Currency

Front-End Engineering Manager

JavaScript

Front-End Engineering Manager

JavaScript

Hrubieszowska 2, Warszawa

GR8 Tech

Full-time
B2B
Manager / C-level
Remote

Tech stack

    English

    B2

    JavaScript

    master

    React

    master

    TypeScript

    master

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!

We’re looking for forward-thinking iGaming leaders to lead the creation of a next-generation front-end experience for a globally recognized brand operating in 20+ countries. In this role, you’ll drive the vision, strategy, and execution of a unique, user-centric product interface that sets new standards in design and functionality. Working closely with design, engineering, and business stakeholders, you’ll ensure our product not only reflects cutting-edge UI/UX trends but also delivers a seamless, engaging experience tailored to diverse international markets.


What You’ll Be Driving:

  • Designing and implementing scalable and efficient software architectures;

  • Writing, testing, and debugging complex code for new and existing software applications;

  • Providing guidance and mentorship for engineers and team members;

  • Conducting thorough code reviews to ensure code quality, security, and best practices;

  • Ensuring that the developed solution is constantly meeting the performance metrics;

  • Creating and maintaining comprehensive technical documentation for software development and system design;

  • Leading and managing software development projects, ensuring timely delivery and quality (shared responsibility with Delivery Manager);

  • Identifying and resolving complex software issues and technical challenges;

  • Developing and enforcing testing protocols to ensure software reliability and performance;

  • Communicating effectively with stakeholders, including presenting technical concepts and project updates;

  • Delivering code to production in a timely manner according to business expectations.

What Makes You a GR8 Fit:

  • 5–7 years of experience in engineering leadership roles, with a proven record of building products from the ground up or leading complex projects end-to-end;

  • Experience managing, mentoring, and leading a team of engineers, including hiring, performance evaluation, setting goals, and fostering career growth;

  • Knowledge of networking, security protocols, proxies, CDNs, and browser internals;

  • Understanding of modern web architectures, HTTP/WebSockets, REST APIs, and performance optimization;

  • Proficiency in JavaScript and asynchronous programming, including DOM, Web APIs, and modular code;

  • Strong TypeScript knowledge, including static typing and advanced types;

  • Solid skills in semantic HTML and CSS, preprocessors, responsive design, and animations;

  • Deep understanding of React, component patterns, and advanced state management;

  • Experience with build tools, Webpack, module federation, and package managers;

  • Proficiency in testing tools, writing complex test cases, and setting up test environments;

  • Familiarity with DevOps practices, containerization, CI/CD, and cloud platforms (AWS preferred);

  • Knowledge of SDLC models, Git, clean code principles, debugging, and problem-solving skills.


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.

Published: 25.09.2025
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Front-End Engineering Manager

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Front-End Engineering Manager

Hrubieszowska 2, Warszawa

GR8 Tech

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