Deniz Akşimşek Curriculum Vitæ

deniz@aksimsek.tr
Ankara, Turkey
github.com/dz4k
codeberg.org/dz4k

I am a software engineer with a focus on front-end and full-stack web development and an open source maintainer.

I'm looking for a position building high-fidelity applications or developer tools.

Skills

Software
  • JavaScript
  • TypeScript
  • HTML
  • CSS
  • Node.js
  • Deno
  • Python
  • FastAPI
  • Flask
  • Docker/Podman
  • Java
  • Typst
  • Dart
  • Flutter
  • Bash
  • Git
  • GTK
  • Vala
  • SQL
  • (SQLite / PostgreSQL)
  • Redis
  • React
  • Puppeteer
Fields
  • Web development
  • REST APIs
  • Responsive design
  • Accessibility
Techniques
  • CI / CD
  • Browser automation
  • Serverless computing
Vendors
  • Fly.io
  • Bunny.net
  • Cloudflare Workers
  • Google Cloud Platform (GCP)
  • Supabase
Languages
  • Turkish (native)
  • English (fluent, CEFR C1)
  • Toki Pona

Experience

Full-stack Developer, RuneLab / Easy And Done (TR) 2025 Feb. – Present

Created the company's online course platform from scratch, including backoffice, payments, CRM integration, asynchronous course interface, and internationalization.

Implemented designs in vanilla HTML and CSS.

Collaborated with business development specialists for system design and requirements gathering.

Deployed various self-hosted software for internal use.

Created microsites and set up CMSes for them.

Debugged email deliverability issues.

  • Python
  • FastAPI
  • htmx
  • PostgreSQL
  • Docker / Podman
  • Fly.io
  • Bunny Stream

Full-stack Developer, Rebase Ventures (UK) 2023 Aug. – 2024 June

Developed a scalable web crawler as a SaaS application, which was integrated into existing products to replace a costly and slow third-party solution.

Wrote internal developer documentation, as well as contributing to end-user documentation.

  • Cloudflare Workers
  • Google Cloud
  • TypeScript
  • Puppeteer
  • htmx
  • Redis
  • SQL
  • Docker
  • React
  • Python
  • OpenAPI
  • Docker

Developer (part-time), Commspace (ZA) 2022 Sept. – 2023 May

Worked on a business automation system for end-to-end testing with Se­le­nium, Contributed to an in-house Java web framework and custom scripting language. Implemented a CodeMirror-based script editor.

  • Java
  • GraalVM
  • Browser automation
  • JavaScript
  • PostgreSQL
  • Rollup

Portfolio

Hypermedia Systems (2023)

Co-authored book about hypermedia and htmx. Wrote the "Client Side Scripting" chapter and the "HTML Notes". Designed the book on web and print. 5000+ copies sold. ☞ hypermedia.systems.

  • HTML
  • htmx
  • Typst
Missing.css

CSS framework and JavaScript library for rapid development of responsive web pages and interfaces. Built with funding from Big Sky Software and Commspace. GitHub ⋆ 625. ☞ missing.style.

  • HTML
  • CSS
  • JS
  • Accessibility
Denizen

CMS for personal blogs and websites, focused on config-free deployment. ☞ denizen.dz4k.com.

  • Deno
  • Deno KV (NoSQL)

Education

B. Eng. Computer Engineering, TED University, Ankara

Other

htmx and _hyperscript co-maintainer. ☞ htmx.org.

GitHub Accelerator 2023 alum. ☞ accelerator.github.com.

TED Tam Eğitim Burslu.

References

Damien C Tanner, CEO Rebase Ventures. ☞ tanner.me.

Carson Gross, CEO Big Sky Software, Instructor – Montana State University. ☞ bigsky.software.