Profile
High-impact Lead Engineer with 10+ years of expertise in building scalable, data heavy, real-time systems. Proven track record of leading complex projects in distributed environments, focused on big picture and product excellence, and bridging the gap between technical architecture and business goals.
Education & Certificates
2010-2013
Polish-Japanese Institute of Information Technology - Bachelor's degree
2013
Coursera - Functional Programming Principles in Scala
Skills
Backend
Scala (Expert), Typescript (Expert), Golang, Python, PHP
Frontend
React, React Native, Svelte, Angular
Architecture
Microservices, Distributed Systems, Event Sourcing, CQRS
Technologies
Kafka, Elastic, Redis, PostgresSQL, AWS
Big data
Flink, Snowflake, Airflow
Tools
Intellij Idea, Docker, MacOS, Kubernetes, Linux
Languages
Side Projects
Clothy
2013 - 2016
- Pinterest like web application for fashion blogging
- Technologies: Scala, PlayFramework, Elastic, Redis, MySQL, Angularjs
Coffee Freaks
2020 - Present
- Mobile application for coffee lovers
- Technologies: React Native, Scala, PostgresSQL, Redis, Elastic
Work Experience
zooz - PayU Company
Lead Data Engineer
Lead data engineering team and develop data platform.
Key Responsibilities:
- Design and develop data platform analytics
- Manage data platform software development process
- Provide technical direction for data platform development projects
- Redesign and redevelopment of data platform metadata management
- Contribute to shaping data platform architecture
- Lead splitting and moving data platform to cloud environment
Technologies:
zooz - PayU Company
Scala Platform Developer
Maintaining and developing big data platform.
Key Responsibilities:
- Design and develop frontend for data platform
- Create tools for quick deployment and management of Flink process on kubernetes
- Design and develop Flink platform for real time data processing
- Redesign and redevelop data ingestion process in data platform
Technologies:
White Hat Gaming
Senior Scala Developer
Worked on new features and maintenance of existing platform.
Key Responsibilities:
- Design and implement new features
- Maintenance of existing platform
- Create module for sending real time analytics to client
- Develop module for finding and fixing data discrepancies in highly distributed system
Technologies:
Sony Electronics
InfoSec Automation Scala Developer
Developed security automation tools for Sony Electronics.
Key Responsibilities:
- Develop modules for automation frontend
- Develop and design security automation backend and APIs
- Integrate Slack with automation system
- Work on automating Jira and other tools
- Design and develop real time event sourcing system for security events
Technologies:
Nordea
Senior IT Developer
Design and develop data lake metadata catalogue.
Key Responsibilities:
- Create NLP search engine for metadata catalogue
- Create metadata catalogue UI, API and backend
- Help to hire and manage team of developers
- Provide technical support for various data initiatives
- Design real time event sourcing processing system for data lake analytics
Technologies:
Assertis
Full Stack Developer, Team Leader, Scrum master
Helped to build the team, created multiple products and setup company development environment and processes.
Key Responsibilities:
- Created multiple microservices in different languages
- Train and manage junior developers
- Help establishing company development processes and tools
- Design and implement company architecture
- Collaborate with business clients with requirements
- Provide technical support and bug fixes for production systems
Technologies:
On Track Retail
Scala Developer
Developed parts of big train ticketing system
Key Responsibilities:
- Drive design and implementation of microservices
- Integrate with payment gateway
- Develop complex payment process including split payments
- Design and implement platform backoffice backend and frontend
Technologies:
Business Software Solutions
Fullstack Developer
Developed various applications for clients.
Key Responsibilities:
- Create mobile applications for business clients
- Develop modules to e-commerce platform
- Design and implement solution for path finding in 2D space
- Implement web email client for business client
Technologies:
Wirtualna Polska
PHP Developer
Design and implement mobile versions of biggest polish news portals.
Key Responsibilities:
- Built responsive web applications using PHP and MySQL
- Optimise applications for mobile usage
- Collaborated with QA team to ensure software quality
Technologies:
Polcode
PHP Developer
Developed PHP applications for various clients.
Key Responsibilities:
- Built web applications using PHP and MySQL
- Created custom modules and plugins for existing systems and frameworks
- Integrated third-party services and APIs
- Performed code reviews and provided feedback
Technologies:
Get In Touch
Feel free to contact me if you have any questions or opportunities. I'll get back to you as soon as possible!