SHAbout Siarhei
Seasoned PHP developer with a strong track record in building and maintaining robust web applications. My expertise encompasses the full software development lifecycle, from requirement gathering and architectural design to implementation, testing, and deployment. I am proficient in various PHP frameworks, including, and have a deep understanding of database systems such as MySQL and PostgreSQL.
With years of experience in the field, I am adept at creating scalable, efficient, and secure solutions tailored to meet specific business needs. My commitment to clean coding practices and attention to detail ensures high-quality deliverables. You can find more about my professional background and accomplishments on my LinkedIn profile:
I am now available for freelance opportunities on Malt and eager to collaborate on your next project. Let's discuss how my skills and experience can contribute to your success.
Belarusian
Native or bilingual
Russian
Native or bilingual
English
Fluent
Polish
Conversational
Can work on-site
Poznan (up to 50km)
Experience
- Hemmersbach GmbH & Co. KGSenior PHP Developer | AutomationJune 2022 - October 2024 (2 years and 4 months)Wrocław, PolandProduct Support June 2022 – October 2024, Wrocław, Poland• Engineered and optimized 4 financial applications, refactored code, and introduced new functionalities.• Automated notifications, boosting workflow efficiency by 20%.• Achieved 70% test coverage for new code and 15% for legacy systems.• Documented database structures and provided technical guidance to 3 team members
- UAB "STONELABSO SISTEMOS"Full-stack PHP DeveloperDecember 2017 - April 2022 (4 years and 4 months)Lithuania• Redesigned the administrator interface, reducing load time by 1000x.• Configured database replication and backup using AWS, enhancing system resilience to peak loads by 3x• Optimized product servers, increasing stability during peak loads by 20%.
- Wantapp.ioFull-stack PHP DeveloperJune 2017 - December 2018 (1 year and 6 months)London, UK• Designed and created 50% of a system for tracking prices and discounts across multiple shopping platforms.• Integrated data retrieval using 5 open APIs and HTML page scraping, supporting 3 machine-readable content standards.• Built a 50% of price and discount tracking tool, integrating multiple shopping platforms.• Used asynchronous data retrieval using open APIs and web scraping which ensured that the UI load time was down to no more than 1.5 seconds..
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Education
- Master's Degree in Electromagnetic Pulse Non-Destructive Testing,Institute of Applied Physics National Academy of Sciences of Belarus2001Master's Degree in Electromagnetic Pulse Non-Destructive Testing,
- Engineer's Degree in Nondestructive Testing Methods,Mogilev Machine Building Institute1997Engineer's Degree in Nondestructive Testing Methods,