Dykyi Roman - Software Engineer

About me

🌍 Nationality: Ukrainian 🇺🇦

🏡 Residence: Spain 🇪🇸

💖 Family: Team of 3 👩‍❤️‍👨👧

🏁 Hobby: 📚 🌴 🗻 🚴 🏊 🚣 🎭 ✈️

Visited: 0 countries

Profile

Senior Software Developer with years in WEB and Desktop application development. Open-source contributions, check out my GitHub account to see my projects. Sharing knowledge is my passion, and I enjoy teaching and writing articles in my free time.

I am capable of taking on the roles of Team Lead or Tech Lead. I excel at guiding the overall architecture of projects and driving team development. I`m particularly passionate about project and application architecture and advocate for Domain-Driven Design (DDD) to ensure that solutions effectively address real business problems.

Articles

Published

PHP Annotated – September 2023
A concise explanation of DIP, SOLID, GRASP, CQR, CQRS, hexagonal architecture, layered architecture, modular monoliths, microservices, event-driven architecture, and DDD.
PHP Digest No. 202 (April 1 - 30, 2021)
The crossword game is implemented as an example of scalable and highly loaded architecture on Symfony.

Teaching

PHP Teacher

IT School Hillel

Jan 2017 - Dec 2019 · 2 yrs

Public online presentations

Skills

Languages: PHP, JS, Delphi, Go
Frameworks: Symfony, Laravel, Yii2, Codeigniter (understanding framework-agnostic principle)
Stack: MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch, RabbitMQ, Kafka
Philosophy: DDD, ADR, GRASP, SOLID, KISS, DRY, YAGNI
Architecture: Clean, Layered, CQRS, Hexagonal, EDA, Modular, Microservice Architecture
Design: C4 Diagrams, PlantUML, 12 factor architecture, API specifications, Technical documentation,
Tests: PhpUnit, Codeception, Postman
Tools: Deptrac, PhpCsFixer, Psalm, PHPStan, PHPDoc
Others: GitFlow, Teamwork, Mentoring, Onboarding, Organizational, Motivation, Learn and Adapt

Achievements

Creating a unified admin panel for microservices architecture: Development of a manifest and methods for communication between services. The goal was to create a flexible admin panel that does not require constant adjustments with changes in the system architecture.
Moving a legacy project from outsourcing to in-house development: Forming a team, developing a technical roadmap, resolving issues and incidents and many other thinks. We implemented a step-by-step refactoring process. Through our collaborative efforts, we were able to transform a complex and confusing project into a stable and efficient product. The goal was for the project to operate without interruptions while addressing business tasks without pause in work.
Development of a custom billing CRM: Creating a suite of services, including CardStore, PaymentIntegration, Notification, and RiskAssessment. The goal was moveout from paid payment gateways and save business money.

Career History

Senior PHP Developer

Forex4you

Apr 2020 - Feb 2023 · 2 yrs 11 mos

Latvia/Remote

Tech/Team Lead

Forex4you

Feb 2023 - May 2025 · 2 yrs 5 mos

Remote

Forex: Designed a separate, service-oriented architecture to handle billing workflows, ensuring flexibility and maintainability. Integrate Zoho CRM, Risk Assessment Matrix, Notify services.

Billing: Integrated payment CRM: Konnektive, Sticky. And payment gateways: BitPay API, MaxPay, ACI PayOn, EmerchantPay, Checkout, Trust Payments and others... Developed a custom billing solution with microservices for better scalability and modularity.

Marketplace: Transitioned the project from outsourcing to in-house development, forming a dedicated team, creating a technical roadmap, and implementing step-by-step refactoring to enhance stability and performance.
Senior PHP Developer

Lucky Labs

Jun 2019 - May 2020 · 1 yr

Riga, Latvia

Promoted the Domain-Driven Design (DDD) approach within the team to improve project focus and alignment with business goals.

Boosted the speed of functional testing by 3x, enhancing overall development efficiency. Implemented new gamification features to increase user engagement.

Integrated a new game provider, expanding the platform's offerings. Compressed data to address SEO performance issues. Integrated a CI/CD pipeline to streamline and automate the deployment process.
Team Lead

UvoCorp

Jan 2017 - May 2019 · 2 yrs 5 mos

Kiev, Ukraine

Integrated various APIs, including Customer.io, Twilio Lookup, HashiCorp Vault, and Document Plagiarism APIs, to enhance functionality and security.

Separated the Core bundle into functional modules, following the Domain-Driven Design (DDD) approach. Created a Docker environment for streamlined local development.

Migrated the project from Errbit to Sentry for improved error tracking and monitoring. Integrated Graylog for centralized log management and enhanced troubleshooting.
Senior PHP Developer/Team Lead

Travel professional group

Jun 2014 - Dec 2016 · 2 yrs 7 mos

Kiev, Ukraine

Feature Development: Developed a Skype API messenger integration using PHP and Delphi.

Module Development: Built an Admin CRM from scratch using Laravel and PHP 7. Led full-stack website development projects using WordPress, Laravel, PHP, and JavaScript.
Delphi Developer

4Shared

Jun 2011 - Nov 2012 · 1 yr 6 mos

Kiev, Ukraine

Senior Delphi Developer

4Sync

Nov 2012 - Oct 2014 · 2 yrs

Kiev, Ukraine

Module and Feature Development: Developed a coupons module to enhance promotional capabilities. Developed toolbars for various platforms, including 4shared Toolbar, 2shared Toolbar, and 4Sync Toolbar.

Server and Logging Systems: Created a logging server for all systems using the Syslog protocol (UDP/IP) to centralize log management and improve monitoring.

Scripts and Automation: Wrote FastReport scripts for automated report generation. Developed DLLs for LoadRunner to enable customized load testing scenarios Created online and offline installers using NSIS (Nullsoft Scriptable Install System).

COM and DLL Development: Developed various COM objects to support integration and automation tasks.