Petri-johan Last is a Senior Software Engineer with 9 years’ experience building backend integrations and cloud SaaS features, currently focused on core backend integrations for Sourcegraph’s Code AI platform. He designs and implements multi-tenant API integrations, GraphQL resolvers, and secure code host/OAuth connectors in Go and TypeScript, handling providers from GitHub and GitLab to Perforce. His work spans improving permission lookups, gitserver performance, and experimenting with LLM editor integrations for the Cody coding assistant, blending systems engineering with applied ML curiosity. Previously he built large-scale ML pipelines and productionized models at takealot.com, cutting manual review effort by over 90% through automated moderation. Based in Cochrane, Alberta, he combines strong academic training in electrical and electronics engineering with practical experience integrating external services at scale and shipping secure, maintainable backend systems.
9 years of coding experience
5 years of employment as a software developer
Master's degree, Electrical and Electronics Engineering, Master's degree, Electrical and Electronics Engineering at Stellenbosch University
Bachelor’s Degree, Electrical and Electronics Engineering, Cum Laude, Bachelor’s Degree, Electrical and Electronics Engineering, Cum Laude at Stellenbosch University/Universiteit Stellenbosch
National Senior Certificate, National Senior Certificate at Framesby High School
Contributions:1034 reviews, 393 commits, 632 PRs in 11 months
Contributions summary:Petri-johan primarily worked on back-end functionalities, specifically focusing on the cloud infrastructure and code host connection mechanisms. Their commits involved redirecting users to connect code host connections through the GitHub App, along with related UI and backend code changes. These changes included modifying specific components and adding GraphQL queries, suggesting a focus on enhancing the user experience and integrating new features with external services in the Sourcegraph platform.
Pytest plugin for mocking BigQuery data from the python BigQuery client.
Contributions:2 releases, 10 commits, 1 PR in 1 year 5 months
pythontestingbigquerymockingpytest-plugin
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.
Request Free Trial
Petri-johan Last - Senior Software Engineer, Core Backend Integrations