Maciej Tyra

Full-Stack Developer · CTO & Co-Founder at Digitay.pl

Polandm.tyra@digitay.pldigitay.pl

Profile

Full-stack developer and technical leader with hands-on experience building modern web applications, e-commerce stores, business websites, AI/ML prototypes, and marketing tech systems. As CTO & Co-Founder of Digitay.pl, I lead a team serving 30+ active clients and manage everything from architecture and development to SEO strategy, client consulting, and team coordination.

I merge clean engineering with product thinking, performance awareness, and business understanding. I deliver solutions across Next.js, Django, WordPress, and Python that are technically sound and designed to produce real, measurable outcomes.

Experience

CTO & Co-Founder

2023 to Present
Digitay.pl ↗

Leading technical strategy, team management, and hands-on development for a digital agency serving 30+ active clients. Responsible for full-stack development, client consulting, SEO strategy, Google Business management, and end-to-end project delivery across web development, e-commerce, and digital marketing.

  • Build and deliver custom websites and online stores for clients using Next.js, Django, and CMS platforms (WordPress, Sellstick)
  • Optimize and fix existing WordPress and CMS-based e-commerce stores: page speed improvements, technical debt resolution, conversion-oriented UX
  • Plan and execute SEO strategies: technical audits, on-page optimization, keyword research, SEO-friendly blog content writing
  • Create and manage Google Business Profiles: optimizing local visibility, review management, accurate business information
  • Direct client consulting: translating business goals into technical requirements, maintaining long-term relationships
  • Team management: code reviews, task delegation, sprint planning, quality assurance, and mentoring developers
  • Implemented analytics stacks (GTM, GA4), conversion tracking pipelines, and Google/Meta Ads campaigns
  • Managed end-to-end project delivery from discovery to deployment on VPS infrastructure with Nginx

Key Projects

Katalogo.pl

Lead Developer & Architect
katalogo.pl ↗

Full-stack business directory platform and the largest verified business database in Poland with 71,000+ listed companies and 250K to 300K monthly visitors.

  • Architected the entire platform from scratch: database schema, API layer, SSR/SSG rendering, component system
  • Built a multi-tenant data pipeline with automated deduplication and category mapping across 4,900+ industry categories
  • Implemented SEO-first architecture: dynamic sitemaps, JSON-LD structured data, semantic HTML, optimized meta tags
  • Designed scalable search with PostgreSQL full-text search, city + category compound filtering, server component rendering
  • Created the 'Strefa Partnera': business self-registration, profile editing, photo uploads, promoted listings
  • Performance-optimized for Core Web Vitals: lazy loading, image optimization, Prisma query tuning
Next.jsTypeScriptPrismaPostgreSQLPythonTailwind CSSDocker

AI Trainer

Developer & ML Engineer
github.com/Maciejowskii/AI-TRAINER ↗

Custom AI model for image recognition and object detection. Built as a vision backbone for automation bots and intelligent agents.

  • Developed a cascade classifier training pipeline using OpenCV: dataset collection, labeling, supervised learning
  • Built HSV color-space filtering and edge detection modules for real-time object detection
  • Created a real-time window capture system for live screen analysis, frame-by-frame processing
  • Modular architecture: separate vision, filtering, and capture layers pluggable into any automation framework
PythonOpenCVCascade ClassifiersComputer VisionNumPy

C++ Algorithms & Data Structures

Developer
github.com/Maciejowskii ↗

A collection of 7 standalone C++ projects exploring core CS fundamentals: sorting algorithms, queue data structures, file processing, and time logic.

  • Implemented Bubble Sort, Bucket Sort, and general-purpose sorting toolkits with manual memory handling
  • Built custom queue (FIFO) data structures: standalone and integrated with sorting for priority-based processing
  • Developed a Linux file sorting utility using C++ I/O streams and POSIX interfaces
  • All raw implementations (no STL sort, no external dependencies) focused on algorithmic internals
C++AlgorithmsData StructuresMemory ManagementPOSIXLinux

Technical Skills

Frontend

Next.jsReactTypeScriptJavaScript (ES6+)Tailwind CSSHTML5 / CSS3

Backend & Infrastructure

Node.jsDjangoPostgreSQLPrismaDockerREST APIsLinux / VPSNginx

CMS & E-commerce

WordPressSellstickCustom Themes & PluginsHeadless CMSWooCommerce

AI & Data

PythonOpenCVComputer VisionCascade ClassifiersNumPyData Pipelines

Analytics & Marketing Tech

Google Tag ManagerGoogle Analytics (GA4)Google AdsMeta AdsGoogle BusinessTechnical SEO

Workflow & DevOps

Git / GitHubCI/CD PipelinesVPS DeploymentPerformance OptimizationTechnical SEO Audits

Languages (Programming)

TypeScriptJavaScriptPythonC++

Core Competencies

Full-stack application architecture & development
Custom website & e-commerce store delivery
CMS optimization & technical debt resolution
SEO strategy, audits & content writing
Google Business Profile management
Client consulting & relationship management
Team leadership, code review & mentoring
API design, integration & third-party connectivity
Analytics implementation & conversion tracking
Machine learning & computer vision prototyping
Performance optimization (Core Web Vitals, UX)
Business requirements analysis & solution design

Education

Self-taught & Continuous Learning

Practical expertise built through real-world project delivery for 30+ clients, open-source contributions, technical documentation study, and structured online learning across full-stack development, machine learning, DevOps, and digital marketing.

Languages

Polish

Native

English

Professional

Contact

Email

m.tyra@digitay.pl

Website

digitay.pl

LinkedIn

linkedin.com/in/maciejtyra

GitHub

github.com/Maciejowskii