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Senior Javascript Runtime Engineer

A Crane Team
Department:React Native
Type:REMOTE
Region:EU
Location:Sassari, Sardinia, Italy
Experience:Mid-Senior level
Estimated Salary:€60,000 - €90,000
Skills:
JAVASCRIPTTYPESCRIPTRUNTIME SYSTEM DESIGNRUNTIME OPTIMIZATIONDEBUGGINGMEMORY MANAGEMENTRUNTIME SECURITYSCALABLE ARCHITECTURESYSTEM PERFORMANCE TESTINGDEPLOYMENT STRATEGIES
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Job Description

Posted on: November 10, 2025

Company Description

A Crane Team is an innovative IT consulting collective specializing in designing, securing, and optimizing digital ecosystems. We transform complex systems into scalable, efficient, and secure infrastructures, enabling businesses to thrive in a connected world. Our multidisciplinary team includes experts in application and system architecture, process optimization, security testing, and AI-driven innovation. At A Crane Team, we tackle enterprise challenges, modernize legacy technologies, and implement transformative solutions with precision and clarity.

Role Description

This is a contract-based, remote position for a Senior JavaScript Runtime Engineer. The engineer will be responsible for developing, optimizing, and securing JavaScript runtime systems. Day-to-day tasks include analyzing runtime performance, implementing runtime extensions, contributing to security measures, and collaborating with cross-functional teams to ensure seamless integration of runtime solutions with existing architectures.

Qualifications

  • Advanced proficiency in JavaScript, TypeScript, and runtime system design
  • Hands-on experience with runtime optimization, debugging, and memory management tools
  • Knowledge of runtime security practices and implementing secure runtime environments
  • Experience in scalable architecture design, system performance testing, and deployment strategies
  • Exceptional analytical skills, problem-solving capabilities, and attention to detail
  • Experience collaborating with multidisciplinary teams in a remote environment
  • Relevant certifications or experience with modern runtime frameworks is a plus
  • Strong communication skills with the ability to convey complex concepts clearly
Originally posted on LinkedIn

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A Crane Team

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