategies.

PythonDockerAWSGitHub ActionsTerraform

Social Media App

Feature-rich social platform with stories, live streaming, end-to-end encrypted messaging, and algorithmic feed.

React NativeGraphQLNode.jsPostgreSQL

Blockchain Wallet

Multi-chain cryptocurrency wallet with DeFi integrations, NFT support, and hardware wallet compatibility.

ReactWeb3.jsSolidityTypeScript

My Professional Journey

A timeline of my career progression and educational background.

💼 Work

Senior Full Stack Developer

TechCorp Inc.
2022 – PresentSan Francisco, CA

Lead developer for a team of 8 engineers, architecting scalable microservices and mentoring junior developers.

  • Reduced application load time by 60% through performance optimizations
  • Led migration from monolith to microservices architecture
  • Implemented CI/CD pipeline reducing deployment time by 80%
  • Mentored 4 junior developers to senior level
ReactNode.jsAWSPostgreSQLDocker
💼 Work

Full Stack Developer

StartupXYZ
2021 – 2022Remote

Built and maintained core product features for a B2B SaaS platform serving 50k+ users.

  • Developed 15+ features from concept to production
  • Improved test coverage from 40% to 90%
  • Optimized database queries reducing costs by 35%
Vue.jsPythonMongoDBRedisGCP
💼 Work

Frontend Developer Intern

Digital Agency Co.
2020 – 2021Boston, MA

Created responsive web applications and landing pages for various client projects.

  • Delivered 10+ client projects on time
  • Built reusable component library used across projects
  • Improved Lighthouse scores to 95+ across all projects
ReactSCSSWordPressJavaScript
🎓 Education

B.S. Computer Science

Massachusetts Institute of Technology
2016 – 2020Cambridge, MA

Graduated with honors. Focused on algorithms, distributed systems, and human-computer interaction.

  • GPA: 3.9/4.0, Dean's List all semesters
  • President of Web Development Club
  • Winner of MIT Hackathon 2019
JavaPythonC++MLAlgorithms

Let's Work Together

Have a project in mind or just want to chat? I'd love to hear from you.

Get in Touch

I'm currently available for freelance work and open to full-time opportunities. Let's build something amazing together!