Adam Haglund
Senior Full Stack, DevOps Engineer at Zettle by PayPal
Stockholm, Stockholm County, Sweden
Summary
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Rockstar🎓
Top SchoolAdam Haglund is a Senior Full Stack and DevOps engineer based in Stockholm with 11 years of experience building resilient web platforms and improving developer and user experiences. At Zettle by PayPal he has driven migration of a Ruby monolith to a Jamstack architecture while implementing CI pipelines, monorepo strategies and infrastructure as code using Terraform and AWS CDK. He ships across the stack—rewriting front-end components, refactoring backend logic, and optimizing APIs—and has contributed UX-focused improvements to notable open-source projects like Insomnia and backend integrations for Plex metadata tooling. Known for pragmatic refactors and hands-on mob programming, he blends platform engineering with product-minded front-end work to make systems easier to maintain and operate. An early background in game and interactive media design informs his attention to usable interfaces and developer ergonomics.
11 years of coding experience
5 years of employment as a software developer
Game and Interactive Media Design, Game and Interactive Media Design at LBS Kreativa Gymnasiet
Stackoverflow
61reputation
4kreached
1answer
1question
Github Skills (23)
apim10
javascript10
electron10
python10
meta10
metadata10
api10
data-handling10
react10
ui-design9
animate9
graphql8
html8
wordpress-graphql8
css8
Programming languages (20)
Github contributions (5)
ZeroQI/Hama.bundle
Jul 2020 - Jan 2023
Plex HTTP Anidb Metadata Agent (HAMA)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 commits, 2 PRs, 7 comments in 2 years 6 months
Contributions summary:Adam primarily contributed to the backend logic of the Plex HTTP Anidb Metadata Agent (HAMA) project. Their work involved implementing and improving the integration with AniList, including fetching metadata and matching AniDB IDs to AniList IDs. This involved making API calls, handling data, and improving the efficiency of the data retrieval process. The user also refactored the import statements.
agentplexanidbmetadataanime
Kong/insomnia
Aug 2017 - Aug 2017
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Role in this project:Front-end Developer
Front-end DeveloperContributions:7 commits, 1 PR, 2 comments in 2 days
Contributions summary:Adam primarily contributed to the front-end aspects of the Insomnia API client. Their work focused on enhancing UI components, as seen in the changes to forms and cookie management modals. They implemented new modal reload functionality and rewrote the cookie editing interface. They also addressed rendering issues related to cookies within the application.
grpcgraphql-restrest-apiapi-clientapi
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