Grzegorz Pawlik
Verified Expert in Engineering
Web Development Developer
Grzegorz is a highly skilled full-stack software engineer with 17 years of experience in leading teams, technical screening, and creating a high-trust culture. They consistently deliver high-quality results on time and within budget, specializing in complex apps with extensive business logic. Grzegorz oversaw the MVP chat feature at Toptal and led Stripe API integrations and employee benefits automation in the OysterHR startup. Previously they worked with eSky and Nexway.
Portfolio
Experience
Availability
Preferred Environment
Code Review, RSpec, Git, Ruby, Linux
The most amazing...
...project I've led was the chat app used by Toptal clients and talent. I'm very proud of the team I led and the approach I took to deliver the solution on time.
Work Experience
Senior/Staff Engineer
Oyster
- Implemented payment system integration (Stripe) ACH/SEPA/BACS.
- Tracked and fixed bugs using the Sentry exception reporting tool.
- Architected and developed employee benefits automation system.
- Managed tools like Sentry, Heroku, and GitHub Actions.
- Worked on detecting and fixing security vulnerabilities.
- Improved CI and CD pipelines and fixed flaky tests.
Team Lead/Engineering Manager
Toptal
- Led a successful implementation and delivery of a dedicated chat solution, actively worked with stakeholders to manage features, and delivered on time.
- Onboarded and integrated new team members into the team.
- Oversaw an established team through a successful domain switch; the team delivered value in the first six months.
Senior Software Engineer
Toptal
- Reduced the time to introduce a new vertical by the factor of 12.
- Improved internal spec performance by the factor of 5 (includes reviewing and coaching other teams on the best practices).
- Introduced a fast performing, hybrid (static files + DB entries) translation solution.
- Mentored new team members joining the team, helping them in their first month.
- Introduced improvements to the dev's internal toolbox.
Team Leader/Scrum Master/Developer
Boonty
- Stabilized the team output, from chaotic (approximately 10% of the features were rejected by the QA) to very stable (99.48 features accepted in the QA stage).
- Introduced QA processes into the team (peer reviews, peer testing, hostile peer testing).
- Led and coached the team on the testing, which increased the code stability and developer's confidence in the codebase.
Developer/Team Lead
NetArch Interactive Agency
- Introduced source code version control, allowing the company to get on the next level.
- Delivered successfully multiple dedicated web systems solutions.
- Designed multiple systems, including architecture and database structure.
Experience
Embedded Chat App
http://portal.remading.com/I led the team responsible for the first MVP version—delivered and deployed within three months. It was initially enabled for selected clients first and then handed over to another team that enabled it for 100%.
Skills
Languages
Ruby, JavaScript, PHP, Assembler, C++, TypeScript
Frameworks
Ruby on Rails (RoR), CakePHP, Capybara
Tools
Git, RSpec, Cucumber, Apache, GitHub, Sentry
Paradigms
Scrum, Testing, Unit Testing, Management
Other
Web Development, Code Review, Integration Testing, Agile Deployment, Algorithms, Static Analysis, Profiling, Memory Profiling, Technical Hiring, Ajax, Full-stack, State Machines, Turing Machines, Computer Graphics, Law, Economics, WebSockets, Performance Testing, DocuSign
Platforms
Linux, Magento, Magento 1, Heroku
Storage
MySQL, PostgreSQL
Libraries/APIs
Slack API, Twilio API, jQuery, React, Stripe API
Industry Expertise
Banking & Finance, Accounting
Education
Master's Degree in Project Management
Wyższa Szkoła Zarządzania i Biznesu - Kraków, Poland
Bachelor's Degree in Computer Science
Uniwersytet Opolski - Opole, Poland
Certifications
Magento Certified Developer
Magento
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