Senior Front End Developer for Widgets Team

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!

• Designing and implementing scalable, efficient software architectures;
• Writing, testing, and debugging complex code for new and existing applications;
• Providing guidance and mentorship to junior engineers and team members;
• Conducting thorough code reviews to ensure quality, security, and best practices;
• Creating and maintaining comprehensive technical and system documentation;
• Leading and managing software development projects to ensure timely, high-quality delivery;
• Collaborating with cross-functional teams to align development with business goals;
• Researching and implementing new technologies and methodologies to improve performance and processes;
• Identifying and resolving complex software issues and technical challenges;
• Developing and enforcing testing protocols to ensure reliability and performance;
• Driving continuous improvement in development practices and workflows;
• Communicating effectively with stakeholders, including presenting technical concepts and updates;
• Delivering production-ready code in a timely manner aligned with business expectations.

• 5+ years of professional software engineering experience;
• Strong understanding of system architecture (microservices, monoliths, event-driven design, resilience patterns, CAP theorem);
• Proficiency in software design principles, UML modeling, and defining functional/non-functional requirements;
• Strong database expertise (SQL, relational/non-relational models, normalization, ACID, indexing, optimization, security);
• Solid networking and security knowledge (TCP/UDP/IP, SSL/TLS, IAM, SSO/MFA, PKI, firewalls, VPNs, vulnerabilities and mitigation);
• Experience with cloud and DevOps practices (AWS/Azure/GCP, Docker, Kubernetes, CI/CD, automation, scalable and resilient cloud architectures);
• Deep front-end knowledge of web platform internals (browser rendering, performance, security, SPA/SSR, REST, WebSockets);
• Expert-level JavaScript, TypeScript, HTML, CSS, and React (core concepts, optimization, patterns, state management);
• Strong skills with build systems, package managers, testing frameworks, and debugging tools (Webpack, npm/yarn, Jest/RTL, DevTools);
• Excellent problem-solving, analytical thinking, adaptability, communication, and documentation skills.

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.

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.