Senior JavaScript Engineer
Workplace: Stockholm, Sverige
Expires: October 31, 2025
Senior JavaScript Engineer position at LeoVegas Group focused on building a high-impact platform using modern technologies such as React, Node, GraphQL, and more. Work collaboratively with designers, product managers, and engineers to deliver customer-centric products in an agile environment.
Main requirements:
  • 5+ years experience developing modern web applications
  • Strong proficiency in JavaScript/TypeScript and React
  • Experience working with GraphQL
  • Ability to work effectively in a collaborative and agile team environment
  • Experience writing unit tests
Responsibilities:
  • Implement modern, component-driven architecture using React, Node, GraphQL, JSS, Jest, Relay, and TypeScript
  • Collaborate with designers and product managers to build intuitive, customer-centric products
  • Identify architectural improvements and implement innovative solutions
  • Participate actively in team discussions, task creation, and delivery in a self-organized agile team
  • Conduct peer reviews, share knowledge, and mentor less senior developers
Required hard skills:
  • JavaScript
  • TypeScript
  • React
  • GraphQL
  • Unit Testing
Recommended hard skills:
  • Relay
  • Clean Code practices
  • Design Patterns
Soft skills:
  • Collaboration
  • Agile working
  • Proactivity
  • Mentoring
  • Knowledge Sharing
Coding languages:
  • JavaScript
  • TypeScript
Frameworks:
  • React
  • Node
  • Relay
Natural languages:
  • English (Proficient)
Cultural skills:
  • Innovative mindset
  • Teamwork
  • Fast-paced and agile work style
  • Global collaboration