Tomas Roos - CTO, Co-founder at Maxetise

Tomas Roos

CTO, Co-founder at Maxetise

Greater Stockholm Metropolitan Area Sweden

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Summary

🤩

Rockstar

🎓

Top School

Tomas Roos is a pragmatic CTO and co-founder with 14 years of experience building scalable, cloud-native systems and consumer products from both technical and operational perspectives. Based in the Greater Stockholm area, he combines hands-on full‑stack engineering (Go, React, React Native, JS) with systems architecture for distributed systems and real-time messaging. Tomas has driven platform rewrites on Azure, led technical teams as CTO/COO at HappyPancake, and now guides product and engineering strategy at Maxetise. An active open-source contributor, his work touches notable projects such as Prebid.js and Next.js and includes practical ZeroMQ and mobile UI components that reveal a comfort with low‑level messaging and cross‑platform UX. Colleagues value his blend of engineering rigor, product focus, and a culture-first approach to remote collaboration.

14 years of coding experience

9 years of employment as a software developer

IT Architecture, IT Architecture at Dataföreningen Kompetens

KTH Royal Institute of Technology

Github Skills (30)

javascript10

zeromq10

react-native10

messaging10

server-client10

server-side-rendering10

adaptor10

nextjs10

webpack10

front-end-development10

header-bidding10

client-server10

webpacker10

adapter10

dotnet-core10

Programming languages (19)

C#JavaC++CSSCRustMakefileVue

Github contributions (5)

ptomasroos/react-native-multi-slider

Jul 2016 - Mar 2020

Android and iOS Pure JS react native multi slider

Role in this project:

Mobile Developer (Android/iOS)

Contributions:3 releases, 2 reviews, 94 commits in 3 years 9 months

Contributions summary:Tomas primarily focused on enhancing the example application within the React Native multi-slider repository. Their contributions include adding a new example application, fixing callback features, removing slider orientation, and upgrading files. Furthermore, they made changes to the example files, the android and ios native codes and did code adjustments to ensure correct rendering of the markers.

reactreact-nativesliderandroidreact-js

prebid/Prebid.js

Jun 2017 - Mar 2020

Setup and manage header bidding advertising partners without writing code or confusing line items. Prebid.js is open source and free.

Role in this project:

Front-end Developer

Contributions:10 commits, 19 PRs, 81 comments in 2 years 9 months

Contributions summary:Tomas primarily contributed to the Prebid.js repository by implementing features and fixing bugs related to bidder adapters, consent management, and core functionality. They modified the PubMatic adapter to allow passing of key-values, age, and gender. They also added support for Adform aliasing, updated the analytics adapter to allow the use of SET_TARGETING, and modified targeting logic to ensure consistency. Furthermore, the user added tests to the API, and to custom slot matching.

headerprebidjavascriptconfusingbidding

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