Alex Johnson

Senior Software Engineer
San Francisco, US.

About

Highly accomplished Senior Software Engineer with a decade of expertise in designing, building, and scaling complex web and cloud-native applications. Proven leader in architecting robust microservices platforms on Kubernetes and AWS, driving significant improvements in performance, reliability, and user engagement for systems serving over 10 million daily users. Adept at fostering collaborative, Agile environments and implementing advanced DevOps practices to deliver high-impact, scalable solutions.

Work

Tech Innovators Inc.
|

Senior Software Engineer

San Francisco, CA, US

Summary

Led a cross-functional team in the design and development of a high-scale Kubernetes-based microservices platform, delivering critical features and optimizing data processing for over 10 million daily users.

Highlights

Spearheaded the design and development of a Kubernetes-based microservices platform, successfully scaling to serve over 10 million daily users with high reliability.

Architected and implemented event-driven data pipelines utilizing Kafka and AWS Lambda, achieving a 40% reduction in end-to-end processing latency.

Mentored and guided a team of 6 software engineers, instituting best practices in code reviews, Test-Driven Development (TDD), and pair programming to elevate code quality and team proficiency.

Collaborated closely with product managers and UX designers to successfully deliver three major feature releases ahead of schedule, enhancing user engagement and product functionality.

CloudWave Solutions
|

Software Engineer

Seattle, WA, US

Summary

Developed and optimized scalable backend systems and infrastructure automation, directly supporting significant business growth and improving system reliability for enterprise clients.

Highlights

Implemented highly scalable REST APIs with Node.js and Express, effectively supporting a 2x year-over-year user base growth.

Automated critical infrastructure provisioning using Terraform and Ansible, reducing deployment times from several hours to just minutes.

Integrated real-time analytics dashboards with WebSocket and D3.js, providing enterprise clients with immediate, actionable insights.

Enhanced system reliability by strategically introducing circuit breakers and bulkhead patterns into critical services, minimizing downtime and improving resilience.

BrightApps GmbH
|

Junior Software Engineer

Berlin, Berlin, Germany

Summary

Contributed to front-end development and backend refactoring initiatives, significantly improving user experience and code quality for web applications.

Highlights

Developed dynamic front-end components in React.js, which enhanced user workflows and reduced page load times by 25%.

Collaborated on the refactoring of a legacy PHP monolith to modern Laravel and Symfony frameworks, improving maintainability and scalability.

Authored comprehensive unit and integration tests, successfully increasing overall code coverage from 45% to 75%.

Education

University of California, Berkeley
Berkeley, CA, United States of America

Bachelor of Science

Computer Science

Languages

English
German

Certificates

AWS Certified Solutions Architect – Associate

Issued By

AWS

Certified ScrumMaster (CSM)

Issued By

Scrum Alliance

Skills

Programming Languages

JavaScript, TypeScript, Python, Java, Go.

Frameworks & Libraries

React, Angular, Node.js, Express, Spring Boot, Laravel, Symfony, D3.js.

Databases

PostgreSQL, MongoDB, Redis, MySQL.

Cloud & DevOps

AWS (EC2, S3, RDS, Lambda), Docker, Kubernetes, Terraform, Ansible, Jenkins, Kafka, Azure, GCP.

Tools

Git, Jira, Confluence, Visual Studio Code, Postman.

Methodologies & Concepts

Software Architecture & Design, Microservices, RESTful APIs, Agile, Scrum, CI/CD, DevOps, Performance Tuning & Optimization, Test-Driven Development (TDD), Pair Programming, Code Reviews, Event-Driven Architecture, System Reliability (Circuit Breakers, Bulkhead Patterns).

Interests

Open Source Contributions

GitHub, Monitoring Tools.

Tech Community Engagement

Speaker, Cloud Architecture, DevOps Meetups.

Mentorship

Coding Bootcamp Students, Junior Engineers.

Projects

Real-Time Fraud Detection Engine

Summary

Built a Python-based streaming analytics service that flags suspicious transactions within milliseconds.

Multi-Region Ecommerce Platform

Summary

Engineered failover strategies and CI/CD workflows to achieve 99.99% uptime across three AWS regions.

Mobile-First Progressive Web App

Summary

Led end-to-end development, delivering offline support and 80% faster load times compared to legacy mobile site.