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Urgent! Senior Frontend Engineer (Web) Job Opening In Madrid – Now Hiring Happening

Senior Frontend Engineer (Web)



Job description

Overview

Senior Frontend Engineer (Web) role at Happening.

We are one of the largest sports betting operators in the region, with extensive networks and high-volume activity.

What you’ll be doing:

  • Owning the entire product lifecycle, from proposal to release and maintenance
  • Leveraging modern technologies like TypeScript, React, Go, AWS, Kubernetes, and more
  • Mentoring teammates to ensure timely, high-quality task completion
  • Driving initiatives to enhance the development experience for all engineers
  • Improving build processes and tooling to boost team productivity
  • Using top-tier tools like Notion, Jira Cloud, GitHub, Zoom, Lattice, and Slack

We’re looking for someone who:

  • Has strong TypeScript skills and experience with React and preferably Go
  • Understands multi-tenant architecture
  • Enjoys researching and analyzing existing systems and collaborating with product teams and stakeholders
  • Excels at mentoring and supporting teammates in managing time, priorities, and dependencies
  • Writes thorough and effective tests
  • Has experience with design systems (e.g., Ant Design, Material Design, Bootstrap)
  • Builds and maintains tools to improve developer experience (DX)
  • Pays attention to detail and delivers quality products
  • Knows best practices, design patterns, and software development principles
  • Understands performance optimization techniques
  • Thrives in a collaborative team environment

Bonus points for:

  • Betting/gaming industry experience
  • Developing back-office applications like dashboards and CRUD systems with complex data models
  • Building apps with high-frequency, low-latency data changes
  • Navigating complex domains and business requirements
  • Building strong relationships with users and stakeholders to enhance software quality

Seniority level

  • Mid-Senior level

Employment type

  • Full-time

Job function

  • Engineering and Information Technology

Industries

  • Technology, Information and Internet

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Required Skill Profession

Informática Y Tecnología



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