Skip to content

Curious by default. Open to new adventures.

Ömer Faruk CAPUR

Software engineer building reliable product systems with Go and TypeScript—and exploring how credentials should work for humans, applications and AI agents.

Leipzig, Germany

At CHECK24, I ship production-critical travel features across backend services and web applications. Outside work, I am building Keepid—a local-first credential platform focused on strong encryption, hardware-backed authentication and context-aware authorization.

Core stack — Go · Node.js · TypeScript · React · SQL/NoSQL · Docker · AWS · Playwright

Current interests — Security engineering · Local-first credentials · Developer tooling

Hire meView resume

Usually replies within one business day · Open to full-time roles

Building

Building: Keepid

A local-first credential platform for passwords, passkeys, API keys and machine identities—designed for people, applications and AI agents.

Current phase

In active development

Latest milestone

Foundation: vision, threat model, and architecture docs

Open project pageVisit live site

Career

Work

Production delivery at CHECK24 and the case studies behind it.

CHECK24 Vergleichsportal GmbH

02/2025 – Present

Software Developer

Leipzig, Germany · Hybrid, full-time

Own production-critical features from concept to release on CHECK24’s travel booking platform across Search, Hotel, Flight, Extras, Summary, and Checkout — including the product surfaces on flug-unterkunft.check24.de.

  • Delivered full-stack work across six core booking domains in a complex high-traffic platform
  • Defined Protocol Buffer interfaces for Go/gRPC services in a domain-driven architecture (MySQL, Redis, AWS)
  • Integrated a new flight provider and shipped it via a cross-team joint release into a live split test with about +30% provider-related revenue signal
  • Expanded tracking, monitoring, and observability with Grafana, Kibana, and Sentry
  • Improved web-app performance (SSR, caching, prefetching, lazy images, history/state) toward native iOS/Android CVO levels
  • Built and optimized a shared web app for browser and iOS/Android WebViews embedded as CHECK24 app plugins
  • Introduced Playwright E2E coverage for critical booking flows and cut manual test effort by over 80%
  • Modernized frontend architecture from Next.js toward Remix for maintainability, SSR, and release stability
  • Coordinated with product, UX/UI, backend, and multiple CHECK24 teams in an ~40-person agile product organization

  • Owned a large supplier integration epic for the travel booking platform, aligning product, reliability, and multi-channel delivery requirements.

    Open case study

  • Helped deliver a chatbot integration for the travel team as part of a broader company initiative.

    Open case study

  • Continuously improved performance, quality, and operational ownership on a high-traffic travel comparison and booking platform.

    Open case study

Teknasyon Tech

11/2024 – 01/2025

Frontend Developer Intern

Remote · Full-time

Built and refined partner-facing web interfaces for social-responsibility websites, translating stakeholder needs into responsive UI delivered on schedule.

  • Shipped maintainable frontend structures with Figma and modern UI libraries
  • Collaborated closely with internal teams on timely delivery and consistent UX

Clarusway GmbH

11/2023 – 11/2024

Full Stack Development Bootcamp

Online · Full-time

Completed a rigorous 12-month full-time Full Stack Development Bootcamp at Clarusway GmbH — an industry-oriented curriculum covering frontend, backend, databases, authentication, cloud basics, agile teamwork, and production delivery. The program was decisive in building a strong engineering foundation before joining CHECK24.

  • Trained full-time for 12 months on HTML, CSS, JavaScript/TypeScript, React, Node.js, Express, MongoDB, Git, REST APIs, and collaborative delivery practices
  • Built, reviewed, and deployed 40+ web applications through progressive curriculum modules and team sprints
  • Led ~95% of backend work on the MERN capstone Volunteerium (volunteerium.com), including auth, realtime Socket.IO features, S3 media, and API documentation
  • Owned ~40% of the frontend including admin panel flows, Google OAuth, and reCAPTCHA
  • Practiced code reviews, debugging, BRD/ERD planning, Figma handoff, and release readiness in a seven-person cohort

  • Career-transition capstone: a seven-person, three-month MERN team product. Early proof of backend ownership (~95%), auth, realtime, and shipping a live platform—not a claim of current production engineering level.

    Open case studyVisit site

Medium

Writing

Selected articles on Medium — performance, engineering craft, and product thinking.

Open source

GitHub

Public profile metrics for omrfrkcpr.

About

Background, languages, and how I got here.

I studied dentistry before choosing software. After moving to Germany, I reached German C2 (certified), completed an intensive full-stack bootcamp at Clarusway, and joined CHECK24 Vergleichsportal GmbH in Leipzig as a Full Stack Software Developer. I ship features end to end across booking domains, care about performance and observability, and am building Keepid as independent proof of security and systems thinking.

View credentialsView resume

Get in touch

Contact

Tell me about the role or project — I typically reply within one business day.

Email me