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Full-stack product engineer

Zeki Akgül

From interface to infrastructure,I build products that work.

Product, data, and delivery carry the trace of the same decision.

Explore selected case studies

Selected work

Selected products. Different operating realities.

CURATED / 2026

01Living plan workspace2026Live public demo

Change the plan once. See the impact before the work changes.

A controlled layer between a changing project plan and the delivery work that must remain aligned with it.

Nexus landing page showing a controlled plan-change workflow.
01.1Nexus / Living plan workspace
Nexus living plan editor with requirements and impact graph.
01.2The accepted plan stays visible while analysis prepares a reviewable change set.
Nexus dashboard showing plans, workflow history, and priority work.
01.3Plans, workflow state, and delivery priorities share one operational surface.
  • 31Unit test files
  • 02End-to-end specs
  • 01Approval gate

Independent product design and full-stack engineering

Open case study
02Civic operations prototype2026Solo graduation project

A city report should become accountable work, not disappear into a form.

A multi-surface civic issue workflow that follows a report from citizen evidence to municipal review and field resolution.

FixMyCity municipality dashboard map showing geolocated civic reports.
02.1FixMyCity / Civic operations prototype
FixMyCity municipal operations landing page and management surface.
02.2The municipal operations layer connects report intake, review, and crew coordination on one surface.
FixMyCity crew recommendation dialog with explainable score factors.
02.3Crew ranking exposes expertise, availability, workload, distance, and urgency instead of hiding the recommendation.
  • 25Data models
  • 15API modules
  • 07Admin E2E specs

Product, UX/UI, architecture, mobile, web, API and AI integration

Open case study
03Independent client website2026Live client work

Make the product feel crafted before the visitor reads a single description.

A bilingual product and story experience for an İzmir chocolate maker, designed and delivered independently.

Behzadchoco homepage opening scene featuring its chocolate texture and brand mark.
03.1Behzadchoco / Independent client website
A large handmade chocolate gift box from Behzadchoco.
03.2Product photography carries the interface; UI stays secondary to texture and craft.
Behzadchoco menu opening screen.
03.3The menu behaves as a visual collection rather than a dense commerce catalogue.
  • TR/ENBilingual experience
  • LIVEClient delivery
  • 269Product records in the current bundle

Digital direction, UX/UI, frontend, content structure and deployment

Open case study

Practice

I connect product decisions to working software.

Product framing, interaction, and architecture work together.Data and delivery carry the trace of the same decision.Every important change stays visible, reviewable, and reversible.

  1. 01Frame

    Define authority, risk, and the real user decision.

  2. 02Model

    Build the domain and state transitions before the interface.

  3. 03Trace

    Keep important changes visible and reversible.

  4. 04Verify

    Prove the claim with tests, live flows, and explicit limits.

Lab / 04—06

Smaller systems. Useful questions.

Focused experiments in API integration, network learning, and model evaluation.

Writing / Medium

Notes from the work

Technical writing about frontend systems, AI-assisted interfaces, and the decisions behind them.