John Sawyer

John Sawyer — CS Graduate of the University of Washington

Expertise in Mobile Apps (1.0 yr.), Front-End Web (1.0 yr.).

Last verified on April 23, 2025

Core Skills

Ext JS

FDD

XML

Java

Python

AI Tools & Assistants

Amazon Machine learning services

AWS ML (Amazon Machine learning services)

Bio Summary

A proactive and technically skilled software engineer with a BS in Computer Science from the University of Washington. Experienced in creating robust web and mobile applications utilizing advanced technologies such as Next.js, Java, Python, JavaScript, Node.js, PyTorch, and sklearn. Adept at optimizing data structures and algorithms and keen on adopting machine learning to enhance software solutions. Holds key certifications, including Oracle Java, and is committed to continuous learning. Brings a solid background in leading team operations to improve service quality and operational efficiency, with over five years of experience in supervisory roles. Eager to contribute to innovative projects in a collaborative environment.

Technical Skills

AI & Machine Learning	Amazon Machine learning services, AWS ML (Amazon Machine learning services)
Programming Languages	Java, Python, TypeScript
JavaScript Frameworks	Angular, Ext JS
Java Frameworks	Spring Boot
UI Frameworks, Libraries, and Browsers	XML
Data Analysis and Visualization Technologies	k-NN
Amazon Web Services	AWS ML (Amazon Machine learning services)
Deployment, CI/CD & Administration	CI/CD
QA, Test Automation, Security	Debugging
Methodologies, Paradigms and Patterns	FDD
Other Technical Skills	App Service, Data Structures, Teamwork

Work Experience

Supervisor, Operational Efficiency Enhancement

Duration: October 2018 - September 2023

Summary: Streamlined operations and optimized order prioritization to improve efficiency at a fast-paced pizza establishment.

Responsibilities: Communication and staff coordination, leading a team, implementing communication strategies, supervising operations.

Technologies: Communication strategies, staff management tools

Tutor, Computer Science Tutoring Program

Duration: September 2022 - June 2023

Summary: Provided computer science tutoring, focusing on debugging, syntax, and data structures to assist students in enhancing their programming skills.

Responsibilities: Mentorship, offering tailored tutoring sessions, academic support in debugging, syntax comprehension, and data structure implementation.

Technologies: Various programming languages and technologies pertinent to computer science education

Delivery Associate, Delivery Optimization and Management

Duration: September 2023 - Present

Summary: Actively partaking in delivering customer-focused solutions in logistics, likely involving tracking and managing deliveries.

Responsibilities: Delivery management, ensuring optimal service delivery, adhering to performance standards.

Education

Bachelor of Science - BS, Computer Science
September 2020 - June 2023
FastTrack Full-Stack Training Program

Certification

IntelliJ IDEA Community Edition Essential Training
Nail Your Java Interview
Oracle Java Certification: 1. Data Types
Oracle Java Certification: 2. Operators and Decision Statements
Oracle Java Certification: 3. Methods and Inheritance

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire John Sawyer
or someone with similar Skills?

Book a call with John Sawyer

Start Hiring