Łukasz Jęczmień
Łódź
Summary
A software engineering professional with strong record of delivering impactful software solutions. Known for excellent problem-solving abilities and collaborative approach, effectively leading and contributing to team success. Highly adaptable to evolving project requirements and dedicated to achieving excellence through technical expertise and teamwork.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Lead Software Development Engineer
Exadel
02.2025 - Current
- Data center for SaaS compliance and ethics solutions
- Development of new features using DDD, CQRS, and Event Sourcing patterns
- Coordinating work between multiple development teams
- Analyzing requirements and defining API contracts
- Creating and maintaining project documentation
- Technologies: PHP, Symfony, Api Platform, DDD, CQRS, Event Sourcing, RabbitMQ, MySQL, Docker, Kubernetes
Lead Developer - Aviation Industry
SII Łódź
02.2022 - 01.2025
- Flight planning and management tool
- Developed and maintained flight planning application using Domain-Driven Design
- Analyzed requirements in cooperation with Business Analyst
- Created comprehensive project documentation
- Technologies: PHP, Symfony, DDD, MySQL, PostgreSQL, Docker, AWS
Technical Leader / Solution Architect - Pharmaceutical Industry
SII Łódź
05.2017 - 02.2022
- Business Intelligence reporting tool integrating data from multiple sources
- Led development team as Technical Leader
- Designed and analyzed software architecture for BI integration platform
- Developed application using PHP, Python, and Angular frameworks
- Analyzed requirements in cooperation with Business Analyst
- Technologies: PHP, Python, Angular, Yii2, Oracle, Teradata, Snowflake, Docker, Kubernetes
PHP Developer
TVN
05.2016 - 04.2017
- Back office and administration panel for mobile application
- Developed back office application and integrated with microservices
- Prepared Docker-based deployment infrastructure
- Technologies: PHP, MongoDB, Symfony, Doctrine, Docker
PHP Developer
Bayer
03.2016 - 04.2017
- Business process automation for conferences and seminars
- Implemented process workflow automation
- Integrated with existing customer applications
- Technologies: PHP, MySQL, Symfony, Doctrine
PHP Developer
Multiple Companies
01.2008 - 01.2016
- Eight years of software development experience in various sectors including:
- Sii - Internal tools development (2015-2016)
- Canal+ - Subscriber services development (2015)
- ClickAd - Ad Server development (2014)
- Sportbase - Tourism applications for Polish Tourism Organization (2011-2013)
- Go3.pl - E-Commerce systems (2009-2011)
- Freelancer - E-Commerce development (2008-2013)
Education
Computer Science
Społeczna Akademia Nauk
01.2016
Chemistry
University of Lodz
01.2006
Skills
- Proficient in PHP, Python, and JavaScript
- Proficient in relational and NoSQL databases
- Continuous integration and deployment tools
- Agile project management
- Object-oriented programming
- API development
- Backend development
- Git workflow
- Software architecture design
- Docker containers
- Unit testing
- Project management
Certification
- Basics of Project Management (2024)
- AgilePM Foundation Certification (2023)
- Effective Management: First-Time Manager (2023)
- Kubernetes in Practice (2022)
- AngularJS (2018)
- Customer Requirements Analysis Techniques (2015)
- Project Management (2014)
- Zend Framework - Building Web Applications (2013)
LANGUAGES
English: B2 (Upper Intermediate)
Polish: Native
INTERESTS
Darts, Cycling, Metalworking
Timeline
Lead Software Development Engineer
Exadel
02.2025 - Current
Lead Developer - Aviation Industry
SII Łódź
02.2022 - 01.2025
Technical Leader / Solution Architect - Pharmaceutical Industry
SII Łódź
05.2017 - 02.2022
PHP Developer
TVN
05.2016 - 04.2017
PHP Developer
Bayer
03.2016 - 04.2017
PHP Developer
Multiple Companies
01.2008 - 01.2016
Chemistry
University of Lodz
Computer Science
Społeczna Akademia Nauk