Jobs โ€บ Companies โ€บ Weekday AI โ€บ Principal Frontend Architect

About this Principal Frontend Architect role at Weekday AI

Weekday AI ยท Onsite ยท Bengaluru, Karnataka, India

๐—ง๐—ต๐—ถ๐˜€ ๐—ฟ๐—ผ๐—น๐—ฒ ๐—ถ๐˜€ ๐—ณ๐—ผ๐—ฟ ๐—ผ๐—ป๐—ฒ ๐—ผ๐—ณ ๐˜๐—ต๐—ฒ ๐—ช๐—ฒ๐—ฒ๐—ธ๐—ฑ๐—ฎ๐˜†'๐˜€ ๐—ฐ๐—น๐—ถ๐—ฒ๐—ป๐˜๐˜€

๐—ฆ๐—ฎ๐—น๐—ฎ๐—ฟ๐˜† ๐—ฟ๐—ฎ๐—ป๐—ด๐—ฒ: ๐—ฅ๐˜€ ๐Ÿณ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ - ๐—ฅ๐˜€ ๐Ÿญ๐Ÿฎ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ๐Ÿฌ (๐—ถ๐—ฒ ๐—œ๐—ก๐—ฅ ๐Ÿณ๐Ÿฌ-๐Ÿญ๐Ÿฎ๐Ÿฌ ๐—Ÿ๐—ฃ๐—”)

Experience: 9+ yrs

Location: Bengaluru, Karnataka, India

Job Type: Full-time

We are looking for an exceptionally strongย Senior Systems Architectย with deep expertise in high-performance application architecture, cross-platform engineering, real-time data processing, and graphics rendering. The ideal candidate will have experience building latency-sensitive applications where performance, responsiveness, and reliability are critical, preferably within theย gaming industryย or other performance-intensive domains such as financial trading, real-time analytics, or interactive applications.

This role requires a combination of systems-level thinking, advanced programming skills, and a strong understanding of modern web and mobile rendering technologies. You will architect shared, high-performance client-side systems across web, native mobile, and cross-platform frameworks, ensuring consistent functionality and exceptional responsiveness across platforms.

Requirements

Key Responsibilities

  • Architect a unified cross-platform client-side system that shares core business logic, order-book management, and binary data parsers across web, native mobile, Flutter, and React Native.
  • Design high-performance data ingestion pipelines for WebSocket streams using binary protocols such asย Protocol Buffers, FlatBuffers, and Simple Binary Encoding (SBE).
  • Implement zero-copy data processing techniques to minimise memory allocations, data copying, and processing latency.
  • Move intensive parsing and data-processing operations off the main UI thread using Web Workers, native background threads, and Dart Isolates.
  • Design hardware-accelerated charting, graphics, and order-book rendering systems using Canvas, WebGL/WebGPU, Flutter Impeller/Skia, and native graphics APIs such as Metal and Vulkan.
  • Optimise rendering pipelines to achieve consistent, low-latency performance, targetingย 120 FPSย where supported by the platform and hardware.
  • Identify and eliminate performance bottlenecks, including garbage-collection pauses, UI thread blocking, excessive memory allocation, and dropped frames.
  • Apply memory pooling, lock-free data structures, concurrency patterns, and efficient resource management techniques.
  • Establish performance benchmarks, profiling practices, and automated testing to validate responsiveness, stability, and scalability across devices.
  • Lead architecture reviews, define engineering standards, and guide teams in implementing maintainable, high-performance systems.
  • Collaborate with product and engineering stakeholders to translate demanding functional requirements into robust technical solutions.
  • Continuously evaluate emerging technologies and optimisation techniques across web, mobile, graphics, and systems programming.

What Makes You a Great Fit

  • 9+ years of software engineering experience, including substantial experience designing high-performance applications or complex client-side systems.
  • Experience in theย gaming industryย is strongly preferred, particularly in real-time rendering, graphics optimisation, game engines, or performance-critical applications.
  • Strong understanding of cross-platform architecture spanning web, native iOS/Android, and frameworks such as Flutter or React Native.
  • Hands-on experience withย WebAssembly, Web Workers, JavaScript/TypeScript, Dart, or native mobile development.
  • Strong knowledge of streaming architectures, WebSockets, binary protocols, and efficient data-processing pipelines.
  • Experience with zero-copy processing, memory pooling, concurrency, multithreading, and lock-free programming techniques.
  • Practical experience with graphics rendering technologies such asย WebGL, WebGPU, Canvas, Skia, Impeller, Metal, or Vulkan.
  • Proven ability to profile and optimise CPU, memory, rendering, and network performance in latency-sensitive applications.
  • Strong understanding of garbage collection, memory allocation, thread scheduling, and platform-specific performance constraints.
  • Experience building responsive, real-time interfaces that handle high-frequency data updates without compromising usability.
  • Excellent architectural judgement, debugging skills, and the ability to solve complex systems-level engineering problems.
  • Strong communication and technical leadership skills, with the ability to guide engineering teams and drive architectural decisions.
  • A strong focus on performance measurement, engineering precision, reliability, and continuous optimisation.
Ready to apply to Weekday AI?
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About Weekday AI

At Weekday (backed by YC; also Product Hunt #1 product of the day), we are building the next frontier in hiring. We have built the largest database of white collar talent in India and have built outreach tools on top of it to generate highest response rates.

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