Onlano
Frontend DevelopmentOnsite

Frontend Developer - Runtime Engine

E X P E R I E N C I O U S - Company

Vadodara, Gujarat, ๐Ÿ‡ฎ๐Ÿ‡ณ IndiaFull-time - Senior (4-7 years)0 applicantsCloses Jun 20, 2026

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Job description

Job details

  • Location: Vadodara, Gujarat
  • Work mode: Onsite
  • Employment type: Full-time (Not an internship)
  • Salary: Salary details are available in the employer description.

Role overview

E X P E R I E N C I O U S is hiring a Senior Frontend Developer in Vadodara, Gujarat for a full-time, onsite position. You will own an ultra-lightweight runtime engine (under 15kb gzipped) that powers experimentation across millions of live browsers. This role sits at the intersection of browser internals, edge computing with Cloudflare Workers, and high-scale data telemetry. The ideal candidate is passionate about execution speed, web performance, zero-trust security, and building developer tools that operate at global scale.

Job details

This is a full-time, onsite role based in Vadodara, Gujarat, India. Salary details are available in the employer description. You will work closely with engineering and product teams to maintain and evolve a mission-critical runtime that serves millions of users daily.

Responsibilities

  • Own and maintain an ultra-lightweight runtime engine under 15kb gzipped
  • Inject and govern experiments across millions of live browsers
  • Optimize execution speed and web performance at global scale
  • Integrate edge computing solutions using Cloudflare Workers
  • Implement zero-trust security patterns in browser environments
  • Build and maintain high-scale data telemetry pipelines

Requirements

  • 4+ years of frontend development experience with deep JavaScript expertise
  • Strong understanding of browser internals and web performance optimization
  • Experience with edge computing platforms like Cloudflare Workers
  • Proven track record building lightweight, high-performance runtime systems
  • Knowledge of zero-trust security principles and implementation
  • Experience with telemetry, analytics, and data collection at scale

Benefits

  • Work on cutting-edge browser technology
  • Global scale impact across millions of users
  • Collaborative engineering culture
  • Professional development opportunities

Keywords

JavaScriptBrowser APIsCloudflare WorkersEdge ComputingWeb PerformanceRuntime EngineTelemetryDeveloper Tools