Weekday (YC W21)

Software Development Engineer III, Frontend

Weekday (YC W21)

full-time

Posted on:

Location Type: Remote

Location: India

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Salary

💰 ₹4,000,000 - ₹8,000,000 per year

Job Level

About the role

  • Take ownership of building and scaling high-quality, performance-driven web extension experiences used in production at scale
  • Drive complex initiatives end to end—from technical design to reliable delivery
  • Work closely with cross-functional teams to shape the product roadmap and design optimal solutions
  • Ensure that browser-based experiences are robust, secure, and performant across environments
  • Provide technical leadership, mentorship, and drive continuous improvement of engineering practices

Requirements

  • 7+ years of hands-on experience building and shipping production-grade web applications
  • Strong expertise in frontend technologies including JavaScript, TypeScript, DOM rendering and manipulation, and frameworks such as React
  • Solid programming experience in at least one backend language such as Node.js or Python, with strong computer science fundamentals
  • Proven experience working on high-scale, customer-facing production systems
  • Strong analytical thinking and problem-solving skills with a structured approach to complex challenges
  • Deep understanding of design patterns and their practical application in real-world systems
  • A strong focus on writing highly optimized, performant, and maintainable production-quality code
  • Passion for technology and staying current with modern engineering trends and tools
  • Experience building or maintaining cross-browser web extensions is a strong advantage
  • Exposure to AI/ML systems, particularly on-device or client-side models, is a plus
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaScriptTypeScriptDOM renderingReactNode.jsPythondesign patternsweb applicationsweb extensionsAI/ML systems
Soft Skills
analytical thinkingproblem-solvingtechnical leadershipmentorshipcontinuous improvementcross-functional collaborationstructured approach