Mark Sandstrom
Alexandria, Virginia, United States
Summary
🤩
Rockstar🎓
Top SchoolMark Sandstrom is a seasoned technology entrepreneur and architect with 17 years of experience building and shaping backend systems from Alexandria, Virginia. He blends hands-on development and strategic innovation, with deep expertise in API design and high-performance server-side engineering. As a contributor to the wundergraph/graphql-go-tools project, he has improved core GraphQL AST handling, test automation, and gateway functionality—work that reflects a strong focus on correctness and extensibility in distributed APIs. Mark is comfortable moving between bug fixes and feature development, demonstrating both attention to detail and system-level thinking. He pairs entrepreneurial instincts with practical implementation skills, making him effective at turning complex integration challenges into robust, testable solutions.
17 years of coding experience
Golden Gate University
Github Skills (5)
graphql10
go10
wordpress-graphql10
wpgraphql10
testing10
Programming languages (9)
Github contributions (5)
wundergraph/graphql-go-tools
Oct 2021 - Feb 2022
GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:9 reviews, 10 commits, 9 PRs in 3 months
Contributions summary:Mark primarily focused on enhancing the GraphQL Go Tools project by addressing bugs and adding features. They updated the printing of block strings and corrected the ValueToJSON method, improving AST handling. Further contributions involved adding and modifying tests for the LocalTypeFieldExtractor, including sorting and refining test cases related to interface and union types. The user's work demonstrates a deep understanding of the project's core functionality, including AST manipulation and testing.
linterast-transformationintrospection-queryastparser
dnerdy/django-reroute
Dec 2010 - Jul 2014
Contributions:31 commits in 3 years 8 months
dispatchurlsverbpythondrop-in
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.