Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there! I’m a backend engineer with 12+ years of experience building and scaling high-load systems across GameDev, Real Estate, and Web3. I specialize in modern PHP (Symfony), microservices architecture, legacy modernization, and complex API integrations. I also have a strong track record in migrations, performance optimization, and delivering reliable backend platforms. I’m certified in secure coding and passionate about AI-assisted development. I’ve led AI workshops, improved engineering productivity, and implemented robust logging, caching, and observability practices. Based in Warsaw, Poland, I collaborate with cross-functional teams and mentor colleagues to ship high-quality software.…Hi there! I’m a backend engineer with 12+ years of experience building and scaling high-load systems across GameDev, Real Estate, and Web3. I specialize in modern PHP (Symfony), microservices architecture, legacy modernization, and complex API integrations. I also have a strong track record in migrations, performance optimization, and delivering reliable backend platforms. I’m certified in secure coding and passionate about AI-assisted development. I’ve led AI workshops, improved engineering productivity, and implemented robust logging, caching, and observability practices. Based in Warsaw, Poland, I collaborate with cross-functional teams and mentor colleagues to ship high-quality software.

Dzmitry Varushilo

Back-End Developer, Web Developer, Full Stack Developer, +3





Hi there! I’m a backend engineer with 12+ years of experience building and scaling high-load systems across GameDev, Real Estate, and Web3. I specialize in modern PHP (Symfony), microservices architecture, legacy modernization, and complex API integrations. I also have a strong track record in migrations, performance optimization, and delivering reliable backend platforms. I’m certified in secure coding and passionate about AI-assisted development. I’ve led AI workshops, improved engineering productivity, and implemented robust logging, caching, and observability practices. Based in Warsaw, Poland, I collaborate with cross-functional teams and mentor colleagues to ship high-quality software.…Hi there! I’m a backend engineer with 12+ years of experience building and scaling high-load systems across GameDev, Real Estate, and Web3. I specialize in modern PHP (Symfony), microservices architecture, legacy modernization, and complex API integrations. I also have a strong track record in migrations, performance optimization, and delivering reliable backend platforms. I’m certified in secure coding and passionate about AI-assisted development. I’ve led AI workshops, improved engineering productivity, and implemented robust logging, caching, and observability practices. Based in Warsaw, Poland, I collaborate with cross-functional teams and mentor colleagues to ship high-quality software.

Available to hire

Hi there! I’m a backend engineer with 12+ years of experience building and scaling high-load systems across GameDev, Real Estate, and Web3. I specialize in modern PHP (Symfony), microservices architecture, legacy modernization, and complex API integrations. I also have a strong track record in migrations, performance optimization, and delivering reliable backend platforms. I’m certified in secure coding and passionate about AI-assisted development.

I’ve led AI workshops, improved engineering productivity, and implemented robust logging, caching, and observability practices. Based in Warsaw, Poland, I collaborate with cross-functional teams and mentor colleagues to ship high-quality software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Polish

Intermediate

Russian

Fluent

Work Experience

Senior Backend Software Developer at Guesty

January 1, 2023 - Present

Designed and maintained backend microservices in PHP, Java, and TypeScript for a large-scale Real Estate platform serving hundreds of thousands of property managers. Led critical components of Listings, Reservations, and Calendar synchronization. Maintained and improved payments/subscriptions systems (Stripe/PayPal). Improved logging, caching, and observability (Grafana/Kibana), reducing incident resolution time by ~40%. Served as AI Champion, leading AI work sessions and improving engineering productivity across teams.

Senior Backend Software Developer at Playtika

January 1, 2017 - January 1, 2023

Designed and developed backend services in PHP and Java for high-load gaming platforms with millions of daily active users. Built new microservices and decomposed legacy monoliths into scalable services. Improved performance and stability; delivered features for events, personalization, progression, and monetization. Collaborated with product and analytics teams; worked with Kafka and RabbitMQ for messaging.

Backend Software Developer at Techniksoft

January 1, 2015 - January 1, 2017

Built backend services in PHP and Java for high-load gaming platforms; decomposed legacy monoliths into microservices; improved performance, reliability, and deployment automation. Implemented event-driven architecture with Kafka/RabbitMQ; supported monitoring and CI/CD.

Backend Software Developer at Artezio

January 1, 2012 - January 1, 2015

Developed backend services in PHP/Java; contributed to large-scale projects; improved performance and stability; collaborated with cross-functional teams to deliver features in a timely manner.

Backend Software Developer at Teqniksoft

January 1, 2015 - January 1, 2017

Backend development work focusing on server-side logic, microservices and integration efforts (as listed in resume).