Fabian Marcol
Olsztyn,28
Summary
I specialize in tackling unconventional and complex challenges, transforming them into practical, optimized solutions. I approach problems with the mindset that there is always a way forward, combining creativity, persistence, and unconventional thinking to achieve results.
Overview
8
8
years of professional experience
Work History
Senior Full-stack Web Developer
Emagine
11.2023 - Current
- Led the migration of a legacy system from PHP 5.6 to PHP 8.2, improving performance, security, and long-term maintainability
- Modernized infrastructure by transitioning from on-premise services to a fully dockerized cloud environment
- Enhanced the logging and monitoring system, significantly reducing debugging and issue-resolution time
- Refactored critical scripts and modules, resulting in substantial improvements in load times and reduced memory consumption
- Integrated external services and APIs, such as Microsoft Graph, to extend system functionality
- Introduced a new development workflow to improve project oversight and management
- Optimized internal processes and pipelines, cutting overall delivery timelines
Co-Founder
LogistX
11.2022 - Current
- Co-founded an IT company delivering warehouse automation and management solutions, owning technical strategy and system architecture
- Designed and implemented scalable warehouse IT solutions aligned with operational and business requirements
- Led complex integrations with multiple hardware and software vendors, ensuring system reliability and long-term maintainability
- Served as the technical authority in client and vendor communications, translating business needs into technical solutions
- Directed project scope, timelines, and technical priorities across multiple parallel initiatives
- Identified and mitigated technical and business risks throughout the delivery lifecycle
- Estimated project costs and budgets, balancing performance, scalability, and cost efficiency
Senior Full-Stack Web Developer
Kaseya
09.2022 - 04.2023
- Developed, maintained, and refactored Laravel-based MVC applications with a focus on scalability and code quality
- Designed and implemented integrations with external vendors and third-party services
- Built, maintained, and extended RESTful APIs to support internal and external consumers
- Worked with cloud-native infrastructure using AWS and containerized environments (Docker, Kubernetes)
- Contributed to a microservices-based architecture, improving system modularity and scalability
- Led and facilitated backlog grooming sessions to ensure well-defined, actionable tasks
- Estimated tasks and projects to support planning, prioritization, and delivery predictability
- Collaborated on UI/UX design decisions to balance technical feasibility and user experience
- Participated in sprint planning and roadmap definition within an Agile environment
Mid Full-Stack Web Developer
Leon Software
02.2021 - 09.2022
- Owned and maintained the overall PHP backend based on a Symfony MVC architecture
- Designed and managed the data layer using Doctrine ORM with MySQL
- Built and maintained frontend components using ReScript, TypeScript, JavaScript, and React
- Integrated external systems and APIs, including secure authentication flows (OAuth2)
- Developed, maintained, and evolved both REST and GraphQL APIs
- Refactored and optimized legacy codebases to improve performance, reliability, and maintainability
- Conducted code reviews to enforce quality standards, consistency, and best practices
Full-Stack Web Developer
IdoSell
03.2019 - 08.2020
- Maintained and evolved the PHP-based backend core of a complex e-commerce platform
- Managed relational databases using MySQL, supporting data integrity and performance
- Developed user interfaces using HTML5, JavaScript, and CSS, leveraging Bootstrap and jQuery
- Integrated the platform with external systems and third-party APIs
- Developed and maintained APIs using both REST and SOAP protocols
- Refactored and optimized legacy code to improve stability, performance, and maintainability
- Participated in code reviews to uphold quality standards and best practices
Product Manager
IdoSell
03.2018 - 03.2019
- Served as the primary point of contact for clients and partners, managing communication and resolving technical and delivery issues
- Maintained and evolved the company development roadmap in alignment with business and technical priorities
- Led and coordinated a cross-functional development team of 8 engineers
- Conducted business analysis to translate requirements into actionable technical solutions
- Planned, created, and managed large-scale development projects and task backlogs, including initiatives exceeding 1,000 development hours
- Designed and evolved system modules across both backend and frontend layers in close collaboration with the development team
- Prioritized tasks to balance delivery timelines, technical debt, and business value
- Oversaw CI/CD pipelines and release processes to ensure reliable deployments
- Performed detailed testing and validation before and after deployments
- Authored technical documentation and end-user guides to support adoption and maintenance
- Contributed technical articles to the company’s engineering blog
Account Manager
IdoSell
01.2018 - 03.2018
- communication with clients / users
- initial analysis of reported bugs
- remote support
- preparing webinars and tutorials
- online support
- import of database / catalogue from vendors
- helping with migration from other systems
Education
Automotive Engineering
Wyższa Szkota Techniczno-Ekonomiczna
Szczecin01-2020
Computer Science
Technikum Informatyczne SCI
Szczecin01-2017
Skills
- PHP
- MySQL
- PL/SQL
- HTML
- CSS
- Javascript
- React
- Typescript
- ReScript
- Python
- Java
- Docker
Languages
Polish
Native or Bilingual
English
Full Professional
I excel in
- Problem solving
- Strategic planning
- Project management
- Agile approach
- Quick learning
- Technical analysis
- Budget planning
- Big-picture mindset
- Prioritizing tasks
- Process optimization
- Understanding of business needs
Software I'm using
- Jira (incl. admin panel)
- Confluence
- BitBucket / GitHub / GitLab
- LibreOffice / MS Office
- draw.io
- Windows / macOS / Linux (Debian, Ubuntu)
Timeline
Senior Full-stack Web Developer
Emagine
11.2023 - Current
Co-Founder
LogistX
11.2022 - Current
Senior Full-Stack Web Developer
Kaseya
09.2022 - 04.2023
Mid Full-Stack Web Developer
Leon Software
02.2021 - 09.2022
Full-Stack Web Developer
IdoSell
03.2019 - 08.2020
Product Manager
IdoSell
03.2018 - 03.2019
Account Manager
IdoSell
01.2018 - 03.2018
Automotive Engineering
Wyższa Szkota Techniczno-Ekonomiczna
Computer Science
Technikum Informatyczne SCI