Marcus Johnson

marcus.j@email.com · (206) 555-0198 · Seattle, United States linkedin.com/in/marcusjohnson

Senior Software Engineer

Technical Skills

• Languages: Java Python C++ SQL
• Cloud & Infrastructure: AWS Kubernetes Terraform Docker
• Distributed Systems: System Design Microservices Distributed Caching Database Internals

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Summary

Results-driven software engineer with 7+ years of experience building large-scale distributed systems. Strong ownership mentality with a track record of delivering high-impact projects serving millions of users. Experienced in designing fault-tolerant architectures and leading cross-team initiatives.

Experience

Software Engineer III — AWS

2020-01 – Present

• Owned the design and implementation of a new distributed caching layer serving 10K+ nodes, reducing average read latency by 60%.
• Led a team of 5 engineers to deliver a critical infrastructure migration impacting 200+ services, completed 2 weeks ahead of schedule.
• Drove a cost optimization initiative that reduced AWS infrastructure spend by $2.5M annually through right-sizing and reserved instance planning.
• Invented and patented a novel approach to cache invalidation, improving data freshness by 45%.

Software Engineer — Oracle

2017-03 – 2019-12

• Designed and built a multi-tenant database provisioning system, reducing new customer onboarding time from 2 weeks to 4 hours.
• Improved query performance by 70% through index optimization and query plan analysis for a petabyte-scale data warehouse.
• Implemented automated failover mechanisms achieving 99.99% uptime for the core database platform.

Education

• M.S. in Computer Science & Engineering, University of Washington (2015-09 – 2017-03)
• B.S. in Computer Science, University of California, Los Angeles (2011-09 – 2015-06)

Certifications

• AWS Solutions Architect Professional (2023)