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Senior PHP Developer

PHP

Senior PHP Developer

PHP

Remote, Kraków +4 Locations

GR8 Tech

Full-time
B2B, Permanent
Senior
Remote

Tech stack

    English

    C1

    Ukrainian

    C1

    PHP

    advanced

    Symfony

    advanced

    Kafka

    advanced

    REST

    advanced

    Redis

    advanced

    Grafana

    advanced

    Docker

    advanced

    Git

    advanced

Job description

GR8 Tech is a leading B2B provider of iGaming solutions that empowers operators to grow, lead, and win.

We deliver high-impact, full-cycle tech solutions designed to scale. From seamless integration and expert consulting to long-term operational support, our platform powers millions of active players and drives real business growth. It’s more than just a product — it’s the iGaming Platform for Champions, built for those who play to lead.

We know the game and how to take it to the next level. With 1000+ talented professionals on board, we don't just build tech — we build success stories for iGaming operators all over the world. 


Our ambition drives us, our people make it real. Join us and be part of building champion-level success!


Tech Stack:

PHP (8.2+, Symfony 6.x), Kafka, MySQL, ClickHouse, Supervisor, React, Golang, Docker, AWS, K8S, Prometheus, Grafana, GitlabCI, Flux, Helm.


What You’ll Be Driving:

  • Developing and maintaining marketing services;

  • Database designing;

  • Implementing tests (Unit, integration);

  • Refactoring and bottleneck optimizing;

  • Participating in setting up CI/CD processes;

  • Implementing monitoring (Grafana).


What Makes You a GR8 Fit:

  • 4+ years of relevant experience in PHP Developer role;

  • Strong knowledge of PHP;

  • Good knowledge of Symfony 6.x;

  • Experience with Kafka or other message brokers;

  • Experience with Relational DB;

  • Experience with REST;

  • Knowledge of common accepted software design principles (design patterns, anti-patterns, refactoring, etc);

  • Experience with distributed, high-loaded and high-availability systems;

  • Experience with version control systems (Git);

  • Good knowledge of Unix-like operating systems;

  • Knowledge of basic algorithms and data structures;

  • Knowledge of Docker;

  • Fluency in the Ukrainian language;

  • Intermediate+ English level. 


Desirable skills and personal features:

  • Experience with Redis;

  • Experience with Grafana;

  • Experience with ClickHouse;

  • Experience with OpenAPI, Swagger;

  • Experience with Supervisor, systemd;

  • Experience with Cloud/K8S

  • Fast learner;

  • Ready for challenges.


Why You’ll Love Working Here:

Benefits Cafeteria

An annual fixed budget that you can use based on your needs and lifestyle. You decide how to allocate it:

  • Sports – gym, yoga, or any activity to keep you active;

  • Medical – insurance and wellness services;

  • Mental health– therapy or coaching support;

  • Home office – ergonomic furniture, gadgets, and tools;

  • Languages – courses to improve or learn new skills.


Work-life 

  • Parental support with paid maternity/paternity leave and monthly childcare allowance;

  • 20+ vacation days, unlimited sick leave, and emergency time off;

  • Remote-first setup with full tech support and coworking compensation;

  • Regular team events – online, offline, and offsite;

  • Learning culture with internal courses, career development programs, and real growth opportunities.


Our Culture & Core Values

GR8 Tech culture is how we win. Behind every bold idea and breakthrough is a foundation of trust, ownership, and a growth mindset. We move fast, stay curious, and always keep it real, with open feedback, room to experiment, and a team that’s got your back.

  • FUELLED BY TRUST: we’re open, honest, and have each other’s backs;

  • OWN YOUR GAME: we take initiative and own what we do;

  • ACCELER8: we move fast, focus smart, and keep it simple;

  • CHALLENGE ACCEPTED: we grow through challenges and stay curious;

  • BULLETPROOF: we’re resilient, ready, and always have a plan.

To keep things efficient, please apply only for roles that closely match your experience.

Tech stack

    English

    C1

    Ukrainian

    C1

    PHP

    advanced

    Symfony

    advanced

    Kafka

    advanced

    REST

    advanced

    Redis

    advanced

    Grafana

    advanced

    Docker

    advanced

    Git

    advanced
Published: 13.10.2025

Meet the company

GR8 Tech

GR8 Tech is a leading B2B provider of iGaming solutions that empowers operators to grow, lead, and win.We deliver high-impact, full-cycle tech solutions designed to scale. From seamless integration and expert consulting to long-term operational support, our platform powers millions of active players and drives real business growth. It’s more than just a product — it’s the iGaming Platform for Champions, built for those who play to lead.We know the game and how to take it to the next level. With 1000+ talented professionals on board, we don't just build tech — we build success stories for iGaming operators all over the world.

Company profile

Senior PHP Developer

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Senior PHP Developer

Remote, Kraków

GR8 Tech

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