Curriculum Vitae of Rommert Zijlstra

Front End technical lead for multiple projects (but same core team) in the Web3 space: reNFT, an NFT rentals platform; 021, a Web3 innovation laboratory; Rumble Kong League, a fast-paced 3v3 competitive basketball game.

• Designed and implemented multiple scalable full-stack architectures: Endgame (reNFT v3 NFT rentals), Coin.fun (memecoin launching & trading), and a fantasy baseball web game with bets and chats.
• Led front-end technical direction, onboarding, mentorship, and hiring of peers.
• Responsible for project/sprint breakdowns, planning and retrospectives.
• Updated SKDs and other developer tooling; provided developer and user support.
• Introduced forked chain E2E testing, guarding against buggy releases.
• Refined the reNFT v2 peer-to-peer lending web application. At peak we handled 1.500 rental transactions a day.

Pro4all creates software solutions which support many processes utilized in construction: from document management to on-site quality control. Pro4all improves teamwork.

• Co-responsible for front-end technical direction of the core product, ProStream.
• Aligned product owners, designers and users on feature direction.
• Architected, built, and optimized core features and libraries.
• Implemented and optimized Azure CI/CD pipelines.
• Mentored team members; started and chaired the front-end guild.
• Established front-end/React best practices, testing methodologies, PR & code review guidelines.

IN60SECONDS engineers understanding by creating stunning explanimations and gripping interactive experiences.

• Implemented an in-house production and delivery pipeline for interactive productions in 6 months.
• Advised and directed clients and colleagues on matters like accessibility, interaction, and tech.
• Responsible for estimation, budgeting and managing assets and work.
• Setup of devops architecture: a self-hosted GitLab with CI/CD pipelines provisioning staging and production environments.
• Realized a diverse range of WCAG 2.1 compliant projects utilizing varying technologies.
• Maintained websites and projects; optimized server-side and front-end performance.

Digital product and web agency for clear strategy and crisp interaction. Worked for clients like Elsevier, Alcon, Edenspiekermann, International Card Services, Van Herwerden, de Volkskrant, Sony Music NL and Quirido publishers.

• Responsible for technical direction, front to back, operations & infrastructure.
• Designed, implemented, and scaled full-stack web applications of varying complexity and across many industries.
• Provided technical consultancy, UX & accessibility strategy, performance optimization.
• Highlights: CSS architecture, optimized critical path rendering and implemented WCAG 2.1 compliance for Elsevier Reaxys. Designed & developed an interactive longreads platform and publisher tooling for Quirido. Designed and developed the webshop for the largest bike retailer in NL, van Herwerden.

I started my professional journey onto the web as a freelance web designer & developer.

Socio-historical, philosophical research of media's interplay with society, culture and the self. Finished all coursework.

Communication & strategy, project management, system architecture, interaction design, UX design and usability.

Open Source

• I developed my own Vim theme called FANSI. Initially in VimScript, later ported to Lua for NeoVim. Still being maintained.
• Minor contributions to a myriad of different tools and toolchains I’ve used over the years, ranging from Vim plugins, shell tools, PHP libraries, Blockchain SDKs, etc.

Languages

Fluent English in speech and writing. Fluent Dutch in speech and writing. Can talk to computers.

Interest & Leisure

Loves learning new tech (currently: Nix). Supporting a Human 1.0 LTS deployments (i.e. daughter) with my wife and feline. Reading: technology, history & society, some philosophy, sci-fi. Music: a force of human nature! I sing and play guitar. Sports: bouldering and skateboarding. Friends & family, a bit of gaming—hit me up for some Factorio, Minecraft or Rocket League!