Onlano
ReactHybrid

Senior / Principal Frontend Engineer

Ocho - Company

Belfast, Northern Ireland, ๐Ÿ‡ฌ๐Ÿ‡ง United KingdomFull-time - Principal (10+ years)0 applicantsCloses Jun 15, 2026

Salary

GBP 85,000 - 85,000 / year

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Job description

Role overview

Senior/Principal frontend engineering role at a fast-growing AI and cloud software scaleup. Focus on React and TypeScript with a modern stack. Develop mission-critical software used by law enforcement and security organizations globally.

Hybrid work model with Belfast base. Competitive salary up to ยฃ85,000. Opportunity to lead technical strategy and mentor junior engineers.

Responsibilities

  • Design and implement scalable frontend solutions using React/TypeScript
  • Lead technical decision-making for mission-critical applications
  • Mentor junior engineers and maintain code quality standards
  • Collaborate with cross-functional teams on product development

Requirements

  • 5+ years commercial frontend development experience
  • Expertise in React ecosystem and modern JavaScript frameworks
  • Strong understanding of cloud-native application architecture
  • Proven leadership in technical projects

Benefits

  • Hybrid work arrangement with Belfast office base
  • Competitive salary up to ยฃ85,000
  • Opportunity to work on cutting-edge AI/cloud solutions

Keywords

ReactTypeScriptFrontendCloudAIJavaScriptSoftware Architecture