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
    • Lead Engineer — VS Code Platform
    • Software Engineer — Code Intelligence (Glean)
    • Software Engineer — Mobile (AMA / MAX)
    • Built end-to-end CI/CD automation for 200+ internal VS Code extensions (build, test, health-check, canary → insiders → stable), saving ~200 engineering hours per week and eliminating manual promotions
    • Delivered the VS Code marketplace platform: extension portal, in-editor gallery, auto-installer, vscode-daemon pre-installs, and 3P extension approval workflows
    • Led coordinated (lockstep) extension releases and a full marketplace health-signal migration with zero regression across portal, CI/CD, and monitoring
    • Shipped generic UPND code-navigation quality measurement across all languages with daily pipelines and SLI dashboards
    • Established 30+ PRE reliability metrics (connectivity, search, source control, navigation, debugging) with 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
    • 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)
    • Shipped TIMmusic iOS streaming app for Gruppo Telecom Italia and Superflash Live for Banca Intesa
    • Built push notification platform delivering to millions of daily users (iOS, Android, Microsoft)
    • Delivered Bayesian-ranking recommender system and Python CMS for content editors
    • Drove technology stack selection and HA platform design (MongoDB, Varnish cluster, Jetty, HAProxy, Solr)
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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 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