Senior Front End Developer

Role Description

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.

Qualifications

• 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.

Benefits

• Benefits Cafeteria — annual budget you allocate to:
  • Sports
  • Medical
  • Mental health
  • Home office
  • Languages
• 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.

Company Description

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.