Alex Johnson

Senior Full Stack Engineer
San Francisco, US.

About

Highly accomplished Full Stack Engineer with 5 years of experience designing, developing, and deploying scalable web applications from concept to production. Proven ability to deliver robust, high-performance solutions across diverse technology stacks, significantly improving system efficiency and user experience. Seeking to leverage expertise in modern frameworks, cloud infrastructure, and agile methodologies to drive innovation and achieve impactful results in a dynamic engineering team.

Work

Innovate Solutions Inc.
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Senior Full Stack Engineer

San Francisco, CA, US

Summary

Leads end-to-end development for critical customer-facing applications, driving architectural decisions and mentoring junior engineers to deliver high-quality, scalable solutions.

Highlights

Architected and implemented a new microservices-based backend using Node.js and NestJS, reducing API response times by 30% and improving system scalability to support 200,000+ concurrent users.

Developed a real-time analytics dashboard with React and WebSockets, providing key business insights and increasing data processing efficiency by 40% for marketing and sales teams.

Led the migration of legacy monolithic applications to a modern AWS serverless architecture (Lambda, API Gateway, DynamoDB), achieving a 25% reduction in infrastructure costs and enhancing deployment frequency by 50%.

Implemented robust CI/CD pipelines using GitLab CI/CD and Docker, automating testing and deployment processes that reduced release cycles from bi-weekly to daily, improving developer productivity by 15%.

Mentored a team of 3 junior engineers, conducting code reviews and providing technical guidance to foster skill development and ensure adherence to best practices, improving team's average code quality score by 20%.

TechGrow Ventures
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Full Stack Engineer

San Francisco, CA, US

Summary

Contributed to the development and maintenance of core web applications, focusing on both front-end user interfaces and back-end API integrations to enhance platform functionality.

Highlights

Developed and optimized key features for a SaaS platform using React.js and Python (Django), resulting in a 15% increase in user engagement and a 10% reduction in bounce rate.

Designed and implemented RESTful APIs for data management and third-party integrations, handling over 10,000 requests per minute with a 99.9% uptime record.

Collaborated with product managers and UX/UI designers to translate complex requirements into intuitive user interfaces, delivering 5 major feature releases ahead of schedule.

Improved database query performance by 20% through schema optimization and indexing techniques in PostgreSQL, significantly enhancing application responsiveness.

Contributed to code base quality by implementing comprehensive unit and integration tests (Jest, Pytest), reducing critical bugs in production by 25% over a 12-month period.

Education

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

Bachelor of Science

Computer Science

Grade: 3.8/4.0

Courses

Data Structures and Algorithms

Operating Systems

Database Management Systems

Web Development

Software Engineering Principles

Languages

English

Certificates

AWS Certified Developer – Associate

Issued By

Amazon Web Services (AWS)

Professional Scrum Master I (PSM I)

Issued By

Scrum.org

Skills

Programming Languages

JavaScript (ES6+), TypeScript, Python, Node.js, HTML5, CSS3.

Front-End Frameworks

React.js, Next.js, Redux, Context API, Material-UI, Tailwind CSS, Styled Components.

Back-End Frameworks

Node.js (Express.js, NestJS), Django, Flask.

Databases

PostgreSQL, MongoDB, DynamoDB, MySQL, Redis.

Cloud Platforms

Amazon Web Services (AWS), EC2, Lambda, S3, RDS, API Gateway, CloudWatch, VPC, Route 53.

DevOps & Tools

Docker, Kubernetes (basic), Git, GitHub, GitLab CI/CD, Jira, Confluence, Webpack, Babel, NPM, Yarn.

Testing

Jest, React Testing Library, Pytest, Cypress, Postman, Swagger.

Methodologies

Agile, Scrum, Kanban, Test-Driven Development (TDD), Object-Oriented Programming (OOP), Microservices Architecture.

Projects

E-commerce Platform Redesign

Summary

Led the full-stack redesign and re-architecture of an existing e-commerce platform to improve scalability, performance, and user experience.

Personal Portfolio & Blog

Summary

Developed and deployed a personal portfolio website and blog to showcase projects and technical articles.