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Sarah Johnson

Sarah Johnson

Senior Software Engineer

San Francisco, CA, US
+1-415-555-0123
English, Spanish, Mandarin

Background


About

About

Experienced software engineer with 7+ years developing scalable web applications and leading technical teams. Passionate about clean code, system architecture, and mentoring junior developers. Proven track record of delivering complex projects on time and improving system performance.

Work Experience

Work Experience

  • Senior Software Engineer, TechCorp Solutions

    Mar, 2021 - Mar, 20254 years

    Leading technical teams and architecting scalable solutions for enterprise clients

    • Led a team of 5 engineers in developing a microservices architecture that reduced system latency by 40%

    • Implemented CI/CD pipelines using Jenkins and Docker, reducing deployment time from 2 hours to 15 minutes

    • Mentored 3 junior developers, helping them advance to mid-level positions within 18 months

    • Architected and built a real-time analytics dashboard processing 1M+ events per day using React and Node.js

  • Software Engineer II, DataFlow Inc

    Jun, 2019 - Feb, 20211 year 9 months

    Developed and maintained high-traffic web applications serving millions of users

    • Developed RESTful APIs serving 500K+ daily active users with 99.9% uptime

    • Optimized database queries reducing page load times by 60% through proper indexing and query optimization

    • Built automated testing suite with 85% code coverage using Jest and Cypress

    • Collaborated with product team to deliver 15+ new features using Agile methodology

  • Junior Software Engineer, StartupXYZ

    Jul, 2017 - May, 20191 year 11 months

    Full-stack development for early-stage startup products

    • Built responsive web applications using React, Redux, and Material-UI

    • Integrated third-party APIs including Stripe, SendGrid, and Twilio

    • Participated in code reviews and improved code quality standards across the team

    • Resolved 200+ bugs and implemented 30+ feature requests from customer feedback

Skills

Skills

  • Frontend Development

    JavaScript

    TypeScript

    React

    Redux

    HTML/CSS

    Material-UI

    Responsive Design

  • Backend Development

    Node.js

    Express.js

    Python

    REST APIs

    GraphQL

    Microservices

  • Databases

    PostgreSQL

    MongoDB

    Redis

    Query Optimization

    Database Design

  • DevOps & Cloud

    Docker

    Kubernetes

    AWS

    CI/CD

    Jenkins

    Git

  • Testing

    Jest

    Cypress

    Unit Testing

    Integration Testing

    TDD

  • Soft Skills

    Team Leadership

    Mentoring

    Agile

    Scrum

    Technical Communication

    System Design

Education

Education

  • Computer Science, Bachelor of Science, University of California, Berkeley

    Sep, 2013 - May, 2017

  • Full Stack Web Development, Bootcamp, App Academy

    Jan, 2017 - Apr, 2017

Certificates

Certificates