Onlano
Frontend DevelopmentOnsite

Senior Frontend Engineer

Halos Body Cams - Company

Belfast, Northern Ireland, ๐Ÿ‡ฌ๐Ÿ‡ง United KingdomFull-time - Senior (4-7 years)0 applicantsCloses Jun 14, 2026

Salary

GBP 62,421 - 62,421 / year

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Job description

Role overview

HALOS, a leading body camera and cloud software scaleup, is seeking a Senior Frontend Engineer to join their team in Belfast. The role involves developing cutting-edge web applications for security and law enforcement clients while collaborating with cross-functional teams to drive innovation in safety technology.

The ideal candidate will contribute to a culture of openness and transparency, working on mission-critical software solutions for high-profile clients. The position emphasizes technical leadership, code quality, and mentorship within a fast-paced, growth-oriented environment.

Responsibilities

  • Design and implement responsive frontend features for security-focused web applications
  • Collaborate with backend engineers to integrate APIs and cloud services
  • Optimize application performance and scalability
  • Mentor junior developers and maintain code quality standards

Requirements

  • 5+ years of professional frontend development experience
  • Expertise in modern JavaScript frameworks (React preferred)
  • Strong understanding of RESTful API integration
  • Experience with cloud-based software architectures

Benefits

  • Competitive salary with performance incentives
  • Flexible working hours and professional development budget

Keywords

JavaScriptReactHTML5CSS3RESTful APIsTypeScriptCloud SoftwareUI/UXWebpackAgile