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I’m Łukasz, an accomplished Head of Backend Development with extensive PHP expertise, leading teams to build scalable, reliable backend systems for iGaming platforms. I thrive on turning complex requirements into clean architectures, optimizing performance and database design, and delivering high-quality software while mentoring and guiding teams toward excellence.…

ŁUKASZ KRAWCZYK

Back-End Developer, Web Developer, Full Stack Developer, +2

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I’m Łukasz, an accomplished Head of Backend Development with extensive PHP expertise, leading teams to build scalable, reliable backend systems for iGaming platforms. I thrive on turning complex requirements into clean architectures, optimizing performance and database design, and delivering high-quality software while mentoring and guiding teams toward excellence.…

Available to hire

I’m Łukasz, an accomplished Head of Backend Development with extensive PHP expertise, leading teams to build scalable, reliable backend systems for iGaming platforms.

I thrive on turning complex requirements into clean architectures, optimizing performance and database design, and delivering high-quality software while mentoring and guiding teams toward excellence.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Backend Developer at Betsson Group

September 1, 2022 - August 1, 2024

Developed and maintained backend systems for iGaming platforms; optimised application performance and database queries; collaborated with frontend developers and designers to ensure seamless integration; implemented new features and improvements to existing systems.

Senior Backend Developer at Rabbit Entertainment

January 1, 2020 - September 1, 2022

Developed and maintained backend systems for iGaming platforms; optimized application performance and database queries; collaborated with frontend developers and designers to ensure seamless integration; Worked on slot games, implementation and creation of new games.

Head of Backend Development at GameLounge

January 1, 2018 - January 1, 2020

Led development team of 15+ engineers, establishing best practices and agile methodologies; defined technical strategy and architecture for enterprise-level PHP applications; oversaw full SDLC from requirements to deployment; implemented CI/CD pipelines and automated testing frameworks, reducing deployment time by 40%; managed technical debt reduction initiatives while delivering new features; collaborated with stakeholders to align technical solutions with business goals.

Senior PHP Developer at Gaming Innovation Group

January 1, 2017 - January 1, 2018

Architected and developed scalable PHP applications serving millions of users; led technical team of 5-8 developers, conducting code reviews and mentoring; optimized database performance and implemented caching strategies, improving response times by 60%; migrated legacy systems to modern PHP frameworks (Symfony/Laravel); integrated third-party APIs and payment gateways; worked on slot games and sports betting.

Senior PHP Developer at PlatinGaming

January 1, 2016 - January 1, 2017

Created SLOT games and presented results on ICE 2017 in London; created a gaming platform for company’s casinos; implemented various of payment providers.

Senior PHP Developer at Freshmind

January 1, 2013 - January 1, 2016

Developed and maintained e-commerce platforms and web applications using PHP.MySQL; implemented RESTful APIs and integrated frontend frameworks; collaborated with cross-functional teams in agile environments; participated in requirements analysis and technical documentation.