Scale Smarter
Perform Better

System design and optimization for startups ready to scale

Our Core Services

Four specialized services designed to accelerate your startup's technical growth and scalability

System Design

Designing scalable and maintainable systems. An entire new system or an extension of an existing one? We can help.

  • Complete system design
  • Data modelling
  • Scalability planning
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Performance Optimization

Eliminate bottlenecks and boost performance. Database tuning, caching strategies, and infrastructure optimization for maximum efficiency.

  • Database query optimization
  • Indexing and schema design
  • Load balancing & scaling
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AI Integration

Integrate AI capabilities into your systems and company. From AI-based reporting features, to PRD-based development workflows, to agentic sales and marketing automations.

  • AI-based dashboards
  • AI-based development workflows
  • AI-based marketing automations
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Custom Development

We write high-quality code with performance in mind. You'll get maintainable, scalable, and tested software crafted by professionals. We do PHP, Laravel, and Go projects.

  • High-quality code
  • Performant code
  • Unit & integration tests
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5+
Systems Designed
2x
Performance Improvements
1M+
Lines of Code Written

Transparent Pricing

Fixed-price packages designed for startup budgets. No surprises, no hidden fees.

Small

$2,250
30 hours • 2 weeks
  • 30 hours spread across two weeks
  • Complete system design
  • Data model design
  • Scalability planning
  • 7-day follow-up after the project
Most Popular

Medium

$4,250
60 hours • 4 weeks
  • Everything in small
  • 60 hours spread across 4 weeks
  • Microservices design
  • Implementation roadmap
  • 14-day follow-up after the project

Large

$8,000
120 hours • 8 weeks
  • Everything in medium
  • 120 hours spread across 8 weeks
  • Deployment planning
  • Comprehensive documentation
  • 30-day follow-up after the project

Our Guarantee

Pay as we deliver.
We break down every project into manageable milestones, so you only pay for completed work—never upfront. If you're not completely satisfied after the first two weeks, you owe us nothing.
No questions asked, no excuses.

Pay Per Milestone
Money-Back Guarantee
Risk-Free Start

Ask Our AI Agent

Have questions about our services, processes, or approach? Chat with our AI agent for instant answers.

Hi! I'm deQenQ's AI assistant. I can answer questions about our services, development philosophy, pricing, and more. What would you like to know?

AI Agent

Quick questions to get started:

Trusted by Growing Startups

See how we've helped startups scale their systems and optimize performance

Trusted by innovative companies

"We had multiple issues when we reached 100,000 users. Martin optimized the most important parts of our system in just a few weeks and now we can handle much higher traffic without any trouble."

TB
Tamas Barathi
CEO, BlueColibri International Ltd

"We decided to rewrite our application from scratch. Martin did the entire system design and most of the development as well. In 6 weeks we had a working application."

PL
Philip Ladendorf
Co-Founder, Datendo GmbH

"Thanks to Martin we delivered an important project in four months. deQenQ did the entire system design. They provided us with a detailed development roadmap and user stories."

HP
Henrietta Pinter
COO, GreenTech Innovation Ltd

API Performance Optimization

BlueColibri International Ltd.

Eliminated 90% of N+1 query problems. Added indexes to the database based on usage patterns. Schema denormalization, caching strategies. Optimized HTTP requests, and resources. Reduced the number of API requests.

Result: 40% faster response times
4 weeks

Data Privacy Platform System Design

Datendo GmbH

We designed the whole system from scratch. Starting with gathering requirements, designing the system architecture, the data model. Creating specifications, PRDs, user stories. Then we implemented the application using Laravel.

Result: a maintainable application
12 weeks

Meet Our Founder

Martin Joo - Founder & CTO

Martin Joo

Founder & CTO

Author of 5 high-rated books

13 years experience

Ready to Scale Your System?

Join the growing list of startups that trust deqenq.com to build and optimize their technical infrastructure.

Free Resources & Books

Dive deep into system design and performance optimization with our published works and resources

Published Books

Read by 5,000+ developers worldwide.

Performance with Laravel book cover

Performance with Laravel

The book addresses the most common performance bottlenecks in Laravel applications. Things like database indexing, N+1 queries, async workflows, caching, and more.

Domain-Driven Design with Laravel book cover

Domain-Driven Design with Laravel

Step-by-step guide to building domain-driven applications with Laravel. A complicated topic simplified and explained with practical examples.

Microservices with Laravel book cover

Microservices with Laravel

Building event-driven microservices with Laravel. Everything is explained from scratch, using only real-world examples, such as e-commerce, payment processing, etc.

Free Resources

Database Indexing

From B-Trees to practical examples and fast queries

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System Design 101

From one VPS to an autoscaling cluster

Read Now

Microservices 101

From a monolith to a event-driven microservices

Read Now

Designing a DB engine

From raw bytes to tables and databases

Read Now

Get Started Today

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