Hi!

I'm Tim Rijavec, a senior platform engineer who loves building tools that make other engineers more effective and discovering new places when I'm away from the keyboard.

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My Background

I have been building software for more than 20 years. These days I focus on platform work and tools that make other engineers more effective, including AI where it genuinely helps teams ship reliable software.

I see AI as most useful when you understand the problem well and know what good engineering looks like. I like working on systems, practices and tools that let people use AI in a clear, practical way, instead of treating it as a shortcut.

Outside of work I spend most of my time with my family, trying to teach my son useful skills and a healthy way to look at the world. I enjoy building things with my hands – from furniture to parts of house renovation – and recharging through travelling, games, long conversations with friends and reading fantasy, fiction and LitRPG stories.

Technical Skills

AI-native platform engineering - automated releases, developer experience, and quality at scale.

Agentic & Platform Automation

Extension CI/CDRelease health & canaryCoordinated releasesE2E smoke testingAutomation CLIs for remote environmentsPRE reliability metricsNavigation quality (UPND)Telemetry & SLIsLLM-assisted developmentAgent sandbox security

IDE & Developer Experience

Extension and plugin ecosystemsPlugin and tool marketplacesLSP & code intelligenceAuthoring and packaging extensionsExtension governance and lifecycle policiesConfig-driven rollout controlsSession state coordination across clients

Engineering Foundation

TypeScriptPythonHackJavaScriptJavaRustC/C++System designScalable backend architectureAPI designSQL/NoSQL data modelingPerformance and reliability engineeringDebugging and root cause analysisTechnical leadership and mentoring
Selected capabilities from building extension platforms, marketplaces, and CI/CD (primarily on the VS Code platform).

Experience

  • Meta

    Meta

    6 years 3 months
    • Senior Software Engineer - Infrastructure (VS Code)
    • Senior Software Engineer - Code Intelligence
    • Senior Software Engineer - Mobile (Ads Manager)
    • Unlocked ~200 engineering hours per week by shipping end-to-end CI/CD for 200+ VS Code extensions (build, test, health-check, canary → insiders → stable) and eliminating manual promotions
    • Accelerated extension discovery and installs with end-to-end marketplace: build upload/storage, version discovery, portal, in-editor gallery, VS Code install/delivery, E2E validation, developer env pre-warming, and 3P approval workflows
    • Reduced release coordination risk via lockstep promote/canary releases (~4 eng-hours/week saved), marketplace health/release CI/CD automation, and a 7-phase health migration with zero regression
    • Improved navigation quality visibility company-wide with generic UPND measurement, daily pipelines, and SLI dashboards across all languages
    • Raised platform reliability with 30+ PRE metrics (connectivity, search, source control, navigation, debugging) and automated alerting
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  • TrustedHousesitters.com

    TrustedHousesitters.com

    5 years 3 months
    • Principal Engineer & App and Web Engineering Lead
    • Lead Engineer
    • Shipped award-winning B2C mobile app (Most Effective B2C App, 2018) and led iOS/Android platform from first release through team scale-up, with hands-on Java/Kotlin Android delivery alongside iOS
    • Owned web platform delivery: shop-front website, RESTful API design, and microservices architecture on Docker/AWS
    • Redesigned and optimised Elasticsearch queries, improving search page speed by 200%
    • Built CI/CD pipeline, containerised service deployment, and mobile/web E2E testing framework
    • Delivered media management service and distributed task queue for photos, videos, and documents
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  • Dixero International SA

    Dixero International SA

    1 years 3 months
    • Senior Software Engineer / Mobile Lead
    • Led second-generation Musicload.de e-commerce platform (legacy German digital music service, est. 2003) on a Java backend with SSR web apps and secure streaming, offline availability, and music purchasing
    • Shipped TIMmusic and Superflash Live music streaming for Gruppo Telecom Italia and Banca Intesa, handling catalog assets from Universal, Sony, and Warner on Java platforms with server-rendered web clients
    • Built audio transcoding pipelines for music catalogs and secure streaming delivery, offline playback, and purchase flows across carrier-branded streaming and shop platforms
    • Built push notification platform delivering to millions of daily users (iOS, Android, Microsoft)
    • Delivered merchandising ranking logic and Python CMS for content editors
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  • Delo d.d.

    Delo d.d.

    3 years 1 months
    • Full Stack Engineer
    • Delivered redesigns of Delo.si and Slovenskenovice.si (Drupal) for Slovenia’s largest news publisher
    • Implemented ‘Delo one’ SSO across Delo.si, Slovenskenovice.si, Ddom.si, and supplement properties
    • Performance-tuned MySQL and SQL queries, reducing page load time by 30%
    • Integrated sitewide caching (Varnish/Memcached), cutting page load time by more than 50%
    • Designed HA stack (MySQL, Varnish, Apache, Solr, Memcached) and digitised newspaper archive viewer
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  • ZootFly

    ZootFly

    1 years 3 months
    • Game Developer
    • Integrated Slovenian battlefield Poček into VBS2 simulation engine for training scenarios
    • Built in-game VoIP subsystem (Speex) for real-time speech communication in Military Vehicle Crew Simulator (Guardiaris VCS)
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  • Fortheia.si

    Fortheia.si

    4 years 8 months
    • Freelance Software Developer
    • Built CMS/CRM foundation for next-generation web applications and white-label portals
    • Delivered ToolEast project management modules and open-source ERP tooling for SMEs
    • Designed route-optimisation algorithm reducing travelled distance and costs by ~60% on known routes
    • Shipped transactional email and marketing campaign delivery system
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  • IPKO Telecommunication

    IPKO Telecommunication

    7 months
    • Software Developer
    • Built internal form/questionnaire generators and intranet tooling for telecom operations
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  • Slovenian Nuclear Safety Administration

    Slovenian Nuclear Safety Administration

    10 months
    • Software Engineer
    • Delivered intranet reporting modules and improved module development workflow for agency staff
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  • Sonce.net

    Sonce.net

    10 months
    • Junior Software Engineer
    • Built PHP–Flash communication layer and shipped client marketing sites from design to production
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Education