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Gustaf Rosenblad

@rosecoder
Passion for Swift and iOS. Full-time Fullstack AI Engineer at @tradera. Part-time doing qualtive.io and other stuff. Opinions are my own.
Stockholm, Sweden
rosenblad.ws
Joined December 2012
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  • user avatar
    Gustaf Rosenblad
    @rosecoder
    Apr 9
    just fixed 65,000+ warnings/errors to adopt swift strict concurrency in the @Tradera ios app. done with @Cursor and plenty(!) of agents + subagents. each subagent was focused on a single warning/error. not by adding main actor to everything, but by actually doing the migration
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    Gustaf Rosenblad
    @rosecoder
    Jan 6
    fun little holiday refactor
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    Tradera
    @Tradera
    Jan 6
    Tech story: We rebuilt our internal feature toggle UI. It looks simple in the screenshot, but hides a lot of targeting and internal logic. Biggest takeaway: with AI agents, a single developer got this done in under 5 hours. AI agents are fantastic at handling the “boring” parts
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    Gustaf Rosenblad
    @rosecoder
    Nov 24, 2025
    commit and create a pr is my favourite custom slash commands in @cursor_ai: - commit: checks out to a feature branch if needed and creates the commit message with a ticket id included - pr: uses the github cli to create a pr with a title and description based on the commits +
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