Alex Johnson
Senior Full Stack Software Engineer
Summary
Results-driven Senior Full Stack Engineer with 6+ years of experience architecting high-scale distributed web applications, cloud infrastructure, and real-time systems. Proven track record of reducing latency by 45% and leading cross-functional teams to deliver mission-critical software serving 1M+ active users.
Education
Relevant Coursework: Distributed Systems, Algorithms & Data Structures, Cloud Computing, Database Architecture.
Experience
- Architected and launched high-throughput microservices handling 40M+ daily API requests using Next.js, Node.js, and PostgreSQL.
- Reduced server response times by 42% through Redis multi-layer caching and query optimization.
- Mentored 8 junior and mid-level engineers, instituted automated CI/CD pipelines, and reduced release regression bugs by 35%.
- Designed and built responsive frontend dashboards using React, TypeScript, and Tailwind CSS, increasing user retention by 28%.
- Implemented secure JWT & OAuth2 multi-tenant authentication protecting over 250,000 corporate user accounts.
- Spearheaded migration of legacy monolith to AWS ECS containers with zero scheduled downtime.
- Developed reusable RESTful API endpoints in Node.js/Express and integrated Stripe payment workflows for e-commerce clients.
- Automated unit and integration test suites using Vitest and Jest, boosting test coverage from 45% to 88%.
Projects
High-performance monitoring dashboard processing 100k events/sec with sub-50ms render latency. Featured on Hacker News and received 1.2k GitHub stars.
Zero-latency peer-to-peer markdown editor featuring conflict-free replicated data types and instant client-side PDF exports.
Skills & Interests
Certifications
- AWS Certified Solutions Architect – Associate – Amazon Web Services (2023)
- Certified Kubernetes Administrator (CKA) – Cloud Native Computing Foundation (2022)
Honors & Awards
- Global Hackathon 1st Place Winner – TechCrunch Disrupt (2021)Awarded 1st place out of 180 international teams for building a decentralized emergency communication tool.
Languages
English (Native / Bilingual), Spanish (Professional Working)
Open Source & Speaking
Talk: "Architecting Ultra-Fast Client-Side Applications with WebAssembly"
Presented to an audience of 1,500+ engineers on high-performance web optimization patterns.