Master of Science

3D modeling in a browser, which ends with a physical product in your hand. Isn't that awesome? Sertae is an experiment and the future, Canvas, WebGL and 3D printing in one. All written in Javascript so it keeps pushing me forward in polishing my craft.

What I do?

Everything. Everything is my responsibility to lead it to success. I've learned a lot how everything works from top to bottom, from backend to frontend and even further: how all of that influence the end user.

- The vision. Planning for future, features and applications.
- Project management and prioritization. Seeing those plans realized.
- Developement. Frontend and backend with focus on my 3D applications.
- Content creation, **knowing how and most importantly why**
- Social Media Marketing
- Managing Google Analytics and Google AdWords campaings
- Conversion optimization and SEO
- All development in technologies mentioned below

Technologies:

- Frontend: Vanilla JS, Knockout JS, Canvas, WebGL, Stylus, Vue.js
- Backend:

Full-stack Developer & Founder

Leading the development of two flagship products Handsontable (handsontable.com/docs) and HyperFormula (handsontable.com/docs/hyperformula).
- Most of my work is available publicly on GitHub, as those are open source projects
- Leading a team of six Senior Software Developers, one QA and one Technical Writer
- Working closely with Customer Success, helping and understanding customer cases
- Building team culture, teaching and promoting personal growth
- Recruiting new team members
- Providing specification, architecture and design concepts
- Reviewing code, providing tests and helping to solve the hard parts
- Releasing quality, stable and mature products
- Creating great developer experience with awesome documentation

Head of Engineering

As a Team Captain for two teams i was responsible for team growth and people development. Recruiting, on-boarding and internships. One on ones, performance reviews, representing and supporting Software Director in building people side of the business. 

Being Principal Engineer I was involved in architecture, planning new features, driving product quality and performance by knowledge sharing and code reviews. 

Platform team responsible for micro-front-end shell and communication, and an API team developing generator and SDKs for API endpoints. 

Tech stack: 
Mostly Javascript, React, Tanstack Query, Jest, Node.js, custom build systems based on ESbuild. Also Jira, Bitbucket, Confluence.

Principal Software Engineer & Team Captain

Leading front-end development for Openflow - Business Process Management (BPMN) platform.

R&amp;D for new front-end architecture based on Typescript and Vue. Check Projects section for details.

Responsibilities:

- Consulting on technology stack choices and software architecture.
- Owning projects. Keeping code clean and reviewing for performance.
- Training colleagues and Junior Developers on RWD, HTML5, CSS3 and Javascript.
- Advocating for best practices and standards. Keeping user experience a top priority.
- Advocating awareness of cross-browser compatibility issues within the team.
- Constantly working with backend developers designing functionality and solving complex problems.
- Participating in sprint planning, review and retrospective, daily standups.
- Improving apps through continuous maintenance, refactoring and testing.

Apps I've developed:

- Process Manager. Fully configurable application for managing documents and interactive forms.
- Kanban. A new way for managing proc

Software Engineer

Changing the landscape of calendar sharing and time management cooperation.

- Architecture of the whole system and idea
- Design system for website and the app
- Back-end system for queues and calendar processing
- Website design and implementation 
- App design and implementation
- Build system and deployment system
- Content strategy and content marketing

Tech stack: Laravel, PHP, Alpine.js, PostgreSQL, Docker Compose.
Self hosted with DigitalOcean and Docker Swarm for scaling,

Frontend by day, fullstack by night.

devto

github

Know about Wojciech Czerniak's work experience, education, bootcamps, certifications, and much more. Wojciech Czerniak