Devikit
15 commercial WordPress and WooCommerce plugins for invoicing, marketplaces and store data. Sold in Poland, Germany, France and the UK.
WordPressWooCommercePlugins
View project Denis Romanenko
Technical Problem Solver & Software Developer
WordPress & WooCommerce Development · API Integrations · Automation · Custom Software
I help businesses and development teams solve complex technical problems, build custom software solutions and connect systems through reliable integrations.
With over 7 years of experience in web development and digital products, including running my own digital agency and building commercial software products, I combine technical expertise with a strong understanding of business needs.
Make.com
n8n
Python
PHP
JavaScript
WordPress
OpenAI
Claude
Cursor
Next.js
REST API
PostgreSQL
Docker
FastAPI
HTML5
CSS3
AI
Make.com
n8n
Python
PHP
JavaScript
WordPress
OpenAI
Claude
Cursor
Next.js
REST API
PostgreSQL
Docker
FastAPI
HTML5
CSS3
AI
0+
Years in web development
0
People led at the agency
0+
Agency projects delivered
0
Commercial products
About Me
Independent developer, former agency founder
I'm Denis Romanenko, an independent software developer and entrepreneur with over 7 years of experience in web development, software products and digital business.
I previously founded and managed a digital agency, where I led a team of 10 professionals and oversaw the delivery of more than 500 web development and digital projects. On the hardest technical problems, I did the work myself.
Today, I focus on hands-on technical development, building commercial software products and helping businesses solve complex technical challenges.
I also founded Devikit, an independent software business focused on WordPress and WooCommerce plugins and integrations, serving customers across multiple international markets.
My experience combines practical development knowledge, product ownership and an understanding of how technology supports real business operations.
My approach
- Independent problem-solving and technical investigation.
- Practical solutions focused on business outcomes.
- Clean, maintainable and reliable implementations.
- Clear communication and accountability.
- Comfortable working independently within existing teams and workflows.
Expertise
What I Do
WordPress & WooCommerce Development
- Complete WordPress website development.
- Custom WordPress plugin development.
- WooCommerce custom functionality.
- Third-party plugin and service integrations.
- Payment and invoicing integrations.
- Product feeds and data synchronization.
- Complex debugging and technical fixes.
- Existing system improvements and maintenance.
API Integrations & Backend Development
- REST API integrations.
- Webhooks and event-driven workflows.
- OAuth 2.0 authentication.
- Data synchronization between platforms.
- Custom PHP and JavaScript development.
- Backend integrations and custom business logic.
AI & Business Automation
- n8n workflow automation.
- OpenAI API integrations.
- AI-powered business workflows.
- Automated data processing.
- Connecting multiple business applications.
- Custom automation solutions.
Custom Software & Technical Problem Solving
- Custom business software.
- Existing application improvements.
- Technical investigation and debugging.
- Software architecture and implementation planning.
- Complex feature development.
- Ongoing technical development support.
Career
Experience
Agency leadership, then hands-on product and client development.
2025 – Present
Founder
Devikit
Independent software business focused on WordPress and WooCommerce plugins and integrations.
- 15 commercial plugins for invoicing, marketplaces and store data, sold in Poland, Germany, France and the UK.
- I build and maintain the products, including API connections to local accounting systems.
2025 – Present
Founder
Makeai.pl
An educational site for business owners in Poland on Make.com and practical automation.
- Courses and templates that explain how to connect business tools without a large technical team.
2020 – 2025
Founder
Devimu
Digital agency I founded and managed. I led a team of 10 and took the hardest technical problems myself.
- More than 500 web development and digital projects delivered by the team.
- Websites, online stores and the technical decisions around them.
- I stayed close to scoping, delivery and client communication.
Life
Beyond the Code
I work remotely from Southeast Asia.
Digital Nomad
Thailand 🇹🇭
I work remotely from Southeast Asia for clients in Europe and the US.
SurfingGeneral AviationMotor scooter ridesConsole gaming
Portfolio
Selected Work
SaaS products, accounting integrations, agency-scale delivery, and infrastructure — built for real businesses.
Aigely
A product that checks whether LLM recommends an online store when people ask real shopping questions.
SaaSAIE-commerce
View project 
Makeai.pl
A Polish site with courses and templates on Make.com and practical business automation.
Make.comEducationAutomation
View project 
Fakturownia for WooCommerce
Connects a WooCommerce store with Fakturownia so Polish orders can become invoices and warehouse documents, with VAT handled in the integration.
WooCommercePolandInvoicing
View project 
wFirma for WooCommerce
Sends WooCommerce orders into wFirma so invoices and inventory stay in step with the shop.
WooCommercePolandAccounting
View project 
inFakt for WooCommerce
Turns completed WooCommerce orders into inFakt invoices and keeps customer records aligned.
WooCommercePolandAccounting
View project Open Source
Try Before You Hire
Free versions of these plugins are on Devikit. Download one and try it in your own store.
Reputation
Professional Track Record
My professional reputation comes from years of running a digital agency and developing commercial software products.
Selected Google reviews for Devimu
These are public reviews of the agency. They are not reviews of me as a freelance developer, and not every reviewer worked with me directly.
“Cooperation with Denis went flawlessly. The promise of delivering a professional website in just a few days was fulfilled. Highly recommended!”
Weronika Wiśniewska
Google · Devimu
Languages
Multilingual Communication
Fluent collaboration with clients across Europe, the US, and beyond.
English
Fluent
Polish
Native or Bilingual
Russian
Native or Bilingual
Working together
Let's Work Together
Preferred collaboration: long-term partnerships and ongoing technical development.
I'm open to
- Long-term development partnerships.
- Part-time technical contracts.
- White-label development for digital agencies.
- Ongoing WordPress/WooCommerce development.
- API integration projects.
- Custom software and automation projects.
I work effectively in asynchronous environments and can integrate into existing development workflows. I value clear requirements, independent problem-solving and reliable delivery.
Get in touchContact
Have a Technical Challenge? Let's Talk.
Whether you need help with a complex technical issue, custom development, system integration or ongoing development support, feel free to get in touch.