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DK, Back to homeDaniel Kurdoghlian

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Complex systems. Cleanly built.

I build software that makes business sense. I take on a handful of projects a year, so every one of them gets my full attention.

Data Engineering

Campaign attribution without third-party tools

B2B marketplace · 2024

A privacy-first tracking pipeline that replaced Google Analytics and closed the ad-blocker gap.

Django UTM REST API PostgreSQL
Case Study
Security

Document encryption at rest

B2B marketplace · 2024

Every upload became ciphertext on disk without changing a single download.

Fernet Django GDPR PostgreSQL
Case Study
Integration

Marketplace embeds on partner sites

B2B marketplace · 2023-2024

One Django app that adapts itself inside an iframe, with cross-origin messaging.

postMessage Django CORS JavaScript
Case Study
Frontend

A price filter across five orders of magnitude

B2B marketplace · 2024

A power-curve range slider that makes 500 euros and 50 million reachable on one track.

TypeScript Web Components CSS
Case Study
Backend

Webhook processing under load

B2B marketplace · 2023-2024

Deadlock-resilient handlers that process 50,000 events a day without losing one.

Django Celery Redis PostgreSQL
Case Study
Automation

Automated property exposés

Real estate platform · 2022-2024

A 45-minute InDesign job per listing became a three-second generator.

ReportLab Django Python SVG
Case Study
Backend

Search agents with frequency control

B2B marketplace · 2022-2024

Scheduled matching that deduplicates results and sends exactly one email per finding.

Celery Beat Django ORM SMTP PostgreSQL
Case Study
Performance

First-party visitor tracking at 500 requests a second

B2B marketplace · 2021-2024

Middleware that turns every IntegrityError into a 2 ms read instead of a crash.

F() SELECT FOR UPDATE Django PostgreSQL
Case Study
Frontend

Feature flags for A/B tests

B2B marketplace · 2022-2024

Percentage rollouts with visitor-level persistence, toggled by the product team in seconds.

Feature Flags Django Middleware JavaScript
Case Study
Database

Zero-downtime schema migrations

B2B marketplace · 2023

A four-step decomposition that changed a four-million-row table during peak traffic.

PostgreSQL RunSQL Django Migrations CI/CD
Case Study
Performance

Per-tenant cache invalidation

B2B marketplace · 2021-2024

Version-hash keys across 200+ company profiles: edits go live instantly, nothing leaks between tenants.

Redis Cache Versioning Django Multi-Tenant
Case Study
Backend

Rule-based pricing that retired the Monday spreadsheet

B2B marketplace · 2023-2024

Account managers compose demand, supply and season rules and preview the price before publishing.

Rule Engine Celery Django PostgreSQL
Case Study
Automation

Contract generation from verified data

B2B marketplace · 2022-2024

Template inheritance turned a three-day process into two seconds with zero field errors.

Jinja2 Django Template Inheritance PDF
Case Study
Integration

Three payment gateways, one checkout

E-commerce SaaS · 2022-2024

Synchronous, redirect and webhook flows unified behind a single pipeline with price re-validation.

Braintree PayPal Django PostgreSQL
Case Study
Every project starts with your domain, not with a template.

We have enjoyed working with Daniel for 10 years now. We highly appreciate his fast response times around the clock and his all-round knowledge. Whether server configurations or programming, he always has the right solution.

Manuel Kasbarian - CEO, SophistiX

Join Manuel and launch your next project with confidence.

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