Senior Front End Developer

GR8_TECH builds B2B iGaming platforms for operators who play to lead.

We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions.

With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos.

Our ambition drives us. Our people make it real.

If you’re a challenger in spirit and a champion in action — join us.

Why this role exists:

The purpose of this role is to design and implement scalable software architectures while leading development projects to ensure timely, high-quality delivery. The role exists to drive continuous improvement in engineering practices, mentor team members, and collaborate with cross-functional teams to align developments with business goals. It also focuses on identifying and resolving complex technical challenges to ensure overall software reliability and performance.

What you’ll drive:

Architecture and development

• Designing and implementing scalable and efficient software architectures.

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

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

Leadership and collaboration

• Providing guidance and mentoring to junior engineers and team members.

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

• Leading and managing software development projects, ensuring timely delivery and quality.

• Collaborating closely with cross-functional teams to align development efforts with business goals.

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

Engineering processes and quality assurance

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

• Researching and implementing new technologies and methodologies to improve software performance and development processes.

• Identifying and resolving complex software issues and technical challenges.

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

• Driving continuous improvement in software development practices and processes.

What makes you a GR8 fit:

Must-have

• Minimum of 5 years of experience in a similar senior engineering role;
• Deep knowledge of JavaScript, TypeScript, React, HTML, CSS, state managers, build tools, package managers, and web testing frameworks;
• Understanding of cloud computing, DevOps practices, CI/CD pipelines, containerization (Docker), and orchestration (Kubernetes);
• Experience with relational and non-relational databases, SQL, and database optimization techniques;
• Understanding of system analysis and design, microservice and monolith architectures, and resilient system patterns;
• Knowledge of networking, security principles, authentication/authorization, and IAM concepts;
• Experience with SDLC methodologies, version control (Git), testing frameworks, and code review processes;
• Strong problem-solving, critical thinking, analytical skills, and decision-making;
• Effective communication with both technical and non-technical audiences;
• Understanding of browser internals, SPA/static web pages, client-server architecture, REST API, SSR, web security, and UI/UX patterns;
• Ability to analyze code, debug complex issues, optimize performance, and develop proofs of concept (POC);
• Upper-Intermediate English level.

Why you’ll love working here: 

Benefits Cafeteria — annual budget you allocate to:

Sports • Medical • Mental health • Home office • Languages.

Work-life & support

• Paid maternity/paternity leave + monthly childcare allowance.
• 20+ vacation days, unlimited sick leave, emergency time off.
• Remote-first + tech support + coworking compensation.
• Team events (online/offline/offsite).
• Learning culture with internal courses + growth programs.

Our culture & core values:

GR8_TECH culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and 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.